CN111077629A - Double-view-field zooming optical system and shaft penetrating method - Google Patents
Double-view-field zooming optical system and shaft penetrating method Download PDFInfo
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- CN111077629A CN111077629A CN201911217839.XA CN201911217839A CN111077629A CN 111077629 A CN111077629 A CN 111077629A CN 201911217839 A CN201911217839 A CN 201911217839A CN 111077629 A CN111077629 A CN 111077629A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/04—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification
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Abstract
The invention provides a double-view-field zooming optical system and a shaft penetrating method.A shaft penetrating differentiation plate tool matched with a lens group is arranged in lens cones of a large-view-field lens group, a small-view-field lens group and a fixed lens group, so that after the shaft penetrating differentiation plate tool is arranged in the lens cone of the lens group, the center of a cross scribed line of the shaft penetrating differentiation plate tool is positioned on an optical axis of the lens group; the fixed lens group is positioned in front of the large view field lens group and the small view field lens group in the axial direction, and an inner focusing light tube which is self-focusing and has an imaging function is arranged in front of the fixed lens group to penetrate through the three lens groups; the optical axes of the large view field lens group and the fixed lens group are ensured to be consistent, and the optical axes of the small view field lens group and the fixed lens group are consistent after view field switching. The invention has the advantages of simple and easy operation, is suitable for shaft penetrating work of all the double-view-field zooming optical systems, and can achieve high efficiency and high precision.
Description
Technical Field
The invention relates to the technical field of optical machine adjustment, in particular to a zoom optical system and a shaft penetrating method.
Background
The dual-field-of-view zoom optical system can realize switching of wide and narrow fields of view, the wide field of view is used as a search target, and the narrow field of view is used for capturing details. The two fields of view are frequently switched during working, and the requirements on the consistency and stability of optical axes among the lens groups are high. The consistency of the optical axis of the switched view field and the optical axis of the fixed view field is ensured when the large and small view field lens groups are cut into the view field by designing the special tool group.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a double-view-field zoom optical system and a shaft penetrating method.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a double-view-field zooming optical system comprises three lens groups, wherein the three lens groups are respectively a large view-field lens group, a small view-field lens group and a fixed lens group, and a shaft penetrating differentiation plate tool matched with the lens groups is arranged in lens cones of the three lens groups, so that after the shaft penetrating differentiation plate tool is arranged in the lens cones of the lens groups, the centers of cross scribed lines of the shaft penetrating differentiation plate tool are positioned on optical axes of the lens groups; the fixed lens group is positioned in front of the large view field lens group and the small view field lens group in the axial direction, and an inner focusing light tube which is self-focusing and has an imaging function is arranged in front of the fixed lens group to penetrate through the three lens groups; the optical axes of the large view field lens group and the fixed lens group are ensured to be consistent, and the optical axes of the small view field lens group and the fixed lens group are consistent after view field switching.
The shaft penetrating differentiation plate tool comprises a differentiation plate and a lens cone, wherein the differentiation plate and the lens cone are fixedly connected in an adhesive mode, the differentiation plate is a glass sheet, a cross-shaped scribed line is arranged in the center of the differentiation plate, the division plate is assembled at one end of the lens cone through a centering turning method, and the outer diameter of the shaft penetrating differentiation plate tool is matched with the inner diameter of the lens cone of the lens group in a high-precision mode during turning.
A lens group spacing tool is arranged between the large-view-field lens group and the fixed lens group and between the small-view-field lens group and the fixed lens group, the length of the lens group spacing tool can be adjusted in a small range, and the air space between the lens groups after shaft penetration is ensured to meet the design requirement of an optical system; the lens group spacing tool comprises a spacing ring (1), a spacing ring (2) and an adjusting washer (3), wherein the spacing ring (1) is connected with the spacing ring (2) through fine threads, a boss is arranged at the center of one side of the spacing ring (1), a step through hole is formed in the axial direction of the boss, the large end of the step through hole is arranged at one side of the boss, the small end of the step through hole is arranged at one side of the spacing ring (1) without the boss, the boss is arranged at one side of the spacing ring (2), the outer diameter of the boss of the spacing ring (2) is matched with the inner diameter of the large end of the step through hole of the spacing ring (1) through the fine threads, a through hole is arranged at the axial center of the spacing ring (2), and the inner diameter of the through hole of the spacing ring (2) is the same as; a plurality of adjusting washers (3) are arranged between the two bosses of the space ring (1) and the space ring (2), and the minimum adjusting amount of the adjusting washers (3) is 0.01 mm.
A shaft penetrating method of a double-view-field zooming optical system comprises the following steps:
step 1: assembling a shaft penetrating differentiation plate of a fixed lens group into a fixed lens group lens cone (6), assembling a shaft penetrating differentiation plate of a small visual field lens group into a small visual field lens group lens cone (4), and assembling a shaft penetrating differentiation plate of a large visual field lens group into a large visual field lens group lens cone (5);
step 2: fixing the fixed lens group component on the base bracket through screws and positioning the fixed lens group component through pins; an inner focusing light pipe is erected in front of the fixed lens group component, and the position of the base support is adjusted to enable the inner focusing light pipe to be approximately overlapped with the optical axis of the fixed lens group; adjusting the focal length of the inner focusing light tube to enable a cross reticle at the center of the through-axis differentiation plate tool in the lens barrel of the fixed lens group to be imaged on the image surface of the inner focusing light tube detector, enabling a self-alignment image in the inner focusing light tube to be superposed with a cross reticle image at the center of the through-axis differentiation plate tool by adjusting the direction pitching of the bracket of the inner focusing light tube, locking the position of the inner focusing light tube at the moment, and taking down the through-axis differentiation plate tool of the fixed lens group;
and step 3: the small visual field lens group and the fixed lens group are penetrated through a shaft; switching the small viewing field lens group lens cone (4) to a working position, and adjusting the focal length of the inner focusing light tube to enable a cross reticle of a through-axis differentiation plate tool in the small viewing field lens group lens cone (4) to be imaged on an image surface of the inner focusing light tube detector; fixing a lens cone (4) of the small view field lens group on a view field switching bracket by using screws, adjusting the direction pitching of the small view field lens group by filling a gasket below the view field switching bracket to ensure that a self-alignment image in the inner focusing light tube is superposed with a cross scribed line image, wherein the position of the gasket is at most three selectable positions in four mounting screws, and the optical axis of the small view field lens group is consistent with that of the inner focusing light tube;
and 4, step 4: adjusting the size of an adjusting washer (3) in a lens group spacing tool between a small visual field lens group and a fixed lens group to enable the total length of the lens group spacing tool to be L1, placing the lens group spacing tool between a small visual field lens group lens barrel (4) and a fixed lens group lens barrel (6), moving a switching visual field support back and forth along the axial direction to enable one side of a spacer ring (2) in the lens group spacing tool to abut against the small visual field lens group lens barrel (4) and one side of a spacer ring (1) in the lens group spacing tool to abut against the fixed lens group lens barrel, so that the air interval between the small visual field lens group and the fixed lens group meets the requirement of the interval in the drawing 3, and pinning the switching visual field support and a base support;
and 5: the large visual field lens group and the fixed lens group are penetrated through a shaft; switching a lens barrel (5) of the large-view-field lens group to a working position, and adjusting the focal length of the inner focusing light tube to enable a cross reticle of a division plate tool in the lens barrel of the large-view-field lens group to be imaged on an image surface of a detector of the inner focusing light tube; fixing the large-view-field lens group lens barrel on the view field switching support by using screws, and adjusting the azimuth pitching of the large-view-field lens group by adding a gasket between the large-view-field lens group lens barrel and the view field switching support to ensure that a self-alignment image in the inner focusing light tube is superposed with a cross scribed line image, wherein the position of the gasket can be selected from at most three of the four mounting screws; at the moment, the optical axis of the large-view-field lens group is consistent with the optical axis of the internal focusing light tube;
step 6, placing a lens group spacing tool between a large visual field lens group lens cone (5) and a fixed lens group lens cone (6), adjusting the size of a gasket (3) in the lens group spacing tool, enabling one side of a space ring (2) of the lens group spacing tool between the large visual field lens group lens cone (5) and the fixed lens group lens cone (6) to abut against the large visual field lens group lens cone (5), and one side of a space ring (1) of the lens group spacing tool to abut against the fixed lens group lens cone (6), wherein the total length L3, △ L, L2-3, △ L are the axial movement distance of the large visual field lens group lens cone, L2 is the target distance between the large visual field lens group lens cone (5) and the fixed lens group lens cone (6), and increasing a gasket with the thickness of △ L simultaneously under four mounting screws of the large visual field lens group lens cone, so that the air space between the large visual field lens group and the fixed lens group meets the spacing requirement L2.
The invention has the advantages of simple and easy operation, is suitable for shaft penetrating work of all the double-view-field zooming optical systems, and can achieve high efficiency and high precision.
Drawings
FIG. 1 is a schematic view of the tooling of the shaft penetrating and separating plate of the present invention.
Fig. 2 is a schematic view of the tooling for spacing the lens group according to the present invention.
Fig. 3 is a diagrammatic view of a dual field of view optical system of the present invention.
FIG. 4 is a schematic diagram illustrating optical axis tuning according to the present invention.
The lens comprises a lens barrel, a lens barrel.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
A double-view-field zooming optical system comprises three lens groups, wherein the three lens groups are respectively a large view-field lens group, a small view-field lens group and a fixed lens group, and a shaft penetrating differentiation plate tool matched with the lens groups is arranged in lens cones of the three lens groups, so that after the shaft penetrating differentiation plate tool is arranged in the lens cones of the lens groups, the centers of cross scribed lines of the shaft penetrating differentiation plate tool are positioned on optical axes of the lens groups; the fixed lens group is positioned in front of the large view field lens group and the small view field lens group in the axial direction, and an inner focusing light tube which is self-focusing and has an imaging function is arranged in front of the fixed lens group to penetrate through the three lens groups; the optical axes of the large view field lens group and the fixed lens group are ensured to be consistent, and the optical axes of the small view field lens group and the fixed lens group are consistent after view field switching.
The shaft penetrating differentiation plate tool comprises a differentiation plate and a lens cone, as shown in figure 1, the differentiation plate and the lens cone are glued and fixed, the differentiation plate is a glass sheet, a cross-shaped scribed line is arranged at the center of the differentiation plate, the scribing plate is assembled at one end of the lens cone through a centering turning method, and the outer diameter of the shaft penetrating differentiation plate tool is matched with the inner diameter of the lens cone of the lens group in a high-precision mode during turning.
A lens group spacing tool is arranged between the large-view-field lens group and the fixed lens group and between the small-view-field lens group and the fixed lens group, the length of the lens group spacing tool can be adjusted in a small range, and the air space between the lens groups after shaft penetration is ensured to meet the design requirement of an optical system; the lens group spacing tool comprises a spacing ring (1), a spacing ring (2) and an adjusting washer (3), as shown in figure 2, the spacing ring (1) is connected with the spacing ring (2) through fine threads, a boss is arranged at the center of one side of the spacing ring (1), a step through hole is arranged along the axial direction of the boss, the large end of the step through hole is arranged at one side of the boss, the small end of the step through hole is arranged at one side of the spacing ring (1) without the boss, the boss is arranged at one side of the spacing ring (2), the outer diameter of the boss of the spacing ring (2) is matched with the inner diameter of the large end of the step through hole of the spacing ring (1) through the fine threads, a through hole is arranged at the axial center of the spacing ring (2), and the inner diameter of the through hole of the spacing ring (2) is the same as; a plurality of adjusting washers (3) are arranged between the two bosses of the space ring (1) and the space ring (2), and the minimum adjusting amount of the adjusting washers (3) is 0.01 mm.
A shaft penetrating method of a double-view-field zooming optical system comprises the following steps:
step 1: assembling a shaft penetrating differentiation plate of a fixed lens group into a fixed lens group lens cone (6), assembling a shaft penetrating differentiation plate of a small visual field lens group into a small visual field lens group lens cone (4), and assembling a shaft penetrating differentiation plate of a large visual field lens group into a large visual field lens group lens cone (5);
step 2: fixing the fixed lens group component on the base bracket through screws and positioning the fixed lens group component through pins, as shown in fig. 4; an inner focusing light pipe is erected in front of the fixed lens group component, and the position of the base support is adjusted to enable the inner focusing light pipe to be approximately overlapped with the optical axis of the fixed lens group; adjusting the focal length of the inner focusing light tube to enable a cross reticle at the center of the through-axis differentiation plate tool in the lens barrel of the fixed lens group to be imaged on the image surface of the inner focusing light tube detector, enabling a self-alignment image in the inner focusing light tube to be superposed with a cross reticle image at the center of the through-axis differentiation plate tool by adjusting the direction pitching of the bracket of the inner focusing light tube, locking the position of the inner focusing light tube at the moment, and taking down the through-axis differentiation plate tool of the fixed lens group;
and step 3: the small visual field lens group and the fixed lens group are penetrated through a shaft; switching the small viewing field lens group lens cone (4) to a working position, and adjusting the focal length of the inner focusing light tube to enable a cross reticle of a through-axis differentiation plate tool in the small viewing field lens group lens cone (4) to be imaged on an image surface of the inner focusing light tube detector; fixing a lens cone (4) of the small view field lens group on a view field switching bracket by using screws, adjusting the direction pitching of the small view field lens group by filling a gasket below the view field switching bracket to ensure that a self-alignment image in the inner focusing light tube is superposed with a cross scribed line image, wherein the position of the gasket is at most three selectable positions in four mounting screws, and the optical axis of the small view field lens group is consistent with that of the inner focusing light tube;
and 4, step 4: adjusting the size of an adjusting washer (3) in a lens group spacing tool between a small visual field lens group and a fixed lens group shown in the figure 2 to enable the total length of the lens group spacing tool to be L1, placing the lens group spacing tool shown in the figure 2 between a small visual field lens group lens barrel (4) and a fixed lens group lens barrel (6), moving a switching visual field support back and forth along the axial direction to enable one side of a spacer ring (2) in the lens group spacing tool to abut against the small visual field lens group lens barrel (4) and one side of a spacer ring (1) in the lens group spacing tool to abut against the fixed lens group lens barrel, so that the air spacing between the small visual field lens group and the fixed lens group meets the spacing requirement in the figure 3, and pinning the switching visual field support and the;
and 5: the large visual field lens group and the fixed lens group are penetrated through a shaft; switching a lens barrel (5) of the large-view-field lens group to a working position, and adjusting the focal length of the inner focusing light tube to enable a cross reticle of a division plate tool in the lens barrel of the large-view-field lens group to be imaged on an image surface of a detector of the inner focusing light tube; the lens cone of the large view field lens group is fixed on the view field switching support by screws, and the direction pitching of the large view field lens group is adjusted by adding a gasket between the lens cone of the large view field lens group and the view field switching support, so that a self-alignment image in the inner focusing light tube is superposed with a cross scribed line image, and the position of the gasket can be selected from at most three of the four mounting screws. At the moment, the optical axis of the large-view-field lens group is consistent with the optical axis of the internal focusing light tube;
step 6, placing a lens group spacing tool between a large visual field lens group lens cone (5) and a fixed lens group lens cone (6), adjusting the size of a gasket (3) in the lens group spacing tool, enabling one side of a spacer ring (2) of the lens group spacing tool between the large visual field lens group lens cone (5) and the fixed lens group lens cone (6) to abut against the large visual field lens group lens cone (5), and one side of a spacer ring (1) of the lens group spacing tool to abut against the fixed lens group lens cone (6), wherein the total length L3, △ L (L2-L3, △ L is the distance of the large visual field lens group lens barrel needing axial movement, L2 is the target distance between the large visual field lens group lens cone (5) and the fixed lens group lens cone (6), and simultaneously adding a gasket with the thickness of △ L below four mounting screws of the large visual field lens group lens cone, so that the air spacing between the large visual field lens group and the fixed lens group meets the spacing requirement L2 in the.
Claims (4)
1. A dual field-of-view zoom optical system, characterized by:
the double-view-field zooming optical system comprises three lens groups, wherein the three lens groups are respectively a large view-field lens group, a small view-field lens group and a fixed lens group, and a shaft penetrating differentiation plate tool matched with the lens groups is arranged in lens cones of the three lens groups, so that after the shaft penetrating differentiation plate tool is arranged in the lens cones of the lens groups, the centers of cross scribed lines of the shaft penetrating differentiation plate tool are positioned on optical axes of the lens groups; the fixed lens group is positioned in front of the large view field lens group and the small view field lens group in the axial direction, and an inner focusing light tube which is self-focusing and has an imaging function is arranged in front of the fixed lens group to penetrate through the three lens groups; the optical axes of the large view field lens group and the fixed lens group are ensured to be consistent, and the optical axes of the small view field lens group and the fixed lens group are consistent after view field switching.
2. The dual field of view zoom optical system of claim 1, wherein:
the shaft penetrating differentiation plate tool comprises a differentiation plate and a lens cone, wherein the differentiation plate and the lens cone are fixedly connected in an adhesive mode, the differentiation plate is a glass sheet, a cross-shaped scribed line is arranged in the center of the differentiation plate, the division plate is assembled at one end of the lens cone through a centering turning method, and the outer diameter of the shaft penetrating differentiation plate tool is matched with the inner diameter of the lens cone of the lens group in a high-precision mode during turning.
3. The dual field of view zoom optical system of claim 1, wherein:
a lens group spacing tool is arranged between the large-view-field lens group and the fixed lens group and between the small-view-field lens group and the fixed lens group, the length of the lens group spacing tool can be adjusted in a small range, and the air space between the lens groups after shaft penetration is ensured to meet the design requirement of an optical system; the lens group spacing tool comprises a spacing ring (1), a spacing ring (2) and an adjusting washer (3), wherein the spacing ring (1) is connected with the spacing ring (2) through fine threads, a boss is arranged at the center of one side of the spacing ring (1), a step through hole is formed in the axial direction of the boss, the large end of the step through hole is arranged at one side of the boss, the small end of the step through hole is arranged at one side of the spacing ring (1) without the boss, the boss is arranged at one side of the spacing ring (2), the outer diameter of the boss of the spacing ring (2) is matched with the inner diameter of the large end of the step through hole of the spacing ring (1) through the fine threads, a through hole is arranged at the axial center of the spacing ring (2), and the inner diameter of the through hole of the spacing ring (2) is the same as; a plurality of adjusting washers (3) are arranged between the two bosses of the space ring (1) and the space ring (2), and the minimum adjusting amount of the adjusting washers (3) is 0.01 mm.
4. A shaft threading method using the dual field-of-view zoom optical system according to claim 1, comprising the steps of:
step 1: assembling a shaft penetrating differentiation plate of a fixed lens group into a fixed lens group lens cone (6), assembling a shaft penetrating differentiation plate of a small visual field lens group into a small visual field lens group lens cone (4), and assembling a shaft penetrating differentiation plate of a large visual field lens group into a large visual field lens group lens cone (5);
step 2: fixing the fixed lens group component on the base bracket through screws and positioning the fixed lens group component through pins; an inner focusing light pipe is erected in front of the fixed lens group component, and the position of the base support is adjusted to enable the inner focusing light pipe to be approximately overlapped with the optical axis of the fixed lens group; adjusting the focal length of the inner focusing light tube to enable a cross reticle at the center of the through-axis differentiation plate tool in the lens barrel of the fixed lens group to be imaged on the image surface of the inner focusing light tube detector, enabling a self-alignment image in the inner focusing light tube to be superposed with a cross reticle image at the center of the through-axis differentiation plate tool by adjusting the direction pitching of the bracket of the inner focusing light tube, locking the position of the inner focusing light tube at the moment, and taking down the through-axis differentiation plate tool of the fixed lens group;
and step 3: the small visual field lens group and the fixed lens group are penetrated through a shaft; switching the small viewing field lens group lens cone (4) to a working position, and adjusting the focal length of the inner focusing light tube to enable a cross reticle of a through-axis differentiation plate tool in the small viewing field lens group lens cone (4) to be imaged on an image surface of the inner focusing light tube detector; fixing a lens cone (4) of the small view field lens group on a view field switching bracket by using screws, adjusting the direction pitching of the small view field lens group by filling a gasket below the view field switching bracket to ensure that a self-alignment image in the inner focusing light tube is superposed with a cross scribed line image, wherein the position of the gasket is at most three selectable positions in four mounting screws, and the optical axis of the small view field lens group is consistent with that of the inner focusing light tube;
and 4, step 4: adjusting the size of an adjusting washer (3) in a lens group spacing tool between a small visual field lens group and a fixed lens group to enable the total length of the lens group spacing tool to be L1, placing the lens group spacing tool between a small visual field lens group lens barrel (4) and a fixed lens group lens barrel (6), moving a switching visual field support back and forth along the axial direction to enable one side of a spacer ring (2) in the lens group spacing tool to abut against the small visual field lens group lens barrel (4) and one side of a spacer ring (1) in the lens group spacing tool to abut against the fixed lens group lens barrel, so that the air interval between the small visual field lens group and the fixed lens group meets the requirement of the interval in the drawing 3, and pinning the switching visual field support and a base support;
and 5: the large visual field lens group and the fixed lens group are penetrated through a shaft; switching a lens barrel (5) of the large-view-field lens group to a working position, and adjusting the focal length of the inner focusing light tube to enable a cross reticle of a division plate tool in the lens barrel of the large-view-field lens group to be imaged on an image surface of a detector of the inner focusing light tube; fixing the large-view-field lens group lens barrel on the view field switching support by using screws, and adjusting the azimuth pitching of the large-view-field lens group by adding a gasket between the large-view-field lens group lens barrel and the view field switching support to ensure that a self-alignment image in the inner focusing light tube is superposed with a cross scribed line image, wherein the position of the gasket can be selected from at most three of the four mounting screws; at the moment, the optical axis of the large-view-field lens group is consistent with the optical axis of the internal focusing light tube;
step 6, placing a lens group spacing tool between a large visual field lens group lens cone (5) and a fixed lens group lens cone (6), adjusting the size of a gasket (3) in the lens group spacing tool, enabling one side of a space ring (2) of the lens group spacing tool between the large visual field lens group lens cone (5) and the fixed lens group lens cone (6) to abut against the large visual field lens group lens cone (5), and one side of a space ring (1) of the lens group spacing tool to abut against the fixed lens group lens cone (6), wherein the total length L3, △ L, L2-3, △ L are the axial movement distance of the large visual field lens group lens cone, L2 is the target distance between the large visual field lens group lens cone (5) and the fixed lens group lens cone (6), and increasing a gasket with the thickness of △ L simultaneously under four mounting screws of the large visual field lens group lens cone, so that the air space between the large visual field lens group and the fixed lens group meets the spacing requirement L2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911217839.XA CN111077629A (en) | 2019-12-03 | 2019-12-03 | Double-view-field zooming optical system and shaft penetrating method |
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| CN201911217839.XA CN111077629A (en) | 2019-12-03 | 2019-12-03 | Double-view-field zooming optical system and shaft penetrating method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112285940A (en) * | 2020-10-29 | 2021-01-29 | 中国航空工业集团公司洛阳电光设备研究所 | Optical axis consistency assembling and correcting method for double-view-field lens |
| CN114296251A (en) * | 2021-11-11 | 2022-04-08 | 中航洛阳光电技术有限公司 | Method for adjusting consistency of optical axes of multi-light-path lens |
| CN116299933A (en) * | 2023-05-18 | 2023-06-23 | 北京盛镭科技有限公司 | Optical adjustment frame, adjustment method, optical assembly and optical system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103033946A (en) * | 2011-12-19 | 2013-04-10 | 中国航空工业集团公司洛阳电光设备研究所 | Assembly and adjustment method of double-view-field axial zoom optical system |
| CN106569342A (en) * | 2016-11-07 | 2017-04-19 | 中国航空工业集团公司洛阳电光设备研究所 | Internal focusing light pipe with autocollimation function and usage method thereof |
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2019
- 2019-12-03 CN CN201911217839.XA patent/CN111077629A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103033946A (en) * | 2011-12-19 | 2013-04-10 | 中国航空工业集团公司洛阳电光设备研究所 | Assembly and adjustment method of double-view-field axial zoom optical system |
| CN106569342A (en) * | 2016-11-07 | 2017-04-19 | 中国航空工业集团公司洛阳电光设备研究所 | Internal focusing light pipe with autocollimation function and usage method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112285940A (en) * | 2020-10-29 | 2021-01-29 | 中国航空工业集团公司洛阳电光设备研究所 | Optical axis consistency assembling and correcting method for double-view-field lens |
| CN114296251A (en) * | 2021-11-11 | 2022-04-08 | 中航洛阳光电技术有限公司 | Method for adjusting consistency of optical axes of multi-light-path lens |
| CN116299933A (en) * | 2023-05-18 | 2023-06-23 | 北京盛镭科技有限公司 | Optical adjustment frame, adjustment method, optical assembly and optical system |
| CN116299933B (en) * | 2023-05-18 | 2023-07-21 | 北京盛镭科技有限公司 | Optical adjustment frame, adjustment method, optical assembly and optical system |
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Application publication date: 20200428 |
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