CN112799205A - Quadruple ratio zoom eyepiece - Google Patents
Quadruple ratio zoom eyepiece Download PDFInfo
- Publication number
- CN112799205A CN112799205A CN201911097944.4A CN201911097944A CN112799205A CN 112799205 A CN112799205 A CN 112799205A CN 201911097944 A CN201911097944 A CN 201911097944A CN 112799205 A CN112799205 A CN 112799205A
- Authority
- CN
- China
- Prior art keywords
- eyepiece
- lens
- ring
- chamber
- guide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- 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
- G02B7/10—Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification by relative axial movement of several lenses, e.g. of varifocal objective lens
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B25/00—Eyepieces; Magnifying glasses
- G02B25/001—Eyepieces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Telescopes (AREA)
- Lenses (AREA)
Abstract
The invention provides a quadruple ratio zoom eyepiece which is characterized in that: a magnification adjusting ring is arranged at the middle section outside the guide sleeve, a fifth eyepiece chamber is arranged at the right side outside the guide sleeve, a screw sleeve is arranged inside the guide sleeve, the magnification adjusting ring penetrates through a first guide groove fixing screw sleeve on the guide sleeve through a limiting guide pin, a zoom guide pin I is arranged at the right side outside the first eyepiece chamber, a zoom guide pin II is arranged at the right side outside the second eyepiece chamber, a zoom guide pin III is arranged at the right side outside the third eyepiece chamber, an eyepiece cemented lens I is arranged inside the first eyepiece chamber, an eyepiece third lens and an eyepiece fourth lens are respectively arranged inside the second eyepiece chamber from left to right, an eyepiece fifth lens is arranged inside the third eyepiece chamber, an eyepiece cemented lens II is arranged inside the fifth eyepiece chamber, three spiral grooves are formed in the spiral sleeve, a group of lenses are arranged in each spiral groove in a matched mode, and under the adjustment of the magnification adjusting ring, the purpose of four-time ratio zooming is achieved through three groups of linkage.
Description
Technical Field
The invention relates to the technical field of optical production, in particular to a quadruple ratio zoom eyepiece.
Background
The zoom system is an optical system in which the focal length can be continuously changed while the image plane is kept stable, and the image quality is kept good during zooming. The zoom optical system can realize continuous detection of a distance target, is widely applied to many fields of national and national defense industries, is difficult to select a proper optical system to meet the requirement in the market due to the requirements of optical parameters, imaging quality and automatic zoom control, and needs to be specially designed, and common zoom lenses in the market have small zoom ratio and small visual field, and are usually 2-fold and 3-fold common because of the limitations of the imaging quality, the processing technology, the processing conditions and the like.
Disclosure of Invention
The invention aims to provide a quadruple ratio zoom eyepiece.A spiral sleeve is provided with three spiral grooves, each spiral groove is provided with a group of lenses in a matching way, and under the adjustment of a multiplying power adjusting ring, three groups of linkage are realized so as to achieve the aim of quadruple ratio zoom.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a quadruple ratio zoom eyepiece, includes multiplying power adjustable ring, uide bushing, the spiral shell, its characterized in that: the left part and the right part of the guide sleeve are respectively cylinders with different diameters, the front of the guide sleeve is respectively provided with a second guide groove and a third guide groove, the upper section of the left part of the guide sleeve is provided with a first guide groove, the middle section of the outer part of the guide sleeve is provided with a multiplying power adjusting ring, the right side of the outer part of the guide sleeve is provided with a fifth eyepiece chamber, the inner part of the guide sleeve is provided with a screw sleeve, the front of the screw sleeve is provided with a first exhaust groove and a second exhaust groove, the screw sleeve is sequentially provided with a first slide rail, a second slide rail and a third slide rail from left to right, the multiplying power adjusting ring penetrates through the screw sleeve fixed by the first guide groove on the guide sleeve through a limiting guide pin, the screw sleeve and the multiplying power adjusting ring rotate synchronously, the right side of the outer part of the first eyepiece chamber is provided with a zooming guide pin I, the zooming guide pin I penetrates through the third slide rail and is matched with the third, the right side of the outdoor part of the third eyepiece is provided with a zoom guide pin III, the zoom guide pin III penetrates through the first slide rail and forms a fit with the second guide groove, the indoor part of the first eyepiece is provided with an eyepiece cemented lens I, the indoor part of the second eyepiece is provided with an eyepiece third lens and an eyepiece fourth lens from left to right respectively, the indoor part of the third eyepiece is provided with an eyepiece fifth lens, and the indoor part of the fifth eyepiece is provided with an eyepiece cemented lens II.
As a further improvement of the invention, the eyepiece cemented lens I is a lens cemented by different materials, the eyepiece cemented lens I is a biconcave lens, the convex surfaces of the eyepiece third lens and the eyepiece fourth lens face the pupil, and the eyepiece fifth lens is a biconvex lens.
As a further improvement of the invention, the central axis of the first guide groove is vertical to the second guide groove, and the second guide groove and the third guide groove are on the same horizontal plane.
As a further improvement of the invention, an eyepiece sealing ring is arranged at the contact position between the left side of the fifth eyepiece chamber and the magnification adjusting ring, a fifth eyepiece pressing ring is annularly arranged between the fifth eyepiece chamber and the eyepiece cemented lens II, an eyepiece sealing gasket is arranged at the position, close to the left side of the eyepiece cemented lens II, inside the fifth eyepiece chamber, an eyeshade screw sleeve is arranged outside the fifth eyepiece chamber, an eyeshade is arranged outside the eyeshade screw sleeve, a positioning O-shaped ring is arranged between the eyeshade and the eyeshade screw sleeve, and the eyeshade is matched with the eyeshade screw sleeve through an eyeshade screw guide nail.
As a further improvement of the present invention, a fourth eyepiece clamping ring is disposed between the third eyepiece chamber and the eyepiece fifth lens.
As a further improvement of the invention, a second ocular pressing ring is arranged on the left side of the indoor surface of the second ocular, and an ocular spacing ring is arranged on the indoor surface of the second ocular between the third ocular and the fourth ocular.
As a further improvement of the invention, a first ocular clamping ring is arranged on the left side of the inner part of the first ocular chamber.
As a further improvement of the invention, the outer surface of the left side of the multiplying power adjusting ring is provided with an index ring, and a variable multiplying ring sealing ring is arranged between the index ring and the multiplying power adjusting ring.
As a further improvement of the invention, the outer surface of the left side of the index ring is provided with a connecting ring, a connecting pressing ring and an index ring sealing ring are respectively arranged between the connecting ring and the index ring from outside to inside, and a fastening ring is arranged inside the left side of the connecting ring.
The beneficial effects of the invention are concentrated and expressed as follows:
1. by the design of three groups of five-piece type polar subtraction optical lenses, a four-time ratio zoom eyepiece is realized, and the adaptability of an astronomical telescope and a target observation lens is effectively improved;
2. the invention adopts two groups of cemented lenses to realize the correction of aberration;
3. according to the design of the positions of the three groups of spiral grooves, the condition that an image surface is always positioned between the compensation group and the zoom group is met, the image surface cannot penetrate through the lens, the processing difficulty of the lens is reduced, and if the image surface penetrates through the lens, bubbles, scratches, dust and the like in the lens are amplified, so that the imaging quality is reduced, and even the imaging cannot be achieved;
4. the three-group linkage design is realized on an eyepiece space structure and a smaller position through a compact structural design, and the three-group linkage design meets the focal length design of 8.6-34.4.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a front view of a guide sleeve provided in the present invention;
FIG. 3 is a top view of a guide sleeve according to the present invention;
FIG. 4 is a diagram of the construction of the screw shell according to the present invention;
FIG. 5 is an expanded view of the present invention with the screw insert disposed;
FIG. 6 is another schematic structural view of the present invention;
figure 7 is an expanded view of another configuration of the screw insert of the present invention.
Detailed Description
The invention will be further elucidated with reference to the following figures, which are simplified schematic representations, which illustrate only the basic structure of the invention in a schematic way, and thus show only the constructions relevant to the invention.
Example 1:
as shown in fig. 1-5, a quadruple ratio zoom eyepiece comprises a magnification adjusting ring 15, a guide sleeve 17 and a spiral sleeve 16, and is characterized in that: the left part and the right part of the guide sleeve 17 are respectively cylinders with different diameters, the front of the guide sleeve 17 is respectively provided with a second guide groove 35 and a third guide groove 36, the upper section of the left part of the guide sleeve 17 is provided with a first guide groove 34, the middle section of the outside of the guide sleeve 17 is provided with a magnification adjusting ring 15, the right side of the outside of the guide sleeve 17 is provided with a fifth eyepiece chamber 9, the inside of the guide sleeve 17 is provided with a screw sleeve 16, the front of the screw sleeve 16 is provided with a first exhaust groove 37 and a second exhaust groove 38, the screw sleeve 16 is sequentially provided with a first slide rail 39, a second slide rail 40 and a third slide rail 41 from left to right, the magnification adjusting ring 15 penetrates through the first guide groove 34 on the guide sleeve 17 through a limiting guide nail 32 to fix the screw sleeve 16, the screw sleeve 16 and the magnification adjusting ring 15 synchronously rotate, the right side of the outside of the first eyepiece chamber 1 is provided with a zoom guide nail I29, the magnification, the invention adopts a three-group linkage mode to realize zoom of four times ratio on an ocular, effectively improve the use range of an astronomical telescope and a target viewing mirror, increase the adaptability of the astronomical telescope or the target viewing mirror and achieve the continuous change of 8.6-34.4 focal length, the invention adopts three groups of five-piece lenses to realize the product design with compact structure and low cost, and the horizontal displacements of the first ocular chamber 1, the second ocular chamber 3 and the third ocular chamber 6 are different in the zooming process to realize good transition and zooming effects.
As a further preferable scheme of the present invention, the eyepiece cemented lens i 20 is a lens cemented by different materials, the eyepiece cemented lens i 20 is a biconcave lens, convex surfaces of the eyepiece third lens 21 and the eyepiece fourth lens 27 face the pupil, and the eyepiece fifth lens 28 is a biconvex lens.
As a further preferable aspect of the present invention, the central axis of the first guide groove 34 is perpendicular to the second guide groove 25, the second guide groove 25 and the third guide groove 36 are on the same horizontal plane, and the first guide groove 34 and the second guide groove 36 on the same horizontal plane can satisfy the simplicity of processing and effectively shorten the process.
As a further preferable scheme of the present invention, an eyepiece sealing ring 23 is arranged at a contact position between the left side of the fifth eyepiece chamber 9 and the magnification adjusting ring 15, a fifth eyepiece pressing ring 10 is annularly arranged between the fifth eyepiece chamber 10 and the eyepiece cemented lens ii 33, an eyepiece sealing gasket 22 is arranged inside the fifth eyepiece chamber 9 and close to the left side of the eyepiece cemented lens ii 33, an eyeshade spiral sleeve 18 is arranged outside the fifth eyepiece chamber 9, an eyeshade 19 is arranged outside the eyeshade spiral sleeve 18, a positioning O-ring 26 is arranged between the eyeshade 19 and the eyeshade spiral sleeve 18, the eyeshade 19 is matched with the eyeshade spiral sleeve 18 through an eyeshade spiral guide nail 31, and the design of the rotary lifting eyeshade can perform good light blocking performance when the eyeshade is used, so as to meet the protection of the eyeshade.
As a further preferable embodiment of the present invention, a fourth eyepiece pressing ring 8 is provided between the third eyepiece chamber 6 and the eyepiece fifth lens 28, and a pressing ring structure having a certain elasticity is used to perform a good fixing function on the lens and prevent the lens from shaking.
As a further preferable scheme of the present invention, the left side of the inner surface of the second ocular chamber 3 is provided with a second ocular clamping ring 4, and the inner surface of the second ocular chamber 3 between the ocular third lens 21 and the ocular fourth lens 27 is provided with an ocular spacing ring 7.
As a further preferable embodiment of the present invention, a first eyepiece clamping ring 2 is disposed on the left side inside the first eyepiece chamber 1, and well fixes the eyepiece cemented lens i 20 inside the first eyepiece chamber 1.
As a further preferable scheme of the present invention, an index ring 14 is disposed on the outer surface of the left side of the magnification adjusting ring 15, a zoom ring sealing ring 24 is disposed between the index ring 14 and the magnification adjusting ring 15, and the design of the zoom ring sealing ring 24 can effectively increase the sealing performance and meet the requirement of eyepiece sealing.
As a further preferable scheme of the present invention, the outer surface of the left side of the indicator ring 14 is provided with a connecting ring 12, a connecting pressing ring 13 and an indicator ring sealing ring 25 are respectively arranged between the connecting ring 12 and the indicator ring 14 from outside to inside, and a fastening ring 11 is arranged inside the left side of the connecting ring 12.
Compared with a zoom eyepiece with two components linked, the zoom group consisting of a second eyepiece chamber 3 and a third eyepiece chamber 6 is changed into two positive lens groups moving in different tracks, because the space between the two lens groups is very limited and the mechanical structure design is difficult, the scheme adopts a second eyepiece clamping ring 4 to fix after a lens is arranged in the second eyepiece chamber, then the second eyepiece chamber 3 is assembled on a zoom guide nail II 5 to form a complete moving component, after the third eyepiece chamber 6 is arranged in the lens, a fourth eyepiece clamping ring 8 is used for fixing to form a complete moving component, the third eyepiece chamber 6 needs to be simultaneously matched with the second eyepiece chamber 3 and a spiral sleeve 16 in the moving process to increase the matching length and maintain the stability of lens movement, in order to avoid the interference between the zoom guide nail III 30 and the zoom guide nail II 5, a groove is processed on the zoom guide nail II 5 to let the zoom guide nail 30, therefore, the two groups of lenses in the zoom group can move smoothly and do not interfere with each other when moving in different tracks.
Example 2:
referring to fig. 6 and 7, a quadruple ratio zoom eyepiece comprises a magnification adjusting ring 15, a guide sleeve 17 and a spiral sleeve 16, and is characterized in that: the left part and the right part of the guide sleeve 17 are respectively cylinders with different diameters, the front of the guide sleeve 17 is respectively provided with a second guide groove 35 and a third guide groove 36, the upper section of the left part of the guide sleeve 17 is provided with a first guide groove 34, the middle section of the outside of the guide sleeve 17 is provided with a magnification adjusting ring 15, the right side of the outside of the guide sleeve 17 is provided with a fifth eyepiece chamber 9, the inside of the guide sleeve 17 is provided with a screw sleeve 16, the front of the screw sleeve 16 is provided with a first exhaust groove 37 and a second exhaust groove 38, the screw sleeve 16 is sequentially provided with a first slide rail 39, a second slide rail 40 and a third slide rail 41 from left to right, the magnification adjusting ring 15 penetrates through the first guide groove 34 on the guide sleeve 17 through a limiting guide nail 32 to fix the screw sleeve 16, the screw sleeve 16 and the magnification adjusting ring 15 synchronously rotate, the right side of the outside of the first eyepiece chamber 1 is provided with a zoom guide nail I29, the magnification, the invention adopts a three-group linkage mode to realize four-fold zoom on an ocular, effectively improve the application range of an astronomical telescope and a target observation mirror, increase the adaptability of the astronomical telescope or the target observation mirror, achieve the continuous change of a focal length of 8.6-34.4, and adopt three groups of five-piece lenses to form the zoom lens assembly, the invention realizes the product design with compact structure and low cost, and the horizontal displacement of the first ocular chamber 1, the second ocular chamber 3 and the third ocular chamber 6 is different in the zooming process, thereby realizing good transition and zooming effects.
When the eyepiece cemented lens iii 42 is used in the second eyepiece chamber 3, due to the change of the optical path diagram, the first slide rail 39 and the second slide rail 40 on the screw sleeve 16 can be adjusted, and after the relative movement distance is calculated by the size design of the first slide rail 39, the second slide rail 40 and the third slide rail 41 according to the ZEMAX software, the screw sleeve 16 is grooved to meet the relative movement position among the first eyepiece chamber 1, the second eyepiece chamber 3 and the third eyepiece chamber 6, in short, the movement matching mode of one of the eyepiece chambers needs to be simultaneously moved and matched with the other eyepiece chamber and the screw sleeve 16.
Claims (9)
1. The utility model provides a quadruple ratio zoom eyepiece, includes multiplying power adjustable ring, uide bushing, the spiral shell, its characterized in that: the left part and the right part of the guide sleeve are respectively cylinders with different diameters, the front of the guide sleeve is respectively provided with a second guide groove and a third guide groove, the upper section of the left part of the guide sleeve is provided with a first guide groove, the middle section of the outer part of the guide sleeve is provided with a multiplying power adjusting ring, the right side of the outer part of the guide sleeve is provided with a fifth eyepiece chamber, the inner part of the guide sleeve is provided with a screw sleeve, the front of the screw sleeve is provided with a first exhaust groove and a second exhaust groove, the screw sleeve is sequentially provided with a first slide rail, a second slide rail and a third slide rail from left to right, the multiplying power adjusting ring penetrates through the screw sleeve fixed by the first guide groove on the guide sleeve through a limiting guide pin, the screw sleeve and the multiplying power adjusting ring rotate synchronously, the right side of the outer part of the first eyepiece chamber is provided with a zooming guide pin I, the zooming guide pin I penetrates through the third slide rail and is matched with the third, the right side of the outer part of the third eyepiece chamber is provided with a zoom guide pin III, and the zoom guide pin III penetrates through the first slide rail and is matched with the second guide groove;
the first eyepiece chamber interior is provided with eyepiece cemented lens I, and the second eyepiece chamber interior is provided with eyepiece third lens and eyepiece fourth lens or second eyepiece chamber interior from left to right respectively and is provided with eyepiece cemented lens III, and the third eyepiece chamber interior is provided with eyepiece fifth lens, and the fifth eyepiece chamber interior is provided with eyepiece cemented lens II.
2. The quadruple ratio zoom eyepiece of claim 1, wherein: eyepiece cemented lens I is the lens of different materials veneer, and eyepiece cemented lens I is biconcave type lens, and eyepiece cemented lens III is the lens of different materials veneers, and the III right sides of eyepiece cemented lens are convex lens, and the convex surface of eyepiece third lens, eyepiece fourth lens is towards the pupil, and eyepiece fifth lens is biconvex type lens.
3. The quadruple ratio zoom eyepiece of claim 1, wherein: the central axis of the first guide groove is vertical to the second guide groove, and the second guide groove and the third guide groove are on the same horizontal plane.
4. The quadruple ratio zoom eyepiece of claim 1, wherein: contact position is provided with the eyepiece sealing washer between fifth eyepiece room left side and the multiplying power adjustable ring, and the annular is provided with the fifth eyepiece clamping ring between fifth eyepiece room and eyepiece cemented lens II, and the indoor portion of fifth eyepiece is close to II left sides of eyepiece cemented lens and is provided with the sealed pad of eyepiece, and the outdoor portion of fifth eyepiece is provided with the eye-shade spiral shell, and eye-shade spiral shell outside is provided with the eye-shade, is provided with location O type circle between eye-shade and the eye-shade spiral shell, and the eye-shade passes through the eye-shade spiral and leads nail and eye-shade spiral shell.
5. The quadruple ratio zoom eyepiece of claim 1, wherein: and a fourth ocular pressing ring is arranged between the third ocular chamber and the fifth ocular lens.
6. The quadruple ratio zoom eyepiece of claim 1, wherein: the left side of the inner surface of the second ocular is provided with a second ocular pressing ring, and the inner surface of the second ocular chamber between the third ocular lens and the fourth ocular lens is provided with an ocular spacing ring.
7. The quadruple ratio zoom eyepiece of claim 1, wherein: and a first ocular pressing ring is arranged on the left side of the inner part of the first ocular chamber.
8. The quadruple ratio zoom eyepiece of claim 1, wherein: and an index ring is arranged on the outer surface of the left side of the multiplying power adjusting ring, and a variable-multiplying ring sealing ring is arranged between the index ring and the multiplying power adjusting ring.
9. The quadruple ratio zoom eyepiece of claim 8, wherein: the outer surface of the left side of the index ring is provided with a connecting ring, a connecting pressing ring and an index ring sealing ring are arranged between the connecting ring and the index ring from outside to inside respectively, and a fastening ring is arranged inside the left side of the connecting ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911097944.4A CN112799205B (en) | 2019-11-12 | 2019-11-12 | Quadruple ratio zoom eyepiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911097944.4A CN112799205B (en) | 2019-11-12 | 2019-11-12 | Quadruple ratio zoom eyepiece |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112799205A true CN112799205A (en) | 2021-05-14 |
| CN112799205B CN112799205B (en) | 2023-03-14 |
Family
ID=75802971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911097944.4A Active CN112799205B (en) | 2019-11-12 | 2019-11-12 | Quadruple ratio zoom eyepiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112799205B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376825A (en) * | 2021-06-15 | 2021-09-10 | 河南平原光电有限公司 | Variable-focus ocular lens visual field monitoring optical system |
Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092180A (en) * | 1993-03-12 | 1994-09-14 | 中国人民解放军第三三○四工厂 | Band graduation zoom eye-piece |
| JP2006145796A (en) * | 2004-11-19 | 2006-06-08 | Nikon Corp | Microscope |
| EP1801634A1 (en) * | 2005-12-21 | 2007-06-27 | Carl Zeiss Sports Optics GmbH | Telescope with variable enlargement |
| CN101246244A (en) * | 2007-02-16 | 2008-08-20 | 株式会社腾龙 | Inner focusing zoom lens barrel |
| JP2009244293A (en) * | 2008-03-28 | 2009-10-22 | Kamakura Koki Kk | Magnification-variable optical equipment |
| CN101614506A (en) * | 2009-07-17 | 2009-12-30 | 南通蓬盛机械有限公司 | Sighting device |
| CN201476700U (en) * | 2009-07-17 | 2010-05-19 | 南通蓬盛机械有限公司 | Aiming device |
| CN203117529U (en) * | 2013-03-26 | 2013-08-07 | 昆明佳明光学有限公司 | Multiple-variable eyepiece with diaphragm |
| CN104067156A (en) * | 2012-01-30 | 2014-09-24 | 富士胶片株式会社 | Lens device |
| CN203981949U (en) * | 2014-06-27 | 2014-12-03 | 深圳市明日系统集成有限公司 | Spiral zoom lens and laser illuminator set |
| JP2015175863A (en) * | 2014-03-13 | 2015-10-05 | キヤノン株式会社 | Position control method and optical apparatus |
| CN105158870A (en) * | 2015-10-12 | 2015-12-16 | 哈尔滨工业大学 | Internal-focusing high power focusing lens |
| CN105974554A (en) * | 2012-07-04 | 2016-09-28 | 佳能株式会社 | Lens barrel capable of increasing shooting magnification while being miniaturized, and image pickup apparatus |
| CN106094184A (en) * | 2016-08-26 | 2016-11-09 | 福建福光股份有限公司 | Miniaturization big zoom ratio digital-code far-sighting camera lens and method of work thereof |
| CN205716048U (en) * | 2016-05-11 | 2016-11-23 | 河北建筑工程学院 | A kind of bobbin seal circle |
| CN206002764U (en) * | 2016-08-26 | 2017-03-08 | 福建福光股份有限公司 | Minimize big zoom ratio digital-code far-sighting camera lens |
| CN206440888U (en) * | 2017-02-17 | 2017-08-25 | 中山市慧瞳光电有限公司 | A kind of eyepiece stalk |
| US20180011230A1 (en) * | 2011-02-28 | 2018-01-11 | Plx, Inc. | Mount for an optical structure having a grooved protruding member and method of mounting an optical structure using such mount |
| CN207440392U (en) * | 2017-11-26 | 2018-06-01 | 宁波湛京光学仪器有限公司 | A kind of telescope zoom eye-piece |
| CN207586530U (en) * | 2017-12-01 | 2018-07-06 | 昆明朗特光学仪器有限公司 | A kind of continuous zoom Target observator optical system |
| CN208026938U (en) * | 2018-01-25 | 2018-10-30 | 舜宇光学(中山)有限公司 | A kind of imaging unit and imaging system |
| CN109477947A (en) * | 2017-06-02 | 2019-03-15 | 株式会社尼康 | Lens barrel and photographic device |
| CN208902970U (en) * | 2018-08-24 | 2019-05-24 | 云南汉瑞光学仪器有限公司 | A kind of telescope zoom eye-piece |
| CN209028310U (en) * | 2018-12-04 | 2019-06-25 | 昆明明汇光学有限公司 | A kind of portable binoculars |
| CN110095853A (en) * | 2018-01-31 | 2019-08-06 | 佳能株式会社 | Lens barrel and photographic device |
-
2019
- 2019-11-12 CN CN201911097944.4A patent/CN112799205B/en active Active
Patent Citations (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1092180A (en) * | 1993-03-12 | 1994-09-14 | 中国人民解放军第三三○四工厂 | Band graduation zoom eye-piece |
| JP2006145796A (en) * | 2004-11-19 | 2006-06-08 | Nikon Corp | Microscope |
| EP1801634A1 (en) * | 2005-12-21 | 2007-06-27 | Carl Zeiss Sports Optics GmbH | Telescope with variable enlargement |
| CN101246244A (en) * | 2007-02-16 | 2008-08-20 | 株式会社腾龙 | Inner focusing zoom lens barrel |
| JP2009244293A (en) * | 2008-03-28 | 2009-10-22 | Kamakura Koki Kk | Magnification-variable optical equipment |
| CN101614506A (en) * | 2009-07-17 | 2009-12-30 | 南通蓬盛机械有限公司 | Sighting device |
| CN201476700U (en) * | 2009-07-17 | 2010-05-19 | 南通蓬盛机械有限公司 | Aiming device |
| US20180011230A1 (en) * | 2011-02-28 | 2018-01-11 | Plx, Inc. | Mount for an optical structure having a grooved protruding member and method of mounting an optical structure using such mount |
| CN104067156A (en) * | 2012-01-30 | 2014-09-24 | 富士胶片株式会社 | Lens device |
| CN105974554A (en) * | 2012-07-04 | 2016-09-28 | 佳能株式会社 | Lens barrel capable of increasing shooting magnification while being miniaturized, and image pickup apparatus |
| CN203117529U (en) * | 2013-03-26 | 2013-08-07 | 昆明佳明光学有限公司 | Multiple-variable eyepiece with diaphragm |
| JP2015175863A (en) * | 2014-03-13 | 2015-10-05 | キヤノン株式会社 | Position control method and optical apparatus |
| CN203981949U (en) * | 2014-06-27 | 2014-12-03 | 深圳市明日系统集成有限公司 | Spiral zoom lens and laser illuminator set |
| CN105158870A (en) * | 2015-10-12 | 2015-12-16 | 哈尔滨工业大学 | Internal-focusing high power focusing lens |
| CN205716048U (en) * | 2016-05-11 | 2016-11-23 | 河北建筑工程学院 | A kind of bobbin seal circle |
| CN106094184A (en) * | 2016-08-26 | 2016-11-09 | 福建福光股份有限公司 | Miniaturization big zoom ratio digital-code far-sighting camera lens and method of work thereof |
| CN206002764U (en) * | 2016-08-26 | 2017-03-08 | 福建福光股份有限公司 | Minimize big zoom ratio digital-code far-sighting camera lens |
| CN206440888U (en) * | 2017-02-17 | 2017-08-25 | 中山市慧瞳光电有限公司 | A kind of eyepiece stalk |
| CN109477947A (en) * | 2017-06-02 | 2019-03-15 | 株式会社尼康 | Lens barrel and photographic device |
| CN207440392U (en) * | 2017-11-26 | 2018-06-01 | 宁波湛京光学仪器有限公司 | A kind of telescope zoom eye-piece |
| CN207586530U (en) * | 2017-12-01 | 2018-07-06 | 昆明朗特光学仪器有限公司 | A kind of continuous zoom Target observator optical system |
| CN208026938U (en) * | 2018-01-25 | 2018-10-30 | 舜宇光学(中山)有限公司 | A kind of imaging unit and imaging system |
| CN110095853A (en) * | 2018-01-31 | 2019-08-06 | 佳能株式会社 | Lens barrel and photographic device |
| CN208902970U (en) * | 2018-08-24 | 2019-05-24 | 云南汉瑞光学仪器有限公司 | A kind of telescope zoom eye-piece |
| CN209028310U (en) * | 2018-12-04 | 2019-06-25 | 昆明明汇光学有限公司 | A kind of portable binoculars |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113376825A (en) * | 2021-06-15 | 2021-09-10 | 河南平原光电有限公司 | Variable-focus ocular lens visual field monitoring optical system |
| CN113376825B (en) * | 2021-06-15 | 2022-11-11 | 河南平原光电有限公司 | Variable-focus ocular lens visual field monitoring optical system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112799205B (en) | 2023-03-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107976789B (en) | Large-field-angle machine vision lens | |
| CN107957622B (en) | Large aperture and large image plane tele zoom lens | |
| CN107450151A (en) | Surgical operation microscope is without burnt continuous zoom system | |
| CN112799205B (en) | Quadruple ratio zoom eyepiece | |
| CN113534423A (en) | Zoom lens | |
| CN215813530U (en) | Zoom lens | |
| CN117055201B (en) | 8-time zoom security lens | |
| CN108132527B (en) | Optical system with optimized low-light effect | |
| CN110609380A (en) | Lens | |
| CN218181200U (en) | Afocal zoom lens and microscope | |
| CN111722381A (en) | Visual lens | |
| CN209117962U (en) | A kind of zoom lens and video camera | |
| CN106338816A (en) | Ultra high definition wide-angle zooming optical system | |
| CN110879451A (en) | Laser zoom lens | |
| CN217739599U (en) | Zoom lens | |
| CN114355593B (en) | High-definition multi-component large-zoom-ratio optical zoom lens and imaging method thereof | |
| CN113900239B (en) | Wide-angle large-area array starlight-level optical variable-pitch image detection lens | |
| CN107728297A (en) | A kind of wide working distance optical system of ultra-low distortion | |
| CN114578528A (en) | Super wide angle big light ring aspheric surface camera lens | |
| CN211061769U (en) | Three-guide-rail medium-wave infrared refrigeration continuous zoom lens with large zoom ratio | |
| CN207833094U (en) | A kind of wide working distance optical system of ultra-low distortion | |
| CN114895443A (en) | Zoom lens | |
| CN114089522A (en) | Zoom lens | |
| CN110174756B (en) | Zoom lens | |
| CN210954463U (en) | 50mm focal length high-definition low-distortion lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |