Zhejiang Sunny Optical Co., Ltd

Lihui Ye

Fujian Dai

Liefeng Zhao

Ming Li

Jianke Wenren

Lingbo He

Saifeng Lyu

The disclosure discloses an optical imaging lens, which includes 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 which are provided in sequence from an object side to an imaging side along an optical axis, the first lens has a positive refractive power, and an object-side surface of the first lens is a convex surface; the second lens has a negative refractive power; the third lens has a positive refractive power; the fourth lens has a positive refractive power or a negative refractive power, an object-side surface of the fourth lens is a concave surface and an imaging-side surface is a convex surface; the fifth lens has a positive refractive power or a negative refractive power; the sixth lens has a positive refractive power or a negative refractive power, and an object-side surface of the sixth lens is a convex surface; the seventh lens has a positive refractive power or a negative refractive power; and the eighth lens has a negative refractive power.

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

The application discloses an optical imaging lens assembly including, sequentially from an object side to an image side, a first lens with a positive refractive power and a concave image side surface; a second lens with a negative refractive power and a convex object side surface; a third lens with a refractive power and a convex image side surface; a fourth lens with a negative refractive power and a concave object side surface; a fifth lens with a positive refractive power and a convex image side surface; a sixth lens with a refractive power; and a seventh lens with a negative refractive power, wherein an effective focal length f of the optical imaging lens assembly, an entrance pupil diameter EPD of the optical imaging lens assembly and a space interval T67 between the sixth lens and the seventh lens satisfy f/EPD&#x2264;1.80, and 5.5&#x3c;f/T67&#x3c;11.5.

Optical imaging lens assembly

The present disclosure provides an optical imaging lens assembly including, sequentially from an object side to an image side along an optical axis, a first lens having a positive refractive power; a second lens having a positive refractive power; a third lens having a negative refractive power; a fourth lens having a refractive power, an object-side surface thereof being a concave surface, and an image-side surface thereof being a convex surface; a fifth lens having a refractive power; a sixth lens having a positive 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. An effective focal length f of the optical imaging lens assembly and an entrance pupil diameter of the optical imaging lens assembly satisfy f/EPD&#x3c;1.5.

The present disclosure discloses an optical imaging system including 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. An object-side surface of the second 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 convex surface, and an image-side surface thereof is a concave surface; an object-side surface of the fifth lens is a concave surface, and an image-side surface thereof is a convex surface; and each of the third lens and the sixth lens has positive refractive power. 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 0.5&#x3c;R11/R12&#x3c;1.5.

Optical imaging system

A camera lens group is disclosed. The camera 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 having refractive powers. The second lens has a positive refractive power. An object-side surface of the second lens, an object-side surface of the third lens, and an object-side surface of the sixth lens are a convex surface. An image-side surface of the third lens, an image-side surface of the sixth lens, and an image-side surface of the seventh lens are a concave surface. A center thickness CTof the fourth lens on the optical axis and a center thickness CTof the fifth lens on the optical axis satisfy: CT/CT&#x3e;1.5.

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Ningbo, China

Lihui Ye