CN216718782U - Novel variable-focus lens assembly - Google Patents
Novel variable-focus lens assembly Download PDFInfo
- Publication number
- CN216718782U CN216718782U CN202123234880.3U CN202123234880U CN216718782U CN 216718782 U CN216718782 U CN 216718782U CN 202123234880 U CN202123234880 U CN 202123234880U CN 216718782 U CN216718782 U CN 216718782U
- Authority
- CN
- China
- Prior art keywords
- lens
- main shell
- novel variable
- lens assembly
- light
- 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.)
- Active
Links
Images
Landscapes
- Lens Barrels (AREA)
Abstract
A novel variable focus lens assembly comprising: the lens comprises a lens area arranged in the middle and a fixed area arranged on the periphery, and the lens area has a focus; the lens comprises a main shell, a lens body and a lens cover, wherein the main shell is of a hard shell structure, one end of the main shell is a mounting end, the other end of the main shell is provided with a buckle, the main shell is provided with a light transmitting cavity, the lens is arranged on the mounting end, and the focal point of the lens is coaxially arranged with the axis of the light transmitting cavity; and the driving structure is arranged on the main shell and used for driving the lens to move along the axial direction of the light transmitting cavity. The lens can move along the axis direction of the light-transmitting cavity, so that the zooming of the lens can be realized, and the zooming can be realized without replacing a lens. The camera only needs to be provided with one lens assembly, so that the camera is convenient to carry and the use cost of the camera can be effectively reduced. The utility model can realize zooming without replacing the lens, has reasonable structural design and very simple zooming adjustment operation.
Description
Technical Field
The utility model belongs to the technical field of lens devices, and particularly relates to a novel variable-focus lens assembly.
Background
For an image pickup apparatus (whether a camera or a video camera), a lens is provided through which light is optically processed to obtain clear image information of a wide angle of view.
In the prior art, all lenses used in a lens are hard lenses, namely, the hard lenses are made of hard high-light-transmittance materials, and the hard lenses are fixedly installed in the lens, namely, the whole lens has a unique focal length, when the focal length of the lens needs to be changed, the lens needs to be replaced, and the reason why one image pickup device needs to be provided with a plurality of lenses is that.
Therefore, the lens fixed mounting of the hard lens has the following problems: 1. one camera device needs to be provided with a plurality of lenses, so that the camera device is inconvenient to carry and very high in use cost; 2. it takes a certain amount of time to replace the lens, and a very large number of moments of wonderness may be missed during the lens replacement.
SUMMERY OF THE UTILITY MODEL
Problem (A)
In summary, how to provide a lens capable of changing the focal length of the lens is a problem to be solved by those skilled in the art.
(II) technical scheme
The utility model provides a novel variable-focus lens assembly, which comprises:
the lens comprises a lens area arranged in the middle and a fixed area arranged on the periphery, and the lens area has a focus;
the lens comprises a main shell, a lens body and a lens cover, wherein the main shell is of a hard shell structure, one end of the main shell is a mounting end, the other end of the main shell is provided with a buckle, the main shell is provided with a light transmitting cavity, the lens is arranged on the mounting end, and the focal point of the lens is coaxial with the axis of the light transmitting cavity;
and the driving structure is arranged on the main shell and used for driving the lens to move along the axial direction of the light transmitting cavity.
Preferably, in the novel variable-focus lens assembly provided by the present invention, the driving structure includes a fixing frame sleeved outside the main housing, the fixing frame is fixedly disposed on the buckle, the main housing can move on the fixing frame along the axis direction of the light-transmitting cavity, a knob is rotatably sleeved outside the fixing frame, a thread groove extending along the axis direction of the light-transmitting cavity is disposed on an inner side surface of the knob, a limiting sliding groove parallel to the axis direction of the light-transmitting cavity is disposed on the fixing frame corresponding to the thread groove, a driving block is fixedly disposed on an outer side surface of the main housing, the driving block is in sliding fit with the limiting sliding groove, and the driving block is in sliding fit with the thread groove and can convert the rotation motion of the knob into the linear motion of the main housing.
Preferably, in the novel variable focus lens assembly provided by the present invention, the driving block is of a ball structure.
Preferably, in the novel variable focus lens assembly provided by the present invention, the main housing includes a large diameter cylinder structure and a small diameter cylinder structure coaxially disposed; the large-diameter cylinder structure is provided with the mounting end, the lens is fixedly arranged in the large-diameter cylinder structure, and the small-diameter cylinder structure is assembled in the fixing frame.
Preferably, in the novel variable focus lens assembly provided by the present invention, the radius of the large diameter cylindrical structure is larger than the radius of the small diameter cylindrical structure and is larger than or equal to the sum of the wall thicknesses of the fixing frame and the knob.
Preferably, in the novel variable focus lens assembly provided by the present invention, the driving structure comprises a controllable telescopic rod; the main shell can move along the axial direction of the light-transmitting cavity relative to the buckle; the telescopic link set up in the main casing, the one end of telescopic link for the buckle is fixed to be set up, the other end of telescopic link for lens is fixed to be set up.
Preferably, in the novel variable-focus lens assembly provided by the present invention, a support with an annular structure is fixedly disposed in the mounting end of the main housing, a lower side surface of the lens abuts against the support, and a pressing plate with an annular structure is disposed on an upper side of the lens and abuts against an upper side surface of the lens; the lens is fixedly arranged in the main shell through the support and the pressing plate.
Preferably, in the novel variable focus lens assembly provided by the present invention, the telescopic rod is an electric telescopic rod; or the telescopic rod is a hydraulic telescopic rod; the telescopic link is provided with at least two, and all telescopic links are in main casing body is interior and around the axis of light-transmitting chamber is equidistant to be set up.
Preferably, in the novel variable focus lens assembly provided by the present invention, the lens is a fresnel circular lens.
Preferably, in the novel variable focus lens assembly provided by the present invention, the outer side surface of the knob is provided with anti-slip corrugations.
(III) advantageous effects
The utility model provides a novel variable-focus lens assembly, comprising: the lens comprises a lens area arranged in the middle and a fixed area arranged on the periphery, and the lens area has a focus; the lens comprises a main shell, a lens body and a lens cover, wherein the main shell is of a hard shell structure, one end of the main shell is a mounting end, the other end of the main shell is provided with a buckle, the main shell is provided with a light transmitting cavity, the lens is arranged on the mounting end, and the focal point of the lens is coaxially arranged with the axis of the light transmitting cavity; and the driving structure is arranged on the main shell and used for driving the lens to move along the axial direction of the light transmitting cavity. Through the structural design, the novel variable-focus lens assembly provided by the utility model can realize the movement of the lens along the axial line direction of the light-transmitting cavity through a mechanical structure, so that the zooming of the lens can be realized, and the zooming can be realized without replacing a lens after the novel variable-focus lens assembly is put into use, and the novel variable-focus lens assembly is summarized as follows: only one lens assembly provided by the utility model needs to be configured for one camera, so that the camera is convenient to carry and the use cost of the camera can be effectively reduced; 2. the zoom lens can be changed without changing the lens, and the zoom lens is reasonable in structural design, convenient to use and very simple in zoom adjustment operation.
Drawings
FIG. 1 is a schematic diagram of an external structure of a novel variable focus lens assembly according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a lens according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a novel variable focus lens assembly in accordance with an embodiment of the present invention;
fig. 4 is a schematic cross-sectional view of a novel variable focus lens assembly according to another embodiment of the present invention.
In fig. 1 to 4, the correspondence between the part names and the reference numerals is:
the lens comprises a lens 1, a main shell 2, a buckle 3, a light-transmitting cavity 4, a fixing frame 5, a knob 6, a driving block 7, a telescopic rod 8, a support 9 and a pressing plate 10.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
In addition, in the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention but do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.
Referring to fig. 1 to 4, in which, fig. 1 is a schematic structural diagram of an appearance of a novel variable focus lens assembly according to an embodiment of the present invention; FIG. 2 is a schematic structural diagram of a lens according to an embodiment of the present invention; FIG. 3 is a schematic cross-sectional view of a novel variable focus lens assembly in accordance with an embodiment of the present invention; fig. 4 is a schematic cross-sectional view of a novel variable focus lens assembly according to another embodiment of the present invention.
The utility model provides a novel variable-focus lens component which achieves the purpose of zooming by changing the fixed position of a lens 1 relative to a buckle 3.
The buckle 3 is a component for fixing on the photographic equipment, the position change of the lens 1 relative to the buckle 3 is equivalent to the position change of a photosensitive element relative to the photographic equipment, and the position change of the lens 1 relative to the photosensitive element of the photographic equipment changes, so that the position of the focal point of the lens 1 relative to the photosensitive element changes, the position of the focal point is changed by moving the lens in the lens, the length of the focal length of the lens is changed, and the size of the visual angle of the lens is changed, so that the image can be enlarged and reduced.
Specifically, in the present invention, the novel variable focus lens assembly comprises the following components:
1. a lens 1.
The lens 1 is the most important optical element in the utility model, the lens 1 is a convex lens, and the lens 1 can be a screw lens or a fresnel lens. The lens 1 is preferably a circular lens.
After the material of the lens 1 is selected and the structure, shape and size of the lens 1 are determined, the position of the focal point of the lens 1 relative to the lens body is fixed. The present invention changes the position of the focal point of the lens 1 (relative to the position of the photosensitive element) by moving the lens 1 such that the lens 1 moves in the axial direction of the light-transmitting chamber 4 (a structure on the main housing 2).
Specifically, in one embodiment of the present invention, the lens 1 has a circular lens structure, and the lens 1 includes a lens region disposed at the center and a fixing region disposed at the periphery, the lens region having a focal point. The lens 1 is of an integrated structure and is made of a light-transmitting material, the lens area and the fixing area are relative to the lens body, the middle area of the lens body is the lens area, the peripheral circumferential area of the lens body is the fixing area, the lens area is an area for light to penetrate through, light filtering and light condensation of the light are achieved in the process that the light passes through the lens area, and the fixing area is a structure for fixedly mounting the lens 1 in the main shell 2.
2. A main housing 2.
The main housing 2 is a structure for fixedly mounting the lens 1 in the present invention. When the position of the lens 1 is changed, if the lens 1 is directly acted on, the probability of damaging the lens 1 is increased, therefore, the utility model provides the main shell 2, the lens 1 is fixedly arranged through the main shell 2, and then the main shell 2 is driven to act to realize the position adjustment of the lens 1, so that the adjustment acting force can be prevented from directly acting on the lens 1, the lens 1 is protected, and the problem that the lens 1 is damaged due to the adjustment acting force is avoided.
In the present invention, the main housing 2 is a hard housing structure, and may be made of hard plastic or metal material. The main housing 2 has a cylindrical structure, either a square cylindrical structure or a cylindrical structure, and the present invention preferably has a cylindrical structure (since the lens 1 preferably has a circular lens structure, the main housing 2 preferably has a cylindrical structure, which facilitates the installation of the lens 1).
Specifically, the main housing 2 is a cylindrical structure, and one end of the main housing 2 is a mounting end and the other end of the main housing 2 is provided with a buckle 3 (the buckle 3 is a connecting structure capable of being connected with a camera and used for fixing a lens, and the buckle 3 used in the present invention is identical to the buckle 3 provided on the lens in the prior art). The main housing 2 has a light-transmitting cavity 4 (the main housing 2 is a cylindrical structure, and its middle part is a through cavity structure, which is the light-transmitting cavity 4). The lens 1 is arranged on the mounting end, and the focal point of the lens 1 is coaxially arranged with the axis of the light-transmitting cavity 4.
3. A drive structure.
The utility model also provides a driving structure for changing the focus position of the lens area, and the driving structure is arranged on the main shell 2 and used for driving the lens 1 to move along the axial direction of the light-transmitting cavity 4. In the present invention, the driving structure is a controlled (capable of being controlled externally) power assembly capable of providing linear motion (providing linear driving force).
In the utility model, the driving structure comprises two specific structural forms:
the first drive configuration is as follows:
the driving structure comprises a fixing frame 5 sleeved outside the main casing 2, the fixing frame 5 is a component for realizing connection between the main casing 2 and the knob 6, the fixing frame 5 is designed according to the outline structure of the main casing 2, so as to be sleeved outside the main casing 2, and in a preferred embodiment of the utility model, the fixing frame 5 is a cylindrical frame structure.
The mount 5 is fixed to be set up on buckle 3 (mount 5 can be fixed on buckle 3 through the bolt), and main casing body 2 can move at mount 5 along the axis direction in printing opacity chamber 4, rotatably overlaps in the outside of mount 5 and is equipped with knob 6, and knob 6 is installed on mount 5 and can be rotated on mount 5.
The knob 6 is rotated for effecting linear movement of the main housing 2 relative to the fixed mount 5. Specifically, a thread groove extending along the axial direction of the light transmission cavity 4 is disposed on the inner side surface of the knob 6, a limit sliding groove (the limit sliding groove is a linear groove structure) parallel to the axial direction of the light transmission cavity 4 is disposed on the fixing frame 5 corresponding to the thread groove, a driving block 7 (in a preferred embodiment of the present invention, the driving block 7 is a ball structure) is fixedly disposed on the outer side surface of the main housing 2, the driving block 7 is in sliding fit with the limit sliding groove, and the driving block 7 is in sliding fit with the thread groove and can convert the rotary motion of the knob 6 into the linear motion of the main housing 2. In order to realize the high-precision adjustment of the present invention, the driving block 7 has a smaller size, so that the pitch of the thread groove can be effectively compressed, and thus after the knob 6 rotates one circle, the corresponding step length of the main housing 2 is smaller (only one pitch), and the step length of the main housing 2 is smaller, so that the moving distance of the lens 1 is smaller, and the focus of the lens 1 is more accurately zoomed.
The second drive configuration is as follows:
the driving structure comprises a controllable telescopic rod 8, and the main shell 2 can move along the axial direction of the light transmission cavity 4 relative to the buckle 3; the telescopic link 8 sets up in main casing body 2, and the one end of telescopic link 8 is for the fixed setting of buckle 3, and the other end of telescopic link 8 is for the fixed setting of lens 1.
Specifically, in the second driving structure, the telescopic rod 8 is an electric telescopic rod, or the telescopic rod 8 is a hydraulic telescopic rod. According to the telescopic rod, a power line or a hydraulic pipe can be led out from the main shell 2, so that a control button can be arranged outside the main shell 2 to realize telescopic control of the telescopic rod 8.
In a preferred embodiment of the present invention, at least two telescopic rods 8 are provided, all the telescopic rods 8 are disposed in the main housing 2 at equal intervals around the axis of the light-transmitting cavity 4, and all the telescopic rods 8 act synchronously, so that the stress balance degree of the lens 1 can be improved, and the movement of the lens 1 is more stable.
For the installation of the lens 1, the utility model adopts the following structural form: a support 9 with an annular structure is fixedly arranged in the mounting end of the main shell 2 (the support 9 is an annular frame structure), the lower side surface of the lens 1 is abutted against the support 9, a pressing plate 10 with an annular structure is arranged on the upper side of the lens 1 (the pressing plate 10 is an annular frame structure), and the pressing plate 10 is abutted against the upper side surface of the lens 1; the lens 1 is fixedly disposed in the main casing 2 via a holder 9 and a pressing plate 10.
Based on the two driving structure forms, the utility model optimizes the structure of the main shell 2: the main shell 2 comprises a large-diameter cylindrical structure and a small-diameter cylindrical structure which are coaxially arranged; the large-diameter cylinder structure is provided with a mounting end, the lens 1 is fixedly arranged in the large-diameter cylinder structure, and the small-diameter cylinder structure is assembled in the fixing frame 5. Further, the radius of the large-diameter cylindrical structure is larger than that of the small-diameter cylindrical structure and is larger than or equal to the sum of the wall thicknesses of the fixing frame 5 and the knob 6.
Further, the outer side surface of the knob 6 is provided with anti-slip corrugations.
Furthermore, the utility model is also provided with a label which is stuck on the pressing plate 10 of the lens through glue.
From the above, the present invention provides a novel variable focus lens assembly, comprising: the lens comprises a lens 1, wherein the lens 1 comprises a lens area arranged in the middle and a fixed area arranged on the periphery, and the lens area has a focus; the lens comprises a main shell 2, wherein the main shell 2 is of a hard shell structure, one end of the main shell 2 is a mounting end, the other end of the main shell 2 is provided with a buckle 3, the main shell 2 is provided with a light transmitting cavity 4, a lens 1 is arranged on the mounting end, and the focal point of the lens 1 and the axis of the light transmitting cavity 4 are coaxially arranged; and the driving structure is used for changing the focal position of the lens area, is arranged on the main shell 2 and is used for driving the lens 1 to move along the axial direction of the light-transmitting cavity 4. Through the structural design, the novel variable-focus lens assembly provided by the utility model can realize the movement of the lens 1 along the axial direction of the light-transmitting cavity 4 through a mechanical structure, so that the zooming of the lens 1 can be realized, and after the variable-focus lens assembly is put into use, the zooming can be realized without replacing a lens, and the variable-focus lens assembly is summarized as follows: only one lens 1 assembly provided by the utility model needs to be configured for one camera, so that the camera is convenient to carry and the use cost of the camera can be effectively reduced; 2. the zoom lens can realize zooming without replacing the lens, and the zoom lens is reasonable in structural design, convenient to use and very simple in zoom adjustment operation.
It will be appreciated by those skilled in the art that the utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the utility model are intended to be embraced therein.
Claims (10)
1. A novel variable focus lens assembly, comprising:
a lens (1) comprising a lens region arranged in the middle and a fixation region arranged in the periphery, the lens region having a focal point;
the lens comprises a main shell (2), wherein the main shell is of a hard shell structure, one end of the main shell is a mounting end, the other end of the main shell is provided with a buckle (3), the main shell is provided with a light transmission cavity (4), the lens is arranged on the mounting end, and the focal point of the lens and the axis of the light transmission cavity are coaxially arranged;
and the driving structure is arranged on the main shell and used for driving the lens to move along the axial direction of the light transmitting cavity.
2. The novel variable focus lens assembly of claim 1,
the drive structure is located including the cover mount (5) in the main casing body outside, the mount fixed set up in on the buckle, the main casing body can the mount is followed the axis direction in light-transmitting chamber removes, in the outside of mount is rotatably overlapped and is equipped with knob (6), in the medial surface of knob is provided with the edge the axis direction in light-transmitting chamber extends the thread groove that sets up, in correspond on the mount the thread groove be provided with the parallel spacing spout of the axis direction in light-transmitting chamber, in the lateral surface of the main casing body is fixed and is provided with drive block (7), the drive block with spacing spout sliding fit, the drive block with thread groove sliding fit and can with the rotary motion of knob converts into the linear motion of the main casing body.
3. The novel variable focus lens assembly of claim 2,
the driving block is of a ball structure.
4. The novel variable focus lens assembly of claim 2,
the main shell comprises a large-diameter cylinder structure and a small-diameter cylinder structure which are coaxially arranged;
the large-diameter cylinder structure is provided with the mounting end, the lens is fixedly arranged in the large-diameter cylinder structure, and the small-diameter cylinder structure is assembled in the fixing frame.
5. The novel variable focus lens assembly of claim 4,
the radius of the large-diameter cylinder structure is larger than that of the small-diameter cylinder structure and is larger than the sum of the wall thicknesses of the fixing frame and the knob.
6. The novel variable focus lens assembly of claim 1,
the driving structure comprises a controllable telescopic rod (8);
the main shell can move along the axial direction of the light-transmitting cavity relative to the buckle;
the telescopic link set up in the main casing, the one end of telescopic link for the buckle is fixed to be set up, the other end of telescopic link for lens is fixed to be set up.
7. The novel variable focus lens assembly of claim 6,
a support (9) with an annular structure is fixedly arranged in the mounting end of the main shell, the lower side surface of the lens abuts against the support, a pressing plate (10) with an annular structure is arranged on the upper side of the lens, and the pressing plate abuts against the upper side surface of the lens;
the lens is fixedly arranged in the main shell through the support and the pressing plate.
8. The novel variable focus lens assembly of claim 6,
the telescopic rod is an electric telescopic rod;
or the telescopic rod is a hydraulic telescopic rod;
the telescopic link is provided with at least two, and all telescopic links are in main casing body is interior and around the axis of light-transmitting chamber is equidistant to be set up.
9. The novel variable focus lens assembly of any one of claims 1 to 8,
the lens is a Fresnel circular lens.
10. The novel variable focus lens assembly of claim 2,
and anti-skid corrugations are arranged on the outer side surface of the knob.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123234880.3U CN216718782U (en) | 2021-12-21 | 2021-12-21 | Novel variable-focus lens assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123234880.3U CN216718782U (en) | 2021-12-21 | 2021-12-21 | Novel variable-focus lens assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216718782U true CN216718782U (en) | 2022-06-10 |
Family
ID=81885177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123234880.3U Active CN216718782U (en) | 2021-12-21 | 2021-12-21 | Novel variable-focus lens assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216718782U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116577900A (en) * | 2023-07-13 | 2023-08-11 | 中国科学院长春光学精密机械与物理研究所 | Photoelectric imaging system with allele focal length adjustment function |
-
2021
- 2021-12-21 CN CN202123234880.3U patent/CN216718782U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116577900A (en) * | 2023-07-13 | 2023-08-11 | 中国科学院长春光学精密机械与物理研究所 | Photoelectric imaging system with allele focal length adjustment function |
| CN116577900B (en) * | 2023-07-13 | 2023-09-22 | 中国科学院长春光学精密机械与物理研究所 | Photoelectric imaging system with allele focal length adjustment function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2454624B1 (en) | Optical assemblies for adjusting working distance and field of view in an imaging system | |
| CN111917946A (en) | Camera module and electronic equipment | |
| CN216718782U (en) | Novel variable-focus lens assembly | |
| CN1743887A (en) | Lens-positioning device of camera module | |
| US10996424B2 (en) | Lens barrel and imaging device | |
| CN111641760A (en) | Lens assembly, camera module and electronic equipment | |
| CN212675251U (en) | Long-wave electric focusing high-pixel high-resolution infrared lens | |
| US7471473B2 (en) | Lens support structure, lens barrel, and camera | |
| CN204613556U (en) | Focusing mechanism of optical system | |
| CN1787612A (en) | Focusing mechanism for cell phone digital camera and module for cell phone digital camera | |
| CN114035392A (en) | Electric zooming focusing lens | |
| CN210514761U (en) | Multi-focus visual lens with variable focal length | |
| US20110242680A1 (en) | Lens barrel and image pickup apparatus | |
| CN100390595C (en) | Lens focusing device | |
| CN215264189U (en) | Automatic focusing infrared lens | |
| CN211478764U (en) | Adjustable-visibility eyepiece for thermal infrared imager | |
| CN212890989U (en) | Optical lens fixing device for high-definition aerial photography instrument | |
| CN100516962C (en) | Multi-sectional focusing lens model group | |
| JP2014102416A (en) | Lens device, lens device manufacturing method, and imaging device | |
| CN201114374Y (en) | An improved infrared camera | |
| CN209746329U (en) | Take ICR to switch over monitoring camera lens focusing mechanism of subassembly | |
| CN215895109U (en) | Portable digital microscope | |
| CN213207741U (en) | Novel rotary type variable beam angle structure | |
| JP2001242370A (en) | Lens device | |
| CN220491170U (en) | Camera with changeable zoom lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |