CN108549144A - Rangefinder optical system and telescopic range finder - Google Patents
Rangefinder optical system and telescopic range finder Download PDFInfo
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- CN108549144A CN108549144A CN201810675127.1A CN201810675127A CN108549144A CN 108549144 A CN108549144 A CN 108549144A CN 201810675127 A CN201810675127 A CN 201810675127A CN 108549144 A CN108549144 A CN 108549144A
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- diversing lens
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- 230000003287 optical effect Effects 0.000 title claims abstract description 71
- 239000004973 liquid crystal related substance Substances 0.000 claims description 12
- 238000005259 measurement Methods 0.000 abstract description 12
- 230000008859 change Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000009738 saturating Methods 0.000 description 4
- 239000003292 glue Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 108010001267 Protein Subunits Proteins 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 230000028161 membrane depolarization Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/02—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices involving prisms or mirrors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S7/00—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00
- G01S7/48—Details of systems according to groups G01S13/00, G01S15/00, G01S17/00 of systems according to group G01S17/00
- G01S7/481—Constructional features, e.g. arrangements of optical elements
- G01S7/4811—Constructional features, e.g. arrangements of optical elements common to transmitter and receiver
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- Astronomy & Astrophysics (AREA)
- Optics & Photonics (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Measurement Of Optical Distance (AREA)
Abstract
The present invention provides a kind of rangefinder optical system and telescopic range finders, are related to the technical field of optical instrument, the rangefinder optical system, including：Half pentagonal prism, diversing lens, photocell and light receiving element, and diversing lens one end and half pentagonal prism surface bonding, the other end of diversing lens is towards photocell, so that the transmitting light that photocell is sent out turns to directive measured target by half pentagonal prism again after diversing lens and forms reflected light, reflected light is radiated on light receiving element.Diversing lens and half pentagonal prism are glued together, as a component, cancel compensating prism simultaneously, observation optical axis and transmitting optical axis coincidence can be easily adjusted when adjustment, ensure measurement accuracy, saves working hour, reduce cost, meanwhile dislocation on half pentagonal prism and diversing lens recurring structure will not be caused because of the variation of environment temperature.
Description
Technical field
The present invention relates to the technical fields of optical instrument, more particularly, to a kind of rangefinder optical system and telescope ranging
Instrument.
Background technology
In telescope field, laser ranging is normally applied TOF measurement principle, that is, utilizes light flight time and light flying speed
Product be equal to light flying distance principle (S=CT)；Time point and laser when concrete application, that is, recording laser transmitting beat
It is returned after on object to be received the time point that system receives, the difference at the two time point is the light flight time, then sharp
It is multiplied with the aerial speed C of light with the light flight time and obtains laser emission point away from twice at a distance from object.Generally
Ground, the telescope with laser ranging include Laser emission light path system, it from laser tube (laser) to emitting
Laser is expanded, collimates and then project laser to object, further includes telescopic system, it is mainly by objective system and eyepiece system
System is constituted, and the effect of objective system is that the scenery of distant place is clearly imaged on its focal plane, and eyes pass through eyepiece system pair
Objective system imaging is observed, and is accurately said, telescopic system is to distant object in telescope into clear real image
Optical system.
Existing telescopic range finder optical system, most of is all by observing system, emission system and reception system etc.
Three parts form.And observing system and emission system are all often to add compensating prism with benhain prism to carry out conjunction sub-unit, such as
Shown in Fig. 1.But since this structure diversing lens, benhain prism, compensating prism are separation, in optical element group
Dress when, to make observation optical axis and transmitting optical axis coincidence to ensure that measurement accuracy will adjust benhain prism and diversing lens, this
Sample adjustment is very difficult and time consuming.Protected from environmental simultaneously also to destroy the quality adjusted, measurement accuracy will be impacted.
Invention content
The purpose of the present invention is to provide a kind of rangefinder optical system and telescopic range finders, to alleviate existing prestige
Remote mirror rangefinder optical system will make observation optical axis and transmitting optical axis coincidence to ensure measurement accuracy when optical element assembles
Benhain prism and diversing lens will be adjusted, will be adjusted so very difficult and time consuming.It is protected from environmental simultaneously also to destroy tune
Whole good quality, the technical problem that measurement accuracy will be impacted.
In a first aspect, a kind of rangefinder optical system provided in an embodiment of the present invention, including：Half pentagonal prism, transmitting are saturating
Mirror, photocell and light receiving element, and described diversing lens one end and the half pentagonal prism surface bonding, the transmitting
The other end of lens towards the photocell so that the transmitting light that sends out of photocell after the diversing lens again
Directive measured target is turned to by half pentagonal prism and forms reflected light, and the reflected light is radiated on light receiving element；
Alternatively, the other end of the diversing lens is towards the light receiving element, so that the transmitting that photocell is sent out
Light forms reflected light after measured target reflects, and the reflected light turns to go backward through the transmitting by half pentagonal prism
Lens lighting is on light receiving element.
Further, the diversing lens are cemented doublet, and the diversing lens include the first spherical lens and the
Two spherical lenses.
Further, the rangefinder optical system further include telephotolens, Schmidt's roof prism, liquid crystal graticle and
Eyepiece, Schmidt's roof prism are arranged with half pentagonal prism interval to form benhain prism, so that measured target institute
The light of reflection is imaged on the liquid crystal graticle after the telephotolens, half pentagonal prism, Schmidt's roof prism successively.
Further, the telephotolens, benhain prism, liquid crystal graticle and eyepiece form observing system；
Half pentagonal prism, diversing lens and photocell in the telephotolens, benhain prism form emission system.
Further, the rangefinder optical system further includes receiving object lens and colour filter, and the reception object lens are used for will
The light of measured target reflection is emitted to after converging to colour filter on light receiving element.
Further, half pentagonal prism is matched with wavelength of transmitted light towards being coated in the one side of the diversing lens
Anti-reflection film；Half pentagonal prism towards be also coated in the one side of the diversing lens with it is reflected from measured target
The high-reflecting film of optical wavelength.
Further, the one side of the direction of half pentagonal prism Schmidt's roof prism will be coated with visible wavelength
Anti-reflection film；The one side of direction Schmidt's roof prism of half pentagonal prism will be also coated with to be matched with wavelength of transmitted light
High-reflecting film.
Further, the colour filter is matched with the photocell, so that the colour filter can only penetrate the light
The light of radiated element transmitting.
Further, the one side of the diversing lens towards half pentagonal prism is an inclined-plane, and the inclined-plane inclines
The oblique angle of inclination in face of the degree with half pentagonal prism towards the diversing lens is identical, and the angle of inclination is 22.5
Degree.
Second aspect, a kind of telescopic range finder provided in an embodiment of the present invention, including shell and above-mentioned rangefinder light
System.
The embodiment of the present invention brings following advantageous effect：
A kind of rangefinder optical system provided in an embodiment of the present invention and telescopic range finder, the rangefinder optical system
Including：Half pentagonal prism, diversing lens, photocell and light receiving element, the transmitting light that photocell is sent out are radiated at
After measured target, reflected light is received by light receiving element, and half pentagonal prism and diversing lens are located among light path, and the hair
Lens one end and the half pentagonal prism surface bonding are penetrated, becomes a component, the other end of the diversing lens is described in
Photocell, so that the transmitting light that photocell is sent out is turned by half pentagonal prism again after the diversing lens
Reflected light is formed to directive measured target, the reflected light is radiated on light receiving element；Alternatively, the diversing lens is another
End is towards the light receiving element, so that the transmitting light that photocell is sent out forms reflected light after measured target reflects,
The reflected light goes backward through the diversing lens by half pentagonal prism turn and is radiated on light receiving element.It will emit saturating
Mirror and half pentagonal prism are glued together, become a component, while cancelling compensating prism, and when adjustment can be easily adjusted observation
Optical axis and transmitting optical axis coincidence, it is ensured that measurement accuracy saves working hour, reduces cost, meanwhile, it will not be because of the change of environment temperature
Change and causes the dislocation on half pentagonal prism and diversing lens recurring structure.
Other features and advantages of the present invention will illustrate in the following description, also, partly become from specification
It obtains it is clear that understand through the implementation of the invention.The purpose of the present invention and other advantages are in specification, claims
And specifically noted structure is realized and is obtained in attached drawing.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Description of the drawings
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, other drawings may also be obtained based on these drawings.
Fig. 1 is the schematic diagram of existing telescopic range finder optical system；
Fig. 2 is the schematic diagram for the rangefinder optical system that the embodiment of the present invention 1 provides；
Fig. 3 is the schematic diagram of the emission system for the rangefinder optical system that the embodiment of the present invention 1 provides；
Fig. 4 is the schematic diagram of the observing system for the rangefinder optical system that the embodiment of the present invention 1 provides；
Fig. 5 is the schematic diagram of the reception system for the rangefinder optical system that the embodiment of the present invention 1 provides；
Fig. 6 is the schematic diagram for the rangefinder optical system that the embodiment of the present invention 2 provides.
Icon：100- telephotolens；Half pentagonal prisms of 210-；220- Schmidt's roof prisms；310- liquid crystal graticles；
320- eyepieces；500- diversing lens；600- photocells；710- receives object lens；720- colour filters；730- light receiving elements；
800- measured targets；900- compensating prisms.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that such as occur term "center", "upper", "lower", "left", "right",
The orientation or positional relationship of "vertical", "horizontal", "inner", "outside" etc., instruction is that orientation based on ... shown in the drawings or position are closed
System, is merely for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have
Specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, such as there is art
Language " first ", " second ", " third " are used for description purposes only, and are not understood to indicate or imply relative importance.
In addition, in the description of the embodiment of the present invention unless specifically defined or limited otherwise, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connects, and can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two members
Connection inside part.For the ordinary skill in the art, it can understand above-mentioned term in the present invention with concrete condition
Concrete meaning.
The present invention provides a kind of rangefinder optical systems, and multiple embodiments are given below to rangefinder provided by the invention
The structure of optical system is described in detail.
Embodiment 1
As Figure 2-Figure 5, the rangefinder optical system that the embodiment of the present invention 1 provides, the rangefinder optical system packet
It includes：Half pentagonal prism 210, diversing lens 500, photocell 600 and light receiving element 730, what photocell 600 was sent out
After transmitting light is radiated at measured target 800, reflected light is received by light receiving element 730, and half pentagonal prism 210 and diversing lens
500 are located among light path, and 500 one end of the diversing lens and half pentagonal prism, 210 surface bonding, become a portion
Part, the other end of the diversing lens 500 is towards the photocell 600, so that the transmitting light that photocell 600 is sent out
Directive measured target 800 is turned to by half pentagonal prism 210 again after the diversing lens 500 and forms reflected light, institute
Reflected light is stated to be radiated on light receiving element 730.Diversing lens 500 and half pentagonal prism 210 are glued together, become one
Component, while cancelling compensating prism, when adjustment, can be easily adjusted observation optical axis and transmitting optical axis coincidence, it is ensured that measurement accuracy,
Working hour is saved, cost is reduced, meanwhile, half pentagonal prism 210 and diversing lens will not be caused because of the variation of environment temperature
Dislocation on 500 recurring structures.
Wherein, diversing lens 500 and half pentagonal prism 210 are glued integral, in this way, being compared using optics cold working precision
This high advantage, overcomes diversing lens 500 and benhain prism and compensating prism in prior art emission system to detach and cause
Adjust observation optical axis and this difficult disadvantage of transmitting optical axis coincidence, avoid due to observation optical axis and transmitting optical axis it is misaligned caused by
Measurement error, not only adjustment is convenient, saves working hour, reduces cost.
Traditional rangefinder optical system needs to adjust photocell 600 simultaneously when installing into units, and transmitting is saturating
Mirror 500 and half pentagonal prism 210, the change of three can all influence light transformation of axis, after three is fixed on shell because collide with or
The change of person's environment temperature, after the change of three's relative position, relative position can be caused to change, observation optical axis and transmitting optical axis
Registration will necessarily reduce.And in the application, by optics cold processing technique, by 210 glue of diversing lens 500 and half pentagonal prism
It is combined, reduces variable, reduce observation optical axis and emit the relative position change probability of optical axis, also, adjustment is convenient,
Save working hour.
The diversing lens 500 are cemented doublet, and the diversing lens 500 include the first spherical lens and the second ball
Face lens, diversing lens 500 are double glued constructions, and the optical quality of entire emission system has greatly improved.
Further, since critical component is glued together, basis is provided for intelligent automatic Assembling Production.
Further, the rangefinder optical system further includes telephotolens 100, Schmidt's roof prism 220, liquid crystal point
Plate 310 and eyepiece 320 are drawn, Schmidt's roof prism 220 is arranged with half pentagonal prism 210 interval to form other Chinese rib
Mirror, so that the light that measured target 800 is reflected is successively through the telephotolens 100, half pentagonal prism 210, Schmidt's ridge rib
It is imaged on after mirror 220 on the liquid crystal graticle 310.
Rangefinder optical system further includes receiving object lens 710 and colour filter 720, and the reception object lens 710 will be for that will be tested
The light that target 800 reflects is emitted to after converging to colour filter 720 on light receiving element 730.
Telephotolens 100, benhain prism, liquid crystal graticle 310 and eyepiece 320 form observing system；The telephotolens
100, half pentagonal prism 210 in benhain prism, diversing lens 500 and photocell 600 form emission system.Wherein, it sees
It examines system and emission system shares a telephotolens 100.Object lens 710, colour filter 720 and light receiving element 730 is received to form
Reception system.
Above-mentioned emission system, the light beam sent out by photocell 600 enter half five glue ribs by diversing lens 500
Mirror turn 90 degrees through the reflection of more than half pentagonal prisms 210 and projects measured target 800 by telephotolens 100 and measure.Tested mesh
It marks 800 reflected measuring beams and enters reception object lens 710, through in optical filter party to light receiving element 730.And tested mesh
800 reflected visible light beams are marked, enters half pentagonal prism 210 further through telephotolens 100, passes through half pentagonal prism 210
Enter in Schmidt's roof prism 220 of benhain prism after a series of internal reflections, liquid crystal graduation is focused on through triple reflection
On plate 310, then is observed by eyepiece 320 and read measurement data.
Further, half pentagonal prism 210 is towards being coated in the one side of the diversing lens 500 and wavelength of transmitted light
Matched anti-reflection film, to which the light for making light emitting unit send out penetrates half pentagonal prism 210 to the greatest extent；Half five jiaos of ribs
Mirror 210 is towards being also coated in the one side of the diversing lens 500 and the height from 800 reflected visible wavelength of measured target
Anti- film, influence of the discharge visible light to photocell 600.Direction Schmidt's ridge rib of half pentagonal prism 210
The one side of mirror 220 will be coated with the anti-reflection film of visible wavelength；Direction Schmidt's roof prism of half pentagonal prism 210
220 one side will be also coated with wants depolarization with the matched high-reflecting film of wavelength of transmitted light, these membrane systems.
Further, the colour filter 720 is matched with the photocell 600, so that the colour filter 720 can only be saturating
The light for crossing the transmitting of the photocell 600 receives the filter of system specifically, it is infrared waves that photocell 600, which is sent out,
Color chips 720 can only penetrate the infrared light wavelength that photocell 600 emits, and reduce influence of the veiling glare to reception system.
Half pentagonal prism 210 in telephotolens 100 and benhain prism makees aberration balancing, ensures the quality of transmitting light beam.
The rear end face of cemented doublet is an inclined-plane, and there are one 22.5 degree of angles for its optical axis with cemented doublet, and angle value is answered
It is identical as 22.5 degree of half pentagonal prism, 210 small angle in benhain prism.
Half pentagonal prism 210 in diversing lens 500 and benhain prism is glued integral, what guarantee was sent out from radiated element
Light beam enters half pentaprism by the multilayer film surface of half pentagonal prism 210, and the face reflection through half pentagonal prism 210 turn 90 degrees injection
Telephotolens 100 reaches on measured target 800, measures.
Embodiment 2
As shown in fig. 6, according to the reversible reason of reverting of light path, the rangefinder optical system that the embodiment of the present invention 2 provides, the survey
Distance meter optical system includes：Half pentagonal prism 210, diversing lens 500, photocell 600 and light receiving element 730, light hair
It penetrates after the transmitting light that element 600 is sent out is radiated at measured target 800, reflected light is received by light receiving element 730, and half five jiaos of ribs
Mirror 210 and diversing lens 500 are located among light path, and 500 one end of the diversing lens and half pentagonal prism, 210 surface glue
It closes, becomes a component, the other end of the diversing lens 500 is towards the light receiving element 730, so that photocell
The 600 transmitting light sent out form reflected light after the reflection of measured target 800, and the reflected light passes through half pentagonal prism
210 turns go backward through the diversing lens 500 and are radiated on light receiving element 730.By diversing lens 500 and half pentagonal prism
210 is glued together, becomes a component, while cancelling compensating prism, and when adjustment can be easily adjusted observation optical axis and transmitting
Optical axis coincidence, it is ensured that measurement accuracy saves working hour, reduces cost, meanwhile, half will not be caused because of the variation of environment temperature
Dislocation on 500 recurring structure of pentagonal prism 210 and diversing lens.
The infrared beam emitted by photocell 600,710 directive measured target 800 of received object lens.From measured target
800 reflected infrared beams enter half pentagonal prism 210 of benhain prism by telephotolens 100, subsequently into transmitting
Lens 500, then received by light receiving element 730 by colour filter 720, carry out data processing.And it is reflected back from measured target 800
The visible light come enters half pentagonal prism 210 further through telephotolens 100, it is close to enter applying for benhain prism by multiple reflections
In special roof prism 220, triple reflection focuses on liquid crystal graticle 310 in roof prism warp, then is seen by eyepiece 320
It examines, and reads the data of measurement.
A kind of telescopic range finder provided in an embodiment of the present invention, including shell and above-mentioned rangefinder optical system.Shell
Corresponding mounting groove can be set in vivo, for installing rangefinder optical system.
Finally it should be noted that：Embodiment described above, only specific implementation mode of the invention, to illustrate the present invention
Technical solution, rather than its limitations, scope of protection of the present invention is not limited thereto, although with reference to the foregoing embodiments to this hair
It is bright to be described in detail, it will be understood by those of ordinary skill in the art that：Any one skilled in the art
In the technical scope disclosed by the present invention, it can still modify to the technical solution recorded in previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of technical solution of the embodiment of the present invention, should all cover the protection in the present invention
Within the scope of.Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. a kind of rangefinder optical system, which is characterized in that including：Half pentagonal prism, diversing lens, photocell and light connect
Receive element, and described diversing lens one end and the half pentagonal prism surface bonding, the other ends of the diversing lens is towards institute
State photocell so that the transmitting light that sends out of photocell after the diversing lens again by half pentagonal prism
It turns to directive measured target and forms reflected light, the reflected light is radiated on light receiving element；
Alternatively, the other end of the diversing lens is towards the light receiving element, so that the transmitting light warp that photocell is sent out
Reflected light is formed after crossing measured target reflection, the reflected light turns to go backward through the diversing lens by half pentagonal prism
It is radiated on light receiving element.
2. rangefinder optical system according to claim 1, which is characterized in that the diversing lens are cemented doublet,
And the diversing lens include the first spherical lens and the second spherical lens.
3. rangefinder optical system according to claim 1, which is characterized in that the rangefinder optical system further includes hoping
Remote object lens, Schmidt's roof prism, liquid crystal graticle and eyepiece, Schmidt's roof prism and half pentagonal prism interval
It is arranged to form benhain prism, so that the light that measured target is reflected is successively through the telephotolens, half pentagonal prism, Schmidt
It is imaged on after roof prism on the liquid crystal graticle.
4. rangefinder optical system according to claim 3, which is characterized in that the telephotolens, benhain prism, liquid crystal
Graticle and eyepiece form observing system；
Half pentagonal prism, diversing lens and photocell in the telephotolens, benhain prism form emission system.
5. rangefinder optical system according to claim 1, which is characterized in that the rangefinder optical system further includes connecing
Object lens and colour filter are received, the reception object lens are emitted to light-receiving member for converging to the light that measured target reflects after colour filter
On part.
6. rangefinder optical system according to claim 1, which is characterized in that half pentagonal prism is towards the transmitting
It is coated in the one side of lens and the matched anti-reflection film of wavelength of transmitted light；One side of half pentagonal prism towards the diversing lens
On be also coated with and high-reflecting film from the reflected visible wavelength of measured target.
7. rangefinder optical system according to claim 3, which is characterized in that applied described in the direction of half pentagonal prism
The one side of close spy's roof prism will be coated with the anti-reflection film of visible wavelength；Direction Schmidt's ridge of half pentagonal prism
The one side of prism will be also coated with and the matched high-reflecting film of wavelength of transmitted light.
8. rangefinder optical system according to claim 5, which is characterized in that the colour filter and the photocell
Matching, so that the colour filter can only penetrate the light of photocell transmitting.
9. rangefinder optical system according to claim 1, which is characterized in that the diversing lens are towards described partly five jiaos
The one side of prism is an inclined-plane, and the inclined degree on the inclined-plane and half pentagonal prism are towards the face of the diversing lens
Angle of inclination is identical, and the angle of inclination is 22.5 degree.
10. a kind of telescopic range finder, which is characterized in that including shell and rangefinder described in any one of claim 1-9
Optical system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675127.1A CN108549144A (en) | 2018-06-26 | 2018-06-26 | Rangefinder optical system and telescopic range finder |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810675127.1A CN108549144A (en) | 2018-06-26 | 2018-06-26 | Rangefinder optical system and telescopic range finder |
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| CN108549144A true CN108549144A (en) | 2018-09-18 |
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| CN201810675127.1A Pending CN108549144A (en) | 2018-06-26 | 2018-06-26 | Rangefinder optical system and telescopic range finder |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111736164A (en) * | 2020-07-30 | 2020-10-02 | 金华市蓝海光电技术有限公司 | Laser scanning range finder |
| WO2024168530A1 (en) * | 2023-02-14 | 2024-08-22 | 合肥英睿系统技术有限公司 | Multi-mode binocular handheld optical device |
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| WO2024168530A1 (en) * | 2023-02-14 | 2024-08-22 | 合肥英睿系统技术有限公司 | Multi-mode binocular handheld optical device |
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