Zhejiang Sunny Optical Co., Ltd

Zhejiang Sunny Optics Co., Ltd.

Mengna Tang

Fujian Dai

Liefeng Zhao

Jianke Wenren

Saifeng Lyu

Xiaofeng Weng

Ling Ding

Jia Lu

Xule Kong

Xiaohui Zhang

Yifu Cheng

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.

Zoom lens assembly

An optical imaging lens group is disclosed. An implementation of the optical imaging lens group includes, sequentially along an optical axis from an object side to an image side: first to eighth lenses having refractive powers. The object-side surface of the first lens is a concave surface. The image-side surface of the third lens is a concave surface. 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%.

Optical imaging lens group

The present disclosure discloses an optical imaging lens assembly, which includes sequentially from an object side to an image side along an optical axis, a first lens and at least one subsequent lens having refractive power. 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 a distance P along the optical axis from a to-be-captured object to the object-side surface of the first lens satisfy 0.6<TTL/P*10<1.8.

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 and a sixth lens, each of which has refractive power. An object-side surface of the first lens is a convex surface, and an image-side surface of the first lens is a concave surface; an image-side surface of the second lens is a concave surface; and an object-side surface of sixth lens is a concave surface. A distance TTL along the optical axis from an object-side surface of the first lens to an imaging plane of the optical imaging lens group and half of a diagonal length ImgH of an effective pixel area on the imaging plane of the optical imaging lens group satisfy TTL/ImgH≤1.23.

The present application discloses an optical imaging system, comprising, in order from an object side to an image side along an optical axis: a planar glass, a first lens having a positive focal power, a second lens having a negative focal power and a plurality of subsequent lenses having a respective focal power, wherein the maximum field of view FOV of the optical imaging system satisfies FOV&#x2265;40&#xb0;; and a radius of curvature R3 of an object side surface of the second lens and a radius of curvature R4 of an image side surface of the second lens satisfy &#x2212;0.5&#x3c;R3/R4&#x3c;0.

Optical imaging system

The present application discloses a camera lens, comprising, 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 having a positive refractive power, an object side surface thereof being convex; a third lens having a refractive power; a fourth lens having a refractive power, an object side surface thereof being convex; and a fifth lens having a refractive power. An effective focal length f2 of the second lens and an effective focal length f1 of the first lens satisfy: 0.3&#x3c;f2/f1&#x3c;0.7, and a distance TTL from an object side surface of the first lens to an imaging plane of the camera lens on the optical axis and an entrance pupil diameter EPD of the camera lens satisfy: TTL/EPD&#x3c;2.5.

Camera lens

The present disclosure provides an optical imaging lens assembly and an electronic device. The optical imaging lens assembly includes, sequentially from an object side to an image side along an optical axis, a window member; a first lens having a positive refractive power, and an object-side surface of the first lens being a convex surface; a second lens having a negative refractive power; and at least one subsequent lens having a refractive power, wherein an entrance pupil diameter EPD of the optical imaging lens assembly and half of an effective aperture DTg of the window member at an object-side surface thereof satisfy: EPD/DTg&#x3e;1.6, which makes the optical imaging lens assembly have the characteristics of high resolution and miniaturization. When the optical imaging lens assembly is installed on an electronic device, it can minimize the impact on the full-screen display.

Optical imaging lens assembly and electronic device

The present disclosure discloses an optical imaging system including, sequentially from an object side to an image side along an optical axis, a first lens having refractive power with a convex object-side surface; a second lens having positive refractive power; a third lens having refractive power; a fourth lens having refractive power; a fifth lens having refractive power; a sixth lens having positive refractive power with a convex image-side surface; and a seventh lens having negative refractive power. An effective focal length f of the optical imaging system and a maximum field-of-view FOV of the optical imaging system satisfy f*tan(FOV/2)&#x3e;4.0 mm. The effective focal length f of the optical imaging system and a radius of curvature R9 of an object-side surface of the fifth lens satisfy 0&#x3c;f/R9&#x3c;1.0.

Optical imaging system including seven lenses of ++-+-+-, - +-+-+-, ++---+- or ++-+++- refractive powers

The present disclosure discloses an optical imaging system including, 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; a third lens having positive refractive power; and a fourth lens having negative refractive power. A distance TTL along the optical axis from an object-side surface of the first lens to an imaging plane of the optical imaging system and a distance To along the optical axis from a to-be-captured object to the object-side surface of the first lens satisfy 1&#x3c;TTL/To&#x3c;2.5.

An optical imaging lens is provided. The optical imaging lens includes sequentially 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 with a refractive power, an object side surface of the third lens being a convex surface, an image side surface of the third lens being a concave surface; a fourth lens with refractive power, an object side surface of the fourth lens being a convex surface, an image side surface of the fourth lens being a concave surface a fifth lens with a negative refractive power, an object side surface of the fifth lens being a convex surface, an image side surface of the fifth lens being a concave surface; and a sixth lens with a refractive power.

Optical imaging lens

The present disclosure discloses an optical imaging system. The optical imaging system satisfies: f/EPD&#x2264;1.5; 0.3&#x3c;T23*10/R4&#x3c;1.8; &#x2212;0.6&#x3c;f2/f4&#x3c;&#x2212;0.1; and TTL/ImgH&#x3c;1.4, where f is an effective focal length of the optical imaging system, EPD is an entrance pupil diameter of the optical imaging system, T23 is a spaced interval between the second lens and the third lens along the optical axis, R4 a radius of curvature of an image-side surface of the second lens, f2 is an effective focal length of the second lens, f4 is an effective focal length of the fourth lens, TTL is a distance along the optical axis from an object-side surface of the first lens to an imaging plane of the optical imaging system, and ImgH is half of a diagonal length of an effective pixel area on the imaging plane.

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

The present disclosure discloses an imaging apparatus and an electronic device. The imaging apparatus includes a macro lens group, a wide-angle lens group, and a telephoto lens group. An effective focal length fof the macro lens group, an effective focal length fof the wide-angle lens group and an effective focal length fof the telephoto lens group satisfy: f&#x3c;f&#x3c;f, 0.20&#x3c;f/f&#x3c;0.80 and 0.10&#x3c;f/f&#x3c;0.50.

Growing community of inventors

Ningbo, China

Mengna Tang