CN110146960A - Connection structure, adapter ring, filter, lens cap and filter group - Google Patents
Connection structure, adapter ring, filter, lens cap and filter group Download PDFInfo
- Publication number
- CN110146960A CN110146960A CN201910436301.1A CN201910436301A CN110146960A CN 110146960 A CN110146960 A CN 110146960A CN 201910436301 A CN201910436301 A CN 201910436301A CN 110146960 A CN110146960 A CN 110146960A
- Authority
- CN
- China
- Prior art keywords
- ring
- connection
- clamping block
- filter
- connection structure
- 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
- 238000005452 bending Methods 0.000 claims description 18
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 8
- 238000003780 insertion Methods 0.000 abstract description 5
- 230000037431 insertion Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/006—Filter holders
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B11/00—Filters or other obturators specially adapted for photographic purposes
- G03B11/04—Hoods or caps for eliminating unwanted light from lenses, viewfinders or focusing aids
- G03B11/041—Lens caps as separate accessory
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention discloses connection structure, adapter ring, filter, lens cap and filter group, connection structure therein includes the connection ring for connecting with lens barrel, and the outer wall of the connection ring is provided with several telescopic clamping blocks, when installation, connection ring is embedded into lens barrel, during insertion, clamping block is shunk, after being completely embedded into lens barrel, clamping block, which is stretched out and is caught in screw thread, to be fixed, and when disassembly, is directly extracted connection ring, clamping block is shunk, and deviates from entire connection ring from lens barrel.It is clamped using between clamping block and the screw thread of lens barrel, realizes fast mounting-dismounting, be easy to use.
Description
Technical field
The present invention relates to field of cameras, especially connection structure, adapter ring, filter, lens cap and filter groups.
Background technique
Currently, filter, adapter ring or lens cap in the market is usually to carry out corresponding design, setting according to the screw thread of lens barrel
Filter is embedded on camera lens by corresponding external screw thread, but the method for this assembling, is easy to cause the spiral shell of external screw thread and lens barrel
Line cannot exactly match, and cause filter, adapter ring or lens cap to twist not tight or stuck situation hair as the diameter of thread mismatches
It is raw, it is not easy to dismount.
Summary of the invention
The present invention is directed to solve one of above-mentioned technical problem in the related technology at least to a certain extent.For this purpose, this hair
Bright convenient connection structure, adapter ring, filter, lens cap and the filter group dismounted on camera lens of proposition.
The technical solution adopted by the present invention to solve the technical problems is:
Connection structure, including the connection ring for connecting with lens barrel, the outer wall of the connection ring, which is provided with several, to be stretched
The clamping block of contracting.
The beneficial effects of the present invention are: connection ring is embedded into lens barrel when installation, during insertion, clamping block
It shrinks, after being completely embedded into lens barrel, clamping block, which is stretched out and is caught in screw thread, to be fixed, and when disassembly, is directly pulled out connection ring
Out, clamping block is shunk, and deviates from entire connection ring from lens barrel.It is clamped using between clamping block and screw thread, realizes fast mounting-dismounting,
It is convenient to use.
As an improvement of the above technical solution, the clamping block includes the bending that the outer wall of the connection ring is arranged in, institute
It states the middle bent of bending and protrudes outward, at least one end of the bending is fixed on the outer wall of the connection ring.
As an improvement of the above technical solution, the outer wall setting of the connection ring is fluted, and the clamping block is embedded in institute
It states in groove, is connected with buffer gear between the clamping block and the groove.Clamping block slides in a groove, and utilizes buffering
Mechanism ejects clamping block, makes clamping block and screw thread clamping, improves stability.
As a further improvement of the above technical scheme, what the clamping block was exposed is arranged to spherical surface on one side.Spherical surface be in
The screw thread on inclined-plane offsets, and improves stability.
Further, the buffer gear includes spring, sponge or rubber.It should be noted that preferably, spring is selected to connect
It connects between bottom portion of groove and the bottom of clamping block.
The side of the connection ring is arranged in adapter ring, the connection structure including flange and any of the above-described kind, the flange.
The utility model has the advantages that being clamped using between clamping block and screw thread, fast mounting-dismounting is realized, be easy to use.
Further, the first screw thread is provided on the inside of the flange.Preferably, the embeddable filter of flange, and cooperate first
Screw thread is attached.
Further, the circle that is magnetic is arranged in the bottom of the flange.Cooperate filter made of metal, using magnetism circle to filter
Mirror is fixed.
Filter, including any of the above-described kind of connection structure, fixed ring and eyeglass, the eyeglass is mounted on the fixed ring
On, the fixed ring is fixedly connected with the connection ring.
The utility model has the advantages that being clamped using between clamping block and screw thread, fast mounting-dismounting is realized, be easy to use.
Further, the fixed ring embeddable connection ring is provided with the second screw thread on the inside of the fixed ring.It will be even
It connects in ring insertion fixed ring, multiple filter superpositions can be made to use, while realizing that filter is folded using clamping block and the clamping of the second screw thread
The fast mounting-dismounting of added-time is easy to use.
Further, the bottom of the fixed ring is provided with magnet ring, and the magnet ring is covered on the eyeglass and described in compressing
Eyeglass, the connection ring include metal.Connection ring is embedded in fixed ring and connection ring is allowed to offset with magnet ring, is adsorbed and is connected using magnet ring
Ring is connect, realizes superposition.
Lens cap including any of the above-described kind of connection structure and is covered on the baffle of lens barrel front end.
The utility model has the advantages that being clamped using between clamping block and screw thread, fast mounting-dismounting is realized, be easy to use.
Filter group, including multiple filters, the filter include any of the above-described kind of connection structure, fixed ring and eyeglass, described
Eyeglass is mounted in the fixed ring, and the fixed ring is fixedly connected with the connection ring, is provided on the inside of the fixed ring
Second screw thread, multiple filters stack, and are mutually interconnected by second screw thread with clamping block between the two neighboring filter
It connects.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram between the embodiment one of the connection structure in the present invention and lens barrel；
Fig. 2 is the structural schematic diagram between the embodiment two of the connection structure in the present invention and lens barrel
Fig. 3 is the structural schematic diagram of the embodiment one of the adapter ring in the present invention；
Fig. 4 is the structural schematic diagram of the inside of the embodiment one of the adapter ring in the present invention；
Fig. 5 is the structural schematic diagram of the embodiment two of the adapter ring in the present invention；
Fig. 6 is the structural schematic diagram of the inside of the embodiment two of the adapter ring in the present invention；
Fig. 7 is a kind of mounting means of the adapter ring and filter in the present invention；
Fig. 8 is another mounting means of the adapter ring and filter in the present invention；
Fig. 9 is a kind of structural schematic diagram of embodiment of the filter in the present invention；
Figure 10 is a kind of structural schematic diagram of the inside of embodiment of the filter in the present invention；
Figure 11 is the structural schematic diagram of the lens cap in the present invention；
Figure 12 is a kind of scheme of installation of embodiment of the filter group in the present invention；
Figure 13 is the structural schematic diagram of the quasi- embodiment three got married in the present invention；
Figure 14 is the structural schematic diagram of the inside of the embodiment three of the adapter ring in the present invention.
Specific embodiment
Referring to FIG. 1 and FIG. 2, connection structure 10 of the invention, including the connection ring 11 for being connect with lens barrel 4, the company
The outer wall for connecing ring 11 is provided with several telescopic clamping blocks 12.
When installation, connection ring 11 is embedded into lens barrel 4, during insertion, clamping block 12 is shunk, when being completely embedded into
After in lens barrel 4, clamping block 12 stretches out and is caught in screw thread and is fixed, and when disassembly, directly extracts connection ring 11, clamping block 12
It shrinks, deviates from entire connection ring 11 from lens barrel 4.It is clamped using between clamping block 12 and screw thread, realizes fast mounting-dismounting, it is convenient
It uses.
As an improvement of the above technical solution, the embodiment one of the connection structure 10 in the present invention, referring to Fig.1, the card
Connecing block 12 includes the bending that the outer wall of the connection ring 11 is arranged in, and the middle bent of the bending simultaneously protrudes outward, described curved
At least one end of piece is fixed on the outer wall of the connection ring 11.
Preferably, the curved part of the bending is at an angle, when the curved part of bending is caught in the internal screw thread of lens barrel 4
When, it completes to connect and fix, and curved bending has certain deformation effects, when needing dismantling connection ring 11, by connection ring
11 extract outward, and bending deformation simultaneously keeps connection ring 11 completely out.
Preferably, which generally selects the flexible material such as iron plate, aluminium flake, it is of course also possible to select rubber etc.
Material is made.And at least one end of bending is fixed in connection ring 11, it can be in the present embodiment, excellent by modes such as welding
First the both ends of bending are arranged in connection ring 11 using integrally formed method.
As an improvement of the above technical solution, the embodiment two of the connection structure 10 in the present invention, referring to Fig. 2, the company
The outer wall setting for connecing ring 11 is fluted, and the clamping block 12 is embedded in the groove, the clamping block 12 and the groove it
Between be connected with buffer gear.Clamping block 12 slides in a groove, and is ejected clamping block 12 using buffer gear, makes clamping block 12
With screw thread clamping, stability is improved.
The further improvement of embodiment two as above-mentioned connection structure 10, referring to Fig. 3, the clamping block 12 it is exposed one
Face is arranged to spherical surface.Spherical surface offsets in the screw thread on inclined-plane, improves stability.
Preferably, exposed one side, which is not only only provided to spherical surface, could complete to be clamped, and can partly or entirely be embedded in lens barrel 4
The shape of the recess of screw thread belongs to the optional embodiment of the application.
In certain embodiments, the buffer gear includes spring 13, sponge or rubber.In the present invention, it is preferred to choosing
Spring 13 is selected to be connected between bottom portion of groove and the bottom of clamping block 12.
It should be noted that in certain embodiments, the clamping block 12 can be the outer wall that the connection ring 11 is arranged in
On rubber bumps, when filling in lens barrel 4, rubber bumps are extruded and offset and be clamped with the internal screw thread on 4 inner wall of lens barrel, into
And it fixes.
It is described convex referring to Fig. 3~Fig. 6, Figure 13 and Figure 14, adapter ring 1 of the invention, including flange 20 and connection structure 10
The side of the connection ring 11 is arranged in edge 20.Connection structure 10 includes the connection ring 11 for connecting with lens barrel 4, the connection
The outer wall of ring 11 is provided with several telescopic clamping blocks 12.
When installation, connection ring 11 is embedded into lens barrel 4, during insertion, clamping block 12 is shunk, when being completely embedded into
After in lens barrel 4, clamping block 12 stretches out and is caught in screw thread and is fixed, and when disassembly, directly extracts connection ring 11, clamping block 12
It shrinks, deviates from entire connection ring 11 from lens barrel 4.It is clamped using between clamping block 12 and screw thread, realizes the fast-assembling on lens barrel 4
Quick Release adapter ring 1 is easy to use.
After adapter ring 1 is accessed lens barrel 4, it is embedded in filter 2 in flange 20, the installation of filter 2 can be completed, it is preferable that
Referring to Fig. 4, the embodiment one of the adapter ring 1 in the present invention, the inside of flange 20 is provided with the first screw thread 21, cooperates existing band
There is externally threaded filter 2 that installation is fixed.
Preferably, the outer wall setting of the connection ring 11 is fluted, and the clamping block 12 is embedded in the groove, described
Buffer gear is connected between clamping block 12 and the groove.Clamping block 12 slides in a groove, when by connection ring 11 be embedded in mirror
Cylinder 4 in when, clamping block 12 is ejected using buffer gear, make clamping block 12 be caught in screw thread and with screw thread clamping, improve stablize
Property.
Existing filter 2 is usually metal shell, it is preferable that referring to Fig. 6, the embodiment two of the adapter ring 1 in the present invention,
The circle 22 that is magnetic is arranged in the bottom of the flange 20.Cooperate filter 2 made of metal, encloses 22 pairs of filters 2 using magnetism and carry out
It is fixed.
In certain embodiments, 3 and Figure 14 referring to Fig.1, the embodiment three of the adapter ring 1 in the present invention, the clamping block
12 include the bending that the outer wall of the connection ring 11 is arranged in, and the middle bent of the bending simultaneously protrudes outward, the bending
Middle bent simultaneously protrudes outward, and at least one end of the bending is fixed on the outer wall of the connection ring 11.
Preferably, in above-mentioned 1 embodiment one, two and three of adapter ring, connection ring 11 and flange 20 are integrally formed.
Referring to Fig. 9~Figure 10, filter 2 of the invention, including connection structure 10, fixed ring 30 and eyeglass 32, the eyeglass
32 are mounted in the fixed ring 30, and connection structure 10 includes the connection ring 11 for connecting with lens barrel 4, the connection ring 11
Outer wall is provided with several telescopic clamping blocks 12, and the fixed ring 30 is fixedly connected with the connection ring 11.Preferably, originally
In embodiment, fixed ring 30 and connection ring 11 are integrally formed.
Preferably, the eyeglass 32 includes gradual change mirror, scrim, infrared filter, multi-picture mirror, dim light mirror, star sensor, polarization
One or more of mirror or protective glass.
It is clamped using between clamping block 12 and screw thread, realizes the fast mounting-dismounting filter 2 on lens barrel 4, be easy to use.
Preferably, the embeddable connection ring 11 of the fixed ring 30.Connection ring 11 is embedded in fixed ring 30, can be made more
A superposition of filter 2 uses.
Referring to Fig.1 0, it is preferable that the inside of the fixed ring 30 is provided with the second screw thread.
Referring to Fig.1 2, a kind of installation embodiment of filter group utilizes clamping block 12 and the second screw thread clamping reality in superposition
Fast mounting-dismounting between existing filter 2 and filter 2, is easy to use.And being overlapped mutually between filter 2, user can be allowed to shoot
When photo, by being superimposed the filter 2 of multiple and different effects, the photo of more kinds of shooting effects is taken.
In certain embodiments, referring to Fig. 9 and Figure 10, for fixing len 32, the top of the eyeglass 32 is covered with pressure
Ring 31, for compressing eyeglass 32, referring to Fig.1 0, in certain embodiments, the pressure ring 31 is set as magnet ring, the magnet ring covering
On the eyeglass 32 and the eyeglass 32 is compressed, the connection ring 11 includes metal.Connection ring 11 is embedded in fixed ring 30 simultaneously
It allows connection ring 11 to offset with magnet ring, connection ring 11 is adsorbed using magnet ring, to realize superposition.
In the present embodiment, the outer wall of pressure ring 31 is provided with third screw thread, and engages with the second screw thread in fixed ring 30
It is fixed, and the eyeglass of lower section 32 is compressed.
And should be noted that in some embodiments, can also by be arranged in fixed ring 30 modes such as recess come
Fixing len 32.
In addition, in certain embodiments, only cooperate magnet ring that connection can be realized by the connection ring 11 of metal, it conveniently and can
It leans on.Certainly, only only clamping block 12 and the second screw thread are clamped and can also be overlapped.
Referring to Fig. 7, the embodiment one of screwed filter 2 and adapter ring 1 of the invention is assembled, in addition, this hair
Filter 2 in bright can also be real in the first screw thread 21 in the embodiment one by the way that clamping block 12 to be caught in adapter ring 1 of the invention
Existing fast mounting-dismounting；It referring to Fig. 8, is assembled, is led to for the embodiment two without threaded filter 2 and adapter ring 1 of the invention
The bottom for crossing magnetic circle 22 and filter 2 is mutually adsorbed, and realizes connection.
Referring to Fig.1 1, lens cap 3, lens cap, connection structure 10 and the baffle 41 for being covered on 4 front end of lens barrel.Connection structure
10 include the connection ring 11 for connecting with lens barrel 4, and the outer wall of the connection ring 11 is provided with several telescopic clamping blocks
12.It is clamped using between clamping block 12 and screw thread, realizes fast mounting-dismounting, be easy to use.Preferably, the baffle 41 and adapter ring 11
It is integrally formed, after adapter ring 11 is caught in lens barrel 4, baffle 41 is covered on 4 front end of lens barrel, protects lens barrel 4.
The above specific structure and dimension data are to be illustrated to presently preferred embodiments of the present invention, but the present invention creates
It makes and is not limited to the specific embodiments, those skilled in the art can also make kind on the premise of without prejudice to spirit of the invention
The equivalent deformation or replacement of kind, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.
Claims (13)
1. connection structure, it is characterised in that: including the connection ring for being connect with lens barrel, if the outer wall of the connection ring is provided with
Dry telescopic clamping block.
2. connection structure according to claim 1, it is characterised in that: the clamping block includes that the connection ring is arranged in
The bending of outer wall, the middle bent of the bending simultaneously protrude outward, and at least one end of the bending is fixed on the connection ring
Outer wall.
3. connection structure according to claim 1, it is characterised in that: the outer wall setting of the connection ring is fluted, described
Clamping block is embedded in the groove, is connected with buffer gear between the clamping block and the groove.
4. connection structure according to claim 1 or 3, it is characterised in that: balling-up is arranged in the exposed one side of the clamping block
Face.
5. connection structure according to claim 3, it is characterised in that: the buffer gear includes spring, sponge or rubber.
6. adapter ring, it is characterised in that: including any connection structure of flange and claim 1 to 5, the flange setting
In the side of the connection ring.
7. adapter ring according to claim 6, it is characterised in that: be provided with the first screw thread on the inside of the flange.
8. adapter ring according to claim 6 or 7, it is characterised in that: the circle that is magnetic is arranged in the bottom of the flange.
9. filter, it is characterised in that: including claim 1 to 5 any connection structure, fixed ring and the eyeglass, the mirror
Piece is mounted in the fixed ring, and the fixed ring is fixedly connected with the connection ring.
10. filter according to claim 9, it is characterised in that: the embeddable connection ring of fixed ring, the fixation
The second screw thread is provided on the inside of ring.
11. filter according to claim 9 or 10, it is characterised in that: the bottom of the fixed ring is provided with magnet ring, described
Magnet ring is covered on the eyeglass and compresses the eyeglass, and the connection ring includes metal.
12. lens cap, it is characterised in that: including any connection structure of claim 1 to 5 and be covered on lens barrel front end
Baffle.
13. filter group, it is characterised in that: including multiple filters, the filter includes any connection of claim 1 to 5
Structure, fixed ring and eyeglass, the eyeglass are mounted in the fixed ring, and the fixed ring is fixedly connected with the connection ring,
The second screw thread is provided on the inside of the fixed ring, multiple filters stack, by described between the two neighboring filter
Second screw thread and clamping block are connected with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910436301.1A CN110146960A (en) | 2019-05-23 | 2019-05-23 | Connection structure, adapter ring, filter, lens cap and filter group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910436301.1A CN110146960A (en) | 2019-05-23 | 2019-05-23 | Connection structure, adapter ring, filter, lens cap and filter group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110146960A true CN110146960A (en) | 2019-08-20 |
Family
ID=67593049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910436301.1A Pending CN110146960A (en) | 2019-05-23 | 2019-05-23 | Connection structure, adapter ring, filter, lens cap and filter group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110146960A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022141712A1 (en) * | 2020-12-31 | 2022-07-07 | 昆山蒲公英智能科技有限公司 | Quick release structure, adapter ring, and filter |
| US11966145B2 (en) | 2020-12-31 | 2024-04-23 | Pgytech Co., Ltd. | Quick-mounting structure, adaptor ring and filter |
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| JP2004109719A (en) * | 2002-09-20 | 2004-04-08 | Marumi Koki Kk | Mechanism for attaching/detaching ccamera lens attachment by using ring spring |
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| CN2924586Y (en) * | 2005-11-15 | 2007-07-18 | 华晶科技股份有限公司 | Lens protection device |
| CN106802531A (en) * | 2016-09-14 | 2017-06-06 | 晶积科技股份有限公司 | Three-ring filter set |
| US20180045908A1 (en) * | 2016-08-12 | 2018-02-15 | Microview Technology Corp. | Easily assembled filter adaptor assembly |
| CN207318898U (en) * | 2017-09-30 | 2018-05-04 | 梁家真 | A kind of magnetic absorption filter |
| CN208255571U (en) * | 2018-06-20 | 2018-12-18 | 河南鑫宇光科技股份有限公司 | A kind of novel two-piece type free space isolator |
| CN209946500U (en) * | 2019-05-23 | 2020-01-14 | 江门市卡色光学有限公司 | Connection structure, adapter ring, filter, lens cover and filter group |
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|---|---|---|---|---|
| JP2004109719A (en) * | 2002-09-20 | 2004-04-08 | Marumi Koki Kk | Mechanism for attaching/detaching ccamera lens attachment by using ring spring |
| JP2004109717A (en) * | 2002-09-20 | 2004-04-08 | Marumi Koki Kk | Attachment and detachment mechanism for lens attachment of camera |
| JP2007086194A (en) * | 2005-09-20 | 2007-04-05 | Kenkoo:Kk | Optical accessory fitting device |
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| CN207318898U (en) * | 2017-09-30 | 2018-05-04 | 梁家真 | A kind of magnetic absorption filter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022141712A1 (en) * | 2020-12-31 | 2022-07-07 | 昆山蒲公英智能科技有限公司 | Quick release structure, adapter ring, and filter |
| US11966145B2 (en) | 2020-12-31 | 2024-04-23 | Pgytech Co., Ltd. | Quick-mounting structure, adaptor ring and filter |
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