Zhejiang Sunny Optical Co., Ltd

Zhejiang Sunny Optics Co., Ltd.

Ningbo Sunny Opotech Co., Ltd.

Lin Huang

Fujian Dai

Liefeng Zhao

Xinquan Wang

Kaiyuan Zhang

Lingbo He

Shixin Xu

Jiewei Xu

Xinke Tang

Mengjie Luo

Yiwu Gu

Jianke Wenren

Yunbing Ji

Litong Song

Yang Li

Xin Zhou

Yuanlin Jia

Yanping Li

Saifeng Lv

Jia Lu

Xinghai You

Biao Xu

Yu Zhou

Xiaoting Geng

Yuhao Wang

Tianxiang Xing

Faguan Lin

Yinghui Yuan

Zhanfei Zhang

Jianlin Li

Xu Wang

Qionghua Zhou

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.

Optical imaging system

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°.

Optical imaging lens assembly

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.

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.

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.

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.

Imaging system

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, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens and an eighth lens. The first lens has a positive refractive power; the fourth lens has a positive refractive power; the fifth lens has a negative refractive power; the seventh lens has a positive refractive power; the eighth lens has a negative refractive power; and a total effective focal length f of the optical imaging lens, an entrance pupil diameter EPD of the optical imaging lens and a distance TTL from the object side surface of the first lens to the imaging surface of the optical imaging lens on the optical axis satisfy 5 mm<f×(TTL/EPD)<7.2 mm.

Optical imaging lens

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 with a positive refractive power, including a first lens with a refractive power; a second lens group, sequentially including from the object side to the image side along the optical axis: a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens with refractive power respectively; an optical filter; and a photosensitive element; wherein at least one of the first lens to the sixth lens is arranged to be movable relative to the photosensitive element in a direction of the optical axis; a maximum effective semi-diameter DT51 of an object-side surface of the fifth lens and a maximum effective semi-diameter DT32 of an image-side surface of the third lens satisfy 1.5<DT51/DT32<2.5.

An optical imaging lens assembly, along an optical axis from an object side to an image side, sequentially includes: a first to sixth lens each having a refractive power; an object-side surface of the third lens being a convex surface; the fourth lens having a negative refractive power; an object-side surface of the fifth lens being a concave surface; half of a maximal field-of-view Semi-FOV of the optical imaging lens assembly satisfying: Semi-FOV≥60°; a center thickness CT3 of the third lens on the optical axis and a spacing distance T12 between the first lens and the second lens on the optical axis satisfying: 2.5<CT3/T12<10.5; and a radius of curvature R5 of the object-side surface of the third lens and a radius of curvature R9 of the object-side surface of the fifth lens satisfying: −3.5<R5/R9<−2.0.

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<Tan(Semi-FOV+CRAmax)<3.5.

An optical imaging lens sequentially includes, from an object side to an image side along an optical axis, a first lens (E), a second lens (E), a third lens (E), a fourth lens (E), a fifth lens (E), a sixth lens (E), a seventh lens (E) and an eighth lens (E) with refractive power. An object-side surface (S) of the first lens (E) is a convex surface. The fourth lens (E) has positive refractive power. The seventh lens (E) has negative refractive power, and an object-side surface (S) thereof is a convex surface. There is an air space between any two adjacent lenses in the first lens (E) to the eighth lens (E). An effective focal length f1 of the first lens (E) and an effective focal length f4 of the fourth lens (E) meet 1.7<|f4/f1|<4.

The present disclosure discloses an optical 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. The first lens has negative refractive power; the second lens has refractive power, and an image-side surface thereof is a concave surface; the third lens has refractive power, and an image-side surface thereof is a convex surface; the fourth lens has positive refractive power, and an object-side surface thereof is a convex surface; the fifth lens has negative refractive power; and the sixth lens has refractive power. The third lens is made of glass, and a center thickness CT3 of the third lens along the optical axis and a center thickness CT4 of the fourth lens along the optical axis satisfy 1.5<CT3/CT4<2.5.

Optical lens group

An optical imaging lens assembly includes, sequentially from an object side to an image side along an optical axis, a first lens group having positive refractive power and including a first lens with refractive power; a second lens group, sequentially from the object side to the image side along the optical axis, including a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, each of which having refractive power; a plate glass; and a photosensitive element. At least one surface of at least one lens among the first to the sixth lenses is a non-rotationally symmetric surface. At least one of the first lens to the sixth lens is configured to be movable relative to the photosensitive element in the direction of the optical axis. A maximum optical distortion Distmax of the optical imaging lens assembly may satisfy: |Distmax|<5%.

The disclosure discloses an optical imaging system, 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 and a seventh lens, wherein the first lens has a positive refractive power; the second lens has a negative refractive power, an object-side surface thereof is a concave surface, and an image-side surface thereof is a convex surface; the third lens has a refractive power; the fourth lens has a positive refractive power, an object-side surface thereof is a concave surface, and an image-side surface thereof is a convex surface; the seventh lens has a negative refractive power, an object-side surface thereof is a convex surface; and a total effective focal length f of the optical imaging system and an entrance pupil diameter EPD of the optical imaging system satisfy f/EPD≤0.8.

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, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens having reactive power. The first lens has positive refractive power, and the first lens is a glass lens; an object-side surface of the second lens is a convex surface, and an image-side surface of the second lens is a concave surface; and each of the fourth lens and the fifth lens has negative refractive power. An aperture value Fno of the optical imaging system satisfies Fno<1.4.

Growing community of inventors

Ningbo, China

Lin Huang