CN101614506A - Sighting device - Google Patents
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- CN101614506A CN101614506A CN200910181677A CN200910181677A CN101614506A CN 101614506 A CN101614506 A CN 101614506A CN 200910181677 A CN200910181677 A CN 200910181677A CN 200910181677 A CN200910181677 A CN 200910181677A CN 101614506 A CN101614506 A CN 101614506A
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- 208000027418 Wounds and injury Diseases 0.000 description 1
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- 230000015572 biosynthetic process Effects 0.000 description 1
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- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
Abstract
The invention discloses a sighting device, which comprises a tube body, wherein an objective lens group, a negative field lens group, a dividing group, a positive field lens group, an image transfer group and an eyepiece lens group are sequentially arranged in the tube body, one end close to the objective lens group is also provided with a lighting device, a horizontal adjusting group, a height adjusting group and a focusing group, the image transfer group comprises a zooming cylinder with 3 zooming curve grooves and three groups of lens groups moving along the curve grooves, a first curve groove and a third curve groove on two sides and a second curve groove in the middle, the first lens group of the three groups of lens groups is arranged in the first curve groove, the lens group is a positive refractive index lens group, the second lens group is arranged in the second curve groove, the lens group is a negative refractive index lens group, the third lens group is arranged in the third curve groove, and the lens group is a positive refractive index lens group. The invention has the beneficial effects that: the sighting device has large zoom ratio and large magnified image, thus greatly improving the technical level and the technical performance of the sighting device for civil guns.
Description
Technical field
The present invention relates to a kind of civil-use gun sight.
Background technology
Present civil-use gun sight, it is all lower that the image rotation group of its use becomes multiple proportions, and therefore the change multiple proportions of the sight of being produced is lower, at present in the world, Lycra, Cai Si, the SAVAROSKI of Germany; Austrian Kahles; NIKON, the PENTAX of Japan; The civil-use gun sight of institute of ground manufacturer production and sales such as the sight that companies such as the BUSHNELL of the U.S., SIMMONS sell and domestic Nantong, Wuhan, it becomes multiple proportions and mostly is 3 times and 4 times greatly.The Cai Si company of Germany in 2006 in civil-use gun is produced with sight, at first releases 6 times of image rotation groups that become multiple proportions, makes civil-use gun obtain large increase with sight technical merit and point technique performance.
The present civil-use gun sight that uses, what the image rotation group that it adopts adopted is described two change traditional classical modes doubly that realize that move of just organizing on the optical design textbook, its difference only is the employed lens numbers difference of each set of lenses, all two the same positive lens groups on the pattern, wherein move and be used to compensate the image planes drift by first set of lenses of thing side, moving realization by second set of lenses as side becomes doubly, this change times relay system can provide sufficiently long distance of exit pupil into whole sighting telescope optical system for gun, kick causes the injury to human eye when avoiding shooting, and also can realize optical property preferably.But the change of this classics times relay system can't be realized very high change multiple proportions, do not adopt under the situation of special process at change times curved groove, its limit that can reach is 5.6 *, even if adopt the change times curved groove of special process processing, 6 *-7 * be exactly its change proportional limit that can reach, and in order not sacrifice optical property, must increase some supplementary lenses and compensate, cause whole optical system complicated.Therefore, the change multiple proportions of the gun sight of producing with this traditional change times relay system is lower.
Along with the raising and the social progress of consumer's level of understanding, consumers in general need become the higher riflescope of multiple proportions.
For satisfying the demand, U.S. REDFIELD company has developed 5 times of riflescope series that become multiple proportions, because the progress of technological level is used the sight field at rifle, it becomes a times relay system and has adopted revolutionary three groups of three-flutes to become times mode.This change times relay system is first set of lenses with positive refraction focal power successively, has second set of lenses of positive refraction focal power and have the 3rd set of lenses of negative refraction focal power from the thing side, promptly what is called just-just-negative three set of lenses formulas become times relay system.When the location status of set of lenses when low power becomes high power, three set of lenses move simultaneously by running orbit separately.This change times relay system is when realizing than the hypermutation multiple proportions, kept higher optical property, but its first positive lens groups realizes becoming doubly owing to moving, just must be arranged in the image rotation group, its outside dimension is subjected to very big restriction, it also will bear the field lens function, and the angle of visual field of riflescope also just is subjected to very big restriction like this.Simultaneously, because first positive lens groups is born the function of field lens, just can not be too far away from the preceding image planes that become times relay system, the mobile range of such first and second set of lenses is restricted simultaneously, also is unfavorable for realizing higher change multiple proportions.
The change times relay system of another kind of 6 * change multiple proportions has been proposed in United States Patent (USP) NO.US2007/0019289 A1 and the European patent EP 1746451 (A2), this change times relay system is first set of lenses with positive refraction focal power successively, has second set of lenses of positive refraction focal power and have the 3rd set of lenses of negative refraction focal power from the thing side, promptly just-just-and negative three set of lenses formulas become times relay system.When the location status of set of lenses when low power becomes high power, first positive lens groups and second positive lens groups move simultaneously by running orbit separately, the 3rd negative lens group maintains static.When realizing than the hypermutation multiple proportions, also have the optical property and the very big angle of visual field preferably, but become traditional approach doubly because the still two positive lens groups that adopt move, this optics pattern realizes that more the potentiality of hypermutation multiple proportions are very limited.
Summary of the invention
Technical problem to be solved by this invention is at above-mentioned the deficiencies in the prior art, and provide a kind of and have 8 * or the change times image rotation group of the civilian riflescope of higher change multiple proportions.
For solving the problems of the technologies described above, the technical solution used in the present invention is:
A kind of sight, comprise body, in body, be disposed with objective lens, negative field lens group, the graduation group, positive field lens group, image rotation group and eyepiece group, at a end near objective lens, on described body, also be provided with luminaire, level adjusting group, height adjusting group and focusing group, it is characterized in that: described image rotation group, comprise having the change times tube that becomes times curved groove and being arranged on and become times three groups of set of lenses that tube upper edge curved groove moves, described change times curved groove is 3, first curved groove of both sides and the 3rd curved groove and the second middle curved groove, first set of lenses of described three groups of set of lenses is arranged in first curved groove, and this set of lenses is the positive refracting power set of lenses, described second set of lenses is arranged in second curved groove, and this set of lenses is the negative refractive rate lens group, described the 3rd set of lenses is arranged in the 3rd curved groove, and this set of lenses is the positive refracting power set of lenses.
The head end of the end of the head end of described first curved groove, second curved groove, the 3rd curved groove is being parallel on the change times straight line that tube is axial, and the head end of the end of described first curved groove, second curved groove, the end of the 3rd curved groove are being parallel on change times another axial straight line.
The described first set of lenses G1 is made up of a positive lens and the gummed positive lens to picture lateral bending song; The described second set of lenses G2 is made up of a negative lens; Described the 3rd lens G3 group is made up of a gummed positive lens and the positive lens to thing lateral bending song.
Among the present invention, rifle becomes times image rotation group with sight and begins to comprise in regular turn from the thing side: first set of lenses with positive refracting power ability, second set of lenses with negative index ability has the 3rd set of lenses of positive refracting power ability, i.e. the portable times image rotation group that becomes of " Negative-Positive-Negative " three set of lenses.Adopt the benefit of such optics pattern to be, each set of lenses all need not be born the function of field lens, thereby the restriction ratio that the moving range aspect is subjected to is less.In addition, when design has the change times curve of the second set of lenses G2 of negative index ability, adopted and carried out conic section at the contact of a curve place and find the solution positive and negative technology of changing root, cause in whole change times process, guaranteeing under the condition that image planes are compensated fully, G1, G2 and G3 multiplying power contribution is separately amplified simultaneously or is dwindled simultaneously, has greatly improved and has become efficiency-timed rate, makes these three set of lenses just can obtain very high change multiple proportions under the situation of smaller amount of movement.
The invention has the beneficial effects as follows: it is big that sight becomes multiple proportions, and the image of amplification is big, makes civil-use gun obtain bigger raising with sight technical merit and point technique performance.
Description of drawings
Fig. 1 is the vertical section structure figure of structure of the present invention.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is an optical system diagram of the present invention.
Fig. 4 is the structural section figure of the change times image rotation group of the embodiment of the invention.
Fig. 5 then expressed in low power end (L) and high power end (H), according to the optical principle schematic diagram of the change times image rotation group of the embodiment of the invention.
Fig. 6 is that the present invention becomes the doubly structural representation of tube of times image rotation group change.
1. objective lens among the figure, 2. negative field lens group, 3. graduation group, 4. positive field lens group, 5. image rotation group, 6. luminaire, 7. height adjusting group, 8. level adjusting group, 9. eyepiece group, 10. focusing group, 11. object lens and collar, 12. mirror pipes, 13. the potentiometer seat, 14. become times dial drum, 15. inner lens cones location spacer ring, 16. spacing collar, 17. dog screws, 18. sealing gaskets, 19. the focusing lid, 20. spring housings, 21. sealing rings, 22. spring, 23. spring enclosing covers, 24. screw M2 * 5,25. screw M1.6 * 3,26. object lens case rings, 27. screw M2 * 4,28. screw M2 * 2,29. scope pipes location trim ring, 30.O type circle 30 * 1.8,31.O type circle 30 * 1.8,32. focusing pins, 33. focusing pin covers, 34, preceding image planes, 35, back image planes, 16, become doubly tube, 1-1. cemented objective, 1-2. object lens the 3rd lens, 2-3. bears field lens, 3-1, first curved groove, 3-2, second curved groove, 3-3, the 3rd curved groove, 3-4 mil point graticle, 4-5. positive field lens, 5-6. image rotation first lens, 5-7. image rotation balsaming lens one, 5-8. image rotation the 4th lens, 5-9. image rotation balsaming lens two, 5-10. image rotation the 7th lens, 9-11. eyepiece balsaming lens, 9-12. eyepiece the 3rd lens.
The specific embodiment
Sight requires to assemble in the cleaning shop, and relative humidity remains on about 75%; The operator must wear protection health clothes, hygienic cap, health footwear.
After image rotation group 5 assembled, be loaded in the mirror pipe 12; After mirror pipe 12 right-hand members are loaded onto spacing collar 16, in the eyepiece group 9 of again eyepiece balsaming lens 9-11 and eyepiece the 3rd lens 9-12 being packed into, then eyepiece group 9 is loaded on mirror pipe 12 right-hand members, and it is sealed with 504 fluid sealants; At mirror pipe 12 left ends, in the mirror pipe 12 of earlier positive field lens group 4 being packed into; Again graduation group 3 is packed in the mirror pipe 12; To bear field lens group 2 again packs in the mirror pipe 12; After at last cemented objective 1-1 and object lens the 3rd lens 1-2 being assembled into objective lens 1, be loaded on mirror pipe 12 left ends; Refill object lens case ring 26, and it is sealed with 504 fluid sealants; Become times dial drum 14 at mirror pipe 12 outsides dress then, focusing group 10, height adjusting group 7, level adjusting group 8, luminaire 6; Then by the fabrication hole on the mirror pipe 12, to enriching nitrogen after vacuumizing in the mirror pipe 12 again.During all lens arrangement of optical system, all with and press circle it be fixed.
The formed optical system in sight assembling back, putting in order from left to right is cemented objective 1-1, object lens the 3rd lens 1-2, negative field lens 2-3, mil point graticle 3-4, just field lens 4-5, the image rotation first lens 5-6, image rotation balsaming lens one 5-7, image rotation the 4th lens 5-8, image rotation balsaming lens two 5-9, image rotation the 7th lens 5-10, eyepiece balsaming lens 9-11, eyepiece the 3rd lens 9-12.
The present invention is in civil-use gun is produced with sight, and the change multiple proportions that successfully adopts our company's development is 8 times image rotation group, produces to become multiple proportions and be 8 times powerful civil-use gun sight.It is made up of parts such as objective lens, negative field lens group, graduation group, positive field lens group, image rotation group, luminaire, height adjusting group, level adjusting group, eyepiece group, focusing group, object lens and collar, mirror pipe, potentiometer seat, change times dial drum, scope pipe location spacer ring, spacing collar, sealing gasket, focusing lid, spring housing, sealing ring, spring, spring enclosing cover, object lens case ring, scope pipe location trim rings.Mirror pipe left end is formed, is loaded on to objective lens by cemented objective, object lens the 3rd lens, object lens case ring; Negative field lens group is made up of spring and negative field lens, is loaded on objective lens right side in the mirror pipe; The graduation group is made up of mil point graticle, is loaded on negative field lens group right side in the mirror pipe; Positive field lens group is made up of positive field lens, is loaded on graduation group right side in the mirror pipe; The image rotation group is made up of parts such as image rotation group one, image rotation group two, image rotation group three, change times tube, change times cam path, centring ring, adjusting ring, trim ring, change times pins, and image rotation group one is made up of image rotation first lens and image rotation balsaming lens one; Image rotation group two is made up of image rotation the 4th lens; Image rotation group three is made up of image rotation balsaming lens two and image rotation the 7th lens.Image rotation group one, two and three is loaded in the interior image rotation group of mirror pipe, is positioned at positive field lens right side; The eyepiece group is made up of eyepiece balsaming lens and eyepiece the 3rd lens, is loaded on image rotation group right side, i.e. mirror pipe right-hand member.Each assembles the orientation is to be reference with the objective lens rigging position; If mirror tube side position changes, the objective lens position is in right-hand member, and then above-mentioned all assembling orientation promptly become the left side.Form aiming device optical system by objective lens, negative field lens group, graduation group, positive field lens group, image rotation group and eyepiece group.Putting in order from left to right is cemented objective, object lens the 3rd lens, negative field lens, mil point graticle, positive field lens, image rotation first lens, image rotation balsaming lens one, image rotation the 4th lens, image rotation balsaming lens two, image rotation the 7th lens, eyepiece balsaming lens and eyepiece the 3rd lens.Luminaire is loaded on the mirror pipe outside, and it is made up of potentiometer, potentiometer seat, printed substrate, red and green luminous diode and button battery.Can change the graticle red green color of throwing light on by regulator potentiometer; Focusing is assembled in the mirror pipe outside, and it is made up of focusing lid, spring housing, sealing ring, spring and spring enclosing cover, and the focusing group is used to regulate the sight focus; Height is regulated and is assembled in the mirror pipe outside, and it is used to regulate ballistic trajectory; Level is regulated and is assembled in the mirror pipe outside, and it is used to regulate windage yaw; Become a times dial drum and be loaded on the mirror pipe outside, it is used to regulate the change of image rotation group doubly, makes image multiplication.
Gun sight becomes times image rotation group and begins to comprise in regular turn from the thing side: be arranged on the first set of lenses G1 with positive refracting power ability in first curved groove 31 on the change times tube 36, the second set of lenses G2 in second curved groove 32 with negative index ability, the 3rd set of lenses G3 in the 3rd curved groove 33 with positive refracting power ability.When the state of set of lenses position by the low power end in the process of high power end conversion, first set of lenses is to the thing side shifting, the second set of lenses G2 is to the picture side shifting, the 3rd set of lenses G3 is to the thing side shifting, distance between the first set of lenses G1 and the second set of lenses G2 prolongs like this, distance between the second set of lenses G2 and the 3rd set of lenses G3 shortens right, the corresponding change of distance between the 3rd set of lenses G3 and the back image planes.
By the data among the embodiment of back as can be seen, the amount of movement of these three set of lenses is all very little, the second set of lenses G2 that connects the amount of movement maximum, its amount of movement also only is equivalent to become in common 4 * change multiple proportions relay system doubly organizes 1/3rd of amount of movement, this feature is involutory in the utility model pats weighing apparatus and aberration, especially off-axis aberration when proofreading and correct each multiplying power are obviously highly beneficial, makes the riflescope of constructing with this change times relay system can obtain very high image quality.
[embodiment]
Present embodiment is the situation that the utility model is applied to 1-8 * 30 riflescopes.
In the change times relay system according to present embodiment, the first set of lenses G1 is made up of a positive lens and the gummed positive lens to picture lateral bending song.
Wherein: 1, preceding image planes, 2, the back image planes.
The second set of lenses G2 is made up of a negative lens.
The 3rd set of lenses is made up of a gummed positive lens and the positive lens to thing lateral bending song.
The various data relevant with present embodiment are listed in the table below.
In [major parameter], become the maximum magnifying power of multiple proportions=zooming system/minimum magnifying power.
In [lens data], first hurdle is the surperficial number of counting from the thing side, and the second hurdle R is the radius of curvature of lens surface, and third column D is the distance between the adjacent lens surface, and the 4th hurdle N is that (refractive index of λ=587.6nm), the 5th hurdle v is an Abbe number at the d line.Radius of curvature is to represent it is the plane at 0 o'clock.BF represents system's back focal length.
In [variable range data], B represents the enlargement ratio of riflescope.
In numerical tabular, mm generally is used for the unit of the distance between length such as diameter, focal length, radius of curvature, the adjacently situated surfaces.But because the proportional amplification of optical system or dwindle its size and can obtain similar optical property so unit needn't be limited to mm, and can be used any other suitable unit.
[major parameter]
| Become multiple proportions | Minimum multiplying power | Maximum multiplying power | Aperture of objective lens | The angle of visual field | Exit pupil diameter | Distance of exit pupil |
| ??8× | ??1× | ??8× | ??Φ30 | ??15°-1.9° | ??14-3.75 | ??100-70 |
[lens data]
R??????????D????N????????v
10 (preceding image planes) D1
2???38?????????3.3??1.51637??64.1
3???-38????????0.3
4???20.8???????1.5??1.75523??27.5
5???11.15??????5.1??1.51637??64.1
6???51.29??????D6
7???-20.14?????1.5??1.61309??60.6
8???20.14??????D8
9???-17.14?????6????1.51637??64.1
10??-9.419?????1.5??1.75523??27.5
11??-14.723????0.3
12??100.312????2.9??1.51637??64.1
13??-29.51?????(BF)
[variable range data]
B?????1×???????2.76×????4.5×?????6.24×????8×
D1????64.851????56.676????52.866????50.477????48.785
D6????5.185?????21.825????29.995????35.762????40.343
D8????41.93?????25.29?????17.12?????11.353????6.772
BF????71.354????79.529????83.338????85.73?????87.423
As mentioned above, the invention enables and to provide various and have 8 * or hypermutation multiple proportions and have the riflescope of high imaging quality more.
In the present invention, bearing three set of lenses G1, G2 of anamorphosis function and each free which optical element of G3 constitutes and is not limited in the formation pattern that embodiment exemplifies.The present invention is characterized in, bear three set of lenses G1, the G2 and the G3 that become times task, its optical power profile is " Negative-Positive-Negative " combination with innovative significance, and when becoming times, and three set of lenses of G1, G2 and G3 move along optical axis by separately running orbit simultaneously.Therefore all possess the riflescope change times relay system of this principal character, all in the scope that the present invention is contained.
Claims (3)
1, a kind of sight, comprise body, in body, be disposed with objective lens, negative field lens group, the graduation group, positive field lens group, image rotation group and eyepiece group, at a end near objective lens, on described body, also be provided with luminaire, level adjusting group, height adjusting group and focusing group, it is characterized in that: described image rotation group, comprise having the change times tube that becomes times curved groove and being arranged on and become times three groups of set of lenses that tube upper edge curved groove moves, described change times curved groove is 3, first curved groove of both sides and the 3rd curved groove and the second middle curved groove, first set of lenses of described three groups of set of lenses is arranged in first curved groove, and this set of lenses is the positive refracting power set of lenses, described second set of lenses is arranged in second curved groove, and this set of lenses is the negative refractive rate lens group, described the 3rd set of lenses is arranged in the 3rd curved groove, and this set of lenses is the positive refracting power set of lenses.
2, sight according to claim 1, it is characterized in that: the end of the head end of described first curved groove, second curved groove, the head end of the 3rd curved groove are being parallel on the change times straight line that tube is axial, and the head end of the end of described first curved groove, second curved groove, the end of the 3rd curved groove are being parallel on change times another axial straight line.
3, sight according to claim 1 is characterized in that: described first set of lenses (G1) is made up of a positive lens and the gummed positive lens to picture lateral bending song; Described second set of lenses (G2) is made up of a negative lens; Described the 3rd lens (G3) group is made up of a gummed positive lens and the positive lens to thing lateral bending song.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910181677A CN101614506B (en) | 2009-07-17 | 2009-07-17 | Sighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910181677A CN101614506B (en) | 2009-07-17 | 2009-07-17 | Sighting device |
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| CN101614506A true CN101614506A (en) | 2009-12-30 |
| CN101614506B CN101614506B (en) | 2012-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200910181677A Active CN101614506B (en) | 2009-07-17 | 2009-07-17 | Sighting device |
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| CN (1) | CN101614506B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871747A (en) * | 2010-06-12 | 2010-10-27 | 山东亿能光学仪器股份有限公司 | Sighting telescope optical system for gun |
| CN101871746A (en) * | 2010-06-12 | 2010-10-27 | 山东亿能光学仪器股份有限公司 | Optical system of sighting telescope for portable gun |
| CN105588474A (en) * | 2015-09-14 | 2016-05-18 | 宁波舜宇电子有限公司 | Optical sight with novel focusing mechanism |
| CN109884777A (en) * | 2019-02-22 | 2019-06-14 | 华中光电技术研究所（中国船舶重工集团有限公司第七一七研究所） | A kind of high magnification compact telescopic sight optical system |
| CN109975970A (en) * | 2017-12-27 | 2019-07-05 | 信泰光学(深圳)有限公司 | Sighting device |
| CN112799205A (en) * | 2019-11-12 | 2021-05-14 | 昆明明汇光学有限公司 | Quadruple ratio zoom eyepiece |
| WO2023134102A1 (en) * | 2022-01-17 | 2023-07-20 | 合肥英睿系统技术有限公司 | Reticle adjustment structure and reticle adjustment method thereof, and multi-mode sighting apparatus |
| CN117991482A (en) * | 2024-04-03 | 2024-05-07 | 武汉高明兰光电科技有限公司 | High-zoom-ratio sighting telescope optical system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2079277U (en) * | 1990-03-28 | 1991-06-19 | 国营湖北华中精密仪器厂 | Gun sighting mirror |
| CN1034446C (en) * | 1993-03-12 | 1997-04-02 | 中国人民解放军第三三○四工厂 | Continuously zooming eyepieces |
| CN201476700U (en) * | 2009-07-17 | 2010-05-19 | 南通蓬盛机械有限公司 | Aiming device |
-
2009
- 2009-07-17 CN CN200910181677A patent/CN101614506B/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871747A (en) * | 2010-06-12 | 2010-10-27 | 山东亿能光学仪器股份有限公司 | Sighting telescope optical system for gun |
| CN101871746A (en) * | 2010-06-12 | 2010-10-27 | 山东亿能光学仪器股份有限公司 | Optical system of sighting telescope for portable gun |
| CN101871747B (en) * | 2010-06-12 | 2012-09-26 | 山东亿能光学仪器股份有限公司 | Sighting telescope optical system for gun |
| CN105588474A (en) * | 2015-09-14 | 2016-05-18 | 宁波舜宇电子有限公司 | Optical sight with novel focusing mechanism |
| CN109975970A (en) * | 2017-12-27 | 2019-07-05 | 信泰光学(深圳)有限公司 | Sighting device |
| CN109975970B (en) * | 2017-12-27 | 2021-12-10 | 信泰光学(深圳)有限公司 | Aiming device |
| CN109884777A (en) * | 2019-02-22 | 2019-06-14 | 华中光电技术研究所（中国船舶重工集团有限公司第七一七研究所） | A kind of high magnification compact telescopic sight optical system |
| CN112799205A (en) * | 2019-11-12 | 2021-05-14 | 昆明明汇光学有限公司 | Quadruple ratio zoom eyepiece |
| CN112799205B (en) * | 2019-11-12 | 2023-03-14 | 昆明明汇光学有限公司 | Quadruple ratio zoom eyepiece |
| WO2023134102A1 (en) * | 2022-01-17 | 2023-07-20 | 合肥英睿系统技术有限公司 | Reticle adjustment structure and reticle adjustment method thereof, and multi-mode sighting apparatus |
| CN117991482A (en) * | 2024-04-03 | 2024-05-07 | 武汉高明兰光电科技有限公司 | High-zoom-ratio sighting telescope optical system |
| CN117991482B (en) * | 2024-04-03 | 2024-06-04 | 武汉高明兰光电科技有限公司 | High-zoom-ratio sighting telescope optical system |
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