Zhejiang Sunny Optical Co., Ltd

Zhejiang Sunny Optics Co., Ltd.

Yabin Hu

Fujian Dai

Liefeng Zhao

Jianke Wenren

Kaiyuan Zhang

Bo Song

Ming Li

Jian Zhang

Saifeng Lv

Qian Zhang

Ling Ding

Xin Ni Wang

Xule Kong

Tao Feng

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 and a seventh lens. Each of the first lens to the seventh lens has refractive power. The first lens has positive refractive power, and the third lens has negative refractive power. Half of a diagonal length ImgH of an effective pixel area on an imaging plane of the optical imaging lens assembly satisfies: ImgH>5 mm; and a relative F number Fno of the optical imaging lens assembly satisfies Fno<1.6.

Optical imaging lens assembly

The disclosure provides a camera lens group, which sequentially includes, from an object side to an image side along an optical axis: a first lens group with a positive refractive power, sequentially including, along the optical axis, a first lens, a second lens and a third lens with refractive power respectively; and a second lens group with a negative refractive power, sequentially including, the optical axis, a fourth lens, a fifth lens, a sixth lens and a seventh lens with refractive power respectively, wherein a total effective focal length f of the camera lens group and an entrance pupil diameter (EPD) of the camera lens group meet f/EPD<1.4; and an effective focal length f1 of the first lens and a spacing distance T34 of the third lens and the fourth lens on the optical axis meet 3.0<f1/T34<5.0.

Camera 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 having refractive power. A center thickness CT6 of the sixth lens along the optical axis and a spaced interval T56 between the fifth lens and the sixth lens along the optical axis satisfy: 1.5<CT6/T56<2.6. A relative F number Fno of the optical imaging lens assembly satisfies: Fno≤1.7.

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

The disclosure discloses an optical imaging system. The 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, and a sixth lens. The first lens has a focal power, and an object side surface thereof is a convex surface; the second lens has a focal power; the third lens has a focal power, and an image side surface thereof is a convex surface; the fourth lens has a focal power, an object side surface thereof is a convex surface, and an image side surface thereof is a concave surface; the fifth lens has a positive focal power, and an object side surface thereof is a convex surface; and the sixth lens has a negative focal power, and an object side surface thereof is a concave face.

Optical imaging system

The present disclosure discloses a zoom lens assembly. The zoom lens assembly comprises, sequentially along an optical axis from an object side to an image side, a first lens group comprising a first lens and a second lens; a second lens group having a positive refractive power and comprising a third lens, a fourth lens and a fifth lens; a third lens group having a negative refractive power and comprising a sixth lens; and a fourth lens group having a positive refractive power and comprising a seventh lens and an eighth lens. At least one of the first lens to the eighth lens is an aspheric lens. By changing positions of at least two lens groups in the second lens group, the third lens group and the fourth lens group on the optical axis, the zoom lens assembly switches between a wide-angle state and a telephoto state, and a focal length of the zoom lens assembly changes linearly when the zoom lens assembly switches from the wide-angle state to the telephoto state.

Zoom 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 positive refractive power; a second lens having positive refractive power and a convex object-side surface; and a third 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 lens assembly and half of a diagonal length ImgH of an effective pixel area on the imaging plane satisfy 2.0<TTL/ImgH<2.5.

Disclosed herein is an optical imaging lens group, including, in order from an object side to an image side along an optical axis: a first lens group having a refractive power, in which an image side surface of a lens closest to an imaging side is concave; a second and a third lens group having a refractive power; and a fourth lens group having a negative refractive power, in which an image side surface of a lens closest to the imaging side is concave and includes at least one inflection point, wherein the first lens group is a fixed group, and the second, third and fourth lens groups move on the optical axis to realize continuous zoom from a wide-angle end to a telephoto end; and an on-axis distance TTL and an effective focal length ft of the optical imaging lens group at the telephoto end satisfy: 0.8<TTL/ft<1.5.

Optical imaging lens group

The disclosure provides a zoom lens assembly, which sequentially includes from an object side to an image side along an optical axis: a first lens group; a second lens group with a positive refractive power, spaced from the first lens group by a first air space and movable on the optical axis; a third lens group with a positive refractive power, spaced from the second lens group by a second air space and movable on the optical axis; and a fourth lens group, spaced from the third lens group by a third air space; wherein a Total Track Length (TTL) of the zoom lens assembly and a difference &#x394;f between an effective focal length of the zoom lens assembly at a wide end and an effective focal length of the zoom lens assembly at a tele end satisfy 2.5&#x3c;TTL/|&#x394;f|&#x3c;4.0.

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 having positive refractive power; a second lens having refractive power; a third lens having positive refractive power with a concave object-side surface and a convex image-side surface; a fourth lens having positive refractive power with a concave object-side surface and a convex image-side surface; and a fifth lens having refractive power. Half of a maximal field-of-view Semi-FOV of the optical imaging lens assembly satisfies: Semi-FOV&#x3e;48&#xb0;.

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 an optical imaging lens assembly 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. The first lens has a negative refractive power; the the third lens and the sixth lens each has a positive refractive power; an object-side surface of the fourth lens is convex, and an image-side surface thereof is concave; an object-side surface of the fifth lens is convex,and an image-side surface thereof is concave. 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 assembly and half of a diagonal length ImgH of an effective pixel area on the imaging plane of the optical imaging lens assembly satisfy TTL/ImgH&#x2264;1.25.

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 having a positive refractive power; a second lens having a negative refractive power; a third lens having a refractive power; a fourth lens having a refractive power, and an image-side surface thereof being a concave surface; a fifth lens having a refractive power; a sixth lens having a refractive power, and an object-side surface thereof being a convex surface; and a seventh lens having a negative refractive power. A distance TTL along the optical axis from an object-side surface of the first lens of the optical imaging lens group to an imaging plane of the optical imaging lens group and a total effective focal length f of the optical imaging lens group satisfy TTL/f&#x3c;1.

An optical imaging lens assembly is provided. The optical imaging lens includes a first lens (E), a second lens (E), a third lens (E), a fourth lens (E), a fifth lens (E), a sixth lens (E) and a seventh lens (E) which are provided in sequence from an object side to an image side along an optical axis and have refractive powers. The first lens has a positive refractive power. The fourth lens has a positive refractive power. The sixth lens has a negative refractive power. The seventh lens has a negative refractive power. An object-side surface (S) of the fourth lens is a concave surface, and an image-side surface (S) is a convex surface. An object-side surface (S) of the fifth lens is a convex surface.

The present disclosure discloses an imaging lens assembly. The imaging 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. An effective focal length f of the imaging lens assembly and an entrance pupil diameter EPD of the imaging lens assembly satisfy: f/EPD&#x2264;1.8, and an incident angle of a chief ray corresponding to a maximal field-of-view incident on an object-side surface of the fourth lens CRA4&#x3c;15&#xb0;. The imaging lens assembly according to the present disclosure consists of 5 lenses, which can realize an imaging lens assembly having an ultra-thin large aperture and a good image quality.

Imaging lens assembly

The present disclosure discloses an optical imaging lens assembly including a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens sequentially from an object side to an image side along an optical axis. Each of the first lens and the fifth lens has a positive refractive power. Each of the second lens, the third lens, and the fourth lens has a positive refractive power or a negative refractive power. An object-side surface of the first lens and an image-side surface of the fifth lens are convex surfaces. An image-side surface of the second lens, an object-side surface of the sixth lens, and an image-side surface of the sixth lens are concave surfaces. A total effective focal length f of the optical imaging lens assembly and an entrance pupil diameter EPD of the optical imaging lens assembly satisfy: f/EPD&#x2264;1.8.

Growing community of inventors

Ningbo, China

Yabin Hu