Abrégé

An optical lens assembly. The optical lens assembly comprises a lens barrel, and first to sixth lenses. The refractive power of the fifth lens and the refractive power of the sixth lens are positive-negative opposite, and an image-side surface of the fifth lens is a convex surface. The lens barrel further comprises a fourth spacer and a fifth spacer, the fourth spacer being disposed between the fourth lens and the fifth lens, and the fifth spacer being disposed between the fifth lens and the sixth lens. An axial distance EP45 from an image-side surface of the fourth spacer to an object-side surface of the fifth spacer, a center thickness CT5 of the fifth lens, an effective focal length f5 of the fifth lens, an effective focal length f6 of the sixth lens and a radius of curvature R10 of the image-side surface of the fifth lens satisfy: −0.5

Classes IPC  ?

• G02B 7/02 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour lentilles
• G02B 9/62 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

A camera module. The camera module includes a lens barrel, and a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens having a negative refractive power provided in the lens barrel, and a spacer arranged between the sixth lens and the seventh lens on the optical axis of the camera module. An effective focal length f7 of the seventh lens, an inner diameter d6m of an image-side surface of the sixth spacer, an air interval T67 between the sixth lens and the seventh lens along the optical axis, and a maximum thickness CP6 of the sixth spacer satisfy: 1.0<|d6m/f7|+T67/CP6<8.5.

Classes IPC  ?

• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,
• G02B 7/02 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour lentilles
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The disclosure provides an optical imaging lens assembly. The optical imaging lens assembly includes a lens barrel, wherein the lens barrel is internally provided with a first lens; a second lens; a third lens; a fourth lens, wherein the fourth lens has a positive refractive power; a fifth lens, wherein the fifth lens has the largest outer diameter in all of lenses of the optical imaging lens assembly; and a plurality of spacers, wherein the plurality of spacers at least include a fourth spacer, the fourth spacer is located on an image side of the fourth lens and abuts against an image-side surface of the fourth lens, and the fourth spacer is thicker than remaining spacers; wherein f and FOV and CP4 satisfy 0

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 7/02 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour lentilles
• G02B 9/60 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement cinq composants

Abrégé

The present disclosure discloses an optical imaging lens assembly. The optical imaging lens assembly includes: a lens group, including sequentially along an optical axis from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens that have refractive powers, where there is an air spacing between any adjacent two lenses in the first lens to the sixth lens along the optical axis, and an air spacing between the fifth lens and the sixth lens is minimum; at least one spacing element, including: a fourth spacing element disposed on an image side of the fourth lens and partially in contact with an image-side surface of the fourth lens; and a lens barrel, for accommodating the lens group and the at least one spacing element. The optical imaging lens assembly satisfies: The present disclosure discloses an optical imaging lens assembly. The optical imaging lens assembly includes: a lens group, including sequentially along an optical axis from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens that have refractive powers, where there is an air spacing between any adjacent two lenses in the first lens to the sixth lens along the optical axis, and an air spacing between the fifth lens and the sixth lens is minimum; at least one spacing element, including: a fourth spacing element disposed on an image side of the fourth lens and partially in contact with an image-side surface of the fourth lens; and a lens barrel, for accommodating the lens group and the at least one spacing element. The optical imaging lens assembly satisfies: 4.0

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 7/02 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour lentilles
• G02B 9/62 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement six composants

Abrégé

An optical lens assembly, including: a lens barrel; five lenses arranged sequentially along optical axis; a first spacer, in contact with at least part of an image-side surface of a first lens; a second spacer, in contact with at least part of an image-side surface of the second lens; and a focal length f2 of the second lens, the center thickness CT2 of the second lens on the optical axis, an air spacing T23 between the second lens and a third lens on the optical axis, a maximum thickness CP2 of the second spacer, and a distance EP12 between an image-side surface of the first spacer and an object-side surface of the second spacer along the optical axis satisfy: −50.0

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 7/02 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour lentilles
• G02B 9/60 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement cinq composants

Abrégé

The present disclosure discloses an optical imaging system. The optical imaging system comprises a lens barrel, and a lens group and at least one spacing element accommodated in the lens barrel. The lens group comprises a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens that are arranged in sequence along an optical axis from an object side to an image side. Here, the sixth lens has a negative refractive power. The at least one spacing element comprises a fifth spacing element that is located between the fifth lens and the sixth lens and is in contact with an image-side surface of the fifth lens.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/62 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement six composants

Abrégé

An optical imaging lens assembly, including: an imaging lens group, consisting of a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens arranged in sequence from an object side to an image side along an optical axis, where the sixth lens has at least one inflection point on an image-side surface; a plurality of spacing elements, including a first spacing element disposed between the first lens and the second lens, a second spacing element disposed between the second lens and the third lens, a third spacing element disposed between the third lens and the fourth lens and a fifth spacing element disposed between the fifth lens and the sixth lens; and a lens barrel.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 15/14 - Objectifs optiques avec moyens de faire varier le grossissement par déplacement axial d'au moins une lentille ou de groupes de lentilles relativement au plan de l'image afin de faire varier de façon continue la distance focale équivalente de l'objectif

Abrégé

An optical camera lens assembly is provided, including: a lens group, including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens arranged sequentially along an optical axis from an object side to an image side, where, each of the first, the fourth, and the sixth lens has a positive refractive power, and each of the second, the third, the fifth, and the seventh lens has a negative refractive power; and a plurality of spacing elements, including a third spacing element disposed between the third lens and the fourth lens and in contact with an image-side surface of the third lens; the optical camera lens assembly satisfies: 3.0<(R3+R4)/d3s<5.0.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 7/02 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour lentilles

Abrégé

The present disclosure discloses an optical imaging lens assembly. The optical imaging lens assembly includes, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens. The first lens has a positive refractive power and a convex object-side surface. The second lens has a negative refractive power. The third lens has a positive refractive power. Each of the fourth lens and the fifth lens has a positive refractive power or a negative refractive power. The sixth lens has a positive refractive power. The seventh lens has a negative refractive power, a concave object-side surface and a concave image-side surface. A combined focal length f12 of the first and second lenses and a combined focal length f34 of the third and fourth lenses satisfy:|f12/f34|≤0.3.

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,
• H04N 5/225 - Caméras de télévision
• H04N 23/55 - Pièces optiques spécialement adaptées aux capteurs d'images électroniquesLeur montage

Abrégé

The present disclosure discloses an optical imaging lens assembly. The optical imaging lens assembly includes a lens barrel and a lens group assembled in the lens barrel. The lens group along an optical axis from an object side to an image side sequentially includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens having refractive powers. An outer diameter of the seventh lens is greater than an outer diameter of any one of the first lens to the sixth lens; and three lenses of the first lens to the sixth lens have positive refractive powers, and other three lenses of the first lens to the sixth lens have negative refractive powers.

Classes IPC  ?

• G02B 7/02 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour lentilles
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

An optical imaging lens assembly is provided, including: an imaging lens group, a plurality of spacing elements, and a lens barrel configured to accommodate the imaging lens group and the plurality of spacing elements comprising a third spacing element that is placed between the third lens and the fourth lens and is in contact with an image-side surface of the third lens. Here, an inner diameter d3s of an object-side surface of the third spacing element, a radius of curvature R5 of an object-side surface of the third lens and a radius of curvature R6 of the image-side surface of the third lens satisfy: 5.0

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 13/04 - Télé-objectifs photographiques inversés

Abrégé

The present disclosure discloses an optical imaging lens assembly including a lens barrel, and a lens group and at least seven spacing elements accommodated in the lens barrel. The lens group comprises first to eighth lenses arranged in sequence along an optical axis from an object side to an image side. Here, at least one lens in the first lens to the fourth lens is a meniscus lens, and a refractive power of the seventh lens and a refractive power of the eighth lens are positive-negative opposite. A distance from a center of an effective-diameter portion of an object-side surface of the eighth lens to a rear-end surface of the lens barrel along the optical axis is less than a distance from an edge of the effective-diameter portion of the object-side surface of the eighth lens to the rear-end surface of the lens barrel along the optical axis.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 7/02 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour lentilles

Abrégé

A telephoto optical imaging system and zoom camera apparatus. The telephoto optical imaging system includes, sequentially from an object side to an image side along an optical axis, a first lens having positive refractive power, a second lens having negative refractive power, an optical path turning prism, and a triangular prism. Distance T from the object-side surface of the first lens to an imaging plane of the telephoto optical imaging system in a normal direction of the imaging plane and the total effective focal length F1 of the telephoto optical imaging system satisfy T/F1<0.6. The zoom camera apparatus includes the telephoto optical imaging system and a short-focus optical imaging system arranged in parallel with the telephoto optical imaging system. A total effective focal length F1 of the telephoto optical imaging system and a total effective focal length F2 of the short-focus optical imaging system satisfy F1/F2>5.

Classes IPC  ?

• G02B 17/02 - Systèmes catoptriques, p. ex. systèmes redressant et renversant une image
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 13/02 - Télé-objectifs photographiques, c.-à-d. systèmes du type + — dans lesquels la distance du sommet de l'angle avant au plan de l'image est inférieure à la distance focale équivalente
• G02B 15/14 - Objectifs optiques avec moyens de faire varier le grossissement par déplacement axial d'au moins une lentille ou de groupes de lentilles relativement au plan de l'image afin de faire varier de façon continue la distance focale équivalente de l'objectif
• G02B 17/00 - Systèmes avec surfaces réfléchissantes, avec ou sans éléments de réfraction
• G02B 17/08 - Systèmes catadioptriques

Abrégé

The present disclosure discloses an optical imaging lens assembly. The optical imaging lens assembly comprises: an imaging lens group, composed of a first lens, a second lens, a third lens, a fourth lens and a fifth lens that are sequentially arranged along an optical axis from an object side to an image side; a fourth spacing elements; and a lens barrel, forming an accommodation space in which the imaging lens group and the fourth spacing elements are accommodated. The lens barrel comprises an object-end surface close to the object side, an image-end surface close to the image side, an inner wall and an outer wall.

Classes IPC  ?

• G02B 15/14 - Objectifs optiques avec moyens de faire varier le grossissement par déplacement axial d'au moins une lentille ou de groupes de lentilles relativement au plan de l'image afin de faire varier de façon continue la distance focale équivalente de l'objectif
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 7/02 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour lentilles

Abrégé

An optical imaging system, including: a lens barrel structure, including a first lens barrel and a subsequent lens barrel that are arranged sequentially along an optical axis from an object side to an image side; an imaging lens group, including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens that are arranged sequentially along the optical axis from the object side to the image side; and a plurality of spacing elements, including a second spacing element that is at least partially in contact with an image-side surface of the second lens and a third spacing element that is at least partially in contact with an image-side surface of the third lens.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

An optical camera lens assembly comprising seven lenses, where at least one of the first lens to the fourth lens has a negative refractive power; a plurality of spacing elements, comprising a first spacing element disposed on an image-side surface of the first lens and a second spacing element disposed on an image-side surface of the second lens; and a lens barrel, for accommodating the imaging lens group and the plurality of spacing elements; where, radii of curvature of the object-side (R1) and image-side (R2) surfaces of the first lens, and a radius of curvature R3 of an object-side surface of the second lens satisfy: R2/R3>R1/R2>0; and an inner diameter d1s of an object-side surface of the first spacing element, a center thickness CT1 of the first lens, an outer diameter D2m of an image-side surface of the second spacing element, and an air spacing T23 satisfy: 9

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The disclosure provides an optical imaging lens assembly, which sequentially includes from an object side to an image side along an optical axis: a first lens with a positive refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; a second lens with a negative refractive power; a third lens with a refractive power; a fourth lens with a refractive power; a fifth lens with a positive refractive power; a sixth lens with a refractive power; a seventh lens with a positive refractive power; and an eighth lens with a negative refractive power. ImgH is a half of a diagonal length of an effective pixel region on an imaging surface of the optical imaging lens assembly, ImgH, an entrance pupil diameter (EPD) and a total effective focal length f of the optical imaging lens assembly satisfy: 4.3 mm

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The disclosure provides an optical imaging lens assembly, which sequentially includes from an object side to an image side along an optical axis: a first lens group having a positive refractive power and including a first lens; and a second lens group having a positive refractive power and sequentially including from the first lens to the image side along the optical axis: a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens, wherein the second lens has a positive refractive power; an object-side surface of the sixth lens is a convex surface, and an image-side surface of the sixth lens is a concave surface; the seventh lens has a positive refractive power; the eighth lens has a negative refractive power.

Classes IPC  ?

• G02B 9/06 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement deux composants deux composants +
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The disclosure provides an optical imaging lens assembly, sequentially including, from an object side to an image side along an optical axis: an iris diaphragm; a first lens with a positive refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; a second lens with a refractive power; a third lens with a refractive power; a fourth lens with a refractive power; a fifth lens with a refractive power: a sixth lens with refractive power; a seventh lens with a positive refractive power; and an eighth lens with a negative refractive power. EPDmax is a maximum entrance pupil diameter of the optical imaging lens assembly, EPDmin is a minimum entrance pupil diameter of the optical imaging lens assembly, and EPDmax, EPDmin and a total effective focal length f of the optical imaging lens assembly satisfy: f/(EPDmax−EPDmin)>2.2.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

The disclosure provides an optical imaging camera lens assembly, sequentially including, from an object side to an image side along an optical axis: a first lens having a positive refractive power; a second lens, an object-side surface thereof being a convex surface, and an image-side surface thereof being a concave surface; a third lens having a negative refractive power, and an object-side surface thereof being a convex surface; a fourth lens; a fifth lens having a negative refractive power; a sixth lens having a positive refractive power; and a seventh lens having a negative refractive power, wherein ImgH is a half of a diagonal length of an effective pixel region on an imaging surface, and TTL is an on-axis distance from the object-side surface of the first lens to the imaging surface, ImgH and TTL satisfy: 4.8 mm

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The disclosure provides an optical imaging camera lens assembly, sequentially including, from an object side to an image side along an optical axis: a first lens having a refractive power; a second lens having a positive refractive power; a third lens having a refractive power; a fourth lens having a negative refractive power; a fifth lens having a positive refractive power; a sixth lens having a refractive power; and a seventh lens having a refractive power. At least four lenses among the first lens to the fifth lens are lenses made of a plastic material; the sixth lens is a spherical lens made of a glass material; and a total effective focal length f of the optical imaging camera lens assembly and an entrance pupil diameter (EPD) of the optical imaging camera lens assembly satisfy: f/EPD<1.2.

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques

Abrégé

The disclosure provides an optical imaging lens assembly, which sequentially includes from an object side to an image side along an optical axis: a first lens with a refractive power, a second lens with a refractive power, a third lens with a negative refractive power, and a fourth lens with a positive refractive power. A total effective focal length f of the optical imaging lens assembly satisfies 20 mm

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/34 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement quatre composants

Abrégé

An optical imaging lens sequentially includes, from an object side to an image side along an optical axis: a first lens (E1) with refractive power; a second lens (E2) with positive refractive power; a third lens (E3) with positive refractive power; a fourth lens (E4) with refractive power; a fifth lens (E5) with positive refractive power; a sixth lens (E6) with refractive power; and a seventh lens (E7) with refractive power. A total effective focal length f of the optical imaging lens and a curvature radius R4 of an image-side surface of the second lens meet 0.6

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

The disclosure provides an optical imaging lens assembly, wherein the optical imaging lens assembly sequentially includes the followings from an object side to an image side along an optical axis: a first lens having a positive focal power, wherein an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; a second lens having a focal power; a third lens having a focal power; a fourth lens having a focal power; a fifth lens having a focal power; a sixth lens having a positive focal power; and a seventh lens having a negative focal power, wherein an object-side surface thereof is a concave surface, and an image-side surface thereof is a concave surface. DT11, DT12 and ImgH meet:2.4<(DT11+DT12)/lmgHx5<2.7.

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

The present disclosure provides an optical imaging lens assembly. The optical imaging lens assembly includes, sequentially along an optical axis from an object side to an image side: a stop; a first lens, having a refractive power; a second lens, having a refractive power, an object-side surface of the second lens being a concave surface; a third lens, having a positive refractive power; a fourth lens, having a negative refractive power, an object-side surface of the fourth lens being a convex surface; a fifth lens, having a refractive power; and a sixth lens, having a refractive power. A distance TTL from an object-side surface of the first lens to an image plane of the optical imaging lens assembly along the optical axis and half of a diagonal length ImgH of an effective pixel area on the image plane of the optical imaging lens assembly satisfy: TTL/ImgH<1.5.

Classes IPC  ?

• G02B 9/62 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

An optical imaging lens assembly sequentially includes, from an object side to an image side along an optical axis, a first lens (E1) with a positive refractive power, a second lens (E2) with a negative refractive power, a third lens (E3) with a refractive power, a fourth lens (E4) with a refractive power, a fifth lens (E5) with a refractive power, a sixth lens (E6) with a positive refractive power, and a seventh lens (E7) with a negative refractive power. EPD is an entrance pupil diameter of the optical imaging lens assembly, Semi-FOV is a half of a maximum field of view of the optical imaging lens assembly, and EPD and Semi-FOV satisfy: 11 mm

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

The disclosure provides an optical imaging lens assembly, which sequentially includes from an object side to an image side along an optical axis: a first lens (L1) with a refractive power; a second lens (L2) with a refractive power, an image-side surface (S4) of the second lens (L2) is a concave surface; a third lens (L3) with a positive refractive power, an object-side surface (S5) of the third lens (L3) is a convex surface; a fourth lens (L4) with a refractive power; and a fifth lens (L5) with a refractive power. TTL is a distance from an object-side surface (S1) of the first lens (L1) to an imaging surface (S13) of the optical imaging lens assembly on the optical axis, EPD is an Entrance Pupil Diameter of the optical imaging lens assembly, and TTL and EPD satisfy TTL/EPD<2.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/60 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement cinq composants

Abrégé

The disclosure relates to an imaging system, including a first lens, a second lens, a third lens, a diaphragm, a fourth lens, a fifth lens, a sixth lens and a seventh lens arranged in sequence from an object side to an image side along an optical axis, wherein the first lens, the second lens, the third lens and the sixth lens all have refractive powers, the fourth lens has a negative refractive power, the fifth lens has a positive refractive power, and the seventh lens has a negative refractive power. The imaging system of the disclosure has excellent characteristics such as ultra-wide angle, thereby being able to satisfy more photography demands.

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The disclosure provides an optical imaging lens group. The optical imaging lens group includes: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an iris diaphragm, the iris diaphragm is arranged between the first lens and the second lens. Wherein Fno2 is an F-number when an object distance of the optical imaging lens group is 1000 mm, Fno1 is an F-number when the object distance of the optical imaging lens group is 7000 mm, and Fno2 and Fno1 satisfy: 1.3

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

The disclosure provides an optical imaging lens assembly, which sequentially includes from an object side to an image side along an optical axis: a first lens with a positive refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; a second lens with a negative refractive power; a third lens with a refractive power; a fourth lens with a positive refractive power; and a fifth lens with a negative refractive power; VP is an on-axis distance from an intersection point of a straight line where a marginal ray of the optical imaging lens assembly is located and the optical axis to the object-side surface of the first lens, and VP satisfies 0 mm

Classes IPC  ?

• G02B 9/60 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement cinq composants

Abrégé

The present disclosure discloses an optical imaging lens assembly including, sequentially along an optical axis from an object side to an image side: a stop; a first lens having positive refractive power; a second lens having refractive power; a third lens having negative refractive power; a fourth lens having refractive power; a fifth lens having negative refractive power; and a sixth lens having refractive power and a convex image-side surface. The first to sixth lenses include two glass aspheric lenses. A distance TTL along the optical axis from an object-side surface of the first lens to an image plane of the optical imaging lens assembly and an effective focal length f of the optical imaging lens assembly satisfy: TTL/f<1.0.

Classes IPC  ?

• G02B 9/62 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 1/00 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques
• G02B 3/04 - Lentilles simples ou composées à surfaces non sphériques à surfaces continues engendrées par une rotation autour d'un axe, mais s'écartant d'une véritable sphère

Abrégé

The disclosure provides an optical imaging lens assembly, which sequentially includes from an object side to an image side along an optical axis: a variable diaphragm; a first lens; a second lens; a third lens; a fourth lens; a fifth lens, an object-side surface thereof is a convex surface; a sixth lens; and a seventh lens. a center thickness CT1 of the first lens on the optical axis and an air space T67 between the sixth lens and the seventh lens on the optical axis satisfy CT1/T67<1.0. T1 is a distance from the variable diaphragm corresponding to a maximum entrance pupil of the optical imaging lens assembly to an image-side surface of the first lens on the optical axis, FNO1 is an F-number corresponding to the maximum entrance pupil of the optical imaging lens assembly, and T1 and FNO1

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

An optical imaging lens assembly includes, sequentially along an optical axis from an object side to an image side: a first lens, having a negative refractive power, an image-side surface of the first lens being a concave surface; a second lens, having a positive refractive power, an object-side surface of the second lens being a convex surface; and a third lens, having a refractive power, an object-side surface of the third lens being a convex surface. A Half of a diagonal length ImgH of an effective pixel area on an image plane of the optical imaging lens assembly, an effective focal length f of the optical imaging lens assembly and an entrance pupil diameter EPD of the optical imaging lens assembly satisfy: 3 mm

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/12 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement trois composants

Abrégé

The disclosure provides an optical imaging system, which sequentially includes from an object side to an image side along an optical axis: a diaphragm; a first lens with a refractive power; a second lens with a negative refractive power; a third lens with a refractive power; a fourth lens with a negative refractive power; a fifth lens with a refractive power; a sixth lens with a positive refractive power, an image-side surface thereof is a convex surface; and a seventh lens with a refractive power, wherein an effective focal length f of the optical imaging system and an entrance pupil diameter (EPD) of the optical imaging system satisfy: f/EPD<1.4; the effective focal length f of the optical imaging system and a curvature radius R4 of an image-side surface of the second lens satisfy: 2.5

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 3/04 - Lentilles simples ou composées à surfaces non sphériques à surfaces continues engendrées par une rotation autour d'un axe, mais s'écartant d'une véritable sphère

Abrégé

The disclosure discloses an optical imaging system, which sequentially includes from an object side to an image side along an optical axis: a diaphragm; a first lens with a positive refractive power; a second lens with a refractive power; a third lens with a refractive power; a fourth lens with a refractive power; a fifth lens with a refractive power; a sixth lens with a refractive power, an object-side surface thereof is a convex surface; and a seventh lens with a positive refractive power, wherein an effective focal length f of the optical imaging system and an entrance pupil diameter (EPD) of the optical imaging system satisfy: f/EPD<1.3; and TTL is an on-axis distance from an object-side surface of the first lens to an imaging surface, Semi-FOV is a half of a maximum field of view of the optical imaging system, and TTL and Semi-FOV satisfy: 3.0 mm

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The present disclosure provides an optical imaging lens assembly, comprising, sequentially along an optical axis from an object side to an image side: a first lens, having a negative refractive power, an object-side surface of the first lens being a concave surface; a second lens, having a positive refractive power, an image-side surface of the second lens being a convex surface; and a third lens, having a refractive power, an image-side surface of the third lens being a concave surface. An effective focal length f1 of the first lens and an effective focal length f of the optical imaging lens assembly satisfy: −4

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/12 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement trois composants

Abrégé

The disclosure provides an optical imaging lens assembly, sequentially including from an object side to an image side along an optical axis: a first lens with a refractive power; a second lens with a refractive power; a third lens with a positive refractive power; and a fourth lens with a negative refractive power, wherein an object-side surface thereof is a convex surface. A total effective focal length f of the optical imaging lens assembly meets: 20 mm

Classes IPC  ?

• G02B 9/58 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement quatre composants disposés — + + —
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/34 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement quatre composants

Abrégé

The disclosure provides an optical imaging lens assembly, sequentially including from an object side to an image side along an optical axis: a first lens having a refractive power; a second lens having a negative refractive power; a third lens having a refractive power; a fourth lens having a negative refractive power; a fifth lens having a negative refractive power; a sixth lens having a refractive power, an object-side surface thereof being a concave surface, and an image-side surface thereof being a convex surface; and a seventh lens having a refractive power; wherein TTL, a distance from an object-side surface of the first lens to an imaging surface of the optical imaging lens assembly along the optical axis and f, a total effective focal length of the optical imaging lens assembly satisfy TTL/f<1.

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The present disclosure discloses an optical imaging system, along an optical axis from an object side to an image side, sequentially includes: a first lens having negative refractive power; a second lens having positive refractive power, and an object-side surface of the second lens being a convex surface; a third lens having refractive power; and a fourth lens having refractive power, and an object-side surface of the fourth lens being a concave surface. A total effective focal length f of the optical imaging system and half of a maximum field-of-view Semi-FOV of the optical imaging system satisfy: f×tan(Semi-FOV)≥4.0 mm; and the total effective focal length f of the optical imaging system and an entrance pupil diameter EPD of the optical imaging system satisfy: f/EPD<2.35.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/34 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement quatre composants

Abrégé

The present disclosure provides an optical imaging system and a camera device equipped with the optical imaging system. The optical imaging system includes sequentially, from an object side to an image side along an optical axis, a first lens having a positive refractive power, wherein an image-side surface of the first lens gradually changes from a paraxial concave surface to an edge convex surface as the image-side surface moves away from the optical axis; a second lens having a positive refractive power, wherein an object-side surface of the second lens is a convex surface, and an image-side surface of the second lens is a convex surface; a third lens having a negative refractive power; a fourth lens having a positive refractive power or a negative refractive power; and a fifth lens having a positive refractive power or a negative refractive power, wherein an object-side surface of the fifth lens is a convex surface at a paraxial position, and an image-side surface of the fifth lens is a concave surface at a paraxial position. A combined refractive power of the fourth lens and the fifth lens is a negative refractive power.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/60 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement cinq composants

Abrégé

The present disclosure discloses an optical imaging lens assembly including, sequentially from an object side to an image side along an optical axis, a stop; a first lens having refractive power and a convex image-side surface; a second lens having refractive power; a third lens having positive refractive power and a concave image-side surface; a fourth lens having refractive power and a convex image-side surface; and a fifth lens having refractive power. An effective focal length f2 of the second lens and an effective focal length f3 of the third lens satisfy: 1.0<|f3/f2|<5.0. A center thickness CT4 of the fourth lens along the optical axis and an edge thickness ET4 of the fourth lens satisfy: 2.0

Classes IPC  ?

• G02B 9/60 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement cinq composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The present disclosure discloses an optical imaging lens assembly, comprising, sequentially along an optical axis from an object side to an image side: a first lens, having a positive refractive power; a second lens, having a negative refractive power; and a third lens, having a positive refractive power. A magnification M of the optical imaging lens assembly satisfies: 0.5

Classes IPC  ?

• G02B 9/14 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement trois composants disposés + — +
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The disclosure provides an optical imaging system, sequentially including from an object side to an image side along an optical axis: a first lens with a positive refractive power; a second lens with a refractive power; a third lens with a refractive power; a diaphragm; a fourth lens with a negative refractive power; a fifth lens with a positive refractive power, an image-side surface thereof is a concave surface; a sixth lens with a refractive power, an image-side surface thereof is a convex surface; and a seventh lens with a refractive power. At least one mirror surface from an object-side surface of the first lens to an image-side surface of the seventh lens is an aspheric mirror surface. A maximum field of view FOV of the optical imaging system and a distance SD from the diaphragm to the image-side surface of the seventh lens on the optical axis satisfy: 2.5 mm−1

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

The present disclosure discloses an optical imaging system. The optical imaging system comprises, sequentially along an optical axis from an object side to an image side, a stop; a first lens, having a positive refractive power; a second lens, having a refractive power; a third lens, having a refractive power; a fourth lens, having a negative refractive power, an object-side surface of the fourth lens is a convex surface; a fifth lens, having a negative refractive power; a sixth lens, having a refractive power; and a seventh lens, having a refractive power. Here, one of the first to seventh lenses is an aspheric lens made of glass, and a radius of curvature R2 of an image-side surface of the first lens and a radius of curvature R1 of an object-side surface of the first lens satisfy: The present disclosure discloses an optical imaging system. The optical imaging system comprises, sequentially along an optical axis from an object side to an image side, a stop; a first lens, having a positive refractive power; a second lens, having a refractive power; a third lens, having a refractive power; a fourth lens, having a negative refractive power, an object-side surface of the fourth lens is a convex surface; a fifth lens, having a negative refractive power; a sixth lens, having a refractive power; and a seventh lens, having a refractive power. Here, one of the first to seventh lenses is an aspheric lens made of glass, and a radius of curvature R2 of an image-side surface of the first lens and a radius of curvature R1 of an object-side surface of the first lens satisfy: 2.5≤(R2+R1)/R2−R1)<3.0.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

A camera lens group sequentially includes, from an object side to an image side along an optical axis: a first lens (E1) with a refractive power, wherein an object-side surface (S1) thereof is a concave surface, while an image-side surface (S2) is a convex surface; a second lens (E2) with a refractive power, wherein an object-side surface (S3) is a convex surface, while an image-side surface (S4) is a concave surface; a third lens (E3) with a positive refractive power; a fourth lens (E4) with a refractive power; a fifth lens (E5) with a positive refractive power, wherein an object-side surface (S9) thereof is a concave surface, while an image-side surface (S10) is a convex surface; and a sixth lens (E6) with a negative refractive power, wherein an object-side surface (S11) thereof is a convex surface, while an image-side surface (S12) is a concave surface. A half ImgH of a diagonal length of an effective pixel region on an imaging surface (S15) of the camera lens group meets ImgH>4.60 mm.

Classes IPC  ?

• G02B 3/00 - Lentilles simples ou composées
• G02B 9/62 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement six composants

Abrégé

The disclosure provides an optical imaging lens assembly, which sequentially includes from an object side to an image side along an optical axis: a first lens; a second lens with a negative refractive power; a third lens, an image-side surface thereof is a convex surface; a fourth lens with a negative refractive power, an object-side surface thereof is a concave surface, and an image-side surface thereof is a concave surface; a fifth lens; and a sixth lens; wherein TTL is an on-axis distance from an object-side surface of the first lens to an imaging surface, ImgH is a half of a diagonal length of an effective pixel region on the imaging surface, and TTL and ImgH satisfy: TTL/ImgH≤1.35; an effective focal length f3 of the third lens and an effective focal length f of an optical imaging lens assembly satisfy: 2.5≤f3/f≤4.0.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/62 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement six composants

Abrégé

The disclosure provides an optical imaging system, which sequentially includes, from an object side to an image side along an optical axis: a diaphragm; a first lens with a refractive power, an image-side surface thereof being a convex surface; a second lens with a refractive power; a third lens with a negative refractive power; a fourth lens with a refractive power, an image-side surface thereof being a convex surface; a fifth lens with a refractive power, an object-side surface thereof being a concave surface; a sixth lens with a refractive power; and a seventh lens with a refractive power. EPD is an entrance pupil diameter of the optical imaging system, and a total effective focal length f of the optical imaging system and EPD satisfy f/EPD≤1.5.

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

Embodiments of the present disclosure disclose a camera lens group, comprising, sequentially along an optical axis from an object side to an image side: a stop; a first lens having a positive refractive power; a second lens having a refractive power; a third lens having a negative refractive power; a fourth lens having a positive refractive power; a fifth lens having a positive refractive power; and a sixth lens having a negative refractive power. A distance TTL on the optical axis from the object-side surface of the first lens to an image plane of the camera lens group and half of a diagonal length ImgH of an effective pixel area on the image plane of the camera lens group satisfy: TTL/ImgH≤1.25. At least one of the surfaces from the object-side surface of the first lens to the image-side surface of the sixth lens is an aspheric surface.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/62 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement six composants

Abrégé

An optical imaging lens assembly is provided, which includes, a first lens having a negative refractive power; a second lens having a positive refractive power; a third lens; a fourth lens having a positive refractive power; a fifth lens having a negative refractive power; a sixth lens having a positive refractive power; and a seventh lens with a convex object-side surface. An axial distance TTL from an object-side surface of the first lens to an imaging plane of the optical imaging lens assembly and a half of a maximal field-of-view Semi-FOV of the optical imaging lens assembly satisfy: TTL/Tan(Semi-FOV)<1.0 mm; and a total effective focal length f of the optical imaging lens assembly, a radius of curvature R11 of an object-side surface of the sixth lens and a radius of curvature R12 of an image-side surface of the sixth lens satisfy: −5.0

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

An optical imaging lens assembly is provided, which includes, sequentially from an object side to an image side along an optical axis, a first lens having a refractive power with a convex object-side surface; a second lens having a refractive power with a convex object-side surface; a third lens having a positive refractive power; a fourth lens having a negative refractive power with a concave object-side surface; a fifth lens having a refractive power; and a sixth lens having a refractive power. A half of a maximal field-of-view Semi-FOV of the optical imaging lens assembly satisfies: Semi-FOV≥70°. A half of a diagonal length ImgH of an effective pixel area on the imaging plane of the optical imaging lens assembly satisfies: ImgH≥7.8 mm.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/62 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement six composants

Abrégé

The disclosure provides an optical imaging lens assembly and a fingerprint identification device with the optical imaging lens assembly. The optical imaging lens assembly sequentially includes from an object side to an image side along an optical axis: a first lens with a negative refractive power, an object-side surface thereof is a concave surface, and an image-side surface thereof is a concave surface; a second lens with a positive refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a convex surface; and a third lens with a positive refractive power, an object-side surface thereof is a convex surface. A total effective focal length f of the optical imaging lens assembly and an Entrance Pupil Diameter (EPD) of the optical imaging lens assembly satisfy f/EPD<1.5. FOV is a maximum field of view of the optical imaging lens assembly, and FOV satisfies 140°

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G06K 9/00 - Méthodes ou dispositions pour la lecture ou la reconnaissance de caractères imprimés ou écrits ou pour la reconnaissance de formes, p.ex. d'empreintes digitales
• G02B 9/12 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement trois composants

Abrégé

The disclosure provides an optical imaging lens assembly and a fingerprint identification device with the optical imaging lens assembly. The optical imaging lens assembly sequentially comprises, from an object side to an image side along an optical axis: a first lens with a negative refractive power, an object-side surface thereof being a concave surface; a second lens with a positive refractive power, an object-side surface thereof being a convex surface; and a third lens with a positive refractive power, an object-side surface thereof being a convex surface while an image-side surface being a convex surface. EPD is an entrance pupil diameter of the optical imaging lens assembly, and a total effective focal length f of the optical imaging lens assembly and EPD meet f/EPD<1.65. FOV is a maximum field of view of the optical imaging lens assembly, and FOV meets 125°

Classes IPC  ?

• G02B 9/12 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement trois composants
• G02B 3/04 - Lentilles simples ou composées à surfaces non sphériques à surfaces continues engendrées par une rotation autour d'un axe, mais s'écartant d'une véritable sphère
• G06F 21/32 - Authentification de l’utilisateur par données biométriques, p. ex. empreintes digitales, balayages de l’iris ou empreintes vocales
• G02B 5/08 - Miroirs

Abrégé

The disclosure provides an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis: a first lens with a negative refractive power, a second lens with a refractive power, a third lens with a refractive power, a fourth lens with a positive refractive power, a fifth lens with a refractive power, a sixth lens with a refractive power, a seventh lens with a positive refractive power, an eighth lens with a negative refractive power, and a ninth lens with a negative refractive power. ImgH is a half of a diagonal length of an effective pixel region on an imaging surface of the optical imaging lens assembly, ImgH and a total effective focal length f of the optical imaging lens assembly meet 1.2

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The present disclosure discloses an optical imaging system, comprising, sequentially along an optical axis from an object side to an image side, a prism, a diaphragm, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens, where each of the first lens to the seventh lens has a refractive powers. The prism reflects light incident to the prism along a first direction, to cause the light to emerge from the prism along a second direction. The diaphragm to the seventh lens are sequentially disposed from the prism to the image side along the second direction. The second lens has a positive refractive power, and an image-side surface of the second lens is a concave surface. The third lens has a negative refractive power. The fourth lens has a negative refractive power, and an image-side surface of the fourth lens is a concave surface. The fifth lens has a positive refractive power. At least one of surfaces from an object-side surface of the first lens to an image-side surface of the seventh lens is an aspheric surface.

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 5/04 - Prismes
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The disclosure provides a camera lens assembly, sequentially including from an object side to an image side along an optical axis: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens, a ninth lens and a tenth lens, wherein the seventh lens has a positive refractive power; the eighth lens has a positive refractive power; an object-side surface of the ninth lens is concave surface, and an image-side surface of the ninth lens is convex surface; and ImgH is a half of a diagonal length of an effective pixel region on an imaging surface of the camera lens assembly, ImgH satisfies: ImgH>6 mm.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

The present disclosure discloses an optical imaging lens group. The optical imaging lens group comprises, sequentially along an optical axis from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens, wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens and the eighth lens have refractive powers. At least one lens in the first lens to the eighth lens has a non-rotationally symmetric aspheric surface; a total effective focal length fy of the optical imaging lens group in a Y-axis direction and a total effective focal length fx of the optical imaging lens group in an X-axis direction satisfy: fy/fx<0.8; and an f-number Fnoy of the optical imaging lens group in the Y-axis direction satisfies: Fnoy<2.9.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

The present disclosure provides an optical imaging lens assembly, along an optical axis from an object side to an image side, sequentially includes: a first lens having positive refractive power; an autofocus component; a second lens having a refractive power; a third lens having a refractive power; a fourth lens having a refractive power; and at least one subsequent lens having a refractive power. At least one surface from an object-side surface of the first lens to an image-side surface of the at least one subsequent lens is an aspheric surface; the first lens and the autofocus component are cemented together; and a radius of curvature of an image-side surface of the autofocus component is variable.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/60 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement cinq composants
• G02F 1/29 - Dispositifs ou dispositions pour la commande de l'intensité, de la couleur, de la phase, de la polarisation ou de la direction de la lumière arrivant d'une source lumineuse indépendante, p. ex. commutation, ouverture de porte ou modulationOptique non linéaire pour la commande de la position ou de la direction des rayons lumineux, c.-à-d. déflexion

Abrégé

The disclosure provides an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis: a first lens with a negative refractive power; a second lens with a refractive power, an image-side surface thereof being a convex surface; a third lens with a refractive power, an object-side surface thereof being a convex surface; and a fourth lens with a negative refractive power, an object-side surface thereof being a convex surface while an image-side surface being a concave surface. ImgH is a half of a diagonal length of an effective pixel region on an imaging surface of the optical imaging lens assembly, and a spacing distance T12 of the first lens and the second lens on the optical axis, a spacing distance T23 of the second lens and the third lens on the optical axis and ImgH satisfy: 0.4<(T12+T23)/ImgH<0.6.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/34 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement quatre composants

Abrégé

The present disclosure discloses an optical imaging lens group, along an optical axis from an object side to an image side, sequentially includes: an autofocus assembly, a first lens, a second lens, a third lens, a fourth lens, and at least one subsequent lens, where, a radius of curvature of an image-side surface of the autofocus assembly is variable.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• H04N 5/225 - Caméras de télévision
• H04N 5/232 - Dispositifs pour la commande des caméras de télévision, p.ex. commande à distance

Abrégé

The present disclosure discloses a zoom lens assembly. The zoom lens assembly comprises, sequentially along an optical axis from an object side to an image side, a first lens group comprising a first lens and a second lens; a second lens group having a positive refractive power and comprising a third lens, a fourth lens and a fifth lens; a third lens group having a negative refractive power and comprising a sixth lens; and a fourth lens group having a positive refractive power and comprising a seventh lens and an eighth lens. At least one of the first lens to the eighth lens is an aspheric lens. By changing positions of at least two lens groups in the second lens group, the third lens group and the fourth lens group on the optical axis, the zoom lens assembly switches between a wide-angle state and a telephoto state, and a focal length of the zoom lens assembly changes linearly when the zoom lens assembly switches from the wide-angle state to the telephoto state.

Classes IPC  ?

• G02B 15/14 - Objectifs optiques avec moyens de faire varier le grossissement par déplacement axial d'au moins une lentille ou de groupes de lentilles relativement au plan de l'image afin de faire varier de façon continue la distance focale équivalente de l'objectif
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 13/02 - Télé-objectifs photographiques, c.-à-d. systèmes du type + — dans lesquels la distance du sommet de l'angle avant au plan de l'image est inférieure à la distance focale équivalente
• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,

Abrégé

An optical imaging lens assembly is provided, along an optical axis from an object side to an image side, sequentially includes: a first lens having negative refractive power; a second lens having positive refractive power; a third lens; a fourth lens having positive refractive power; a fifth lens having negative refractive power; a sixth lens having positive refractive power; and a seventh lens. A maximum field-of-view FOV of the optical imaging lens assembly satisfies: tan(FOV/3)≥0.9; and a total effective focal length f of the optical imaging lens assembly, a radius of curvature R9 of an object-side surface of the fifth lens, and a radius of curvature R10 of an image-side surface of the fifth lens satisfy: −3.0

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

An optical imaging lens group, along an optical axis from an object side to an image side, sequentially includes: an autofocus component, a first lens, a second lens, a third lens, a fourth lens, and at least one subsequent lens. A radius of curvature of an image-side surface of the autofocus component is variable; and there is an interval between each two adjacent lenses among the first lens to the at least one subsequent lens.

Classes IPC  ?

• G03B 13/36 - Systèmes de mise au point automatique
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 26/00 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables

Abrégé

The present disclosure provides a camera lens assembly, which includes, sequentially from an object side to an image side along an optical axis, a first lens having a refractive power with a convex object-side surface; a second lens having a refractive power with a convex object-side surface; a third lens having a positive refractive power; a fourth lens having a negative refractive power and a concave object-side surface; a fifth lens having a refractive power; and a sixth lens having a refractive power. A half of a maximal field-of-view Semi-FOV of the camera lens assembly satisfies: Semi-FOV≥70°. A half of a diagonal length ImgH of an effective pixel area on the imaging plane of the camera lens assembly satisfies: ImgH≥7.8 mm.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,

Abrégé

An optical imaging lens assembly is provided, along an optical axis from an object side to an image side, sequentially includes: a first lens having refractive power; an autofocus assembly; a second lens having refractive power, and an image-side surface of the second lens being a concave surface; a third lens having refractive power, and an image-side surface of the third lens being a convex surface; a fourth lens having refractive power, an object-side surface of the fourth lens being a concave surface, and an image-side surface of the fourth lens being a convex surface; and at least one subsequent lens having refractive power. A radius of curvature of an object-side surface of the autofocus assembly being variable.

Classes IPC  ?

• G02B 7/09 - Montures, moyens de réglage ou raccords étanches à la lumière pour éléments optiques pour lentilles avec mécanisme de mise au point ou pour faire varier le grossissement adaptés pour la mise au point automatique ou pour faire varier le grossissement de façon automatique
• G02B 3/00 - Lentilles simples ou composées
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 26/00 - Dispositifs ou dispositions optiques pour la commande de la lumière utilisant des éléments optiques mobiles ou déformables

Abrégé

Embodiments of the present disclosure provide an optical imaging lens assembly that comprising, sequentially from an object side to an image side of the optical imaging lens assembly along an optical axis: a first lens having a negative refractive power, an object side surface of the first lens is convex surface and an image side surface of the first lens is a concave surface; a stop; a second lens having a positive refractive power, an object side surface of the second lens is a concave surface and an image side surface of the second lens is a convex surface; a third lens having a refractive power; a fourth lens having a refractive power, an object side surface of the fourth lens is a concave surface and an image side surface of the fourth lens is a convex surface. A relative illuminance RI corresponding to a maximal field-of-view of the optical imaging lens assembly satisfies: RI≥50%; and at least one of the first lens to the fifth lens is a lens made of plastic material.

Classes IPC  ?

• G02B 9/60 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement cinq composants
• G02B 1/04 - Éléments optiques caractérisés par la substance dont ils sont faitsRevêtements optiques pour éléments optiques faits de substances organiques, p. ex. plastiques
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 3/04 - Lentilles simples ou composées à surfaces non sphériques à surfaces continues engendrées par une rotation autour d'un axe, mais s'écartant d'une véritable sphère

Abrégé

An optical test system is provided, comprising, sequentially along an optical axis, a distance extension module and an optical lens assembly. The distance extension module comprises one or more lenses. The optical lens assembly comprises, sequentially along the optical axis from an object side to an image side: a diaphragm; a first lens, having a positive refractive power, an object-side surface of the first lens being a convex surface, and an image-side surface of the first lens being a convex surface; a second lens, having a negative refractive power, an object-side surface of the second lens being a concave surface, and an image-side surface of the second lens being a concave surface; a third lens, having a refractive power, an object-side surface of the third lens being a concave surface, and an image-side surface of the third lens being a convex surface; and a fourth lens, having a refractive power.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,
• G02B 9/34 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement quatre composants

Abrégé

Embodiments of the present disclosure provide an optical imaging lens assembly, which comprises, sequentially along an optical axis from an object side to an image side: a first lens, having a positive refractive power; a second lens, having a negative refractive power; a third lens, having a positive refractive power; a fourth lens, having a negative refractive power; a fifth lens, having a positive refractive power; a sixth lens, having a positive refractive power; and a seventh lens, having a negative refractive power. A total effective focal length f of the optical imaging lens assembly and half of a maximal field-of-view Semi-FOV of the optical imaging lens assembly satisfy: f×tan(Semi-FOV)≥5.0 mm; and a center thickness CT1 of the first lens on the optical axis and an edge thickness ET1 of the first lens satisfy: 1.5

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The disclosure provides an optical imaging system, which sequentially includes from an object side to an image side along an optical axis: a first lens with a negative refractive power, an object-side surface thereof is a concave surface; a second lens with a positive refractive power; and a third lens with a positive refractive power; wherein an effective focal length f of the optical imaging system and, an Entrance Pupil Diameter (EPD) of the optical imaging system satisfy: f/EPD<1.6; an effective focal length f2 of the second lens and an effective focal length f3 of the third lens satisfy a conditional expression: 0.570°.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/12 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement trois composants

Abrégé

The disclosure provides an optical imaging system, which sequentially includes from an object side to an image side along an optical axis: a first lens with a refractive power; a second lens with a refractive power, an image-side surface thereof is a concave surface; a third lens with a refractive power; a fourth lens with a refractive power; a fifth lens with a refractive power, an object-side surface thereof is a convex surface; a sixth lens with a refractive power; a seventh lens with a refractive power, an object-side surface thereof is a convex surface; and an eighth lens with a refractive power. Semi-FOV is a half of a maximum field of view of the optical imaging system, and Semi-FOV satisfies Semi-FOV<30°.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

The disclosure provides an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis: a first lens with a positive refractive power; a second lens with a refractive power; a third lens with a refractive power; a fourth lens with a positive refractive power; a fifth lens with a refractive power, an object-side surface thereof being a convex surface while an image-side surface being a concave surface; a sixth lens with a positive refractive power, an object-side surface thereof being a convex surface while an image-side surface being a convex surface; and a seventh lens with a negative refractive power. ImgH is a half of a diagonal length of an effective pixel region on an imaging surface, TTL is an on-axis distance from an object-side surface of the first lens to the imaging surface, ImgH and TTL satisfy: 4.0 mm

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

A camera lens assembly is provided. The camera lens assembly along an optical axis from an object side to an image side, sequentially includes: a first lens having negative refractive power; a second lens having refractive power; a third lens having refractive power; a fourth lens having positive refractive power; a fifth lens having negative refractive power; a sixth lens having positive refractive power; and a seventh lens having negative refractive power. A distance TTL from an object-side surface of the first lens to an image plane of the camera lens assembly on the optical axis, a half of a diagonal length ImgH of an effective pixel area of the camera lens assembly and a total effective focal length f of the camera lens assembly satisfy: 15 mm

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,

Abrégé

The disclosure provides an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens with refractive power respectively. An image-side surface of the eighth lens is a convex surface. TTL is a distance from an object-side surface of the first lens to an imaging surface of the optical imaging lens assembly on the optical axis, ImgH is a half of a diagonal length of an effective pixel region on the imaging surface of the optical imaging lens assembly, and TTL and ImgH meet TTL/ImgH<1.2. An effective focal length f8 of the eighth lens and a curvature radius R16 of the image-side surface of the eighth lens meet 0.5

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

The disclosure provides an optical imaging lens assembly, which sequentially includes from an object side to an image side along an optical axis: a first lens with a positive refractive power; a second lens with a refractive power; a third lens with a refractive power; a fourth lens with a refractive power; a fifth lens with a refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; a sixth lens with a positive refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a concave surface; a seventh lens with a negative refractive power; wherein an on-axis distance TTL from an object-side surface of the first lens to an imaging surface and a half of a diagonal length ImgH of an effective pixel region on the imaging surface satisfy: TTL/ImgH<1.25.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

The disclosure provides a camera lens assembly, which sequentially including from an object side to an image side along an optical axis: a first lens with a positive refractive power; a second lens with a negative refractive power; a third lens; a fourth lens; a fifth lens; a sixth lens; a seventh lens with a negative refractive power; wherein an on-axis distance TTL from an object-side surface of the first lens to an imaging surface of the camera lens assembly, a half of a diagonal length ImgH of an effective pixel region on the imaging surface and an effective focal length f of the camera lens assembly satisfy: 6 mm

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

The present disclosure discloses an optical imaging lens assembly. The optical imaging lens assembly comprises, sequentially along an optical axis from an object side to an image side, a first lens, having a refractive power; a second lens, having a refractive power, an object-side surface of the second lens being a concave surface; a third lens, having a refractive power, an object-side surface of the third lens being a concave surface; a diaphragm; a fourth lens, having a refractive power; a fifth lens, having a refractive power, an object-side surface of the fifth lens being a concave surface; and a sixth lens, having a refractive power, an image-side surface of the sixth lens being a convex surface. Half of a maximal field-of-view Semi-FOV of the optical imaging lens assembly may satisfy: Semi-FOV≥70°, and a distance TTL from an object-side surface of the first lens to an image plane of the optical imaging lens assembly on the optical axis and a total effective focal length f of the optical imaging lens assembly may satisfy: 3.5

Classes IPC  ?

• G02B 9/62 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

An optical imaging lens assembly having, sequentially along an optical axis from an object side to an image side, a first lens, having a positive refractive power, an object-side surface of the first lens being a concave surface; a second lens, having a negative refractive power, an image-side surface of the second lens being a convex surface; a third lens, having a refractive power; a fourth lens, having a refractive power; a fifth lens, having a refractive power; a sixth lens, having a refractive power; a seventh lens, having a refractive power; and an eighth lens, having a refractive power.

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

Embodiments of the present disclosure disclose an optical imaging system, comprising, sequentially from an object side to an image side along an optical axis: a prism, reflecting light incident to the prism along a first direction, to cause the light to emerge from the prism along a second direction, and a stop, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially from the prism to an image side along the second direction, each of the first lens to the seventh lens has a refractive power. A total effective focal length f of the optical imaging system and an entrance pupil diameter EPIC of the optical imaging system satisfy: f/EPD<1.4.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

The present disclosure discloses an optical imaging lens assembly, along an optical axis from an object side to an image side, sequentially includes: a first lens having refractive power; a second lens; a third lens, an object-side surface of the third lens being a concave surface, and an image-side surface of the third lens being a convex surface; a fourth lens having negative refractive power, an object-side surface of the fourth lens being a concave surface, and an image-side surface of the fourth lens being a concave surface; a fifth lens having refractive power; a sixth lens; and a seventh lens. The optical imaging lens assembly satisfies: TTL/ImgH≤1.5; and FOV>100°, where, TTL is a distance from an object-side surface of the first lens to an imaging plane of the optical imaging lens assembly on the optical axis, ImgH is half of a diagonal length of an effective pixel area on the imaging plane, and FOV is a maximum field-of-view of the optical imaging lens assembly.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

An optical imaging lens assembly is provided. The optical imaging lens assembly includes, sequentially along an optical axis from an object side to an image side: a first lens, having a refractive power; a second lens, having a positive refractive power; a third lens, having a refractive power; a fourth lens, having a refractive power; a fifth lens, having a refractive power; a sixth lens, having a refractive power; a seventh lens, having a refractive power; an eighth lens, having a negative refractive power, an object-side surface of the eighth lens being a concave surface; and a ninth lens, having a refractive power. Here, an effective focal length f of the optical imaging lens assembly and an entrance pupil diameter EPD of the optical imaging lens assembly satisfy: f/EPD<1.9.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

Embodiments of the present disclosure provide an optical imaging system that comprising, sequentially from an object side to an image side of the optical imaging system along an optical axis: a first lens having a negative refractive power; a second lens having a refractive power, the image side surface of the second lens is a convex surface; a stop; a third lens having a refractive power; a fourth lens having a negative refractive power; a fifth lens having a refractive power; a sixth lens having a refractive power; and a seventh lens having a positive refractive power. A half of a maximal field-of-view Semi-FOV of the optical imaging system satisfies: Semi-FOV≥55°; and a distance TTL from an object side surface of the first lens to an imaging plane of the optical imaging system along the optical axis of the optical imaging system and a half of a diagonal length ImgH of an effective pixel area on an imaging plane of the optical imaging system satisfy: 3.0

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

An optical imaging lens assembly includes, sequentially from an object side to an image side along an optical axis, a first lens (E1) having a positive refractive power; a second lens (E2) having a refractive power; a third lens (E3) having a positive refractive power and an object-side surface (S5) of the third lens (E3) being convex; a fourth lens (E4) having a refractive power; a fifth lens (E5) having a refractive power and an image-side surface (S10) of the fifth lens (E5) being concave; a sixth lens (E6) having a refractive power; and a seventh lens (E7) having a refractive power. Half of a diagonal length ImgH of an effective pixel area on the imaging plane (S17) of the optical imaging lens assembly and an entrance pupil diameter EPD of the optical imaging lens assembly satisfy: ImgH/EPD<0.7.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/02 - Télé-objectifs photographiques, c.-à-d. systèmes du type + — dans lesquels la distance du sommet de l'angle avant au plan de l'image est inférieure à la distance focale équivalente

Abrégé

An optical imaging system includes, sequentially from an object side to an image side along an optical axis, a first lens (L1) having a positive refractive power and a convex object-side surface (S1); a second lens (L2) having a refractive power; a third lens (L3) having a refractive power; a fourth lens (L4) having a positive refractive power, a concave object-side surface (S7) and a convex image-side surface (S8); and a fifth lens (L5) having a negative refractive power.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/60 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement cinq composants

Abrégé

The disclosure provides a zoom lens assembly, which sequentially comprises, from an object side to an image side along an optical axis thereof: a first lens group; a second lens group with a positive refractive power; and a third lens group with a negative refractive power. The second lens group and the third lens group move along the optical axis to implement continuous zooming. The zoom lens assembly has a wide-angle end position, a middle end position and a telephoto end position. EPD is an entrance pupil diameter of the zoom lens assembly, ImgH is a half of a diagonal length of an effective pixel region on an imaging surface of the zoom lens assembly, DTmax is a maximum value in effective radii of each lens in the first lens group, the second lens group and the third lens group, EPD and ImgH and DTmax satisfy: EPD*ImgH/DTmax>6.5 mm.

Classes IPC  ?

• G02B 15/14 - Objectifs optiques avec moyens de faire varier le grossissement par déplacement axial d'au moins une lentille ou de groupes de lentilles relativement au plan de l'image afin de faire varier de façon continue la distance focale équivalente de l'objectif

Abrégé

The present disclosure discloses an optical imaging lens group. The optical imaging lens group comprises, sequentially along an optical axis from an object side to an image side: a first lens, having a refractive power, an object-side surface of the first lens being a concave surface; a second lens, having a refractive power; a third lens, having a refractive power, an image-side surface of the third lens being a concave surface; a fourth lens, having a refractive power; a fifth lens, having a refractive power; a sixth lens, having a refractive power; a seventh lens, having a refractive power; and an eighth lens, having a refractive power, wherein half of a maximal field-of-view Semi-FOV of an optical imaging system satisfies: Semi-FOV>60°, and an optical distortion Dist. of the optical imaging system satisfies: |Dist.|≤5.1%.

Classes IPC  ?

• G02B 13/06 - Objectifs panoramiquesLentilles dites "de ciel"
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The disclosure provides a zoom lens group, sequentially including, from an object side to an image side along an optical axis: a first lens group with positive refractive power, including a first lens with refractive power and a second lens with refractive power, which are sequentially arranged along the optical axis; a second lens group with negative refractive power, including a third lens with negative refractive power and a fourth lens with refractive power, which are sequentially arranged along the optical axis; and a third lens group with positive refractive power, including a fifth lens with positive refractive power, a sixth lens with refractive power, a seventh lens with negative refractive power and an eighth lens with refractive power, which are sequentially arranged along the optical axis, Positions of the second lens group and the third lens group on the optical axis are adjustable.

Classes IPC  ?

• G02B 15/14 - Objectifs optiques avec moyens de faire varier le grossissement par déplacement axial d'au moins une lentille ou de groupes de lentilles relativement au plan de l'image afin de faire varier de façon continue la distance focale équivalente de l'objectif
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 13/02 - Télé-objectifs photographiques, c.-à-d. systèmes du type + — dans lesquels la distance du sommet de l'angle avant au plan de l'image est inférieure à la distance focale équivalente
• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,

Abrégé

An optical imaging system, along an optical axis from an object side to an image side, sequentially includes: a stop; a first lens having a refractive power; a second lens having a positive refractive power; a third lens having a positive refractive power, an object-side surface and an image-side surface of the third lens being convex surfaces; a fourth lens having a refractive power, and an image-side surface of the fourth lens being a convex surface; a fifth lens having a refractive power, and an image-side surface of the fifth lens being a concave surface; a sixth lens having a refractive power; and a seventh lens having a refractive power. A half of a maximum field-of-view Semi-FOV of the optical imaging system satisfies: Semi-FOV≤6°; and a total effective focal length f of the optical imaging system satisfies: f≥25 mm.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,

Abrégé

The present disclosure discloses a camera lens group including, sequentially from an object side to an image side along an optical axis, a first lens having negative refractive power, a convex object-side surface and a concave image-side surface; a second lens having refractive power, a convex object-side surface and a concave image-side surface; a third lens having positive refractive power, a convex object-side surface and a convex image-side surface; a fourth lens having refractive power; a fifth lens having refractive power and a concave object-side surface; a sixth lens having positive refractive power, a convex object-side surface and a convex image-side surface; and a seventh lens having negative refractive power. A maximum field-of-view FOV of the camera lens group satisfies: FOV>133.0°. An amount of distortion of the camera lens group is below 25.0%.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/62 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement six composants
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

2/(TTL×f)≥0.8. The total effective focal length f, a radius of curvature R9 of an object side surface of the fifth lens and a radius of curvature R10 of an image side surface of the fifth lens may satisfy: 1.9≤f/R9+f/R10<3.0.

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

Disclosed in the present application is an optical imaging lens. The optical imaging lens sequentially comprises, along an optical axis from an object side to an image side: a first lens having positive focal power; a second lens having focal power; a third lens having focal power; a fourth lens having positive focal power, an object side surface of the fourth lens being a convex surface and an image side surface thereof being a concave surface; and a fifth lens having negative focal power, an object side surface of the fifth lens being a convex surface and an image side surface thereof being a concave surface. A combined focal length f12 of the first lens and the second lens and a combined focal length f123 of the first lens, the second lens, and the third lens satisfy a relation that 0.5

Classes IPC  ?

• G02B 9/60 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement cinq composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The disclosure provides an optical imaging lens assembly, which sequentially includes from an object side to an image side along an optical axis: a first lens with a positive refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a flat surface; a variable diaphragm; a second lens with a negative refractive power; a third lens with a refractive power; a fourth lens with a positive refractive power, an image-side surface thereof is a convex surface; a fifth lens with a refractive power; a sixth lens with a positive refractive power; and a seventh lens with a negative refractive power. The first lens is a glass lens. The image-side surface of the first lens is a spherical mirror surface.

Classes IPC  ?

• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 3/04 - Lentilles simples ou composées à surfaces non sphériques à surfaces continues engendrées par une rotation autour d'un axe, mais s'écartant d'une véritable sphère
• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,

Abrégé

An optical imaging lens assembly is provided, along an optical axis from an object side to an image side, sequentially includes: a first lens having positive refractive power; a second lens having refractive power, and an object-side surface of the second lens being a convex surface; a third lens having refractive power, an object-side surface of the third lens being a convex surface, and an image-side surface of the third lens being a convex surface; and a fourth lens having refractive power. Half of a maximum field-of-view Semi-FOV of the optical imaging lens assembly and a maximum incident angle of a chief ray CRAmax of the optical imaging lens assembly to an electronic photosensitive component satisfy: 2.5

Classes IPC  ?

• G02B 9/34 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement quatre composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The disclosure discloses an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis: a first lens with a positive refractive power; a variable diaphragm; a second lens; a third lens; a fourth lens; a fifth lens with a negative refractive power; a sixth lens with a positive refractive power; and a seventh lens with a negative refractive power. EPDmax is a maximum entrance pupil diameter of the optical imaging lens assembly, EPDmin is a minimum entrance pupil diameter of the optical imaging lens assembly, and EPDmax, EPDmin and a total effective focal length f of the optical imaging lens assembly meet 3.0

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

The disclosure provides an optical imaging lens group, which sequentially includes from an object side to an image side along an optical axis: a first lens with a negative refractive power; a second lens with a refractive power; a third lens with a refractive power, an image-side surface thereof is a concave surface; a fourth lens with a negative refractive power; a fifth lens with a refractive power; and a sixth lens with a refractive power. Semi-FOV is a half of a maximum field of view of the optical imaging lens group, and Semi-FOV satisfies 45°

Classes IPC  ?

• G02B 9/62 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,

Abrégé

2<1.00 mm.

Classes IPC  ?

• G02B 9/62 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement six composants
• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous

Abrégé

The disclosure provides an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis: a first lens with a negative refractive power, an object-side surface thereof is a concave surface, an image-side surface thereof is a convex surface; a second lens with a refractive power; a diaphragm; a third lens with a refractive power, an object-side surface thereof is a convex surface, an image-side surface thereof is a convex surface; a fourth lens with a refractive power; and a fifth lens with a refractive power. Semi-FOV is a half of a maximum field of view of the optical imaging lens assembly, and Semi-FOV meets Semi-FOV≥55°.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/60 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement cinq composants

Abrégé

The disclosure discloses an optical imaging lens assembly, which sequentially includes, from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, an eighth lens and a ninth lens with refractive power respectively. There is an air space between any two adjacent lenses. The third lens has positive refractive power. An object-side surface of the fourth lens is a concave surface, while an image-side surface is a concave surface. ImgH is a half of a diagonal length of an effective pixel region on an imaging surface, T89 is a spacing distance of the eighth lens and the ninth lens on the optical axis, ImgH and T89 meet 6.0

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants

Abrégé

The present disclosure discloses a camera lens group including, sequentially from an object side to an image side along an optical axis, a first lens having negative refractive power and a concave image-side surface; a stop; a second lens having positive refractive power and a convex image-side surface; a third lens having refractive power and a concave image-side surface; a fourth lens having positive refractive power and a convex image-side surface; and a fifth lens having negative refractive power, a convex object-side surface and a concave image-side surface. A maximum field-of-view FOV of the camera lens group satisfies: FOV>114°. A maximum distortion of the camera lens group is within 8%.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/60 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement cinq composants

Abrégé

A camera lens is provided, including, in order from an object side to an image side along an optical axis: a first lens having a positive refractive power; a second lens; and a third lens. An equivalent length TL of an actual propagation distance of a principal ray from an object side surface of the first lens to an imaging plane in the air and an entrance pupil diameter EPD of the camera lens satisfy: 3.5

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/12 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement trois composants

Abrégé

−1.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 9/64 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant plus de six composants
• G02B 27/00 - Systèmes ou appareils optiques non prévus dans aucun des groupes ,

Abrégé

The present disclosure discloses a camera lens assembly, the camera lens assembly having a total effective focal length f and an entrance pupil diameter EPD, and along an optical axis from an object side to an image side sequentially including a first lens, a second lens, a third lens and a fourth lens, wherein the first lens and the fourth lens have positive refractive powers, an image-side surface of the first lens is a concave surface, and an object-side surface of the fourth lens is a convex surface. In addition, the total effective focal length f and the entrance pupil diameter EPD satisfy: f/EPD≤2.

Classes IPC  ?

• G02B 13/00 - Objectifs optiques spécialement conçus pour les emplois spécifiés ci-dessous
• G02B 5/20 - Filtres
• G02B 9/34 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement quatre composants
• G02B 9/44 - Objectifs optiques caractérisés à la fois par le nombre de leurs composants et la façon dont ceux-ci sont disposés selon leur signe, c.-à-d. + ou — ayant uniquement quatre composants disposés + —— + les deux composants — étant biconcaves