CN114942557B - Diaphragm adjusting device and lens with same - Google Patents
Diaphragm adjusting device and lens with same Download PDFInfo
- Publication number
- CN114942557B CN114942557B CN202210519787.7A CN202210519787A CN114942557B CN 114942557 B CN114942557 B CN 114942557B CN 202210519787 A CN202210519787 A CN 202210519787A CN 114942557 B CN114942557 B CN 114942557B
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- Prior art keywords
- lens
- adjusting
- cam plate
- lens barrel
- diaphragm
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- 230000001105 regulatory effect Effects 0.000 claims description 22
- 230000001276 controlling effect Effects 0.000 claims description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims 6
- 235000017491 Bambusa tulda Nutrition 0.000 claims 6
- 241001330002 Bambuseae Species 0.000 claims 6
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims 6
- 239000011425 bamboo Substances 0.000 claims 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- 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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/02—Diaphragms
- G03B9/06—Two or more co-operating pivoted blades, e.g. iris type
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lens Barrels (AREA)
- Diaphragms For Cameras (AREA)
Abstract
The invention discloses a diaphragm adjusting device and a lens with the diaphragm adjusting device, comprising: the adjusting device comprises a cam plate, an adjusting piece and an adjusting ring, wherein a first connecting part is arranged at the edge of the cam plate, a first limiting groove is formed in the adjusting piece along the axial direction of a lens, the length of the first limiting groove is larger than the first limiting groove of the first connecting part with the maximum moving amount of the lens barrel, the first limiting groove is movably connected with the first connecting part, the cam plate moves along the axial direction of the lens barrel, the adjusting piece drives the cam plate to rotate along the section of the lens barrel through the first limiting groove, the adjusting piece is located in the adjusting ring, and the adjusting ring is fixedly connected with the adjusting piece. When the diaphragm blades are adjusted, the adjusting ring is rotated, the adjusting ring drives the adjusting piece to rotate along the section of the lens barrel, the adjusting piece drives the cam plate to rotate along the section of the lens barrel, the cam plate controls the diaphragm blades to open and close, when the lens focuses, the cam plate moves along the lens barrel along the first limiting groove on the adjusting piece, the length of the first limiting groove is larger than the moving amount of the lens, the movement of the cam plate is not limited, and the cam plate cannot be deformed and damaged.
Description
Technical Field
The invention relates to the field of optical lenses, in particular to a diaphragm adjusting device and a lens with the diaphragm adjusting device.
Background
The existing diaphragm blades and the existing cam plates are arranged on a lens barrel in a lens and move up and down along with the lens barrel, the cam plates are controlled to rotate through adjusting rings on the lens barrel, the connecting mode of the cam plates and the adjusting rings is that a shifting rod groove is formed in the cam plates, shifting rod screws are arranged on the adjusting rings, the shifting rod screws are movably connected with the shifting rod grooves, the cam plates can move up and down relative to the shifting rod screws through the shifting rod grooves, and the adjusting rings are rotated left and right to drive the cam plates to rotate left and right to control the diaphragm blades to open and close.
Because of the structural reason of the lens, the length of the poking rod groove on the cam plate is limited, so that the moving distance of the cam plate is limited, and when the moving amount of the lens barrel is overlarge due to focusing, the cam plate is easy to deform and damage.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the diaphragm adjusting device and the lens with the diaphragm adjusting device, and the problem that the cam plate is easy to deform and damage can be solved.
According to an embodiment of the first aspect of the present invention, a diaphragm adjusting device mounted on a barrel in a lens and movably connected to a diaphragm blade on the barrel, includes: the cam plate is used for controlling the opening and closing of the diaphragm blades, and the periphery of the cam plate is fixedly connected with a first connecting part; the adjusting piece is provided with a first limit groove along the axial direction of the lens, the length of the first limit groove is larger than the maximum movement amount of the lens barrel, the first connecting part is movably connected with the first limit groove and used for enabling the cam plate to move along the axial direction of the lens barrel, and the adjusting piece drives the cam plate to rotate along the section plane of the lens barrel through the first limit groove; the adjusting piece is located in the adjusting ring, and the adjusting ring is fixedly connected with the adjusting piece and used for driving the adjusting piece to rotate along the section of the lens cone.
The diaphragm adjusting device according to the embodiment of the first aspect of the present invention has at least the following technical effects: according to the embodiment of the invention, the adjusting ring is rotated to drive the adjusting piece to rotate, the adjusting piece drives the cam plate to rotate to control the diaphragm blades to open and close, when the lens is focused, the cam plate moves along the lens barrel along the first limiting groove on the adjusting piece, the length of the first limiting groove is larger than the moving amount of the lens, so that the moving distance of the cam plate is not limited, and the cam plate cannot deform.
According to some embodiments of the invention, the first connection comprises an intermediate connection plate and a sleeve, the intermediate connection plate being arranged at an edge of a cam plate, the cam plate being located in the sleeve, the cam plate being connected to an inner wall of the sleeve by the intermediate connection plate.
According to some embodiments of the invention, the inner wall of the sleeve is provided with a first mounting groove, and the middle connecting plate is clamped with the first mounting groove for driving the cam plate to rotate along the section of the lens barrel.
According to some embodiments of the invention, the outer wall of the sleeve is provided with a second connecting part, and the second connecting part is movably connected with the first limiting groove so as to enable the sleeve to move along the axial direction of the lens of the first limiting groove.
According to some embodiments of the invention, the device further comprises a main cylinder, the main cylinder is located between the sleeve and the adjusting ring, the adjusting piece is located between the sleeve and the main cylinder, a limiting through hole is formed in the main cylinder, a third connecting portion facing the main cylinder is arranged on the adjusting piece, and the third connecting portion penetrates through the limiting through hole and is fixedly connected with the adjusting ring.
According to some embodiments of the invention, the device further comprises an adjusting handle, wherein threads are arranged on the adjusting handle, a threaded hole is arranged on the adjusting ring, and the adjusting handle is abutted against the main cylinder through the threaded hole.
According to some embodiments of the invention, the adjusting ring is provided with a second mounting groove, and the third connecting part is fixedly connected with the second mounting groove.
According to a second aspect of the present invention, a lens barrel includes the diaphragm adjusting apparatus described above.
According to the lens barrel of the embodiment of the invention, at least the following technical effects are achieved: according to the embodiment of the invention, the adjusting ring is rotated to drive the adjusting piece to rotate, the adjusting piece drives the cam plate to rotate to control the diaphragm blades to open and close, when the lens is focused, the cam plate moves along the lens barrel along the first limiting groove on the adjusting piece, the length of the first limiting groove is larger than the moving amount of the lens, so that the moving distance of the cam plate is not limited, and the cam plate cannot be deformed and damaged.
According to some embodiments of the invention, the diaphragm blade comprises a lens barrel, the diaphragm blade is arranged on the lens barrel, the cam plate is clamped with the lens barrel through the spring plate, and the cam plate is movably connected with the diaphragm blade.
According to some embodiments of the invention, the extended end of the barrel is fitted with a filter interface.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a lens structure according to the present invention;
FIG. 2 is a schematic illustration of the connection of the cam plate, sleeve and adjustment member of the present invention;
FIG. 3 is a schematic illustration of the connection of an adjustment member and an adjustment ring of the present invention;
FIG. 4 is an exploded view of a lens according to the present invention;
FIG. 5 is a schematic illustration of the connection of the cam plate and diaphragm blades of the present invention;
FIG. 6 is a schematic view showing the connection of the sleeve and the barrel according to the present invention;
fig. 7 is an exploded view of the filter interface and barrel of the present invention.
Reference numerals:
cam plate 100, first connecting portion 110, second limiting groove 120, intermediate connecting plate 130, adjusting member 200, first limiting groove 210, third connecting portion 220,
An adjusting ring 300, a second mounting groove 310,
A sleeve 400, a second connecting portion 410, a first mounting groove 420,
A main cylinder 500, a limit through hole 510, a third limit groove 520,
An adjusting handle 600,
Lens barrel 700, through groove 710, filter interface 720,
Diaphragm ring 800, diaphragm blade 810, fourth connecting portion 820,
Lettering cylinder 900, focus ring 910, CAM cylinder 920, CAM curved groove 930.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience in describing the invention and simplifying the description, and do not indicate or imply that the device or element in question must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
In the description of the invention, the meaning of a number is one or more, the meaning of a plurality is two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and the above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
A diaphragm adjusting apparatus according to an embodiment of the first aspect of the present invention is described below with reference to fig. 1 to 7.
As shown in fig. 2 to 3, a diaphragm adjusting apparatus, which is mounted on a lens barrel 700 in a lens and movably connected to a diaphragm blade 810 on the lens barrel 700, includes: the cam plate 100, the regulating piece 200 and the regulating ring 300, the periphery fixedly connected with first connecting portion 110 of cam plate 100, regulating piece 200 is provided with first spacing groove 210 along the axial of camera lens, the length of first spacing groove 210 is greater than the biggest moving amount of lens cone 700, first connecting portion 110 swing joint first spacing groove 210 enables cam plate 100 to follow the axial of camera lens, regulating piece 200 passes through first spacing groove 210 and drives cam plate 100 and rotate along the section of lens cone 700, regulating piece 200 is located regulating ring 300, regulating ring 300 fixed connection regulating piece 200, regulating ring 300 can drive regulating piece 200 and rotate along the section of lens cone 700.
When the diaphragm blade 810 is adjusted, the adjusting ring 300 is rotated, the adjusting ring 300 drives the adjusting piece 200 to rotate along the section of the lens barrel 700, the adjusting piece 200 drives the cam plate 100 to rotate along the section of the lens barrel 700, the cam plate 100 controls the diaphragm blade 810 to open and close, when the lens focuses, the cam plate 100 moves along the lens barrel 700 along the first limiting groove 210 on the adjusting piece 200, the length of the first limiting groove 210 is larger than the moving amount of the lens, so that the movement of the cam plate 100 is not limited, and the cam plate 100 cannot be deformed and damaged.
As shown in fig. 2, the first connection part 110 includes a middle connection plate 130 and a sleeve 400, the middle connection plate 130 is disposed at an edge of the cam plate 100, the cam plate 100 is positioned in the sleeve 400, and the cam plate 100 is connected to an inner wall of the sleeve 400 through the middle connection plate 130. The inner wall of the sleeve 400 is provided with a first mounting groove 420, and the intermediate connecting plate 130 is clamped with the first mounting groove 420, so that the sleeve 400 can drive the cam plate 100 to rotate along the section of the lens barrel 700, and the first mounting groove 420 is a through groove 710, so that the assembly is convenient.
The outer wall of the sleeve 400 is provided with a second connecting part 410, the second connecting part 410 is a rivet, the second connecting part 410 is movably connected with the first limiting groove 210, the sleeve 400 can move along the axial direction of the lens, the adjusting piece 200 drives the cam plate 100 to rotate along the section of the lens barrel 700 through the sleeve 400, the sleeve 400 blocks the lens barrel 700 when the lens is focused and stretches out, dust is prevented from entering the lens barrel 700 while the lens barrel 700 is protected, and good appearance of the lens when the lens is stretched out is ensured.
As shown in fig. 4, the adjusting device further comprises a main barrel 500, the main barrel 500 is located between the sleeve 400 and the adjusting ring 300, the adjusting piece 200 is located between the sleeve 400 and the main barrel 500, a limiting through hole 510 is formed in the main barrel 500, as shown in fig. 3, a third connecting portion 220 facing the main barrel 500 is arranged on the adjusting piece 200, a second mounting groove 310 is formed in the adjusting ring 300, and the third connecting portion 220 penetrates through the limiting through hole 510 and is fixedly connected with the second mounting groove 310 through a screw. The adjusting ring 300 drives the adjusting member 200 to rotate along the section of the lens barrel 700 in the limiting through hole 510, and the limiting through hole 510 limits the rotation angle of the adjusting member 200 corresponding to the diaphragm adjusting value of the lens.
As shown in fig. 3, the diaphragm adjusting device further comprises an adjusting handle 600, wherein threads are arranged on the adjusting handle 600, a threaded hole is arranged on the adjusting ring 300, the adjusting handle 600 is abutted to the main cylinder 500 through the threaded hole, when diaphragm adjustment is completed, the adjusting handle 600 is screwed down, one end of the adjusting handle 600 abuts against the main cylinder 500, and the adjusting ring 300 is fixed.
A lens barrel according to an embodiment of the second aspect of the present invention is described below with reference to fig. 1 to 7.
As shown in fig. 1, a lens includes the above diaphragm adjusting device, the adjusting ring 300 is rotated, the adjusting ring 300 drives the adjusting member 200 to rotate, the adjusting member 200 drives the cam plate 100 to rotate to open and close the diaphragm blade 810, when the lens focuses, the cam plate 100 moves along the axial direction of the lens along with the lens barrel 700, the length of the first limiting groove 210 is greater than the movement amount of the lens, so that the movement of the cam plate 100 is not limited, and the cam plate 100 is not deformed and damaged.
The plurality of diaphragm blades 810 are mounted on the lens barrel 700 of the lens, the upper surface of one end of each diaphragm blade 810 and the lower surface of the other end are respectively provided with a fourth connecting portion 820, the lens barrel 700 is provided with mounting holes corresponding to the fourth connecting portions 820 in size, as shown in fig. 5, the cam plate 100 is provided with second limit grooves 120 corresponding to the diaphragm blades 810 one by one, the two fourth connecting portions 820 are respectively mounted in the mounting holes and the second limit grooves 120, the diaphragm blades 810 can be controlled to open and close by rotating the cam plate 100, and the cam plate 100 is clamped with the lens barrel 700 through elastic sheets. The fourth connection part 820 is a rivet.
As shown in fig. 6, the lens barrel 700 further comprises a diaphragm ring 800, and the sleeve 400 is sleeved on the lens barrel 700 through the diaphragm ring 800, so that the sleeve 400 can move along the axial direction of the lens barrel 700 and can rotate along the section of the lens barrel 700.
As shown in fig. 6, a through groove 710 is formed in a side surface of the lens barrel 700, and the width of the through groove 710 corresponds to the width of the limit through hole 510, so that the through groove 710 can accommodate the adjusting member 200 when the lens barrel 700 moves in the axial direction of the lens barrel, so that the adjusting member 200 does not block the movement of the lens barrel 700.
As shown in fig. 7, the filter interface 720 is mounted at the extension end of the lens barrel 700, and the filter interface 720 is connected with the extension end of the lens barrel 700 through threads, when the lens barrel 700 extends, the filter interface 720 can block the lens barrel 700 and the diaphragm ring 800, so as to play a role in protection, and also ensure the appearance of the lens when the lens extends, and compared with the conventional scheme of mounting the filter interface 720 on the main barrel 500, the mounting of the filter interface 720 on the lens barrel 700 can reduce the unnecessary length of the lens.
As shown in fig. 4, the CAM barrel comprises a CAM barrel 920, a focusing ring 910 and a carving barrel 900, wherein the CAM barrel 920 is sleeved outside the main barrel 500, the carving barrel 900 is sleeved at one end outside the CAM barrel 920, the focusing ring 910 is sleeved at the other end outside the CAM barrel 920 and is fixedly connected with the CAM barrel 920, a CAM curve groove 930 is arranged on the CAM barrel 920, a copper column is arranged on the lens barrel 700, a third limit groove 520 is axially arranged on the main barrel 500, the copper column passes through the third limit groove 520 and is clamped in the CAM curve groove 930, the focusing ring 910 is rotated, and the copper column moves in the CAM curve groove 930 and the third limit groove 520, so that the lens barrel 700 can move along the axial direction of the lens barrel, and the precise focusing can be realized.
In summary, the diaphragm adjusting device and the lens with the diaphragm adjusting device provided by the invention comprise: the cam plate 100, the regulating piece 200 and the regulating ring 300, the periphery fixedly connected with first connecting portion 110 of cam plate 100, regulating piece 200 is provided with first spacing groove 210 along the axial of camera lens, the length of first spacing groove 210 is greater than the biggest moving amount of lens cone 700, first connecting portion 110 swing joint first spacing groove 210 enables cam plate 100 to follow the axial of camera lens, regulating piece 200 passes through first spacing groove 210 and drives cam plate 100 and rotate along the section of lens cone 700, regulating piece 200 is located regulating ring 300, regulating ring 300 fixed connection regulating piece 200, regulating ring 300 can drive regulating piece 200 and rotate along the section of lens cone 700. When the diaphragm blade 810 is adjusted, the adjusting ring 300 is rotated, the adjusting ring 300 drives the adjusting piece 200 to rotate along the section of the lens barrel 700, the adjusting piece 200 drives the cam plate 100 to rotate left and right, the cam plate 100 controls the diaphragm blade 810 to open and close, when the lens focuses, the cam plate 100 moves along the lens barrel 700 along the first limit groove 210 on the adjusting piece 200, the length of the first limit groove 210 is larger than the moving amount of the lens, the movement of the cam plate 100 is not limited, and the cam plate 100 cannot be deformed and damaged. The sleeve 400 blocks the internal structure of the lens barrel 700, prevents dust from entering, and ensures a good appearance when the lens is extended. The main cylinder 500 is provided with a limiting through hole 510 around the axis, the adjusting ring 300 drives the adjusting piece 200 to rotate left and right in the limiting through hole 510, and the limiting through hole 510 corresponds to the diaphragm adjusting value of the lens to limit the rotating angle of the adjusting piece 200. The adjustment handle 600 can secure the adjustment ring 300. The side surface of the lens barrel 700 is provided with a through groove 710, the width of the through groove 710 corresponds to the width of the limiting through hole 510, and when the lens barrel 700 moves along the axial direction of the lens, the through groove 710 can accommodate the adjusting member 200, so that the adjusting member 200 cannot block the movement of the lens barrel 700. The diaphragm ring 800 allows the sleeve 400 to follow the lens barrel 700 in the axial direction of the lens and to rotate along the cross section of the lens barrel 700. The filter interface 720 can block the lens barrel 700 and the diaphragm ring 800, thereby protecting the lens and ensuring the appearance of the lens when the lens extends.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (7)
1. A diaphragm adjusting apparatus, which is mounted on a lens barrel (700) in a lens and movably connected to a diaphragm blade (810) on the lens barrel (700), comprising:
the cam plate (100) is used for controlling the opening and closing of the diaphragm blades (810), a first connecting part (110) is fixedly connected to the periphery of the cam plate (100), the first connecting part (110) comprises an intermediate connecting plate (130) and a sleeve (400), the cam plate (100) is positioned in the sleeve (400), the edge of the cam plate (100) is fixedly connected with the inner wall of the sleeve (400) through the intermediate connecting plate (130), a first mounting groove (420) is formed in the inner wall of the sleeve (400), and the intermediate connecting plate (130) is clamped with the first mounting groove (420) so as to drive the cam plate (100) to rotate along the section of the lens cone (700);
the adjusting piece (200), the adjusting piece (200) is provided with a first limit groove (210) along the axial direction of the lens, the length of the first limit groove (210) is larger than the maximum movement amount of the lens barrel (700), the first connecting part (110) is movably connected with the first limit groove (210) so as to enable the cam plate (100) to move along the axial direction of the lens, and the adjusting piece (200) drives the cam plate (100) to rotate along the section of the lens barrel (700) through the first limit groove (210); the outer wall of the sleeve (400) is provided with a second connecting part (410), and the second connecting part (410) is movably connected with the first limit groove (210) so as to enable the sleeve (400) to move along the axial direction of the lens;
the adjusting ring (300), the adjusting piece (200) is located in the adjusting ring (300), the adjusting ring (300) is fixedly connected with the adjusting piece (200) and is used for driving the adjusting piece (200) to rotate along the section of the lens cone (700).
2. The diaphragm adjustment device of claim 1, wherein: still include main section of thick bamboo (500), main section of thick bamboo (500) are located sleeve (400) with between adjusting ring (300), regulating part (200) are located sleeve (400) with between main section of thick bamboo (500), be provided with spacing through-hole (510) on main section of thick bamboo (500), regulating part (200) are provided with third connecting portion (220) towards main section of thick bamboo (500), third connecting portion (220) pass spacing through-hole (510) and fixed connection adjusting ring (300).
3. The diaphragm adjusting apparatus according to claim 2, wherein: still include adjustment handle (600), be provided with the screw thread on adjustment handle (600), be provided with the screw hole on adjusting ring (300), adjustment handle (600) pass through the screw hole butt main section of thick bamboo (500).
4. The diaphragm adjusting apparatus according to claim 2, wherein: the adjusting ring (300) is provided with a second mounting groove (310), and the third connecting part (220) is fixedly connected with the second mounting groove (310).
5. A lens comprising a diaphragm adjusting device as claimed in any one of claims 1 to 4.
6. The lens of claim 5, wherein: the lens barrel (700) is included, the diaphragm blade (810) is installed on the lens barrel (700), the cam plate (100) is clamped with the lens barrel (700) through the elastic sheet, and the cam plate (100) is movably connected with the diaphragm blade (810).
7. The lens of claim 6, wherein: a filter interface (720) is arranged at the extending end of the lens barrel (700).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210519787.7A CN114942557B (en) | 2022-05-13 | 2022-05-13 | Diaphragm adjusting device and lens with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210519787.7A CN114942557B (en) | 2022-05-13 | 2022-05-13 | Diaphragm adjusting device and lens with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114942557A CN114942557A (en) | 2022-08-26 |
| CN114942557B true CN114942557B (en) | 2024-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210519787.7A Active CN114942557B (en) | 2022-05-13 | 2022-05-13 | Diaphragm adjusting device and lens with same |
Country Status (1)
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|---|---|
| CN (1) | CN114942557B (en) |
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| CN212623281U (en) * | 2020-07-30 | 2021-02-26 | 广东奥普特科技股份有限公司 | Optical lens |
| CN112596190A (en) * | 2020-12-16 | 2021-04-02 | 广景视睿科技（深圳）有限公司 | Lens focusing assembly and projector |
| CN215867297U (en) * | 2021-06-04 | 2022-02-18 | 江西凤凰光学科技有限公司 | Lens focusing device |
| CN216434502U (en) * | 2021-12-22 | 2022-05-03 | 洛阳拜波赫光电科技有限公司 | Built-in thread-driven adjustable-focus lens structure |
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