CN218782500U

CN218782500U - Long-focus lens structure

Info

Publication number: CN218782500U
Application number: CN202222850407.6U
Authority: CN
Inventors: 权宇; 杜军红; 葛振纲; 程黎辉
Original assignee: Shanghai Longqi Intelligent Technology Co ltd
Current assignee: Shanghai Longqi Intelligent Technology Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-03-31
Anticipated expiration: 2032-10-27

Abstract

The application provides a tele lens structure, the structure includes: a lens barrel, a lens member, a motor base, a photosensitive member; the lens component, the motor base and the photosensitive component are arranged in the lens barrel, the motor base is arranged between the lens component and the photosensitive component, part of light enters from the light inlet end of the lens barrel, passes through the lens component and is incident to the photosensitive component after being reflected by the inner wall of the motor base, and the surface of the inner wall of the motor base is a rough surface with roughness exceeding a preset value. Incident light is scattered through the rough surface, so that the effect of weakening stray light and light spots is achieved, the light spots or the stray light are greatly eliminated, the shooting quality is improved, and the problem that the stray light or the light spots generated by shooting through the telephoto lens in the prior art influence the shooting quality is solved.

Description

Long-focus lens structure

Technical Field

The application relates to the technical field of optical lenses, in particular to a telephoto lens structure.

Background

When a telephoto lens is used for shooting, picture elements are few, when a light source or a highlight object is shot, a shadow of a light or a complete object appears at the edge, when a real image is formed on the object by the camera module, other non-imaging light rays are diffused on an optical system besides imaging light rays, and the parasitic light rays can cause great influence on a picture. The long burnt is compared in the wide angle, the field depth, the focus of macro lens, the back is burnt longer, light passes through inside the module, for example can directly produce the reflection when focusing motor base inner wall, the photo that causes to shoot sends out to hinder the contrast scheduling problem that influences whole photo, although the coating film of lens and internal reflection are handled and are strengthened and can be reduced the facula, but also can not eliminate completely, so elimination facula or miscellaneous light by a wide margin still in prior art, thereby promote and shoot the quality, the miscellaneous light or the facula influence of solution long burnt lens shooting production and shoot the problem of quality.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a telephoto lens structure for eliminate facula or parasitic light by a wide margin, thereby promote the shooting quality, solved the parasitic light or the facula influence of telephoto lens shooting production and shoot the problem of quality.

The application provides a pair of tele lens structure, the structure includes: a lens barrel, a lens member, a motor base, a photosensitive member;

the lens component, the motor base and the photosensitive component are arranged in the lens barrel, the motor base is arranged between the lens component and the photosensitive component, part of light enters from the light inlet end of the lens barrel, passes through the lens component and is incident to the photosensitive component after being reflected by the inner wall of the motor base, and the surface of the inner wall of the motor base is a rough surface with roughness exceeding a preset value.

Preferably, the structure further comprises:

the surfaces of other non-light-transmitting members exposed between the lens member and the photosensitive member optical path are rough surfaces having a roughness exceeding a preset value.

Preferably, the roughness of the rough surface at least exceeds VDI21 in the VDI3400 standard.

Preferably, the roughness of the rough surface ranges from VDI21 to VDI24 in the VDI3400 standard.

Preferably, the roughened surface is serrated.

Preferably, the structure further comprises a periscopic component, the periscopic component is arranged between the light inlet end of the lens barrel and the lens component, so that light enters the lens component after entering from the light inlet end of the lens barrel and being reflected by the surface of the periscopic component, and the surface of the periscopic component is a smooth surface.

Preferably, the periscopic member and the lens barrel are designed integrally.

Preferably, the lens part comprises a plurality of lenses.

Preferably, the photosensitive member is a photosensitive chip.

Preferably, the motor base is integrally designed with the lens part and/or the lens barrel.

Compared with the prior art, this application provides a tele lens structure, the structure includes: a lens barrel, a lens member, a motor base, a photosensitive member; the lens component, the motor base and the photosensitive component are arranged in the lens barrel, the motor base is arranged between the lens component and the photosensitive component, partial light enters from the light inlet end of the lens barrel, passes through the lens component, is reflected by the inner wall of the motor base and then enters the photosensitive component, and the surface of the inner wall of the motor base is a rough surface with the roughness exceeding a preset value. The incident light is scattered through the rough surface, so that the effect of weakening stray light and light spots is achieved, the light spots or the stray light are greatly eliminated, the shooting quality is improved, and the problem that the stray light or the light spots generated by the shooting of the telephoto lens in the prior art influence the shooting quality is solved.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic diagram of one embodiment of a structure described herein;

FIG. 2 is a schematic view of one embodiment of the formation of structured light spots or veiling glare as described herein;

FIG. 3 is a schematic diagram of one embodiment of a rough surface dispersing optical path of the structure described herein.

The same or similar reference numbers in the drawings identify the same or similar elements.

Detailed Description

The application provides a tele lens structure, the structure includes: a lens barrel, a lens member, a motor base, a photosensitive member; the lens component, the motor base and the photosensitive component are arranged in the lens barrel, the motor base is arranged between the lens component and the photosensitive component, part of light enters from the light inlet end of the lens barrel, passes through the lens component and is incident to the photosensitive component after being reflected by the inner wall of the motor base, and the surface of the inner wall of the motor base is a rough surface with roughness exceeding a preset value.

The above structure of the present application is further described below with reference to fig. 1.

The structure of the telephoto lens described in the present application relates to the lens barrel 1, the lens member 2, the motor base 32, the photosensitive member 4. The lens part 2, the motor base 32 and the photosensitive part 4 are all arranged in the lens barrel, the lens part 2 is positioned at the light inlet end of the lens barrel 1, light is transmitted to the photosensitive part 4 for imaging through the lens part 2 in the light inlet end of the lens barrel 1, and the motor base 32 is arranged between the lens part 2 and the photosensitive part 4. A motor base 32 is generally disposed between the lens member 2 and the photosensitive member 4, and the motor 31 is used for focusing. In the process of image formation, as shown by black arrows in fig. 2, when light propagates through the lens component 2 toward the photosensitive component 4, the light paths are not all parallel, and the light propagates in all directions by part of the light, wherein part of the light propagates to the motor base 32 and is reflected to the photosensitive component 4 through the motor base 32, and the part of the light forms a spot or stray light when the photosensitive component 4 forms an image, or obscures a shot picture. As shown in fig. 3, the inner wall surface of the motor base 32 in the present application is a rough surface whose roughness exceeds a predetermined value, so that when light travels to the motor base 32 through the lens member 2 and is reflected by the rough surface of the motor base 32, the reflection surfaces of different angles present in the rough surface reflect the reflected light toward different angles to scatter the light traveling to the motor base 32 to reduce the light reflected into the photosensitive member 4 by the motor base 32, thereby reducing flare or flare at the time of imaging.

In some embodiments of the present application, the structure further comprises: the surfaces of other non-light-transmitting members exposed between the lens member and the photosensitive member optical path are rough surfaces having a roughness exceeding a preset value.

There may be many light paths in different directions on the light path of light traveling between the lens member 2 and the photosensitive member 4, and these light paths may reflect light rays that meet the surface of any device between the lens member 2 and the photosensitive member 4, and a part of these light rays may be reflected into the photosensitive member 4 to form a light spot or stray light at the time of image formation, so that providing the surfaces of other non-light-transmitting members between the lens member 2 and the photosensitive member 4, which are members for excluding the members that need to transmit light to process light, as a rough surface prevents the surfaces of the other members from causing the light spot or stray light at the time of image formation.

In some embodiments of the present application, the rough surface has a roughness at least exceeding VDI21 in the VDI3400 standard.

The roughness of the rough surface can be set by the VDI3400 standard, at least exceeding the VDI21 in the VDI3400 standard.

In some embodiments of the present application, the roughness of the rough surface ranges from VDI21 to VDI24 in the VDI3400 standard.

In some embodiments of the present application, the roughened surface is serrated.

The rough surface is arranged to be a sawtooth shape, so that the included angle between the reflecting surface used for reflecting light in the rough surface and the light can be reduced, the light is reflected and then the photosensitive component is avoided, and the formation of light spots or stray light is greatly reduced.

In some embodiments of the present application, the structure further includes a periscopic component disposed between the light-entering end of the lens barrel and the lens component, so that light enters the lens component after entering from the light-entering end of the lens barrel and being reflected by a surface of the periscopic component, and the surface of the periscopic component is a smooth surface.

The application telephoto lens structure further includes a periscopic component 5, the periscopic component is disposed at the light inlet end of the lens barrel 1, and can be disposed before the light inlet end of the lens barrel 1, and also can be disposed between the light inlet end of the lens barrel 1 and the lens component 2, and the periscopic component 5 transmits light to the lens component 2, wherein the surface of the periscopic component 5 is a smooth surface. The lens structure is applied to the periscope, so that the imaging of the periscope is clearer, and the visual field is better.

In some embodiments of the present application, the periscope assembly is integrally designed with the lens barrel.

In some embodiments of the present application, the lens component comprises a plurality of lenses.

The lens part 2 may be a combination of a plurality of lenses, zooming may be performed by adjusting a distance between the lenses, or other imaging effects may be achieved.

In some embodiments of the present application, the photosensitive member is a photosensitive chip.

In some embodiments of the present application, the motor mount is integrally designed with the lens part and/or the lens barrel.

The motor base 32, the lens component 4 and the lens barrel 1 are designed integrally, so that the light path can be controlled more accurately, and the effect of fewer light spots or stray light is better.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned. Furthermore, it is obvious that the word "comprising" does not exclude other elements or steps, and the singular does not exclude the plural. A plurality of units or means recited in the apparatus claims may also be implemented by one unit or means in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.

Claims

1. A tele lens structure, the structure comprising: a lens barrel, a lens member, a motor base, a photosensitive member;

the lens component, the motor base and the photosensitive component are arranged in the lens barrel, the motor base is arranged between the lens component and the photosensitive component, the inner wall surface of the motor base is a rough surface with the roughness exceeding a preset value, and partial light enters from the light inlet end of the lens barrel, passes through the lens component, is reflected by the inner wall of the motor base and then enters the photosensitive component.

2. The structure of claim 1, further comprising:

3. The structure of claim 1, wherein the rough surface has a roughness at least exceeding VDI21 in VDI3400 standard.

4. The structure of claim 3, wherein the roughness of the rough surface ranges from VDI21 to VDI24 in VDI3400 standard.

5. The structure of claim 1, wherein the rough surface is serrated.

6. The structure according to claim 1, further comprising a periscopic component, wherein the periscopic component is arranged between the light-entering end of the lens barrel and the lens component, and the surface of the periscopic component is a smooth surface, so that light rays entering from the light-entering end of the lens barrel are reflected by the surface of the periscopic component and then enter the lens component.

7. The structure of claim 6, wherein the periscope assembly is integrally designed with the barrel.

8. The structure of claim 1, wherein the lens component comprises a plurality of lenses.

9. A structure according to claim 1, characterized in that said photosensitive member is a photosensitive chip.

10. The structure of claim 1, wherein the motor base is integrally designed with the lens member and/or the lens barrel.