CN215338829U - Optical lens test platform and optical lens test equipment - Google Patents
Optical lens test platform and optical lens test equipment Download PDFInfo
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- CN215338829U CN215338829U CN202121437729.7U CN202121437729U CN215338829U CN 215338829 U CN215338829 U CN 215338829U CN 202121437729 U CN202121437729 U CN 202121437729U CN 215338829 U CN215338829 U CN 215338829U
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Abstract
The utility model discloses an optical lens test platform and optical test equipment, wherein the optical lens test platform comprises a mounting bracket, an imaging module, a light source module and a target module, wherein the imaging module is movably arranged on the mounting bracket and used for placing an optical lens to be tested; the light source module is arranged on the mounting bracket; the target module is arranged on the mounting bracket and is positioned between the imaging module and the light source module; the target module is provided with a slit, and the width of the slit can be adjusted; the light emitted by the light source component is emitted from the slit and imaged through the optical lens, and the imaging module shoots an image formed by the optical lens. In the utility model, ideal target luminescence can be obtained by adjusting the slit, and the test precision is improved. The utility model has simple structure and low cost, and can ensure the test precision.
Description
Technical Field
The utility model relates to the technical field of machine vision, in particular to an optical lens testing platform and optical lens testing equipment.
Background
Machine vision is a popular technology for developing industrial automation in China in recent years, and the hardware mainly comprises a lens, a camera and a light source. Since devices such as optical lenses and light sources are started earlier in countries such as japan and germany, most devices used for machine vision are imported products abroad, and processing equipment, assembling equipment and measuring equipment of the products are almost monopolized by foreign suppliers. Foreign manufacturers have the advantages of perfect product lines, stable performance and the like, but the foreign manufacturers are expensive in price, high in maintenance cost, long in delivery period and difficult to adapt to the development requirements of the machine vision industry in China, so that a large number of excellent domestic hardware suppliers are hatched in recent years, compared with imported products, the domestic device suppliers can respond to the requirements more quickly, and the cost and the price have absolute advantages.
With the rise of domestic hardware suppliers, a large number of hardware products for industrial application are available for system development units to select, but the standards of various suppliers on the performance of devices are different, and the performance level and the working stability of hardware of the suppliers still have certain gaps with foreign hardware products. For the visual system suppliers, due to the high price of the foreign optical lens testing platform, the comprehensive testing and evaluation of numerous domestic hardware cannot be performed, and the hardware purchasing and type selection become a pain point gradually.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide an optical lens test platform and optical lens test equipment, and aims to solve the problems of complex structure and high price of the optical test platform.
In order to achieve the above object, the present invention provides an optical lens testing platform comprising:
mounting a bracket;
the imaging module is movably arranged on the mounting bracket and used for placing an optical lens to be detected;
the light source module is arranged on the mounting bracket; and
the target module is arranged on the mounting bracket and is positioned between the imaging module and the light source module; the target module is provided with a slit, and the width of the slit is adjustable;
the light emitted by the light source component is emitted from the slit and is imaged through the optical lens, and the imaging module shoots an image formed by the optical lens.
In an embodiment of the present invention, the target module includes:
the first mounting seat is rotatably arranged on the mounting bracket and provided with a first through hole;
each light modulation plate is arranged in the first through hole, and the adjacent two light modulation plates are arranged at intervals to form the slit; and
at least one adjusting piece, at least one the light modulation board with the adjusting piece is connected, the adjusting piece drive the light modulation board be close to or keep away from adjacent the light modulation board to adjust the width of slit.
In an embodiment of the present invention, the mounting bracket is provided with a second through hole, and the second through hole is communicated with the first through hole and is located between the target module and the light source module;
the light source module includes:
the light source assembly is arranged on the mounting bracket; and
the dimming component is arranged in the second through hole;
wherein, the light that the light source subassembly sent is thrown into the slit after adjusting through the subassembly of adjusting luminance.
In an embodiment of the present invention, the dimming component includes:
the objective lens is arranged in the second through hole;
the light adjusting lens group is arranged in the second through hole and is positioned on one side of the objective lens facing the light source component; the dimming lens group is arranged at a distance from the objective lens; the light adjusting lens group is used for adjusting the brightness of the light rays emitted into the slit;
and the light rays emitted from the light source component sequentially pass through the dimming lens group and the objective lens and then enter the slit.
In an embodiment of the utility model, the light adjusting lens group includes two polarizers disposed in the second through hole, the two polarizers are sequentially disposed along an axial direction of the second through hole, and at least one of the polarizers can rotate with an axis of the second through hole as a rotation axis.
In an embodiment of the present invention, the mounting bracket is provided with a target boss, the target boss is located on one side of the light source assembly facing the target module, the target boss is provided with the second through hole, and the target module is arranged on the target boss;
one of the two polaroids, which is close to the light source module, is rotatably arranged in the second through hole, and the other polaroid is fixedly arranged in the second through hole.
In an embodiment of the present invention, the mounting bracket is provided with a driving module, and the driving module includes:
the driving motor is arranged on the mounting bracket;
the screw rod is arranged on the mounting bracket and is connected with the output end of the driving motor;
the guide rail is arranged on the mounting bracket, is parallel to the screw rod and is arranged at intervals;
the second mounting seat is movably arranged on the screw rod and the guide rail; the imaging module is arranged on the second mounting seat;
the driving motor drives the screw rod to rotate so as to drive the second mounting base to move, and the imaging module is close to or far away from the target module.
In an embodiment of the present invention, the driving module further includes a third mounting seat, and the third mounting seat is rotatably connected to the second mounting seat; the imaging module is arranged on the third mounting seat.
In an embodiment of the present invention, the imaging module includes:
the fourth mounting seat is arranged on the third mounting seat and is provided with an accommodating cavity for placing the optical lens;
the test camera is arranged on the fourth mounting seat and corresponds to the accommodating cavity so as to photograph images formed by the optical lens;
the optical filter is arranged on the fourth mounting seat and is positioned on one side, facing the accommodating cavity, of the test camera; and
and the third polaroid is arranged on the fourth mounting seat and is positioned on one side of the optical lens facing the target module.
The present invention also proposes an optical lens testing apparatus, comprising:
the optical lens testing platform according to the above embodiment; and
and the processor is connected with the imaging module of the optical lens test platform.
According to the technical scheme, the mounting bracket provides a mounting foundation for the imaging module, the target module and the light source module. When the optical lens focusing device is applied to the performance test of the optical lens, the optical lens is arranged on one side of the imaging module facing the target module, the imaging module is movably provided with the mounting bracket, and the optical lens can be driven to move to be close to or far away from the target module by the movement of the imaging module so as to realize focusing. The light source module is used for providing a light source, the light source illuminates the target component, the slit is imaged through the optical lens, the imaging module shoots an image formed by the optical lens, and then the shot image is analyzed to obtain performance parameters of the optical lens. In the utility model, the width of the slit can be adjusted, ideal target luminescence can be obtained by adjusting the slit, and the test precision is improved. The utility model has simple structure and low cost, and can ensure the test precision.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an optical lens testing platform according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of fig. 1.
The reference numbers illustrate:
the implementation, functional features and advantages of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout is to include three juxtapositions, exemplified by "A and/or B," including either the A or B arrangement, or both A and B satisfied arrangement. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides an optical lens 6 test platform which is used for testing the performance of an optical lens 6.
In the embodiment of the present invention, as shown in fig. 1, the optical lens 6 testing platform includes a mounting bracket 1, an imaging module 2, a light source module 3, and a target module 4, wherein the imaging module 2 is movably disposed on the mounting bracket 1 and is used for placing an optical lens 6 to be tested; the light source module 3 is arranged on the mounting bracket 1; the target module 4 is arranged on the mounting bracket 1 and is positioned between the imaging module 2 and the light source module 3; the target module 4 is provided with a slit 4a, and the width of the slit 4a is adjustable;
the light emitted from the light source assembly 31 is emitted from the slit 4a and is imaged by the optical lens 6, and the imaging module 2 captures an image formed by the optical lens 6.
In this embodiment, the mounting bracket 1 provides a mounting base for the imaging module 2, the target module 4 and the light source module 3. When the optical lens 6 performance testing device is applied to performance testing of the optical lens 6, the optical lens 6 is arranged on one side, facing the target module 4, of the imaging module 2, the mounting bracket 1 is movably arranged on the imaging module 2, and the optical lens 6 can be driven to move close to or far away from the target module 4 through movement of the imaging module 2, so that focusing is realized. The light source module 3 is used for providing a light source, the light source illuminates a target component, the slit 4a is imaged through the optical lens 6, the imaging module 2 shoots an image formed by the optical lens 6, and then the shot image is analyzed to obtain performance parameters of the optical lens 6. In the utility model, the width of the slit 4a can be adjusted, ideal target luminescence can be obtained by adjusting the slit 4a, and the test precision is improved. The utility model has simple structure and low cost, and can ensure the test precision.
In this embodiment, installing support 1 includes horizontal part and vertical portion, and the horizontal part is the contained angle with vertical portion to be connected, and in this embodiment, the horizontal part is perpendicular setting with vertical portion. The imaging module 2 is movably arranged on the vertical part, and the target module 4 and the light source module 3 are arranged on the horizontal part.
In this embodiment, the imaging module 2, the target module 4, and the light source module 3 are sequentially disposed along the same optical axis.
In an embodiment of the present invention, as shown in fig. 1 and fig. 2, the object module 4 includes a first mounting base 41, at least two light modulation panels 42, and at least one adjusting member 43, the first mounting base 41 is rotatably disposed on the mounting bracket 1, and the first mounting base 41 is provided with a first through hole 41 a; each light modulation plate 42 is arranged in the first through hole 41a, and two adjacent light modulation plates 42 are arranged at intervals to form the slit 4 a; at least one of the light adjusting plates 42 is connected to the adjusting member 43, and the adjusting member 43 drives the light adjusting plate 42 to approach or separate from the adjacent light adjusting plate 42, so as to adjust the width of the slit 4 a.
It can be understood that the first mounting seat 41 is rotatably disposed on the mounting bracket 1, and the first mounting seat 41 can drive the slit 4a to rotate, so as to change the direction of the slit 4a, thereby implementing a multi-directional performance test. The first through hole 41a is provided, and two ends of the first through hole 41a are respectively arranged corresponding to the light source module 3 and the imaging module 2, so that light emitted from the light source module 3 can be ensured to smoothly enter the slit 4a, and imaging of the slit 4a by the optical lens 6 can be ensured. Meanwhile, the light adjusting plate 42 can be moved by the adjusting member 43 to adjust the width of the slit 4 a. In this embodiment, the adjusting member 43 is similar to the distance adjusting portion of a micrometer, and is provided with a scale, a rough adjusting knob, and a fine adjusting knob, so that the width of the slit 4a can be accurately adjusted.
In this embodiment, the number of the light modulation plates 42 is two, the number of the adjusting members 43 is one, and the two light modulation plates are spaced apart from each other to form the slit 4 a. One of the light adjusting plates 42 is connected with an adjusting piece 43, and the adjusting piece 43 drives the light adjusting plate 42 to move so as to adjust the distance between the slits 4 a.
In this embodiment, the width of the slit 4a can be adjusted within a range less than 50 μm.
In this embodiment, a sliding seat is disposed below the first mounting seat 41, the mounting bracket 1 is provided with an arc-shaped sliding chute, and the sliding chute is slidably connected to the sliding seat, so as to achieve the sliding connection between the first mounting seat 41 and the mounting bracket 1. The range of the rotation angle of the first mounting seat 41 is 0 ° to 180 °, and the range of the directional rotation of the slit 4a is 0 ° to 180 °.
In an embodiment of the present invention, the mounting bracket 1 is provided with a second through hole 11a, and the second through hole 11a is communicated with the first through hole 41a and is located between the target module 4 and the light source module 3;
the light source module 3 comprises a light source component 31 and a dimming component 32, and the light source component 31 is arranged on the mounting bracket 1; the light adjusting component 32 is arranged in the second through hole 11 a; wherein, the light emitted from the light source assembly 31 is adjusted by the light adjusting assembly 32 and then enters the slit 4 a.
It is understood that the light source assembly 31 serves as a light source for emitting light, and the dimming assembly 32 adjusts the light, and the adjusted light is incident into the slit 4 a. The light adjusting assembly 32 is disposed in the second through hole 11a, and the second through hole 11a is communicated with the first through hole 41a, so as to ensure that all incident light is adjusted by the light adjusting assembly 32.
In an embodiment of the present invention, as shown in fig. 2, the dimming component 32 includes:
an objective lens 321, the objective lens 321 being disposed in the second through hole 11 a;
a light adjusting lens group 322, wherein the light adjusting lens group 322 is disposed in the second through hole 11a and is located on one side of the objective lens 321 facing the light source assembly 31; the dimming lens group 322 is spaced apart from the objective lens 321; the light adjusting lens group 322 is used for adjusting the brightness of the light entering the slit 4 a;
the light emitted from the light source assembly 31 sequentially passes through the light adjusting lens group 322 and the objective lens 321 and then enters the slit 4 a.
It is understood that the objective lens 321 is a lens group formed by combining several lenses. The combined use aims to overcome the imaging defects of a single lens and improve the optical quality of the objective lens 321. The dimming lens group 322 can adjust the brightness of the light entering the slit 4a to obtain image information under different brightness, thereby implementing the performance test of the optical lens 6.
In an embodiment of the present invention, as shown in fig. 2, the light adjusting lens group 322 includes two polarizing plates 3221 disposed in the second through hole 11a, the two polarizing plates 3221 are sequentially disposed along an axial direction of the second through hole 11a, and at least one of the polarizing plates 3221 can rotate around an axis of the second through hole 11 a. It is understood that the brightness of the light can be adjusted by only rotating at least one of the polarizers 3221 to adjust the positions of the two polarizers 3221.
In this embodiment, one of the polarizers 3221 is fixed in the second through hole 11a, the other polarizer 3221 is rotatably disposed in the second through hole 11a, and the polarizer 3221 can rotate 360 °, so that when the two polarizers 3221 are aligned, the light is brightest, and when the two polarizers 3221 are perpendicular, the light is darkest, and even no light may pass through.
In an embodiment of the present invention, as shown in fig. 1 and fig. 2, the mounting bracket 1 is provided with a target boss 11, the target boss 11 is located on a side of the light source assembly 31 facing the target module 4, the target boss 11 is provided with the second through hole 11a, and the target module 4 is provided on the target boss 11;
one of the two polarizing plates 3221 disposed close to the light source assembly 31 is rotatably disposed in the second through hole 11a, and the other polarizing plate 3221 is fixedly disposed in the second through hole 11 a.
In this embodiment, to facilitate the operation of the rotatable polarizer 3221, the polarizer 3221 disposed close to the light source assembly 31 is rotatably disposed in the second through hole 11a, and the polarizer 3221 disposed close to the target assembly is fixedly disposed in the second through hole 11 a. The rotatable polarizer 3221 is defined as an adjustable polarizer 3221, a mounting sleeve is disposed on the periphery of the adjustable polarizer 3221, the mounting sleeve is rotatably connected to the hole wall of the second through hole 11a, and a protruding point is convexly disposed on the mounting sleeve, so that the adjustable polarizer 3221 can be driven to rotate by the protruding point.
It can be understood that, by providing the above-mentioned target boss 11 on the mounting bracket 1, the mounting and adjustment of the light source assembly 31 and the dimming assembly 32 can be realized, and the structure is simple and the cost is low.
In an embodiment of the present invention, as shown in fig. 1 and 2, the mounting bracket 1 is provided with a driving module 5, and the driving module 5 includes:
the driving motor 51 is arranged on the mounting bracket 1;
the screw rod 52 is arranged on the mounting bracket 1, and the screw rod 52 is connected with the output end of the driving motor 51;
the guide rail 53 is arranged on the mounting bracket 1, and is parallel to the screw rod 52 and arranged at intervals;
a second mounting seat 54, wherein the second mounting seat 54 is movably arranged on the screw rod 52 and the guide rail 53; the imaging module 2 is arranged on the second mounting seat 54;
the driving motor 51 drives the screw rod 52 to rotate, so as to drive the second mounting seat 54 to move, and the imaging module 2 is close to or far from the target module 4.
It will be appreciated that the guide rail 53 provides a guide and limit for the movement of the second mounting base 54 by providing a power source to the drive motor 51. The driving motor 51 drives the screw rod 52 to rotate, and the screw rod 52 drives the second mounting seat 54 to move along the guide rail 53, so that the imaging module 2 and the optical lens 6 are close to or far away from the target module 4, and focusing can be achieved.
In an embodiment of the present invention, as shown in fig. 1 and fig. 2, the driving module 5 further includes a third mounting seat 55, and the third mounting seat 55 is rotatably connected to the second mounting seat 54; the imaging module 2 is disposed on the third mounting seat 55.
It can be understood that the rotational adjustment of the imaging module 2 and the optical lens 6 is achieved by providing the third mount 55. In the present embodiment, the rotation angle of the third mount 55 with respect to the second mount 54 ranges from 0 ° to 180 °. In this embodiment, the third mounting structure is provided with a handle 56, and the angle of the third mounting seat can be adjusted by turning the handle 56.
In an embodiment of the present invention, as shown in fig. 1 and fig. 2, the imaging module 2 includes:
the fourth mounting seat 21 is arranged on the third mounting seat 55, and is provided with an accommodating cavity 21a for placing the optical lens 6;
the test camera 22 is arranged on the fourth mounting seat 21 and corresponds to the accommodating cavity 21a, so as to photograph an image formed by the optical lens 6;
the optical filter 23 is arranged on the fourth mounting seat 21 and is positioned on one side, facing the accommodating cavity 21a, of the test camera 22; and
and a third polarizer 24, wherein the third polarizer 24 is disposed on the fourth mounting seat 21 and is located on a side of the optical lens 6 facing the target module 4.
It is understood that the fourth mounting seat 21 provides a mounting base, the optical lens 6 can image the slit 4a, and the test camera 22 can photograph the image formed by the optical lens, so as to allow a subsequent processor to analyze the image to obtain performance parameters of the optical lens 6. The optical filter 23 can be used to select light rays with a desired waveband, eliminate stray light and improve the precision of performance testing. The third polarizer 24 is located between the optical lens 6 and the target module 4, and can correct the light entering the optical lens.
In this embodiment, the third polarizer 24 is rotatably disposed on the fourth mounting base 21, and the rotation angle of the third polarizer 24 ranges from 0 ° to 180 °.
The utility model also provides optical lens 6 test equipment, wherein the optical lens 6 test equipment comprises the optical lens 6 test platform and a processor, and the processor is connected with the imaging module 2 of the optical lens 6 test platform. The optical lens 6 testing platform has all the features and technical effects of the above embodiments, and will not be described in detail herein. In this embodiment, the processor is a computer.
When the present embodiment is in operation, light emitted from the light source assembly 31 passes through the dimming lens group 322 to adjust the brightness, and then is focused on the slit 4a through the objective lens 321. The optical lens 6 is moved through the driving module 5, and the testing camera 22 sends the real-time image to the processor, and the processor analyzes the image and feeds back a displacement signal to the driving module 5 to realize automatic focusing. After focusing is completed, the test camera 22 sends the image of the slit 4a where the optical camera is located to the processor, and the MTF curve of the optical lens 6 is obtained through calculation. The orientation of the slit 4a can be altered to enable multi-directional MTF measurements. And finally, comparing the image size of the slit 4a with the actual size to obtain a magnification value and a distortion value of the lens in the current working state. The illuminance curve of the optical lens 6 is obtained from the gradation distribution of the image.
The above description is only an alternative embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An optical lens test platform, comprising:
mounting a bracket;
the imaging module is movably arranged on the mounting bracket and used for placing an optical lens to be detected;
the light source module is arranged on the mounting bracket; and
the target module is arranged on the mounting bracket and is positioned between the imaging module and the light source module; the target module is provided with a slit, and the width of the slit is adjustable;
the light emitted by the light source module is emitted from the slit and imaged through the optical lens, and the imaging module shoots an image formed by the optical lens.
2. The optical lens testing platform of claim 1, wherein the target module comprises:
the first mounting seat is rotatably arranged on the mounting bracket and provided with a first through hole;
each light modulation plate is arranged in the first through hole, and the adjacent two light modulation plates are arranged at intervals to form the slit; and
at least one adjusting piece, at least one the light modulation board with the adjusting piece is connected, the adjusting piece drive the light modulation board be close to or keep away from adjacent the light modulation board to adjust the width of slit.
3. The optical lens testing platform as claimed in claim 2, wherein the mounting bracket is provided with a second through hole, the second through hole is communicated with the first through hole and is located between the target module and the light source module;
the light source module includes:
the light source assembly is arranged on the mounting bracket; and
the dimming component is arranged in the second through hole;
wherein, the light that the light source subassembly sent is thrown into the slit after adjusting through the subassembly of adjusting luminance.
4. The optical lens test platform of claim 3, wherein the dimming component comprises:
the objective lens is arranged in the second through hole;
the light adjusting lens group is arranged in the second through hole and is positioned on one side of the objective lens facing the light source component; the dimming lens group is arranged at a distance from the objective lens; the light adjusting lens group is used for adjusting the brightness of the light rays emitted into the slit;
and the light rays emitted from the light source component sequentially pass through the dimming lens group and the objective lens and then enter the slit.
5. An optical lens testing platform according to claim 4, wherein the light adjusting lens set comprises two polarizers disposed in the second through hole, the two polarizers are sequentially disposed along an axial direction of the second through hole, and at least one of the polarizers can rotate around an axis of the second through hole.
6. The optical lens testing platform as claimed in claim 5, wherein the mounting bracket is provided with a target boss, the target boss is located on a side of the light source assembly facing the target module, the target boss is provided with the second through hole, and the target module is located on the target boss;
one of the two polaroids, which is close to the light source module, is rotatably arranged in the second through hole, and the other polaroid is fixedly arranged in the second through hole.
7. An optical lens testing platform as claimed in claim 1, wherein the mounting bracket is provided with a driving module, the driving module comprising:
the driving motor is arranged on the mounting bracket;
the screw rod is arranged on the mounting bracket and is connected with the output end of the driving motor;
the guide rail is arranged on the mounting bracket, is parallel to the screw rod and is arranged at intervals;
the second mounting seat is movably arranged on the screw rod and the guide rail; the imaging module is arranged on the second mounting seat;
the driving motor drives the screw rod to rotate so as to drive the second mounting base to move, and the imaging module is close to or far away from the target module.
8. The optical lens testing platform as claimed in claim 7, wherein the driving module further comprises a third mounting seat, and the third mounting seat is rotatably connected to the second mounting seat; the imaging module is arranged on the third mounting seat.
9. The optical lens testing platform as claimed in claim 8, wherein the imaging module comprises:
the fourth mounting seat is arranged on the third mounting seat and is provided with an accommodating cavity for placing the optical lens;
the test camera is arranged on the fourth mounting seat and corresponds to the accommodating cavity so as to photograph images formed by the optical lens;
the optical filter is arranged on the fourth mounting seat and is positioned on one side, facing the accommodating cavity, of the test camera; and
and the third polaroid is arranged on the fourth mounting seat and is positioned on one side of the optical lens facing the target module.
10. An optical lens testing apparatus, characterized in that the optical lens testing apparatus comprises:
an optical lens test platform as claimed in any one of claims 1 to 9; and
and the processor is connected with the imaging module of the optical lens test platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121437729.7U CN215338829U (en) | 2021-06-25 | 2021-06-25 | Optical lens test platform and optical lens test equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121437729.7U CN215338829U (en) | 2021-06-25 | 2021-06-25 | Optical lens test platform and optical lens test equipment |
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| CN215338829U true CN215338829U (en) | 2021-12-28 |
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| CN202121437729.7U Active CN215338829U (en) | 2021-06-25 | 2021-06-25 | Optical lens test platform and optical lens test equipment |
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