Zhejiang Sunny Optical Co., Ltd

Other

Zhejiang Sunny Optics Co., Ltd.

Tianjin Agricultural University

Ningbo Co-star Materials Hi-tech Co., Ltd.

Ming Li

Jianke Wenren

Kaiyuan Zhang

Saifeng Lyu

Xue Gao

Lingbo He

Yabin Hu

Lihui Ye

Tianxiang Xing

Lin Wei Yang

Biao Xu

Jian Yang

Bo Song

Ping Chen

Xiaoqiang Chen

Weiwei Liu

Lie Lin

Shoujun Sun

Gaoyi Cao

Bo Ding

Daoliang Pan

Guangchun Su

Jian Hu

Yonglin Liang

Shuxia Cheng

Wendi Liu

Xiaodong Xie

Yao Zhan

An optical imaging system 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 refractive power. The second lens has a 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. The third lens has a refractive power. The fourth lens has a negative refractive power. The fifth lens has a positive refractive power, and an object-side surface of the fifth lens is a convex surface. The sixth lens has a negative refractive power. The seventh lens has a refractive power. 44°≤HFOV<55°, HFOV being a half of a maximum field of view of the optical imaging system.

Optical imaging system

A magnetic shaver, comprising a connecting part, wherein the connecting part is detachably connected to the device host, and the device host is provided with a control mainboard and a power supply; a bottom shell, wherein the bottom shell is installed on the connecting part; the connecting part and the bottom shell are provided with a gear driving mechanism, and the gear driving mechanism is powered and controlled by the device host; a cutter head assembly, wherein the cutter head assembly is magnetically connected and assembled with the bottom shell through a magnetic structure; when the cutter head assembly is installed on the bottom shell, the gear driving mechanism drives the cutter head assembly. The cutter head assembly and the bottom shell are disassembled and assembled through magnetic attraction, so the cutter head assembly can be easily disassembled and replaced, making the operation more convenient.

Magnetic shaver

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, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens. The first lens has a positive refractive power with a convex object-side surface; the second lens has a refractive power with a concave image-side surface; the third lens has a refractive power with a convex object-side surface; the fourth lens has a refractive power with a concave object-side surface; the fifth lens has a refractive power; and the sixth lens has a refractive power with a concave object-side surface. A maximum effective radius DT11 of the object-side surface of the first lens and a maximum effective radius DT61 of the object-side surface of the sixth lens satisfy 0.6<DT11/DT61<1.

Optical imaging lens assembly including six lenses of +−++−−, +−+−+−, +−−+−−, +−+++−, or +−++−+ refractive powers

The disclosure discloses an optical imaging system including a first lens, a second lens, a third lens, and a plurality of subsequent lenses with refractive power and disposed sequentially along an optical axis from an object side to an image side, wherein a lens adjacent to an object side of a lens closest to an imaging plane has a positive refractive power, wherein the lens closest to the imaging plane has a negative refractive power, and an object side surface and an image side surface of the lens closest to an imaging plane are aspheric, and wherein a combined focal length f23 of the second lens and the third lens and an effective focal length fn of the lens closest to the imaging plane satisfy: −1.5<f23/fn<5.

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 an object-side surface thereof is a convex surface; the second lens has a negative refractive power, and an image-side surface thereof is a concave surface; each of the third lens, the fourth lens, the fifth lens and the sixth lens have a positive refractive power or a negative refractive power; the seventh lens has a 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 effective focal length f1 of the first lens satisfy f/f1&#x2265;2.0.

Optical imaging lens assembly

The present disclosure discloses an imaging lens assembly. The imaging lens assembly includes, sequentially from an object side to an image side of the imaging lens assembly, a first lens having a positive refractive power and a convex object-side surface; a second lens having a negative refractive power and a concave image-side surface; and at least one subsequent lens. At least one of the first lens, the second lens, or the at least one subsequent lens is a glass aspheric lens. A transmittance T1 of the imaging lens assembly corresponding to a wave band 650 nm satisfies: T1&#x3e;85%, a transmittance T2 of the imaging lens assembly corresponding to a wave band 490 nm satisfies: T2&#x3e;88%, and a transmittance T3 of the imaging lens assembly corresponding to a wave band 430 nm satisfies: T3&#x3e;75%.

Imaging lens assembly

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.

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 convex object side surface; a second lens with a refractive power and a concave image side surface; a third lens with a refractive power; a fourth lens with a positive refractive power; a fifth lens with a negative refractive power and a concave object side surface; and a sixth lens with a negative refractive power and a concave object side surface, wherein a space interval Tbetween the third lens and the fourth lens along an optical axis and a space interval Tbetween the fourth lens and the fifth lens along the optical axis satisfy 0.2&#x3c;T/T&#x3c;0.6.

The present disclosure discloses a camera lens assembly. The camera lens assembly includes, sequentially from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. The first lens has a positive refractive power. The second lens has a negative refractive power. The third lens has a positive refractive power or a negative refractive power. The fourth lens has a positive refractive power. The fifth lens has a negative refractive power. An effective focal length f of the camera lens assembly and a combined focal length f45 of the fourth lens and the fifth lens satisfy: &#x2212;1.0&#x3c;f/f45&#x2264;&#x2212;0.5. The camera lens assembly according to the present disclosure is an ultra-thin telephoto lens assembly structure having 5 lenses and high pixels, which may obtain a good image quality and a good processing and manufacturing performance.

Camera lens assembly including five lenses of +&#x2212;++&#x2212; or +&#x2212;&#x2212;+&#x2212; 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, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens. The first lens has a negative refractive power; each of the second lens, the third lens, the fourth lens, the fifth lens and the sixth lens has a positive or a negative refractive power; an image-side surface of the third lens and an object-side surface of the sixth lens are concave; and the seventh lens has a negative refractive power, and an image-side surface thereof is concave. A combined focal length f56 of the fifth lens and the sixth lens and a combined focal length f1234 of the first lens, the second lens, the third lens and the fourth lens satisfy 2&#x2264;f56/f1234&#x3c;6.

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. The first lens has a refractive power, an object-side surface of the first lens is a concave surface, and an image-side surface of the first lens is a convex surface; the second lens has a positive refractive power; the third lens has a negative refractive power; the fourth lens has a refractive power; the fifth lens has a negative refractive power, and the sixth lens has a refractive power. An effective focal length f2 of the second lens and a radius of curvature R3 of an object-side surface of the second lens satisfy 1.5&#x3c;f2/R3&#x3c;2.

Optical imaging lens group

The present disclosure discloses an imaging lens assembly, along an optical axis from an object side to an imaging side including sequentially a first lens assembly and a second lens assembly. The first lens assembly has a positive refractive power and along the optical axis from the object side to the imaging side includes sequentially: a first lens, having a positive refractive power and its object-side surface is convex; a second lens, having a negative refractive power; and a third lens, having a positive refractive power or a negative refractive power. The second lens assembly has a negative refractive power and along the optical axis from the object side to the imaging side sequentially includes: a fourth lens, having a negative refractive power; and a fifth lens, having a positive refractive power or a negative refractive power and its object-side surface is convex at a paraxial position.

The present disclosure provides a camera lens assembly. The camera lens assembly includes 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. The first lens, the second lens and the fifth lens have positive refractive powers, and the third lens and the sixth lens have negative refractive powers. A total effective focal length f of the camera lens assembly and an entrance pupil diameter EPD of the camera lens assembly satisfy: f/EPD&#x2264;1.7.

Camera lens assembly including six lenses each having refractive power

An embodiment of the present 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 and a fifth lens with refractive power. The first lens has a positive refractive power, the fourth lens has a positive refractive power, and the fifth lens has a negative refractive power. An abbe number V1 of the first lens and an abbe number V2 of the second lens satisfy the following relationship 45&#x3c;|V1&#x2212;V2|&#x3c;70.

Optical imaging lens assembly comprising five lenses of +&#x2212;++&#x2212; refractive powers

A camera lens assembly is provided. The camera lens assembly includes, 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 convex surface; a second lens having a positive refractive power; a third lens having a refractive power; a fourth lens; a fifth lens having a refractive power, an object-side surface of the fifth lens being a concave surface, and an image-side surface of the fifth lens being a convex surface; a sixth lens having a refractive power, an image-side surface of the sixth lens being a concave surface; a seventh lens having a negative refractive power, an image-side surface of the seventh lens being a concave surface. An effective focal length f of the camera lens assembly and an entrance pupil diameter EPD of the camera lens assembly satisfy: f/EPD&#x2264;1.60.

Growing community of inventors

Ningbo, China

Ming Li