CN-122018121-A - Folding and super-mixing visible light camera lens and electronic equipment

CN122018121ACN 122018121 ACN122018121 ACN 122018121ACN-122018121-A

Abstract

The application relates to a folding and supermixing visible light camera lens and electronic equipment, which belong to the field of optical lenses, and the folding and supermixing visible light camera lens and the electronic equipment sequentially comprise 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 along an optical axis from an object plane to an image plane, wherein at least one lens is a supersurface lens, and the rest lenses are aspheric lenses. The application realizes large aperture and low distortion through eight-piece design, effectively compresses the total optical length, makes the system smaller, lighter and thinner, and reduces the surface type complexity of the aspherical lens.

Inventors

XING YUANYUAN
CHEN WENJIE
SHI PENG

Assignees

杭州纳境科技有限公司

Dates

Publication Date: 20260512
Application Date: 20260327
Priority Date: 20250703

Claims (10)

1. The folding and super-mixing visible light camera lens is characterized in that the folding and super-mixing visible light camera lens sequentially comprises 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 from an object plane to an image plane along an optical axis, wherein at least one lens is a super-surface lens, and the rest lenses are aspheric lenses; the lens satisfies the following conditions: wherein, fno is f-number, imgh is imaging target surface angle line size, FOV is diagonal field angle, TTL is total length of the optical system, defined as the distance from the optical axis center of the first lens object side to the image plane, and f is focal length.
2. The catadioptric hybrid visible light imaging lens of claim 1, wherein the lens comprises 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 arranged in order along an optical axis from an object plane to an image plane; The fourth lens is a super-surface lens, and the first lens, the second lens, the third lens, the fifth lens, the sixth lens, the seventh lens and the eighth lens are all aspheric lenses.
3. The catadioptric hybrid visible light imaging lens according to claim 2, wherein: The first lens is a lens with negative focal power, the object side paraxial region of the first lens is a convex surface, and the image side paraxial region of the first lens is a concave surface; the second lens is a lens with positive focal power, the object side paraxial region of the second lens is a convex surface, and the image side paraxial region of the second lens is a convex surface; The third lens is a lens with negative focal power, the object side paraxial region of the third lens is a convex surface, and the image side paraxial region of the third lens is a concave surface; The fourth lens is a super-surface lens with positive focal power, and the object side surface and the image side surface of the fourth lens are arranged in a microstructure mode; The fifth lens is a lens with positive focal power, the object side paraxial region of the fifth lens is a convex surface, and the image side paraxial region of the fifth lens is a convex/concave surface; The sixth lens is a lens with negative focal power, the object side paraxial region of the sixth lens is a convex surface, and the image side paraxial region of the sixth lens is a concave surface; the seventh lens is a lens with positive focal power, the object side surface of the seventh lens is a convex surface at the paraxial region, and the image side surface of the seventh lens is a concave surface at the paraxial region; the eighth lens is a lens with negative focal power, the object side paraxial region of the eighth lens is a concave surface, and the image side paraxial region of the eighth lens is a concave surface.
4. The catadioptric mixing visible light camera lens of claim 2, wherein the fourth lens is made of glass.
5. The catadioptric hybrid visible light imaging lens of claim 1, wherein the focal length of the lens satisfies: 。
6. The catadioptric hybrid visible light imaging lens according to claim 1, wherein an f-number of the lens satisfies 。
7. The catadioptric hybrid visible light imaging lens of claim 1, wherein the angle of view of said lens satisfies 。
8. The catadioptric mixing visible light camera lens of claim 1, further comprising a diaphragm.
9. The catadioptric mixing visible light camera lens of claim 1, further comprising a color filter.
10. The electronic device is characterized by comprising the folding and supermixing visible light camera lens in any one of claims 1-9.

Description

Folding and super-mixing visible light camera lens and electronic equipment Technical Field The invention belongs to the field of optical lenses, and particularly relates to a folding and supermixing visible light camera lens and electronic equipment. Background With the development of technology and the improvement of living standard of people, the performance of electronic photosensitive elements is greatly improved, and the requirements of photographic lenses are also higher and higher. The current camera lens often adopts an aspheric plastic lens combination mode, and high-resolution imaging is realized through high-order aspheric surface type combination. However, the method is limited by the processing technology and the yield, and the aspherical surface shape has a plurality of limitations. Disclosure of Invention The application provides a folding and supermixing visible light camera lens and electronic equipment, which at least solve the technical problems in the prior art. In one aspect, the embodiment of the application provides a catadioptric hybrid visible light imaging lens, which sequentially comprises 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 from an object plane to an image plane along an optical axis, wherein at least one lens is a super-surface lens, and the rest lenses are aspheric lenses; the lens satisfies the following conditions: wherein, fno is f-number, imgh is imaging target surface angle line size, FOV is diagonal field angle, TTL is total length of the optical system, defined as the distance from the optical axis center of the first lens object side to the image plane, and f is focal length. In an embodiment, the lens comprises 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 sequentially arranged from an object plane to an image plane along an optical axis, wherein the fourth lens is a super-surface lens, and the first lens, the second lens, the third lens, the fifth lens, the sixth lens, the seventh lens and the eighth lens are all aspheric lenses. In one embodiment, the first lens element is a lens element with negative optical power, wherein the object-side paraxial region is convex, the image-side paraxial region is concave, the second lens element is a lens element with positive optical power, wherein the object-side paraxial region is convex, the image-side paraxial region is convex, the third lens element is a lens element with negative optical power, wherein the object-side paraxial region is convex, the image-side paraxial region is concave, the fourth lens element is a super-surface lens element with positive optical power, wherein the object-side and image-side surfaces are arranged in a microstructure, the fifth lens element is a lens element with positive optical power, wherein the object-side paraxial region is convex, the image-side paraxial region is convex/concave, the sixth lens element is a lens element with negative optical power, wherein the object-side paraxial region is convex, the image-side paraxial region is concave, the eighth lens element is a lens element with negative optical power, and the object-side paraxial region is concave. In one embodiment, the material of the fourth lens is glass. In one embodiment, the focal length of the lens satisfies:。 In one embodiment, the f-number of the lens satisfies 。 In one embodiment, the field angle of the lens satisfies。 In an embodiment, a diaphragm is further included. In one embodiment, a color filter is also included. In another aspect, an embodiment of the present application provides an electronic device, including any one of the above-mentioned hybrid refractive and super-hybrid visible light imaging lens. Compared with the prior art, the application has the following advantages: The application adopts the technical scheme of folding and supermixing, and realizes large aperture and low distortion through eight-piece design (seven traditional plastic lenses and one superlens). The scheme effectively compresses the total optical length, so that the system is miniaturized, thinned and thinned, and the surface type complexity of the aspherical lens is reduced. Drawings Fig. 1 is a schematic structural diagram of a refractive and super-mixing visible light camera lens in embodiment 1 of the present application; fig. 2 is a schematic MTF diagram of a refractive-super-hybrid visible light camera lens in embodiment 1 of the present application; FIG. 3 is a schematic view of diffuse speckles of the catadioptric hybrid visible light camera lens in embodiment 1 of the present application; Fig. 4 is a distortion schematic diagram of a catadioptric hybrid visible light camera lens in embodiment 1 of the present application; fig. 5 is a schematic structural diagram of a refractive and super-mixing visible light camera lens in embodiment 2 of the present applic