CN109884777A - A kind of high magnification compact telescopic sight optical system - Google Patents
A kind of high magnification compact telescopic sight optical system Download PDFInfo
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- CN109884777A CN109884777A CN201910132248.6A CN201910132248A CN109884777A CN 109884777 A CN109884777 A CN 109884777A CN 201910132248 A CN201910132248 A CN 201910132248A CN 109884777 A CN109884777 A CN 109884777A
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Abstract
The invention discloses a kind of high magnification compact telescopic sight optical systems, including the objective lens in same optical axis, focusing microscope group, field lens, image rotation lenses group, graticle and eyepiece group, infinity directional light forms converged light by chromatic aberration correction objective lens from object plane, an inverted image point is pooled by focusing microscope group, it forms diverging light and passes through high focal power field lens significantly compression light beam height, converging light is formed again passes through image rotation lenses group, make to converge in the division line of graticle as forming secondary positive picture point, last human eye observes the scenery amplified by angle by the big visual field eyepiece group of Ai Erfu goggle structure form.The present invention uses interior focusing structure type, and sealing performance is very good, and can be to close-ups, and without system of turning back, very high to the light axis consistency of graticle, directly to human eye at positive real image, the ability for collecting luminous energy is stronger, and enlargement ratio is high.
Description
Technical field
The invention belongs to optical technical fields, and in particular to a kind of high magnification compact telescopic sight optical system.
Background technique
The Optical devices that white light gun sight can be used directly as human eye apply valence with extremely important and irreplaceable
Value makes it have boundless application environment without power supply, portable characteristic.
Telescopic sight is divided into the multiple types such as Kepler-type, Galilean type, collimation formula and holographic diffraction sight, Kepler-type
Telescopic sight radial dimension is small, is easily installed and uses, and scale mark is added at focal plane, can magnify target, take aim at
Quasi- precision is high；Galilean telescope gun sight structure is simple, but transmitance is low, magnifying power is small；Collimation formula telescopic sight volume
Small, light weight, but light losing is big, remote aiming precision is low；Holographic diffraction sight structure type is complicated, environmental suitability compared with
Difference.
Summary of the invention
In order to solve the problems such as existing white light gun sight enlargement ratio is low, environmental suitability is poor, the present invention provides one kind
High magnification compact telescopic sight optical system realizes high power using the optical texture form of interior focusing and symmetrical image rotation
The human eye sight of rate is taken aim at.
The technical solution adopted by the present invention to solve the technical problems is: a kind of high magnification compact telescopic sight optics
System successively includes objective lens, focusing microscope group, field lens, image rotation lenses group, graticle and eyepiece group, the object lens along optical path
In same optical axis, infinity directional light passes through from object plane for group, focusing microscope group, field lens, image rotation lenses group, graticle and eyepiece group
Chromatic aberration correction objective lens form converged light, pool an inverted image point by focusing group, form diverging light and pass through high focal power field
Significantly compression light beam height, again formation converging light pass through image rotation objective lens, make to converge to picture in the division line of graticle mirror
Secondary positive picture point is formed, last human eye observes the scape amplified by angle by the big visual field eyepiece group of Ai Erfu goggle structure form
Object.
A kind of high magnification compact telescopic sight optical system, optical system spectral transmission range are 480nm
~650nm, system belong to human eye and directly see type of taking aim at without burnt telescopic system.
A kind of high magnification compact telescopic sight optical system, objective lens add glued microscope group using simple lens
At single doublet structure type, the glass trade mark uses high Abbe number De-dispersion material, such as fluor crown and light crown glass are whole
The entrance pupil of a optical system is located on first objective lens frame of objective lens.
A kind of high magnification compact telescopic sight optical system, focusing lens group are using two panels gluing mirror
The interior focusing structure of composition has negative power.Focusing lens group is sealed in gun sight structural member, manually or electrically side
Formula driving.
A kind of high magnification compact telescopic sight optical system, field lens are the high focal power positive lens of monolithic,
First face is plane or spherical surface, and the second face is spherical surface.
A kind of high magnification compact telescopic sight optical system, image rotation lenses group enlargement ratio select 1 times
Left and right, using two panels symmetrically glued microscope group at the relative aperture of single group image rotation lenses is in 1:2 or so.
A kind of high magnification compact telescopic sight optical system, graticle is the height for being carved with cross division line
Finish plate glass.
A kind of high magnification compact telescopic sight optical system, eyepiece group use big visual field Ai Erfu eyepiece
Structure type, i.e., double single doublets at.
The beneficial effects of the present invention are: optical system of the present invention can solve high-rate lens quality of the existing technology
Greatly, length is long, not anti-adverse environment and the problems such as cannot focus to short distance.The optical system is based on Kepler-type structure shape
Formula, radial dimension is very compact while realizing the amplification of target high magnification, and light weight is easily installed in all kinds of platforms, in focal plane
Locate once real image point, placing high-precision graticle can realize that high-precision aims at, which contains interior focusing group, realizes
Hermetically sealed short distance focusing form, can use in the presence of a harsh environment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of optical system of the present invention；
Fig. 2 is the structural schematic diagram of objective lens of the present invention；
Fig. 3 is the structural schematic diagram of focusing lens group of the invention；
Fig. 4 is the structural schematic diagram of image rotation lenses group of the invention；
Fig. 5 is the structural schematic diagram of eyepiece group of the invention.
Each appended drawing reference are as follows: 1-objective lens, 11-first refractive lens, 12-first refractive gluing mirrors, 2-focusing are saturating
Microscope group, 21-the second reflects glued mirror, 22-third reflect gluing mirrors, 3-field lenses, 4-image rotation lenses groups, 41-fourth reflects
Glued mirror, 5-graticles, 6-eyepiece groups, 61-the five reflects glued mirror, the 62-the second refractor, the 63-the six refraction glue
Close mirror.
Specific embodiment
The characteristics of in order to further fairly set out the technical program, is provided below specific embodiment and mutually ties with attached drawing
It closes, the present invention will be described, but should not be construed to limitation of the invention.
As shown in Figure 1, it is direct to belong to human eye the invention discloses a kind of high magnification compact telescopic sight optical system
Sight takes aim at type without burnt telescopic system, successively includes objective lens 1, focusing microscope group 2, field lens 3, image rotation lenses from object space to human eye along optical axis
Group 4, graticle 5 and eyepiece group 6, wherein the objective lens 1, focusing microscope group 2, field lens 3, image rotation lenses group 4, graticle 5 and mesh
For microscope group 6 in same optical axis, infinity directional light forms converged light by chromatic aberration correction objective lens 1 from object plane, passes through focusing group 2
An inverted image point is pooled, diverging light is formed and passes through high focal power field lens 3 significantly compression light beam height, form converging light again
By image rotation objective lens 4, make to converge to as forming secondary positive picture point in the division line of graticle 5, last human eye passes through Ai Erfu
The big visual field eyepiece group 6 of goggle structure form observes the scenery amplified by angle, and whole enlargement ratio is 30 times, optical system spectrum
It is 480nm~650nm through range, system belongs to human eye and directly sees type of taking aim at without burnt telescopic system.
As shown in Fig. 2, objective lens 1 using simple lens add glued microscope group at single doublet structure type, the glass trade mark adopts
With high Abbe number De-dispersion material, such as fluor crown and light crown glass, entire high magnification compact telescopic sight optical system
The entrance pupil of system is located on 1 first objective lens frame of objective lens, which is responsible for compression light beam bore, undertakes the correction function of most of color difference
Can, relative aperture.
As shown in figure 3, focusing lens group 2 is interior focusing structure type, using two panels gluing microscope group at being formed has negative light
The focusing lens group 2 of focal power, can be sealed in gun sight structural member, manually or electrically drive the focusing group, can be to low coverage
It focuses from target, relative aperture.
Field lens 3 is the high focal power positive lens of monolithic, and the first face is plane or spherical surface, and the second face is spherical surface, by light outside axis
The height of line is compressed, relative aperture.
As shown in figure 4, image rotation lenses group 4 using two panels symmetrically glued microscope group at the relative aperture of single group image rotation lenses exists
1:2 or so, 4 enlargement ratio of image rotation lenses group select 1 times or so, relative aperture.
Graticle 5 is the best bright finish plate glass for being carved with cross division line, and cross differentiation line can be carved according to actual needs
Different shape scales is lost into, but minimum scale interval should meet the requirement of human eye minimum resolution.
Eyepiece group 6 uses big visual field Ai Erfu goggle structure form, i.e., double single doublets are at relative aperture.
Following table is the optical system structure parameter list of optical system specific implementation example of the present invention, is experiment effect data
It embodies:
The present invention is not limited to above-mentioned preferred forms, and anyone skilled in the art can obtain under the inspiration of the present invention
Other deformations and improved products out, however, any variation is done in its shape or structure, it is all with same as the present application
Or similar technical solution, it is within the scope of the present invention.
Claims (9)
1. a kind of high magnification compact telescopic sight optical system, along optical path successively include objective lens (1), focusing microscope group (2),
Field lens (3), image rotation lenses group (4), graticle (5) and eyepiece group (6), it is characterised in that: the objective lens (1), focusing lens
Group (2), field lens (3), image rotation lenses group (4), graticle (5) and eyepiece group (6) are in same optical axis, and infinity directional light is from object
Face forms converged light by objective lens (1), pools an inverted image point by focusing group (2), forms diverging light and passes through high light focus
Field lens (3) significantly compression light beam height is spent, converging light is formed again by image rotation objective lens (4), makes to converge to graticle (5)
Division line on as forming secondary positive picture point, the scenery by angle amplification is by big visual field eyepiece group (6) by eye-observation.
2. a kind of high magnification compact telescopic sight optical system according to claim 1, which is characterized in that system light
Spectrum is 480nm~650nm through range.
3. a kind of high magnification compact telescopic sight optical system according to claim 2, which is characterized in that described
Objective lens (1) are located on (1) first objective lens frame of objective lens using single doublet structure type, the entrance pupil of system.
4. a kind of high magnification compact telescopic sight optical system according to claim 1, which is characterized in that described
Focusing lens group (2) be using two panels gluing microscope group at interior focusing structure, have negative power.
5. a kind of high magnification compact telescopic sight optical system according to claim 4, which is characterized in that described
Focusing lens group (2) is sealed in gun sight structural member, and manually or electrically mode drives.
6. a kind of high magnification compact telescopic sight optical system according to claim 1, which is characterized in that described
Field lens (3) is the high focal power positive lens of monolithic, and the first face is plane or spherical surface, and the second face is spherical surface.
7. a kind of high magnification compact telescopic sight optical system according to claim 1, which is characterized in that described
Image rotation lenses group (4) enlargement ratio selects 1 times, using two panels symmetrically glued microscope group at the relative aperture of single group image rotation lenses exists
1:2.
8. a kind of high magnification compact telescopic sight optical system according to claim 1, which is characterized in that described
Graticle (5) is the best bright finish plate glass for being carved with cross division line.
9. a kind of high magnification compact telescopic sight optical system according to claim 1, which is characterized in that described
Eyepiece group (6) uses big visual field Ai Erfu goggle structure form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132248.6A CN109884777B (en) | 2019-02-22 | 2019-02-22 | High-magnification compact telescopic sighting telescope optical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910132248.6A CN109884777B (en) | 2019-02-22 | 2019-02-22 | High-magnification compact telescopic sighting telescope optical system |
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| Publication Number | Publication Date |
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| CN109884777A true CN109884777A (en) | 2019-06-14 |
| CN109884777B CN109884777B (en) | 2021-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910132248.6A Active CN109884777B (en) | 2019-02-22 | 2019-02-22 | High-magnification compact telescopic sighting telescope optical system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501796A (en) * | 2019-08-21 | 2019-11-26 | 深圳市德沃先进自动化有限公司 | Compact continuously adjusts a times focal optical device |
| CN112596228A (en) * | 2020-12-28 | 2021-04-02 | 北京光探科技有限公司 | Novel coaxial double-view-field telescope system |
| CN112965237A (en) * | 2021-02-06 | 2021-06-15 | 常州市新瑞得仪器有限公司 | Wedge prism set with adjustable optical axis, aiming optical system and aiming method |
| CN114152145A (en) * | 2021-12-21 | 2022-03-08 | 湖南华南光电(集团)有限责任公司 | Compact wide-field white light sighting telescope optical system |
| CN116338931A (en) * | 2023-05-30 | 2023-06-27 | 成都庆龙航空科技有限公司 | Unmanned aerial vehicle photoelectricity sighting device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110501796A (en) * | 2019-08-21 | 2019-11-26 | 深圳市德沃先进自动化有限公司 | Compact continuously adjusts a times focal optical device |
| CN112596228A (en) * | 2020-12-28 | 2021-04-02 | 北京光探科技有限公司 | Novel coaxial double-view-field telescope system |
| CN112965237A (en) * | 2021-02-06 | 2021-06-15 | 常州市新瑞得仪器有限公司 | Wedge prism set with adjustable optical axis, aiming optical system and aiming method |
| CN114152145A (en) * | 2021-12-21 | 2022-03-08 | 湖南华南光电(集团)有限责任公司 | Compact wide-field white light sighting telescope optical system |
| CN116338931A (en) * | 2023-05-30 | 2023-06-27 | 成都庆龙航空科技有限公司 | Unmanned aerial vehicle photoelectricity sighting device |
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|---|---|
| CN109884777B (en) | 2021-07-16 |
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