CN217331564U - Screening device for lens group with optical imaging definition consistency - Google Patents
Screening device for lens group with optical imaging definition consistency Download PDFInfo
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- CN217331564U CN217331564U CN202123371968.XU CN202123371968U CN217331564U CN 217331564 U CN217331564 U CN 217331564U CN 202123371968 U CN202123371968 U CN 202123371968U CN 217331564 U CN217331564 U CN 217331564U
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Abstract
The utility model discloses a screening device is organized to mirror of optical imaging definition uniformity, include: marking a plate; the first lens group seat is used for fixing a first optical lens group to be detected; the second lens group seat is used for fixing the second optical lens group; the camera is used for acquiring the image of the standard plate; the adjusting bracket is used for adjusting the distance between the first lens group seat and the second lens group seat relative to the camera; and a display in communication with the camera for displaying the image of the target version. The utility model discloses a sieving mechanism's structure is adjustable, is applicable to the detection mode of detecting preceding mirror group and rear mirror group as first optical lens group respectively.
Description
Technical Field
The utility model belongs to the technical field of the optics processing, especially, relate to a screening device is organized to mirror of optical imaging definition uniformity.
Background
In the definition detection process of the existing optical lens group, the front and rear lens groups are directly installed in the lens cone, two groups of three fixing screws around the lens cone are screwed down to respectively fix the front and rear lens groups, the lens cone is manually rotated to perform phase modulation on the projector, and lines on a standard plate are projected on the wall of a darkroom to be detected by naked eyes of detection personnel. If four corners projected by the standard plate are clear and inconsistent, a detector loosens three fixing screws of the front lens group or the rear lens group, and the position of one threaded hole of the front lens group or the rear lens group is rotated for phase modulation again. The four corners are clear and uniform by repeatedly rotating the positions of the front lens group or the rear lens group, and if the positions of the front lens group or the rear lens group cannot meet the requirement after rotation, the front lens group or the rear lens group needs to be replaced.
The main reason for such repeated operation is that the image of the lens group itself is not uniform, and the non-uniformity of the lens group itself needs to be counteracted by the mutual cooperation between the lens groups. Such repeated commissioning of a product takes approximately 30 minutes, which is time consuming and inefficient.
In order to improve the efficiency of debugging product, this application has proposed the lens group sieving mechanism of optical imaging definition uniformity, and this sieving mechanism is used for sieving the inhomogeneous optical lens group of formation of image earlier before the phase modulation in order to improve the debugging efficiency of product.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem that the imaging unevenness of the lens group can not be detected in advance in the prior art, the utility model aims to provide a lens group screening device which can detect whether the imaging of the optical lens group is even and has the optical imaging definition consistency.
The application provides a screening device of lens group of optical imaging definition uniformity includes:
marking a plate;
the first lens group seat is used for fixing a first optical lens group to be detected;
the second lens group seat is used for fixing the second optical lens group;
the camera is used for acquiring the image of the standard plate;
the adjusting bracket is used for adjusting the distance between the first lens group seat and the second lens group seat relative to the camera; and
a display in communication with the camera for displaying an image of the target.
According to an embodiment of the present application, when the first optical lens group is a rear lens group, the target plate, the second lens group holder, the first lens group holder, and the camera are sequentially disposed along an optical axis from an object side surface to an image side surface of the first optical lens group;
when the first optical lens group is a front lens group, the target plate, the first lens group holder, the second lens group holder and the camera are sequentially arranged on an optical axis from an object side surface to an image side surface of the first optical lens group;
the first optical lens group is arranged in the first lens group seat, and the second optical lens group is arranged in the second lens group seat.
According to an embodiment provided by the present application, further comprising: and the light source is used for irradiating the target plate.
According to one embodiment provided herein, the adjustment bracket includes a ball screw.
According to an embodiment provided by the present application, further comprising: and the standard plate support is used for fixing the standard plate.
According to one embodiment provided herein, the reticle support includes:
the standard version support includes:
the first end is used for fixing the standard plate bracket;
a second end for mounting the target plate; and
the connecting rod, the connecting rod is connected respectively first end with the second end, the direction of connecting rod is adjustable.
According to an embodiment provided by the present application, a rotating mechanism is disposed in the first lens group holder, and the rotating mechanism is connected to the first optical lens group and rotates together with the first optical lens group.
According to one embodiment provided herein, the display includes: liquid crystal display, projecting apparatus.
According to an embodiment provided by the present application, further comprising: and the platform is used for setting the screening device of the lens group with the optical imaging definition consistency.
According to an embodiment provided by the present application, the platform is further provided with a light hole, and the light hole is located in a light path between the target plate and the camera.
The utility model has the advantages that:
the utility model discloses a with first optical lens group as waiting the optical lens group of screening, select the second optical lens group of having rectified as the standard, whether the formation of image that detects first optical lens group through the formation of image that first optical lens group and second optical lens group were organized is even to select the inhomogeneous first optical lens group of formation of image fast. The utility model discloses a sieving mechanism's structure is adjustable, is applicable to the detection mode as first optical lens group before detecting group and rear mirror group respectively. The utility model discloses still regard as one of visual means of adjusting with the camera, be different from the mode through the naked eye observation behind the projection wall of mark version, the readable image data of computer program that the camera obtained can be further looked over by people's eye after enlargeing, has improved the efficiency and the degree of accuracy of screening camera lens more.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a perspective view of a screening apparatus for a lens group with consistent optical imaging sharpness, provided in example 1;
fig. 2 is a front view of the screening apparatus for a lens group with consistent optical imaging sharpness provided in example 1;
fig. 3 is a top view of the optical imaging sharpness consistency screening apparatus provided in example 1;
fig. 4 is a perspective view of the screening apparatus for a lens group with consistent optical imaging sharpness provided in example 2.
The reference numbers illustrate:
1-marking;
2-a first lens group mount;
3-a second lens group holder;
4-a camera;
5-adjusting the support;
6-a display;
7-a light source;
8-standard plate support;
9-a platform;
10-light hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Exemplary embodiments
The application provides a screening device of lens group of optical imaging definition uniformity includes:
a standard plate 1;
the first lens group seat 2 is used for fixing a first optical lens group to be detected;
a second lens group holder 3 for fixing a second optical lens group;
the camera 4 is used for acquiring the image of the target plate 1;
an adjusting bracket 5 for adjusting the distance between the first lens group holder 2 and the second lens group holder 3 relative to the camera 4; and
a display 6 in communication with the camera 4 for displaying an image of the reticle 1.
Optionally, when the first optical lens group is a rear lens group, the target plate 1, the second lens group holder 3, the first lens group holder 2, and the camera 4 are sequentially disposed along an optical axis from an object side surface to an image side surface of the first optical lens group;
when the first optical lens group is a front lens group, the target plate 1, the first lens group holder 2, the second lens group holder 3 and the camera 4 are sequentially arranged on an optical axis from an object side surface to an image side surface of the first optical lens group;
the first optical lens group is arranged in the first lens group seat 2, and the second optical lens group is arranged in the second lens group seat 3.
Optionally, the method further includes: a light source 7 for illuminating the reticle 1.
Optionally, the adjusting bracket 5 comprises a ball screw.
Optionally, the method further includes: and the standard plate bracket 8 is used for fixing the standard plate 1.
Optionally, the reticle support 8 includes:
the reticle stage 8 includes:
a first end for fixing the reticle support 8;
a second end for mounting the standard plate 1; and
the connecting rod, the connecting rod is connected respectively first end with the second end, the direction of connecting rod is adjustable.
Optionally, a rotating mechanism is arranged in the first lens group holder 2, and the rotating mechanism is connected with the first optical lens group and rotates together with the first optical lens group.
Optionally, the display 6 includes: liquid crystal display, projecting apparatus.
Optionally, the method further includes: and the platform 9 is used for setting the screening device of the lens group with the optical imaging definition consistency.
Optionally, the platform 9 is further provided with a light hole 10, and the light hole 10 is located in a light path between the standard plate 1 and the camera 4.
Detailed description of the preferred embodiment 1
Fig. 1 is a perspective view of the screening apparatus for lens groups according to the present embodiment. Fig. 2 shows a front view of the optical imaging resolution consistency lens group screening apparatus according to the embodiment. Fig. 3 is a top view of the optical imaging sharpness consistency lens group screening apparatus according to the embodiment.
Be used for screening the rear mirror group in this embodiment, mirror group sieving mechanism of this embodiment optical imaging definition uniformity includes:
a standard plate 1;
the first lens group seat 2 is used for fixing a first optical lens group to be detected;
a second lens group holder 3 for fixing a second optical lens group;
the camera 4 is used for acquiring the image of the target plate 1;
an adjusting bracket 5 for adjusting the distance between the first lens group holder 2 and the second lens group holder 3 relative to the camera 4; and
a display 6 in communication with the camera 4 for displaying an image of the reticle 1.
The target plate 1, the second lens group holder 3, the first lens group holder 2 and the camera 4 are sequentially arranged on an optical axis from an object side surface to an image side surface of the first optical lens group; the first optical lens group is arranged in the first lens group seat 2, and the second optical lens group is arranged in the second lens group seat 3.
The light reflected by the target 1 passes through the second optical lens group and the first optical lens group in sequence and is then captured by the camera 4, wherein the second optical lens group is an optical lens group with adjusted optical definition.
In this embodiment, in order to let the mark version 1 acquire enough clear images at the camera 4, the utility model discloses still be provided with light source 7, thereby this light source 7 is used for shining to mark version 1 and makes mark version 1 form enough luminance and show the lines on the mark version 1. The light source 7 may be arranged on the same side or on a different side of the light path from the reticle 1 to the camera 4. For example, the light source 7 is disposed at one side of the camera 4, and after the light of the light source 7 irradiates the target plate 1, the light is reflected by the target plate 1 and passes through the second optical lens group and the first optical lens group in sequence, and then is captured by the camera 4, so as to obtain a clear image of the target plate 1. For another example, the light source 7 is disposed behind the target plate 1, and light of the light source 7 passes through the transparent target plate 1, passes through the second optical lens group and the first optical lens group in sequence, and is then captured by the camera 4, thereby obtaining a clear image of the target plate 1.
In this embodiment, the adjusting bracket 5 includes a ball screw, and the ball screw includes a screw rod, a nut seat, and a motor. The nut seat is arranged on the screw rod, and the screw rod is connected to an output shaft of the motor. The motors can be selected from servo motors or stepping motors and are selected according to the precision of screening operation. The motor drives the lead screw to rotate, so that the driving nut seat moves above the lead screw. Wherein the nut seat is connected with the camera 4, and the first lens group seat 2 and the second lens group seat 3 are arranged at the lower end of the camera 4. The screw rod driven by the motor drives the nut seat and the camera 4 to move up and down along the screw rod, so that the distance between the first lens group seat 2 and the second lens group seat 3 is adjusted to be larger than the distance between the camera 4, the camera 4 is adjusted to the imaging focal length suitable for the front lens group and the rear lens group, and a generally clear image of the target plate 1 is obtained.
In this embodiment, the apparatus further includes a standard plate support 8, and the standard plate support 8 includes a connecting rod, and a first end and a second end at two ends of the connecting rod. The first end is used for fixing the standard plate support 8, the second end is used for installing the standard plate 1, the position of the standard plate 1 can be adjusted by adjusting the standard plate support 8, and the position of the standard plate 1 is supposed to be at the front end of the camera 4. Because the utility model discloses the device adopts different detection direction and detection position when the group is organized around the screening, so need adjust the position of mark version support 8 and mark version 1 and cooperate corresponding experimental demand.
In the present embodiment, a rotation mechanism is preferably disposed in the first lens group holder 2, and the rotation mechanism is connected to the first optical lens group and rotates together with the first optical lens group. The rotating mechanism can be formed by a ring and a clamp which are connected with the first optical lens group, and the ring or the clamp can rotate by taking the optical axis as the axis. When the first optical lens group is screened, the rotating mechanism is manually or mechanically and automatically rotated to enable the first optical lens group to rotate along the optical axis, and whether the imaging performance of the first optical lens group meets the standard or not is judged by observing or detecting whether the surrounding imaging of the image of the target plate 1 displayed in the display 6 is clear and uniform through a computer. And if the standard is not met, the first optical lens group is taken down, and the lens structure in the first optical lens group is corrected and debugged.
In the present embodiment, the display 6 includes: image displays such as liquid crystal displays, projectors, and the like are used. Among them, a liquid crystal display screen and the like are preferred. Due to the adoption of the combination of the camera 4 and the display 6, the image acquired by the camera 4 can be amplified and reduced under the assistance of a computer, and the original fine imaging pattern around the standard plate 1 is amplified, so that the image is more accurately analyzed and judged.
In this embodiment, the apparatus further includes a platform 9, and the platform 9 is used for setting the screening apparatus for lens group with consistent optical imaging sharpness. Optionally, the platform 9 is further provided with a light hole 10, and the light hole 10 is located in a light path between the standard plate 1 and the camera 4. Adjust support 5, first mirror group seat 2, second mirror group seat 3, camera 4 and display 6 setting on platform 9 in this embodiment, wherein just set gradually second mirror group seat 3, first mirror group seat 2 and camera 4 to the top of light trap 10, lie in the below of light trap 10 and set up mark version 1, wherein should mark version 1 and be held fixedly by the second of mark version support 8, mark version support 8's first end is connected at the edge of platform 9.
When the rear lens group is screened, the rear lens group is used as a first optical lens group, the front lens group is used as a second optical lens group, and the specific screening process comprises the following steps:
1. the monitor 6 is connected to a power supply, and the camera 4 and the monitor 6 are connected by an HDMI cable.
2. The second optical lens group is fixed on the second lens group seat 3 by screws, and the processing lens group seat is fixed on the adjusting bracket 5 by screws.
3. The camera 4 is fixed on the adjusting bracket 5, wherein the camera 4 is located above the first and second lens group holders 2, 3.
4. The target plate support 8 is fixed on one side of the platform 9, the target plate 1 is arranged below the platform 9 and is positioned on the optical axis of the camera 4 and the lens group, and the light source 7 is moved to a proper position to enable the target plate 1 to present enough brightness.
5. A first optical lens group to be detected is placed in the first lens group seat 2, the camera 4 is opened to obtain images and find the position of the mark plate 1, the position of the camera 4 which is vertically positioned on the adjusting support 5 enables the images on the display 6 to be gradually clear, and the adjustment is stopped when the position of the optimal definition is located. Meanwhile, the position of the standard plate 1 can be properly moved, so that the standard plate 1 is imaged at the corner position.
6. Pressing the zoom-in key inherent to the camera 4 causes the image to be displayed on the display 6 in a magnified manner.
7. The first optical lens group is pushed against one end of the first optical lens group and rotated, and whether imaging is clear or not is observed while rotating, and whether imaging is worse along with the rotation or not is observed. If the image definition is poor, the first optical lens group is taken out, the pressing ring of the first optical lens group is loosened, then the inner lenses are slightly pushed or rotated, the pressing ring is screwed down after the adjustment is finished, the first optical lens group is placed into the first lens group seat 2, and the step 5 is repeated for rechecking.
Specific example 2
Fig. 4 is a perspective view of the screening apparatus for lens groups according to the present embodiment.
The present embodiment is used for screening rear lens groups, and the screening apparatus for screening lens groups with consistent optical imaging sharpness includes:
a standard plate 1;
the first lens group seat 2 is used for fixing a first optical lens group to be detected;
a second lens group holder 3 for fixing a second optical lens group;
the camera 4 is used for acquiring the image of the target plate 1;
an adjusting bracket 5 for adjusting the distance between the first lens group holder 2 and the second lens group holder 3 relative to the camera 4; and
a display 6 in communication with the camera 4 for displaying an image of the reticle 1.
The target plate 1, the first lens group seat 2, the second lens group seat 3 and the camera 4 are sequentially arranged on an optical axis from an object side surface to an image side surface of the second optical lens group; the second optical lens group is arranged in the second lens group seat 3, and the first optical lens group is arranged in the first lens group seat 2.
The light reflected by the target plate 1 sequentially passes through a first optical lens group and a second optical lens group and then is acquired by the camera 4, wherein the first optical lens group is an optical lens group with adjusted optical definition.
In this embodiment, in order to let the standard version 1 obtain enough clear images at the camera 4, the utility model discloses still be provided with light source 7, thereby this light source 7 is used for shining to standard version 1 and makes standard version 1 form enough luminance and show the lines on the standard version 1. The light source 7 may be arranged on the same side or on a different side of the optical path from the reticle 1 to the camera 4. For example, the light source 7 is disposed at one side of the camera 4, and after the light of the light source 7 irradiates the target plate 1, the light is reflected by the target plate 1 and passes through the second optical lens group and the first optical lens group in sequence, and then is captured by the camera 4, so as to obtain a clear image of the target plate 1. For another example, the light source 7 is disposed behind the target plate 1, and light from the light source 7 passes through the transparent target plate 1, passes through the second optical lens group and the first optical lens group in sequence, and is then captured by the camera 4, thereby obtaining a clear image of the target plate 1.
In this embodiment, the adjusting bracket 5 includes a ball screw, and the ball screw includes a screw rod, a nut seat and a motor. The nut seat is arranged on the screw rod, and the screw rod is connected to an output shaft of the motor. The motors can be selected from servo motors or stepping motors and are selected according to the precision of screening operation. The motor drives the lead screw to rotate, so that the driving nut seat moves above the lead screw. Wherein the nut seat is connected with the camera 4, and the first lens group seat 2 and the second lens group seat 3 are arranged at the lower end of the camera 4. The screw rod driven by the motor drives the nut seat and the camera 4 to move up and down along the screw rod, so that the distance between the first lens group seat 2 and the second lens group seat 3 is adjusted to be larger than the distance between the camera 4, the camera 4 is adjusted to the imaging focal length suitable for the front lens group and the rear lens group, and a generally clear image of the target plate 1 is obtained.
In this embodiment, the apparatus further includes a standard plate support 8, where the standard plate support 8 includes a connecting rod, and a first end and a second end at two ends of the connecting rod. The first end is used for fixing the standard plate support 8, the second end is used for installing the standard plate 1, the position of the standard plate 1 can be adjusted by adjusting the standard plate support 8, and the position of the standard plate 1 is supposed to be at the front end of the camera 4. Because the utility model discloses the device adopts different detection direction and detection position when the group is organized around the screening, so need adjust the position of mark version support 8 and mark version 1 and cooperate corresponding experimental demand.
In the present embodiment, a rotation mechanism is preferably disposed in the first lens group holder 2, and the rotation mechanism is connected to the first optical lens group and rotates together with the first optical lens group. The rotating mechanism can be formed by a ring and a clamp which are connected with the first optical lens group, and the ring or the clamp can rotate by taking the optical axis as the axis. When the first optical lens group is screened, the rotating mechanism is manually or mechanically and automatically rotated to enable the first optical lens group to rotate along the optical axis, and whether the imaging performance of the first optical lens group meets the standard or not is judged by observing or detecting whether the imaging around the image of the target plate 1 displayed in the display 6 is clear and uniform by a computer. And if the standard is not met, the first optical lens group is taken down, and the lens structure in the first optical lens group is corrected and debugged.
In the present embodiment, the display 6 includes: image displays such as liquid crystal displays, projectors, and the like are used. Among them, liquid crystal display screens and the like are preferred. Because the combination of the camera 4 and the display 6 is adopted, the image acquired by the camera 4 can be amplified and reduced under the assistance of a computer, and the original fine image patterns around the mark plate 1 are amplified, so that the image can be analyzed and judged more accurately.
In this embodiment, the apparatus further includes a platform 9, and the platform 9 is used for setting the screening apparatus for lens group with consistent optical imaging sharpness. Adjust support 5, first lens group seat 2, second lens group seat 3, camera 4 and display 6 setting on platform 9 in this embodiment, from last to setting gradually first lens group seat 2, second lens group seat 3 and camera 4 down, mark version 1 sets up the top at first lens group, and wherein should mark version 1 and hold fixedly by the second of mark version support 8, and the edge at platform 9 is connected to the first end of mark version support 8.
When the rear lens group is screened, the front lens group is used as a first optical lens group, the rear lens group is used as a second optical lens group, and the screening process specifically comprises the following steps:
1. the monitor 6 is connected to a power supply, and the camera 4 and the monitor 6 are connected by an HDMI cable.
2. The second optical lens group is fixed on the second lens group seat 3 by screws and is positioned below the first lens group seat 2, and the processing lens group seat is fixed on the adjusting bracket 5 by screws.
3. The camera 4 is fixed on the adjusting bracket 5, wherein the camera 4 is located below the first and second lens group holders 2, 3.
4. The standard plate support 8 is fixed on one side of the platform 9, the standard plate 1 is arranged above the platform 9 and on the optical axis above the first lens group seat 2, and the light source 7 is moved to a proper position to enable the standard plate 1 to present enough brightness.
5. A first optical lens group to be detected is placed in the first lens group seat 2, the camera 4 is opened to obtain an image and find the position of the target plate 1, the position of the camera 4 which is vertically positioned on the adjusting support 5 enables the image on the display 6 to be gradually clear, and the adjustment is stopped when the position of the optimal definition is reached. Meanwhile, the position of the standard plate 1 can be properly moved, so that the standard plate 1 is imaged at the corner position.
6. Pressing the zoom-in key inherent to the camera 4 causes the image to be displayed on the display 6 in an enlarged manner.
7. The first optical lens group is pushed against one end of the first optical lens group and rotated, and whether imaging is clear or not is observed while rotating, and whether imaging is worse along with the rotation or not is observed. If the image definition is poor, the first optical lens group is taken out, the pressing ring of the first optical lens group is loosened, then the inner lens is slightly pushed or rotated, the pressing ring is screwed down after the adjustment is finished, the first optical lens group is placed into the first lens group seat 2, and the step 5 is repeated for rechecking.
To sum up, the utility model discloses a set first optical mirror as the optical mirror group of waiting to filter, select the second optical mirror group of having rectified and regard as the standard, whether the formation of image that detects first optical mirror group through the formation of image that first optical mirror group and second optical mirror group were organized is even to select the inhomogeneous first optical mirror group of formation of image fast. The utility model discloses a sieving mechanism's structure is adjustable, is applicable to the detection mode as first optical lens group before detecting group and rear mirror group respectively. The utility model discloses still regard as one of visual means of adjusting with camera 4, be different from the mode through the naked eye observation behind the projection to the wall with standard version 1, the readable image data of computer program that camera 4 obtained can be further looked over by people's eye after enlargeing, has improved the efficiency and the degree of accuracy of screening camera lens more.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, improvements, equivalents, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. The utility model provides a lens group sieving mechanism of optical imaging definition uniformity which characterized in that includes:
marking a plate;
the first lens group seat is used for fixing a first optical lens group to be detected;
the second lens group seat is used for fixing the second optical lens group;
the camera is used for acquiring the image of the standard plate;
the adjusting bracket is used for adjusting the distance between the first lens group seat and the second lens group seat relative to the camera; and
a display in communication with the camera for displaying an image of the target.
2. A lenticular screening apparatus of optical imaging sharpness consistency according to claim 1, wherein when the first optical lenticular group is a rear lenticular group, the target plate, the second lenticular group mount, the first lenticular group mount, and the camera are sequentially disposed along an optical axis from an object side surface to an image side surface of the first optical lenticular group;
when the first optical lens group is a front lens group, the target plate, the first lens group holder, the second lens group holder and the camera are sequentially arranged on an optical axis from an object side surface to an image side surface of the first optical lens group;
the first optical lens group is arranged in the first lens group seat, and the second optical lens group is arranged in the second lens group seat.
3. A consistency optical imaging resolution screening apparatus according to claim 1, further comprising:
and the light source is used for irradiating the target plate.
4. A lenticular screening apparatus of optical imaging sharpness consistency according to claim 1, wherein the adjustment support comprises a ball screw.
5. A consistency optical imaging resolution screening apparatus according to claim 1, further comprising:
and the standard plate support is used for fixing the standard plate.
6. A consistency optical imaging resolution screening apparatus according to claim 5, wherein said reticle support comprises:
the standard version support includes:
the first end is used for fixing the standard plate bracket;
a second end for mounting the target plate; and
the connecting rod, the connecting rod is connected respectively first end with the second end, the direction of connecting rod is adjustable.
7. A device for screening lens groups with consistent optical imaging sharpness according to claim 1, wherein a rotating mechanism is disposed in the first lens group holder, and the rotating mechanism is connected to the first optical lens group and rotates together with the first optical lens group.
8. A consistency optical imaging sharpness lenticular screening apparatus according to claim 1, wherein the display comprises: liquid crystal display, projecting apparatus.
9. A lenticular screening apparatus of optical imaging sharpness consistency according to any one of claims 1 to 8, further comprising:
and the platform is used for setting the screening device of the lens group with the optical imaging definition consistency.
10. A lenticular screening apparatus in accordance with claim 9, wherein said platform further includes a light hole in a light path between said target plate and said camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123371968.XU CN217331564U (en) | 2021-12-29 | 2021-12-29 | Screening device for lens group with optical imaging definition consistency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123371968.XU CN217331564U (en) | 2021-12-29 | 2021-12-29 | Screening device for lens group with optical imaging definition consistency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217331564U true CN217331564U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123371968.XU Active CN217331564U (en) | 2021-12-29 | 2021-12-29 | Screening device for lens group with optical imaging definition consistency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217331564U (en) |
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2021
- 2021-12-29 CN CN202123371968.XU patent/CN217331564U/en active Active
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