CN107728283A - The white fish eye lens of leakproof - Google Patents
The white fish eye lens of leakproof Download PDFInfo
- Publication number
- CN107728283A CN107728283A CN201711190895.XA CN201711190895A CN107728283A CN 107728283 A CN107728283 A CN 107728283A CN 201711190895 A CN201711190895 A CN 201711190895A CN 107728283 A CN107728283 A CN 107728283A
- Authority
- CN
- China
- Prior art keywords
- lens
- ring
- fish eye
- white fish
- leakproof
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/021—Mountings, adjusting means, or light-tight connections, for optical elements for lenses for more than one lens
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/026—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using retaining rings or springs
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The application is related to camera lens, more particularly to the white fish eye lens of leakproof.Including body tube, the middle part of the body tube, which has, penetrates its both sides installation cavity, the left end of the body tube is provided with the installation portion for being used for installing eyeglass, the installation portion is provided with and is sequentially provided with the first lens, the second lens and the 3rd lens from left to right, 3rd lens are located in the installation cavity and its side is close to the side of the second lens, and are provided with light shield layer between second lens and the 3rd lens.By adding light shield layer between the two panels mounted lens that are contacted with each other in lens barrel, it can so play a part of playing buffering in camera lens installation process, avoid the direct contact of two lens, also mutually direct collision friction it will not cause the damage of layer of ink in compaction process, and the lighttight characteristic of light shield layer itself is utilized, leak white bad phenomenon so as to effectively improve camera lens.
Description
【Technical field】
The application is related to camera lens, more particularly to the white fish eye lens of leakproof.
【Background technology】
When multi-disc lens are installed in lens barrel, the contact mounting surfaces of the two panels lens being in contact all is made platform, and
Inking is applied on platform and carrys out the white phenomenon of anti-leak-stopping.But it is more coarse for the surface of in general camera lens mounting platform, pacify compressing
During dress, the mutual collision friction of contact surface for the eyeglass being in contact, easily cause the layer of ink for wearing away platform surface, ultimately result in mirror
Head occurs leaking white bad phenomenon, influences the optical property of camera lens.Especially for fish eye lens, its angle of visual field is wide, to optical
It can require high, leaking white phenomenon can extreme influence image quality.
【The content of the invention】
To solve the problems, such as that fish eye lens easily occurs leaking white bad phenomenon in the prior art, this application provides structure compared with
For the white fish eye lens of simple leakproof.
The application is achieved through the following technical solutions：
The white fish eye lens of leakproof, including body tube, the middle part of the body tube, which has, penetrates its both sides installation cavity, the master
The left end of lens barrel, which is provided with, is used to installing the installation portion of eyeglass, the installation portion be provided be sequentially provided with from left to right the first lens,
Second lens and the 3rd lens, the 3rd lens are located in the installation cavity and its side and the side of the second lens are tight
Patch, and it is provided with light shield layer between second lens and the 3rd lens.
The white fish eye lens of leakproof as described above, the light shield layer at least connecing located at second lens and the 3rd lens
In contacting surface.
The white fish eye lens of leakproof as described above, the thickness of the light shield layer is 0.03~0.05mm.
The white fish eye lens of leakproof as described above, the light shield layer are the light-shielding sheet using SOMA materials.
The white fish eye lens of leakproof as described above, the installation portion are the flange positioned at the body tube left end, and flange
Periphery be provided with the annular wall that extends to the left, the annular wall surrounds the first bayonet socket, and first lens are arranged on the first card
On mouth, the left side of the flange is provided with the annular projection extended to the left, and the annular projection surrounds the second bayonet socket, and described the
Two lens are arranged at second bayonet socket.
The white fish eye lens of leakproof as described above, first bayonet socket, the second bayonet socket connect and coaxial with the installation cavity.
The white fish eye lens of leakproof as described above, it is additionally provided with for the second lens to be pressed on into the second card on the installation portion
Intraoral annular fastener, the annular fastener include the heavy wall ring between the annular wall and the annular projection and set
Hold-down ring in the heavy wall ring inner ring.
The white fish eye lens of leakproof as described above, the thickness of the hold-down ring are less than the thickness of heavy wall ring, the hold-down ring
Left side flushed with the left side of the heavy wall ring and the distance of right side of the right side of hold-down ring away from the heavy wall ring extremely
It is more than the height of the annular projection less.
The white fish eye lens of leakproof as described above, the right-hand member of first lens, which is provided with, coordinates plane, the annular fastener
Left end be also plane, the periphery of second lens is provided with ring-type neck, and the hold-down ring of the annular fastener can be pressed in institute
State on ring-type neck.
The white fish eye lens of leakproof as described above, the object planes of the first lens is convex surface, image planes are concave surface, second lens
Object plane be convex surface, image planes be concave surface, the object planes of the 3rd lens is concave surface, image planes are concave surface.
Compared with prior art, the application has the following advantages：
1st, this application provides the white fish eye lens of leakproof, by between the two panels mounted lens that are contacted with each other in lens barrel plus
Enter light shield layer, can so play a part of playing buffering in camera lens installation process, avoid the direct contact of two lens, i.e.,
Make that also mutually direct collision friction the damage of layer of ink will not be caused in compaction process, and utilize light shield layer itself lighttight
Characteristic, leak white bad phenomenon so as to effectively improve camera lens.
2nd, the overall structure of the application is simple, and lens are easy for installation, can lift efficiency of assembling.
【Brief description of the drawings】
In order to illustrate more clearly of the technical scheme in the embodiment of the present application, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present application, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the application leakproof fish-eye structural representation in vain.
【Embodiment】
In order that technical problem, technical scheme and beneficial effect that the application solves are more clearly understood, below in conjunction with
Drawings and Examples, the application is further elaborated.It should be appreciated that specific embodiment described herein is only used
To explain the application, it is not used to limit the application.
The application is achieved through the following technical solutions：
As shown in figure 1, the white fish eye lens of leakproof, including body tube 1, the middle part of the body tube 1, which has, penetrates its both sides
Installation cavity 101, the left end of the body tube 1 are provided with the installation portion 11 for being used for installing eyeglass, and the installation portion 11 is provided with from a left side
The first lens 21, the second lens 22 and the 3rd lens 23 are sequentially provided with to the right side, the 3rd lens 23 are located at the installation cavity
In 101 and its side is close to the side of the second lens 22, and is provided with shading between the lens 23 of second lens 22 and the 3rd
Layer 3.This application provides the white fish eye lens of leakproof, by adding shading between the two panels mounted lens that are contacted with each other in lens barrel
Layer, can so play a part of playing buffering in camera lens installation process, the direct contact of two lens be avoided, even in pressure
It also mutually direct collision friction will not cause the damage of layer of ink during tight, and utilize the lighttight characteristic of light shield layer itself,
White bad phenomenon is leaked so as to effectively improve camera lens.
Wherein, the light shield layer 3 is at least on the contact surface of the lens 23 of the second lens 22 and the 3rd.Certainly, exist
During actual installation, assemble for convenience, the size of this usual light shield layer is typically made (pacifies with the contact site area of lens
Assembling platform) size.
In addition, light shield layer 3 solves the early stage of blacking color ink on eyeglass well using light-shielding sheet made of SOMA materials
Trouble caused by water.
Further, the thickness of the light shield layer 3 is 0.03~0.05mm.It is preferred that using 0.03mm thickness, it is so most
The gap that may be reduced between two lens, the performance of whole optical system is not influenceed.
Specifically, the concrete structure of installation portion is that the installation portion 11 is the flange 102 positioned at the left end of body tube 1,
And the periphery of flange 102 is provided with the annular wall 103 extended to the left, the annular wall 103 surrounds the first bayonet socket, and described first is saturating
Mirror 21 is arranged on the first bayonet socket, and the left side of the flange 102 is provided with the annular projection 104 extended to the left, the ring-type
Projection 104 surrounds the second bayonet socket, and second lens are arranged at second bayonet socket.It is additionally provided with and is used on the installation portion 11
The annular fastener 4 second lens 22 being pressed in the second bayonet socket, the annular fastener 4 include positioned at the annular wall 103 with
Heavy wall ring 41 between the annular projection 104 and the hold-down ring 42 in the inner ring of heavy wall ring 41.The hold-down ring
42 thickness is less than the thickness of heavy wall ring 41, and the left side of the hold-down ring 42 flushes and pressed with the left side of the heavy wall ring 41
Height of the distance of tight right side of the right side of ring 42 away from the heavy wall ring 41 at least above the annular projection 104.It is convenient
Installation, be advantageous to improve installation effectiveness.
More specifically, first bayonet socket, the second bayonet socket connect and coaxially with the installation cavity 101.So it is able to ensure that
Optical system will not be eccentric.Be advantageous to improve image quality.
Wherein, the right-hand member of first lens 21, which is provided with, coordinates plane 211, and the left end of the annular fastener 4 is also plane,
The periphery of second lens 22 is provided with ring-type neck 221, and the hold-down ring 42 of the annular fastener 4 can be pressed in the ring-type card
On groove 221.First lens 21 be arranged on the first bayonet socket on be top pressure on the left side of hold-down ring 42, by suppressing first
Lens 21, it is the top pressure hold-down ring 42 of the first lens 21, so that hold-down ring 42 compresses the second lens 22 with the 3rd lens 23.
Specifically, the object plane 212 of first lens 21 be convex surface, image planes 213 be concave surface, the thing of second lens 22
Face 222 is convex surface, image planes 223 are concave surface, and the object planes 232 of the 3rd lens 23 is concave surface, image planes 233 are concave surface.Be advantageous to
Make fish eye optical systems imaging clearly.
In addition, the right-hand member of the body tube 1 is provided with threaded mounting portion, it is to be opened on the right-hand member inwall of installation cavity 101
If internal thread installation portion, be attached to available for casting die is coordinated on miscellaneous part in right-hand member mounted lens or by lens barrel.
This application provides the white fish eye lens of leakproof, by being added between the two panels mounted lens that are contacted with each other in lens barrel
Light shield layer, it can so play a part of playing buffering in camera lens installation process, avoid the direct contact of two lens, even if
It also mutually direct collision friction will not cause the damage of layer of ink in compaction process, and utilize the lighttight spy of light shield layer itself
Property, leak white bad phenomenon so as to effectively improve camera lens.
It is to combine one or more embodiments that particular content provides as described above, does not assert the specific reality of the application
Apply and be confined to these explanations.It is all approximate with the present processes, structure etc., identical, or under the application concept thereof
Make some technologies to deduce, or replace the protection domain that should be all considered as the application.
Claims (9)
1. the white fish eye lens of leakproof, including body tube (1), the middle part of the body tube (1), which has, penetrates its both sides installation cavity
(101), the left end of the body tube (1) is provided with the installation portion (11) for being used for installing eyeglass, it is characterised in that the installation portion
(11) it is provided with and is sequentially provided with the first lens (21), the second lens (22) and the 3rd lens (23) from left to right, the described 3rd
Lens (23) are located in the installation cavity (101) and its side is close to the side of the second lens (22), and second lens
(22) light shield layer (3) is provided between the 3rd lens (23).
2. the white fish eye lens of leakproof according to claim 1, it is characterised in that the light shield layer (3) is at least located at described
On the contact surface of second lens (22) and the 3rd lens (23).
3. the white fish eye lens of leakproof according to claim 2, it is characterised in that the thickness of the light shield layer (3) is 0.03
~0.05mm.
4. the white fish eye lens of leakproof according to claim 1, it is characterised in that the installation portion (11) is positioned at the master
The flange (102) of lens barrel (1) left end, and the periphery of flange (102) is provided with the annular wall (103) extended to the left, the ring-type
Wall (103) surrounds the first bayonet socket, and first lens (21) are arranged on the first bayonet socket, on the left side of the flange (102)
Provided with the annular projection (104) extended to the left, the annular projection (104) surrounds the second bayonet socket, and second lens are arranged on
At second bayonet socket.
5. the white fish eye lens of leakproof according to claim 4, it is characterised in that first bayonet socket, the second bayonet socket and institute
State installation cavity (101) connection and coaxial.
6. the white fish eye lens of leakproof according to claim 4, it is characterised in that be additionally provided with and be used on the installation portion (11)
The annular fastener (4) second lens (22) being pressed in the second bayonet socket, the annular fastener (4) include being located at the annular wall
(103) the heavy wall ring (41) between the annular projection (104) and the hold-down ring in heavy wall ring (41) inner ring
(42)。
7. the white fish eye lens of leakproof according to claim 6, it is characterised in that the thickness of the hold-down ring (42) is less than thickness
The thickness of wall ring (41), the left side of the hold-down ring (42) is flushed with the left side of the heavy wall ring (41) and hold-down ring (42)
Right side of the right side away from the heavy wall ring (41) distance at least above the annular projection (104) height.
8. the white fish eye lens of leakproof according to claim 6, it is characterised in that the right-hand member of first lens (21) is provided with
Coordinate plane (211), the left end of the annular fastener (4) is also plane, and the periphery of second lens (22) is provided with ring-type
Neck (221), the hold-down ring (42) of the annular fastener (4) can be pressed on the ring-type neck (221).
9. the white fish eye lens of leakproof according to claim 1, it is characterised in that the object plane (212) of the first lens (21) is
Convex surface, image planes (213) they are concave surface, and the object planes (222) of second lens (22) is convex surface, image planes (223) are concave surface, described
The object plane (232) of three lens (23) is concave surface, image planes (233) are concave surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711190895.XA CN107728283A (en) | 2017-11-24 | 2017-11-24 | The white fish eye lens of leakproof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711190895.XA CN107728283A (en) | 2017-11-24 | 2017-11-24 | The white fish eye lens of leakproof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107728283A true CN107728283A (en) | 2018-02-23 |
Family
ID=61218424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711190895.XA Pending CN107728283A (en) | 2017-11-24 | 2017-11-24 | The white fish eye lens of leakproof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107728283A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955009A (en) * | 2019-12-20 | 2020-04-03 | 瑞声通讯科技(常州)有限公司 | Lens structure and ink coating method |
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| CN206362996U (en) * | 2016-12-30 | 2017-07-28 | 上饶市宇瞳光学有限公司 | Mirrors and the novel lens using the mirrors |
| CN207689734U (en) * | 2017-11-24 | 2018-08-03 | 中山依瓦塔光学有限公司 | The white fish eye lens of leakproof |
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2017
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| JP2000101517A (en) * | 1998-07-21 | 2000-04-07 | Asahi Precision Co Ltd | Transmission/reception integrated optical communication equipment |
| US20060024044A1 (en) * | 2004-07-29 | 2006-02-02 | Hideyasu Takato | Finder optical system for a single-lens reflex camera |
| CN201017093Y (en) * | 2007-03-21 | 2008-02-06 | 中山联合光电科技有限公司 | High imagery quality optical lens of full plastics aspheric lens structure |
| CN102955216A (en) * | 2011-08-29 | 2013-03-06 | 鸿富锦精密工业（深圳）有限公司 | Lens module |
| CN202393962U (en) * | 2011-11-24 | 2012-08-22 | 比亚迪股份有限公司 | High pixel optical imaging lens |
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| CN102928959A (en) * | 2012-10-20 | 2013-02-13 | 中山联合光电科技有限公司 | High-pixel and small-size optical system |
| CN104808314A (en) * | 2015-05-15 | 2015-07-29 | 福建福光数码科技有限公司 | Fisheye lens adapted to high-pixel large-target-surface chip |
| CN204719317U (en) * | 2015-06-12 | 2015-10-21 | 武汉赫天光电股份有限公司 | Day and night high definition fish eye lens |
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| CN105652414A (en) * | 2016-03-28 | 2016-06-08 | 中山依瓦塔光学有限公司 | Fisheye lens purple boundary removal optical system and camera lens with same |
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Application publication date: 20180223 |
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