Zhejiang Sunny Optical Co., Ltd

Long Li

Saifeng Lyu

Fujian Dai

Liefeng Zhao

Xiaoting Geng

Dawei Tang

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, the first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the seven lens having refractive power. The first lens has positive refractive power, an object-side surface thereof is a convex surface, and an image-side surface thereof is a convex surface; the second lens has negative refractive power, an object-side surface thereof is a convex surface; and an object-side surface of the fourth lens is a concave surface. A distance TTL along the optical axis from the object-side surface of the first lens to an imaging plane of the optical imaging lens assembly and a total effective focal length f of the optical imaging lens assembly satisfy TTL/f<1.

Optical imaging lens assembly

The present disclosure discloses an optical imaging lens group including, 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, a seventh lens and an eighth lens, each of which has refractive power. Each of the first lens and the fourth lens has positive refractive power. The eighth lens has negative refractive power. An object-side surface of the third lens is a convex surface, and an image-side surface thereof is a concave surface. An object-side surface of the fourth lens is a concave surface, and an image-side surface thereof is a convex surface. A total effective focal length f of the optical imaging lens group, an effective focal length f2 of the second lens, and an effective focal length f3 of the third lens satisfy |f/f2|+|f/f3|<1.

Optical imaging lens group

The present disclosure discloses an optical imaging lens assembly including, 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, a seventh lens and an eighth lens, wherein each of the first through the eighth lenses has refractive power. The first lens has positive refractive power. The third lens has positive refractive power, and each of an object-side surface and an image-side surface thereof is a convex surface. An object-side surface of the sixth lens is a convex surface. The eighth lens has negative refractive power, and an object-side surface thereof is a concave 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 may satisfy f/EPD≤2.0.

An optical imaging lens group 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 positive refractive power, and both an object-side surface and an image-side surface thereof are convex; the second lens has refractive power, and an object-side surface thereof is convex; the third lens has refractive power, and an object-side surface thereof is concave; the fourth lens has refractive power; the fifth lens has refractive power; the sixth lens has refractive power, and an object-side surface thereof is convex; and the seventh lens has negative refractive power. An edge thickness ETof the sixth lens and a center thickness CTof the sixth lens along the optical axis satisfy 0.2<ET/CT<0.9.

The present disclosure discloses an optical imaging lens assembly including a first lens; a second lens with a convex object-side surface and a concave image-side surface; a third lens having a positive refractive power with a convex object-side surface; a fourth lens having a negative refractive power with a concave object-side surface; a fifth lens; a sixth lens with a convex object-side surface and a concave image-side surface, and at least one of the object-side surface and the image-side surface thereof having an inflection point; and a seventh lens having a refractive power with a convex object-side surface and a concave image-side surface, and at least one of the object-side surface and the image-side surface thereof having an inflection point, wherein a total effective focal length f and a radius of curvature R11 of the object-side surface of the sixth lens satisfy 1.00&#x3c;f/R11&#x3c;2.50.

Optical imaging lens assembly including seven lenses of &#x2212;++&#x2212;++&#x2212;, +++&#x2212;++&#x2212;, &#x2212;&#x2212;+&#x2212;++&#x2212;, &#x2212;++&#x2212;+&#x2212;&#x2212; or +++&#x2212;+++ refractive powers

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Ningbo, China

Long Li