CN113596435B - Lens detection device - Google Patents
Lens detection device Download PDFInfo
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- CN113596435B CN113596435B CN202010365361.1A CN202010365361A CN113596435B CN 113596435 B CN113596435 B CN 113596435B CN 202010365361 A CN202010365361 A CN 202010365361A CN 113596435 B CN113596435 B CN 113596435B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
- H04N17/002—Diagnosis, testing or measuring for television systems or their details for television cameras
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Abstract
The application provides a lens detection device to realize the detection of a zoom lens. The equipment comprises a frame, a receiving component, a first connecting component and a second connecting component, wherein the receiving component is arranged on the frame and rotates around a central axis of the frame; the receiving assembly comprises a first receiving device and a second receiving device, wherein the first receiving device is used for capturing light rays of at least one preset field of view at a first multiplying power, and the second receiving device is used for capturing the light rays of the at least one preset field of view at a second multiplying power; the self-rotating device is arranged on the rack and used for driving the receiving assembly to rotate around the central axis of the rack; the zooming device is arranged on the frame and used for adjusting the focal length of the lens to be measured; the preset target surface is arranged on one side of the zooming device, which deviates from the receiving component.
Description
Technical Field
The application relates to the technical field of lens testing, in particular to a lens detection device.
Background
The lens on the mobile phone is divided into three types, the first type is a fixed focus lens and is mainly used for taking a main lens by a front lens or a low-cost mobile phone. The second is an AF (auto focus) lens, which mainly focuses by a voice coil motor to realize focusing at different distances. The third is a zoom lens, which changes the focal length of the lens mainly through the position change of the lens group in the lens to realize zooming.
However, both the EFL (effective focal length) and the FOV (field of view angle) in the zoom lens change with the movement of a certain lens group in the zoom lens, which is equivalent to a fixed focus lens generating a plurality of different focal lengths, and the conventional MTF (modulation transfer function) lens can only test one lens with a fixed focal length, and cannot perform corresponding zoom movement and zoom to find a corresponding FOV to perform MTF test, thereby affecting the mass production of the miniaturized zoom lens.
Therefore, an apparatus capable of detecting the zoom lens is required.
Disclosure of Invention
The application provides a lens detection device to realize effective detection of a zoom lens.
The application provides a camera lens check out test set, including the frame install receiving component, rotation device, zoom device and predetermine the target surface in the frame, wherein, the receiving component can rotate on the frame around the axis of frame under rotation device's drive. When the zoom device adjusts the lens to be measured to a first magnification, the first receiving device in the receiving assembly can capture light of at least one field of view under the first magnification, and when the zoom device adjusts the lens to be measured to a second magnification, the second receiving device in the receiving assembly can capture light of at least one field of view under the second magnification. At this time, the first receiving device and the second receiving device can respectively obtain the view field detection results of the lens to be detected under different magnifications, the view field selection under the first magnification can be adjusted according to specific detection requirements, and a plurality of view fields are selected to correspond to a plurality of first receiving devices.
During specific detection, in order to enable the preset target surface to be suitable for detection of different view fields under different multiplying powers, the targets with multiple multiplying powers can be arranged on the preset target surface, so that the preset target surface can be compatible with targets with different focal lengths, and each target corresponds to one receiving device in one receiving assembly to prevent the receiving devices in the receiving assemblies from being overlapped in position.
In a specific embodiment, the receiving assembly can be mounted on a dome mechanism located on the frame, and the rotation device drives the dome mechanism to rotate around the central axis of the frame, so as to drive the receiving assembly to rotate around the central axis of the frame; and the receiving component can be detachably connected with the dome mechanism so as to be convenient for selecting and replacing the receiving component.
According to the dome mechanism in the scheme, the receiving assembly is installed on the dome mechanism, the dome mechanism can comprise at least one connecting plate, the connecting plate is provided with the arc-shaped installation channel, the arc-shaped installation channel extends along the direction far away from the central axis, the arc-shaped installation channel is provided with the installation portion used for installing the receiving assembly, and the installation portion can move in a reciprocating mode along the extending direction of the arc-shaped installation channel so as to adjust the position of the receiving assembly installed on the installation portion. Simultaneously, still can be equipped with the angle sign on the connecting plate, because of install the back on arc installation passageway at the installation department, need make the installation department corresponding with the mark target on the predetermined target surface, the setting of angle sign, can be quick fixes a position the installation department, and when adjusting the position of installation department, also can directly refer to the adjustment of angle sign.
The structure of installation department in above-mentioned scheme can include: the mounting frame and the connecting piece are used for connecting the mounting frame with the arc-shaped mounting channel in a matching mode, and the specific number of the mounting frames is determined according to the number of the first receiving devices and the second receiving devices in the receiving assembly. According to the arrangement mode, the mounting frame can be mounted on the arc-shaped mounting channel through the connecting piece, and the tightness between the mounting frame and the arc-shaped mounting channel can be adjusted, so that the mounting frame can be adjusted in the position of the arc-shaped mounting channel.
Specifically, the mounting frame may have a plurality of structures, one of which is that the mounting frame includes a first connecting arm, the first connecting arm includes a limiting block, a sliding block connected to the limiting block, and a clamping groove located on one side of the sliding block away from the limiting block; when installing the mounting bracket on arc installation passageway, the slider is arranged in arc installation passageway, and stopper and connecting plate are close to one side butt of arc installation passageway, and the draw-in groove is used for establishing arc installation passageway and connecting plate towards the part card between the camera lens one side that awaits measuring, and the connecting piece passes the through-hole of establishing on the slider, and the connecting plate butt, wherein, the butt end of connecting piece and connecting plate and stopper are located the both sides of connecting plate. In addition, the mounting bracket still including connect in the first linking arm and deviate from the second linking arm of connecting plate one side, and the second linking arm can remove on first linking arm.
In a specific implementation process, the two connecting plates can be arranged in a crossed manner; the included angle between the two connecting plates can be formed as long as the first receiving device and the second receiving device which are arranged on the two connecting plates are ensured not to interfere with each other. Meanwhile, the connecting part between the two connecting plates can coincide with the rotating shaft on the rotation device, and the central axis of the rack coincides with the axis of the rotating shaft, namely, the connecting part between the two connecting plates is positioned on the path of the central axis of the rack. This kind of mode of setting up, the rotation axis is driving two connecting plate pivoted stability height to guarantee the capture light that the receiving assembly can be stable.
In the scheme, the mounting plate can be arranged between the connecting plates and the rotating shaft, the fixing frame is arranged on the connecting portion of the two connecting plates on one side of the mounting plate, which is connected with the two connecting plates, at the moment, the connecting portion can be hollow, the fixing frame is directly connected with the mounting plate, the fixing frame is provided with the central receiving device, the central receiving device is overlapped with the central axis of the rack, and the central receiving device captures light rays which pass through the preset target surface and pass through the lens to be measured. The arrangement mode is convenient for positioning the first receiving device and the second receiving device.
Drawings
Fig. 1 is a front view of a lens detection apparatus provided in an embodiment of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1;
fig. 3 is a first schematic structural diagram of a mount in a lens inspection apparatus according to an embodiment of the present application;
fig. 4 is a second schematic structural diagram of a mounting portion in a lens inspection apparatus according to an embodiment of the present application;
fig. 5 is a first schematic structural diagram illustrating a dome mechanism without a mounting portion in a lens inspection apparatus according to an embodiment of the present disclosure;
fig. 6 is a second schematic structural diagram illustrating a dome mechanism without a mount in a lens inspection apparatus according to an embodiment of the present disclosure;
fig. 7 is a schematic structural diagram of a lens inspection apparatus provided in the embodiment of the present application without a zoom device and a preset target surface;
fig. 8 is a top view of a lens detection apparatus provided in the embodiment of the present application, in which four targets are arranged on a preset target surface;
FIG. 9 is a plot of the data collected for FIG. 8;
fig. 10 is a MTF curve at one time of a lens detection apparatus according to an embodiment of the present application;
fig. 11 is an MTF curve under three times for a lens detection apparatus provided in an embodiment of the present application;
fig. 12 is a top view of a lens inspection apparatus according to an embodiment of the present disclosure, in which a plurality of targets are disposed on a predetermined target surface.
Reference numerals are as follows:
10-a frame;
20-a rotation device;
30-a zoom apparatus;
40-presetting a target surface;
50-a dome mechanism;
51-a mounting portion;
511-a mounting frame;
512-a connector;
5111-first connecting arm;
5112-card slot;
5113-a slider;
5114-a chute;
5115-a limiting block;
5116-a second link arm;
5117-grooves;
5118-slotting;
5119-structural member;
52-a connecting plate;
521-an arc-shaped plate;
522-angle identification;
53-arc installation channel;
54-a mounting plate;
55-fixing frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be described in further detail with reference to the accompanying drawings.
The terminology used in the following examples is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of this application and the appended claims, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, such as "one or more", unless the context clearly indicates otherwise.
Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.
The zoom lens can be widely applied to mobile phones and flat plates, but the optical imaging quality (resolution) of the zoom lens needs to be detected after the zoom lens is produced, but the existing equipment can only test one lens with a fixed focal length at present, the corresponding zooming movement of the lens to be detected cannot be carried out, and the corresponding FOV cannot be found on the equipment after the lens to be detected is zoomed; therefore, the embodiment of the application provides the detection that the lens detection equipment can be applied to the zoom lens.
Fig. 1 is a front view of a lens detection apparatus provided in an embodiment of the present application; as shown in fig. 1, the lens detection apparatus in the present application may include a rack 10, and a preset target surface 40, a zoom device 30, a rotation device 20, and a receiving assembly (not shown in the figure) mounted on the rack 10, where the preset target surface 40, the zoom device 30, the receiving assembly, and the rotation device 20 are sequentially arranged in a sequence from low to high, when a lens to be detected is detected, a central axis passes through the lens to be detected, the lens to be detected is adjusted to a first magnification corresponding to a first receiving device in the receiving assembly by the zoom device 30, at this time, the rotation device 20 drives the receiving assembly to rotate around the central axis of the rack 10 for one circle, and the first receiving device can capture light of at least one field under the first magnification; after the detection of the field of view at the first magnification is completed, the zoom device 30 adjusts the lens to be detected to the second magnification, the rotation device 20 drives the receiving assembly to rotate around the central axis of the rack 10 for a circle, and the second receiving device can capture the light of at least one field of view at the second magnification; therefore, the lens detection equipment can detect the lens to be detected under different multiplying powers, and the detection of the zoom lens is realized.
It should be noted that, when the zoom apparatus 30 adjusts the lens to be measured, that is, when the lens group in the lens is moved in the Z direction (i.e., the direction shown in fig. 1), there are various structures that can move the lens group in the Z direction, and this part is not described in detail here, and as long as it can zoom the lens, it is applicable to this embodiment; when the lens to be measured is disposed on the zoom device 30, the central axis of the frame 10 coincides with the optical axis of the lens to be measured.
In a specific embodiment, it is necessary to mount the receiving assembly on the frame 10 so that the rotation device 20 mounted on the frame 10 can drive the receiving assembly to rotate around the central axis of the frame 10; therefore, with continued reference to fig. 1, a dome mechanism 50 may be further disposed on the housing 10, the first receiving device and the second receiving device of the receiving assembly are detachably mounted on the dome mechanism 50, the dome mechanism 50 may be connected to a rotation device 20, the rotation device 20 is mounted on the housing 10, and when the rotation device 20 rotates, the dome mechanism 50 rotates around the central axis of the housing 10 to drive the first receiving device and the second receiving device to rotate. Thus, under the first magnification, the rotation device 20 rotates for a circle, and the first receiving device can capture the light of at least one field of view under the first magnification; under the second magnification, the rotation device 20 continues to rotate for a circle, and the second receiving device captures light rays of at least one field of view under the second magnification, so that the zoom lens is detected. In addition, in this arrangement, the dome mechanism 50 is connected to the first receiving device and the second receiving device in a conventional detachable manner, such as a snap connection, a threaded connection, and the like, and will not be described herein again.
In the above-described embodiment, fig. 2 is a partial enlarged view of fig. 1, and as shown in fig. 1 and 2, since the first receiving device and the second receiving device can be mounted on the dome mechanism 50, the positions of the first receiving device and the second receiving device relative to the dome mechanism 50 can be adjusted in a specific implementation process; accordingly, the dome mechanism 50 may include at least one connecting plate 52, and an arc-shaped mounting channel 53 is provided on the connecting plate 52, the arc-shaped mounting channel 53 may further include a mounting portion 51 connected to the arc-shaped mounting channel 53 and capable of mounting the first receiving device and the second receiving device, and the mounting portion 51 may be adjustable in position on the arc-shaped mounting channel 53, so that the positions of the first receiving device and the second receiving device mounted on the mounting portion 51 may be adjusted to make the first receiving device and the second receiving device correspond to the target on the preset target surface. In this way, the position adjustment of the first receiving device and the second receiving device can be more convenient.
In addition, with reference to fig. 2, the angle mark 522 is arranged on the connecting plate 52, the angle mark 522 is arranged along the extending direction of the arc-shaped mounting channel 53, when the positions of the first receiving device and the second receiving device are adjusted, the position of the mounting portion 51 on the mounting channel is adjusted according to the angle mark 522, the mounting portion 51 can be better and quickly adjusted to the position corresponding to the target, and the position of the mounting portion 51 can be adjusted more accurately and conveniently.
Fig. 3 is a first schematic structural diagram of a mount in a lens inspection apparatus according to an embodiment of the present application; as shown in fig. 3, the mounting portion may include a plurality of mounting brackets 511 and a connecting member 512 for connecting the plurality of mounting brackets 511 with the arc-shaped mounting channel, the number of the mounting brackets 511 corresponds to the number of the first receiving device and the second receiving device, the connecting member 512 is used for locking the mounting brackets 511 on the arc-shaped mounting channel, and the position of the mounting brackets 511 relative to the arc-shaped mounting channel can be adjusted by adjusting the connecting member 512, so as to adjust the position of the mounting brackets 511. In addition, when the mounting bracket 511 is connected to the first receiving device or the second receiving device, the mounting bracket 511 may fix the first receiving device or the second receiving device.
The specific structure of the mounting frame 511 may include multiple structures, and fig. 4 is a schematic structural diagram of a mounting portion in the lens detection apparatus provided in the embodiment of the present application; as shown in fig. 3 and 4, one form of the mounting bracket 511 may be: including being used for the first connecting arm 5111 with arc installation passageway is connected, the one end of first connecting arm 5111 is equipped with draw-in groove 5112 to be formed with slider 5113 between draw-in groove 5112 and the tip of the first connecting arm 5111 that is close to this draw-in groove 5112, be equipped with stopper 5115 at the one end that slider 5113 deviates from draw-in groove 5112, wherein, this slider 5113 can inlay in arc installation passageway, and slide along arc installation passageway's extending direction. Meanwhile, the connection plate is clamped in the clamping groove 5112 by the arc-shaped installation channel and the part of the connection plate facing one side of the zoom device, the first connection arm 5111 is connected with the arc-shaped installation channel in such a way, meanwhile, a through hole is formed in the slider 5113 and used for the connection piece 512 to pass through, the operation end of the connection piece 512 is arranged on one side of the opening of the clamping groove 5112 so that the operation end can be abutted against the connection plate on the side, the limiting block 5115 is arranged on the side opposite to the operation end to ensure that the first connection arm 5111 is stably connected with the arc-shaped installation channel, when the position of the first connection arm 5111 is adjusted, the position of the first connection arm 5111 can be adjusted only by rotating the operation end, and when the specified position is reached, the operation end is adjusted again to fix the position of the first connection arm 5111.
The mounting frame 511 further includes a second connecting arm 5116 connected to the first connecting arm 5111, and the connection between the first connecting arm 5111 and the second connecting arm 5116 may be: a sliding groove 5114 is formed in one side of the first connecting arm 5111, a through groove 5118 communicated with the sliding groove 5114 is formed in the bottom of the sliding groove 5114, wherein the extending direction of the sliding groove 5114 and the extending direction of the through groove 5118 are the same as the length direction of the mounting bracket 511, the second connecting arm 5116 is disposed in the sliding groove 5114, a structural member 5119 (which has the same structure as the connecting member 512) passes through the through groove 5118 and is connected to the second connecting arm 5116, when the structural member 5119 is in a locked state, the position of the second connecting arm 5116 relative to the first connecting arm 5111 is fixed, and when the position of the second connecting arm 5116 on the first connecting arm 51111 needs to be adjusted, the structural member 51119 is adjusted to be in a loose state, so that the second connecting arm 51116 can slide in the sliding groove 5114, and when the second connecting arm 5116 slides to a set position, the structural member 51119 is adjusted to a locked state again, so that the position of the second connecting arm 5116 relative to the first connecting arm 5111 is fixed.
Fig. 5 is a first schematic structural diagram illustrating a dome mechanism without a mount in a lens inspection apparatus according to an embodiment of the present disclosure; as shown in fig. 5, in order to enable more first receiving devices and second receiving devices to be mounted on the dome mechanism, the dome mechanism includes two connecting plates 52, the two connecting plates 52 may be arranged in a cross manner, and the connecting portion of the two connecting plates 52 coincides with the central axis of the rack, and since the axis of the rotating shaft in the rotation device coincides with the central axis of the rack, the axis of the rotating shaft on the rotation device coincides with the connecting portion, and the rotating shaft is connected with the connecting portion, so as to ensure that when the dome mechanism rotates under the driving of the rotation device, the first receiving devices and the second receiving devices mounted on the two connecting plates 52 can stably capture light. Meanwhile, the included angle between the two connection plates 52 may be various angles as long as it is ensured that the first receiving device and the second receiving device mounted on the connection plates 52 do not interfere with each other.
Fig. 6 is a second schematic structural diagram illustrating a dome mechanism without a mounting portion in a lens inspection apparatus according to an embodiment of the present application; fig. 7 is a schematic structural diagram of a lens inspection apparatus provided in the embodiment of the present application without a zoom device and a preset target surface; as shown in fig. 6 and 7, in order to make the connection of the dome mechanism 50 to the rotation device more stable, an attachment plate 54 is further provided between the connection plate 52 and the rotation device, and the center position of the attachment plate 54 corresponds to the rotation axis and the connection portion; thus, when the rotation device drives the mounting plate 54 to rotate, the mounting plate 54 has higher rotation stability. When the mounting plate 54 is disposed between the two connecting plates 52 and the rotating shaft, the connecting portion of the two connecting plates 52 may be in a hollow state, and a fixing frame 55 for a central receiving device is disposed in the hollow portion, where the central receiving device is located, and the central receiving device coincides with the central axis of the frame, so as to capture light passing through the center of the predetermined target surface 40 and passing through the lens to be measured. In addition, in this way, each connecting plate 52 may include two arc plates 521, each arc plate 521 is provided with one arc mounting channel 53, the two arc plates 521 are symmetrically disposed with a hollow portion, the fixing frame 55 is disposed in the center of the four arcs, that is, the central receiving device is disposed in the center of the four arc plates 521, and meanwhile, each arc plate 521 may be provided with the first receiving device or the second receiving device.
Fig. 8 is a top view of a lens detection apparatus provided in the embodiment of the present application, where four targets are arranged on a preset target surface; FIG. 9 is a plot of the data collected for FIG. 8; as shown in fig. 8 and 9, when the zoom lens is specifically detected, please refer to fig. 8 and 9, where a is taken as a central point in fig. 8, a point corresponds to the central receiving device, B-E, B and D are distribution points of two fields at a first magnification, C and E are distribution points of two fields at a second magnification, at this time, two of the arc plates 521 are respectively provided with a first receiving device, and the other two arc plates 521 are respectively provided with a second receiving device, the arc plates 521 rotate under the driving of the rotation device 20, during the rotation of the arc plates 521, the two first receiving devices mounted on the arc plates 521 can capture light rays of two different fields at the first magnification, after the light rays captured by the first receiving devices are completed, the zoom device 30 adjusts the focal length of the lens to be detected to be in the second magnification, and then the rotation device 20 continues to drive, the arc plates 521 continue to rotate, at this time, the two second receiving devices mounted on the arc plates 521 can capture two different fields at the second magnification, and because B-E is taken as a distribution point between the central receiving device and the single-point diffusion device, the two receiving devices do not generate interference. By the aid of the mode, the equipment can detect the lens to be detected under different focal lengths, and the zoom lens can be detected. Wherein the two fields of view in the first magnification are the same as the two fields of view in the second magnification; for example: the first receiving device captures a field of view of 0.5 at 1 and a field of view of 0.8 at 1, and the second receiving device captures a field of view of 0.5 at 3 and a field of view of 0.8 at 5. The mode of capturing the light rays of the two view fields under the same multiplying power is adopted, so that the detection accuracy is improved.
Fig. 10 is a MTF curve at one time of a lens detection apparatus according to an embodiment of the present application; fig. 11 is an MTF curve under three times for a lens detection apparatus provided in an embodiment of the present application; according to the contents shown in fig. 10 and fig. 11, the precision degree of the zoom lens detection by the lens detection apparatus provided in the embodiment of the present application can be known.
Fig. 12 is a top view of a lens inspection apparatus according to an embodiment of the present disclosure when a plurality of targets are disposed on a predetermined target surface. As shown in fig. 12, a plurality of targets are arranged on the preset target surface 40, so that the plurality of targets correspond to a plurality of points with different viewing fields under different multiplying powers, and each point is only provided with one viewing field point, thereby not only avoiding the mutual interference between the receiving assemblies, but also avoiding the frequent replacement of the preset target surface 40 when detecting the lens to be detected.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (8)
1. The lens detection equipment is characterized by comprising a rack and a receiving assembly, wherein the receiving assembly is mounted on the rack and rotates around a central axis of the rack;
the receiving assembly comprises a first receiving device and a second receiving device, wherein the first receiving device is used for capturing light rays of at least one preset visual field at a first multiplying power, and the second receiving device is used for capturing the light rays of the at least one preset visual field at a second multiplying power;
the self-rotating device is arranged on the rack and used for driving the receiving assembly to rotate around the central axis of the rack;
the zooming device is arranged on the frame and is used for adjusting the focal length of the lens to be measured;
the preset target surface is arranged on one side, away from the receiving assembly, of the zooming device;
a dome mechanism for mounting the receiving assembly and a platform for bearing the preset target surface are arranged on the frame;
the self-rotating device drives the dome mechanism to rotate;
the dome mechanism comprises at least one connecting plate, wherein an arc-shaped mounting channel extending in the direction far away from the central axis is arranged on the connecting plate, an installation part used for installing the receiving assembly is installed on the arc-shaped mounting channel, and the installation part can move in a reciprocating mode in the extending direction of the arc-shaped mounting channel;
the installation department includes first linking arm and second linking arm, and the one end and the arc installation passageway of first linking arm are connected, and second linking arm slidable connects in the other end of first linking arm.
2. The lens inspection apparatus according to claim 1, wherein the predetermined target surface is provided with a plurality of targets.
3. The lens inspection device of claim 1, wherein the connection plate is provided with an angle indicator for determining a position of the receiving assembly mounted on the arcuate mounting channel.
4. The lens inspection apparatus of claim 3, wherein the mounting portion includes a mounting bracket and a connector for mounting the mounting bracket to the arcuate mounting channel.
5. The lens inspection apparatus of claim 4, wherein the number of the connection plates is two, and the two connection plates are arranged to cross each other.
6. The lens detection apparatus according to claim 4, wherein the rotation device includes a driving motor, and a rotation shaft connected to an output shaft of the driving motor, the rotation shaft being connected to a connection portion of the two connection plates, wherein an axis of the rotation shaft coincides with a central axis of the chassis.
7. The lens detection apparatus of claim 6, wherein the dome mechanism further comprises a mounting plate, wherein a side of the mounting plate facing away from the zoom device is connected to the rotation shaft, and wherein a side of the mounting plate facing the zoom device is connected to the two connecting plates.
8. The lens inspection apparatus of claim 7, wherein the receiver assembly further comprises a central receiver, and the dome mechanism further comprises a mount disposed on the connecting portion for mounting the central receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010365361.1A CN113596435B (en) | 2020-04-30 | 2020-04-30 | Lens detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010365361.1A CN113596435B (en) | 2020-04-30 | 2020-04-30 | Lens detection device |
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| Publication Number | Publication Date |
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| CN113596435A CN113596435A (en) | 2021-11-02 |
| CN113596435B true CN113596435B (en) | 2023-03-03 |
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| CN202010365361.1A Active CN113596435B (en) | 2020-04-30 | 2020-04-30 | Lens detection device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105675266A (en) * | 2016-02-03 | 2016-06-15 | 上海仪万光电科技有限公司 | Device and method for measuring modulation transfer function of optical lens based on infinite conjugate optical path |
| CN108646377A (en) * | 2018-07-17 | 2018-10-12 | 福州锐景达光电科技有限公司 | Improve the device and method of high definition zoom lens dress school efficiency and image quality |
| CN108931357A (en) * | 2017-05-22 | 2018-12-04 | 宁波舜宇车载光学技术有限公司 | Test target and corresponding camera lens MTF detection system and method |
| CN110057554A (en) * | 2019-05-23 | 2019-07-26 | 福州锐景达光电科技有限公司 | The MTF detection device and detection method of zoom lens image quality |
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2020
- 2020-04-30 CN CN202010365361.1A patent/CN113596435B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105675266A (en) * | 2016-02-03 | 2016-06-15 | 上海仪万光电科技有限公司 | Device and method for measuring modulation transfer function of optical lens based on infinite conjugate optical path |
| CN108931357A (en) * | 2017-05-22 | 2018-12-04 | 宁波舜宇车载光学技术有限公司 | Test target and corresponding camera lens MTF detection system and method |
| CN108646377A (en) * | 2018-07-17 | 2018-10-12 | 福州锐景达光电科技有限公司 | Improve the device and method of high definition zoom lens dress school efficiency and image quality |
| CN110057554A (en) * | 2019-05-23 | 2019-07-26 | 福州锐景达光电科技有限公司 | The MTF detection device and detection method of zoom lens image quality |
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| CN113596435A (en) | 2021-11-02 |
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