CN206002760U - High-resolution minimizes telephotography camera lens - Google Patents
High-resolution minimizes telephotography camera lens Download PDFInfo
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- CN206002760U CN206002760U CN201620892932.6U CN201620892932U CN206002760U CN 206002760 U CN206002760 U CN 206002760U CN 201620892932 U CN201620892932 U CN 201620892932U CN 206002760 U CN206002760 U CN 206002760U
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Abstract
The utility model proposes high-resolution miniaturization telephotography camera lens, the pick-up lens is zoom lens, the light curb light incident direction of the pick-up lens be sequentially provided with focal power be positive front fixed lens group, focal power be negative Zoom lens group, focal power be negative offset lens group, iris diaphgram and focal power be positive rear fixed lens group；The utility model can realize big zoom ratio and high resolution on small-sized camera lens.
Description
Technical field
The utility model is related to photoelectric field, especially high-resolution miniaturization telephotography camera lens.
Background technology
The effect of visible ray Size Zoom TV optical system is to track and measure airbound target, to the remote of aerial sports
Target and the tracking of close-in target part, this require that television optical system accomplishes that high resolution, chromatic aberation be little, light as far as possible
Learn rear cut-off distance is short, zoom ratio is big etc.；But generally television optical system zoom ratio is big, and lens system structural volume also becomes big；How
Big zoom ratio and high resolution are realized on the small-sized camera lens of small size, be a research direction.
Content of the invention
The utility model proposes high-resolution miniaturization telephotography camera lens, can realize big zoom ratio on small-sized camera lens
And high resolution.
The utility model is employed the following technical solutions.
High-resolution minimizes telephotography camera lens, and the pick-up lens is zoom lens, the light of the pick-up lens
Curb light incident direction be sequentially provided with focal power be positive front fixed lens group, focal power be negative Zoom lens group, light burnt
It is positive rear fixed lens group to spend for negative offset lens group, iris diaphgram and focal power.
The front fixed lens group be sequentially provided with light incident direction before positive crescent moon lens of fixed lens group first, front
The positive crescent moon lens of fixed lens group second, front fixed lens group bear crescent moon lens and the positive crescent moon lens of front fixed lens group, wherein
The negative crescent moon lens of front fixed lens group touch into front fixed lens group balsaming lens with the positive crescent moon lens of front fixed lens group.
The Zoom lens group is sequentially provided with Zoom lens group biconcave lens, Zoom lens group in light incident direction and bears
Crescent moon lens and the positive crescent moon lens of Zoom lens group；The Zoom lens group bears crescent moon lens and the positive crescent moon lens of Zoom lens group
Touch into Zoom lens group balsaming lens.
The offset lens group is sequentially provided with offset lens group biconcave lens and offset lens group in light incident direction
It is glued thoroughly that positive crescent moon lens, the offset lens group biconcave lens and the positive crescent moon lens of offset lens group touch into offset lens group
Mirror.
The rear fixed lens group be sequentially provided with light incident direction after fixed lens group biconvex lens, rear fixing thoroughly
The positive crescent moon lens of microscope group first, the first biconvex lens of rear fixed lens group, rear fixed lens group biconcave lens, rear fixed lens group
Second positive crescent moon lens, the second biconvex lens of rear fixed lens group and rear fixed lens group bear crescent moon lens；Fixing saturating after described
The first biconvex lens of microscope group touches into the first balsaming lens of rear fixed lens group with rear fixed lens group biconcave lens；Solid after described
The second biconvex lens of fix-focus lens group and the negative crescent moon lens of rear fixed lens group touch into the second balsaming lens of rear fixed lens group.
In the range of lens zoom, the airspace scope between the front fixed lens group and Zoom lens group is 1.7-
53.4mm, the airspace scope between Zoom lens group and offset lens group are 11-45.4mm, offset lens group and rear fixation
Airspace scope between lens group is 3.5-20.8mm.
In the front fixed lens group, the positive crescent moon lens of front fixed lens group first and the positive crescent moon of front fixed lens group second
The airspace of lens is 0.1mm, the air of the positive crescent moon lens of front fixed lens group second and front fixed lens group balsaming lens
Interval is 0.2mm.
In the Zoom lens group, the airspace of Zoom lens group biconcave lens and Zoom lens group balsaming lens is
1mm.
In the rear fixed lens group, rear fixed lens group biconvex lens and the positive crescent moon lens of rear fixed lens group first
Airspace is 0.1mm, between the air of the positive crescent moon lens of rear fixed lens group first and the first balsaming lens of rear fixed lens group
Every being 0.1mm, the first balsaming lens of rear fixed lens group with the airspace of the positive crescent moon lens of rear fixed lens group second is
0.1mm, the positive crescent moon lens of rear fixed lens group second are 6.5mm with the airspace of the second balsaming lens of rear fixed lens group.
The positive crescent moon lens of the front fixed lens group second are molded with FK61 fluor crown ED material.
The pick-up lens is sequentially provided with Power focus mechanism, power zoom mechanism and electric adjustable in light incident direction
Light mechanism, the power zoom mechanism are located at the middle part of pick-up lens.
A precision potentiator is set in the power zoom mechanism, and the precision potentiator is used for realizing focal length preparatory function.
The iris diaphgram is electric variable diaphragm.
In the light path design of scheme described in the utility model, by fixed lens group, Zoom lens group, benefit before reasonable distribution
The focal power of lens group and rear fixed lens group is repaid, each constituent element lens thickness is reduced, shorten the structure length of camera lens.
In the utility model, the positive crescent moon lens of the front fixed lens group second are with FK61 fluor crown ED material
Shaping, after the first positive crescent moon lens at light path top are to incident ray convergence, the second positive crescent moon lens are i.e. to incident ray
Second order spectrum is corrected so that the follow-up eyeglass of light path can receive the light after spectrum correction, directly reduce chromatic aberation.
In the utility model, the power zoom mechanism is located at the middle part of pick-up lens, and camera lens is in rear fixed lens group
Using multi-disc eyeglass, and the structure that many pieces of eyeglasses are combined with many pieces of balsaming lens is employed, short focus resolution ratio is favorably improved,
High resolution camera lens is made so as to lift the overall resolution of camera lens.
Description of the drawings
With reference to the accompanying drawings and detailed description to the further details of explanation of the utility model：
Accompanying drawing 1 is the utility model light channel structure schematic diagram；
Accompanying drawing 2 is structural representation of the present utility model；
Accompanying drawing 21 is the structural representation in right apparent direction of the present utility model；
Accompanying drawing 22 is the structural representation on left view direction of the present utility model；
Accompanying drawing 23 is schematic perspective view of the present utility model；
Accompanying drawing 3 is the structural representation of Power focus mechanism of the present utility model；
Accompanying drawing 31 is the structure side line of vision schematic diagram of Power focus mechanism of the present utility model；
Accompanying drawing 32 is the schematic perspective view of Power focus mechanism of the present utility model；
Accompanying drawing 4 is the structural representation of power zoom mechanism of the present utility model；
Accompanying drawing 41 is the structure side line of vision schematic diagram of power zoom mechanism of the present utility model；
Accompanying drawing 42 is the schematic perspective view of power zoom mechanism of the present utility model；
Accompanying drawing 5 is electric adjustable light mechanism map of the present utility model；
Accompanying drawing 51 is the structure side line of vision schematic diagram of electronic dimming mechanism of the present utility model；
Accompanying drawing 52 is the schematic perspective view of electronic dimming mechanism of the present utility model；
In figure：Fixed lens group before 1-；2- Zoom lens group；3- offset lens group；4- iris diaphgram；Lens are fixed after 5-
Group；
The positive crescent moon lens of fixed lens group first before 11-；The positive crescent moon lens of fixed lens group second before 12-；Fixing before 13-
Lens group bears crescent moon lens；The positive crescent moon lens of fixed lens group before 14-；
21- Zoom lens group biconcave lens；22- Zoom lens group bears crescent moon lens；The positive crescent moon of 23- Zoom lens group is saturating
Mirror；
31- offset lens group biconcave lens；The positive crescent moon lens of 32- offset lens group；
Fixed lens group biconvex lens after 51-；The positive crescent moon lens of fixed lens group first after 52-；Fixed lens group after 53-
First biconvex lens；Fixed lens group biconcave lens after 54-；The positive crescent moon lens of fixed lens group second after 55-；Fixing after 56-
The second biconvex lens of lens group；After 57-, fixed lens group bears crescent moon lens；
201- focus pack；202- zoom cam pack；203- zoom component；204- compensates component；The electronic light of 205-
Billows mechanism；206-CCD component；207- power zoom mechanism；208- Power focus mechanism；The electronic dimming mechanism of 209-；
301- lens A-1；302- lens A-2；303- lens A-3；304- lens A-4；Spacer ring II is organized before 305-；Before 306-
Group spacer ring I；Trim ring is organized before 307-, and 308- assembles microscope base；309- focuses on cam；310- focuses on guide pin；311- primary mirror seat, 312- gather
Burnt motor；313- focus motor support；314- focuses on gear；315- focuses on limiting bracket；
401- zoom trim ring；402- lens B-1；403- lens B-2；404- lens B-3,405- zoom microscope base；406- becomes
Times Mobile base；407- zoom retainer；408- zoom guide rod；409- zoom guide pin bushing；410- guide rod pressing plate；411- primary mirror seat；412-
Steel ball；413- zoom motor gear；414- zoom potentiometer gear；415- zoom potentiometer support；416- zoom potentiometer；
417- zoom motor；418- cam；419- cam trim ring；420- diaphragm rotating ring trim ring；421- diaphragm rotating ring；Microscope base after 422-,
423- compensates trim ring；424- lens C2；425- compensates microscope base；426- compensates Mobile base；427- base plate；428- compensates guide pin group
Part；429- zoom guide pin component；
501- diaphragm spacer ring I；502- lens E-1；503- lens E-2；504- diaphragm seat；505- diaphragm rotating ring；506- light
Late rotating ring trim ring；507- aperture setting ring, 508- diaphragm guide pin；509- aperture setting ring trim ring；Lens microscope base is fixed after 510-
Lens microscope base II is fixed after I, 5-11-；Lens microscope base trim ring is fixed after 512-；513- lens E-7；514- lens E-6；515- is saturating
Mirror E-5；516- diaphragm spacer ring II；517- lens E-4；518- lens E-3；519- diaphragm limiting bracket；520- microswitch,
521- diaphragm potentiometer；522- Iris motor；523- Iris motor support.
Specific embodiment
As shown in figure 1, high-resolution miniaturization telephotography camera lens, the pick-up lens is zoom lens, described takes the photograph
As the light curb light incident direction of camera lens be sequentially provided with focal power be positive front fixed lens group 1, focal power be negative zoom
It is positive rear fixed lens group 5 that lens group 2, focal power is negative offset lens group 3, iris diaphgram 4 and focal power.
The front fixed lens group 1 be sequentially provided with light incident direction before the positive crescent moon lens of fixed lens group first
11st, the positive crescent moon lens 12 of front fixed lens group second, front fixed lens group bear crescent moon lens 13 and the positive crescent moon of front fixed lens group
Fixing lens before crescent moon lens 13 and the positive crescent moon lens 14 of front fixed lens group touch into born by lens 14, wherein front fixed lens group
Group balsaming lens.
The Zoom lens group 2 is sequentially provided with Zoom lens group biconcave lens 21, Zoom lens in light incident direction
Group bears crescent moon lens 22 and the positive crescent moon lens 23 of Zoom lens group；The Zoom lens group bears crescent moon lens 22 and Zoom lens group
Positive crescent moon lens 23 touch into Zoom lens group balsaming lens.
The offset lens group 3 is sequentially provided with offset lens group biconcave lens 31 and offset lens in light incident direction
Positive crescent moon lens 32 are organized, the offset lens group biconcave lens 31 and the positive crescent moon lens 32 of offset lens group touch into offset lens
Group balsaming lens.
The rear fixed lens group 5 be sequentially provided with light incident direction after fixed lens group biconvex lens 51, rear solid
The positive crescent moon lens 52 of fix-focus lens group first, the first biconvex lens of rear fixed lens group 53, rear fixed lens group biconcave lens 54, after
The positive crescent moon lens 55 of fixed lens group second, the second biconvex lens of rear fixed lens group 56 and rear fixed lens group bear crescent moon lens
57；First biconvex lens of rear fixed lens group 53 and rear fixed lens group biconcave lens 54 touch into rear fixed lens group
One balsaming lens；Second biconvex lens of rear fixed lens group 56 and rear fixed lens group are born solid after crescent moon lens 57 touch into
The second balsaming lens of fix-focus lens group.
In the range of lens zoom, the airspace scope between the front fixed lens group 1 and Zoom lens group 2 is
1.7-53.4mm, the airspace scope between Zoom lens group 2 and offset lens group 3 are 11-45.4mm, offset lens group 3
It is 3.5-20.8mm with the airspace scope between rear fixed lens group 5.
In the front fixed lens group 1, the positive crescent moon lens 11 of front fixed lens group first and front fixed lens group second are just
The airspace of crescent moon lens 12 is 0.1mm, and the positive crescent moon lens 12 of front fixed lens group second and front fixed lens group are glued thoroughly
The airspace of mirror is 0.2mm.
In the Zoom lens group, the airspace of Zoom lens group biconcave lens 21 and Zoom lens group balsaming lens is
1mm.
In the rear fixed lens group, rear fixed lens group biconvex lens 51 and the positive crescent moon lens of rear fixed lens group first
52 airspace is 0.1mm, the positive crescent moon lens 52 of rear fixed lens group first and the first balsaming lens of rear fixed lens group
Airspace is 0.1mm, the air of the first balsaming lens of rear fixed lens group and the positive crescent moon lens 55 of rear fixed lens group second
Interval is 0.1mm, the airspace of the positive crescent moon lens 55 of rear fixed lens group second and the second balsaming lens of rear fixed lens group
It is 6.5mm.
The positive crescent moon lens 12 of the front fixed lens group second are molded with FK61 fluor crown ED material.
The pick-up lens is sequentially provided with Power focus mechanism, power zoom mechanism and electric adjustable in light incident direction
Light mechanism, the power zoom mechanism are located at the middle part of pick-up lens.
A precision potentiator is set in the power zoom mechanism, and the precision potentiator is used for realizing focal length preparatory function.
The iris diaphgram is electric variable diaphragm.
Embodiment
Power focus mechanism, power zoom mechanism as shown in Fig. 2,21,22,23,3,31,32,4,41,42,5,51,52
With electronic dimming mechanism.
As illustrated, the assembling structure of the camera lens be followed successively by from left to right focus pack 201, zoom cam pack 202,
Zoom component 203, compensation component 204, electronic diaphragm mechanism 205, CCD component 206, the front portion of the camera lens is provided with Power focus
Mechanism 208, the middle part of the camera lens are provided with power zoom mechanism 207, and the rear portion of the camera lens is provided with electronic dimming mechanism 209,
The Power focus mechanism 208, power zoom mechanism 207 and electronic dimming mechanism 209 are respectively around the surrounding for being distributed in camera lens.
The power zoom mechanism 207 is provided with a zoom potentiometer 416 for realizing focal length preparatory function, the zoom potentiometer
416 is precision potentiator.
There is its assembled form of each lens of the in-house front fixed lens group 1 of Power focus in Fig. 3,31,32, this example is with saturating
Mirror A-1 is its assembled form of the positive crescent moon lens of front fixed lens group first, with lens A-2 as the positive crescent moon of front fixed lens group second
Its assembled form of lens, is its assembled form that front fixed lens group bears crescent moon lens with lens A-3；With lens A-4 as front fixation
Its assembled form of the positive crescent moon lens of lens group.
Zoom lens group 2, its assembled form of each lens of offset lens group 3 in the Nei You power zoom mechanism of Fig. 4,41,42；
Its assembled form of this example with lens B-1 as Zoom lens group biconcave lens, lens B-2 bear the dress of crescent moon lens for Zoom lens group
Join form, lens B-3 is its assembled form of the positive crescent moon lens of Zoom lens group；Lens C-2 is the positive crescent moon lens of offset lens group
Its assembled form.
There is its assembled form of each lens of fixed lens group 5 behind electronic dimming mechanism inside in Fig. 5,51,52, this example is with saturating
Mirror E-3 is its assembled form of the first biconvex lens of rear fixed lens group, and lens E-4 is the assembling of rear fixed lens group biconcave lens
Form, lens E-5 are its assembled form of the positive crescent moon lens of rear fixed lens group second, and lens E-6 is rear fixed lens group second
Its assembled form of biconvex lens, lens E-7 are its assembled form that rear fixed lens group bears crescent moon lens.
The focus pack 201 be with front group of trim ring 307 by positive crescent moon lens A-1（301）, positive crescent moon lens A-2
（302）, bear crescent moon lens A-3（303）, positive crescent moon lens A-4（304）It is placed in focusing microscope base 308 and by up and down respectively
Two 180 ° uniform focusing guide pin components 310 are placed in primary mirror seat 311, the negative crescent moon lens A-1（301）Be by front group
Trim ring 307 is pressed in focusing microscope base 308, the positive crescent moon lens A-1（301）With positive crescent moon lens A-2（302）Between arrange
There are front group of spacer ring II 306, the positive crescent moon lens A-2（302）With negative crescent moon lens A-3（303）Between be provided with front group of spacer ring I
305, the negative crescent moon lens A-3（303）With positive crescent moon lens A-4（304）For the first gluing unit that touches.The Power focus
Mechanism 208 includes focus motor 312, focuses on microscope base 308, primary mirror seat 311, focus motor support 313, focus on gear 314, focus on
Limiting bracket 315, the focus motor 312 are placed on primary mirror seat 311 by focus motor support 313, the focus motor
Focusing gear 314 is mounted with 312 motor shaft, the primary mirror seat 311 is mounted with focusing cam 309, with focusing guide pin component
310 will focus on microscope base 311 and primary mirror seat 308 is linked together, and focuses on gear 314 and engages with the gear on focusing cam 309.Institute
Focusing gear 314 is stated by driving focusing cam 309 to rotate after 309 gear of cam is engaged with focusing on, 309 points of the cam of focusing
Not with focus on microscope base 308, primary mirror seat 311 and be together by a threaded connection, by focusing on guide pin 310, using focus on cam 309 with
The inconsistent of microscope base 308, the thread rotary orientation between primary mirror seat 311 and helical pitch is focused on, is led so as to guided focused microscope base 308 relatively
Microscope base 311 is converted to axially-movable by screw, so as to drive the movable of focus pack 201, realizes focusing function.
The zoom microscope base 405 is threaded connection and is placed in composition zoom component 203 on zoom Mobile base 406；Compensation
Microscope base 425 is threaded connection and is placed in composition compensation component 204 on compensation Mobile base 426.The zoom component 203 and compensation
Component 204 is installed on three guide rods 408 and smoothly can enter line slip, and three guide rods 408 pass through guide rod pressing plate 410
Be separately fixed on primary mirror seat 411, by research ensure cam 418 in the primary mirror seat 411 flexible rotating must not play, described convex
Wheel 418 offers precision machined two curved grooves, and the primary mirror seat 411 is connected with base plate 427.The power zoom mechanism
207 include zoom motor 417, cam 418, zoom potentiometer 416.The zoom motor 417 is disposed by zoom motor frame 415
On primary mirror seat 411, zoom potentiometer gear 414 is meshed together with zoom motor gear 413, zoom motor gear 413 with
Cam 418 meshes together.When positive and negative rotary motion made by 417 rotor of zoom motor, zoom potentiometer rotor 416 and cam is made
418 synchronous axial system.Zoom movement is driven by zoom, compensated curve groove and zoom guide pin component 429, compensation guide pin component 428
Seat 406 and compensation Mobile base 426 are moved in the way of zoom, compensated curve groove.On primary mirror seat 411, two straight troughs play support and become
Times guide pin component 429 and the effect of compensation guide pin component 428, and make zoom Mobile base 406, the rotation of compensation Mobile base 426
Motion displacement linear motion.The curved groove of strict control zoom guide pin component 429 and compensation guide pin component 428 and cam 418 and
Fit clearance between the straight-line groove of primary mirror seat 411, it is ensured that zoom component 203 and compensation component 204 slide steadily comfortable, nothing card
Stagnant.So zoom component 203 is realized by electronic rotation and compensation component 204 makees tandem fortune by zoom motion equation requirement
Dynamic, so as to realize the consecutive variations function of system focal.When the focal length of system changes, zoom potentiometer gear 416 leads to
Cross and engage with zoom motor gear 413, rotate potentiometer, then the resistance of potentiometer changes, by appropriate sampling electricity
Road can remove the changing value of potentiometer, and pass to control centre, must show so as to realize zoom level；Conversely, by control
The heart provides order, can achieve the real-time control of focal length.
The electronic diaphragm mechanism be by biconvex lens E-1（502）, positive crescent moon lens E-2（503）, by solid after being placed in
Biconvex lens E-3 in fix-focus lens microscope base I 510（518）With biconcave lens E-4（517）The gluing unit of contiguity and positive crescent moon saturating
Mirror E-5（516）, by the biconvex lens E-6 (514) fixed after being placed in lens microscope base II 511 and negative crescent moon lens E-7
(513) gluing unit that touches constitutes and is placed in diaphragm seat 5-4, biconvex lens E-1 (502) and positive crescent moon lens E-2
(503) separated with diaphragm spacer ring I 501, and be pressed in diaphragm seat 504 with rear fixing lens microscope base I 510；The biconvex lens
E-3（518）The gluing unit that touches with biconcave lens E-4 (517) and positive crescent moon lens E-5 (515) with diaphragm spacer ring II 516 every
Open, and fix in lens microscope base I 510 after being pressed in rear fixing lens microscope base II 511；Biconvex lens E-6 (514) and negative
The gluing unit that meniscus lens E-7 (513) touches is fixed in lens microscope base II 511 after being placed in, and with rear fixing lens microscope base pressure
Circle 512 is compressed.The electronic dimming mechanism 2-9 includes that Iris motor 522 and diaphragm potentiometer 521 constitute；The diaphragm current potential
Device 521 is placed on diaphragm seat 504 by diaphragm limiting bracket 519, and the Iris motor 522 passes through Iris motor support 523
Be placed on diaphragm seat 504, on the motor shaft of the Iris motor 522, be mounted with diaphragm gear, the diaphragm gear by with
The engagement of 507 gear of aperture setting ring drives aperture setting ring 507 to rotate, and the aperture setting ring 507 is by aperture setting ring trim ring
509 are pressed on diaphragm seat 504, and the aperture setting ring 507 is carried by the diaphragm guide pin 508 being placed on diaphragm rotating ring 505
Dynamic diaphragm rotating ring 505 is rotated, and the diaphragm rotating ring 505 is pressed in diaphragm seat 504 by diaphragm rotating ring trim ring 506, the diaphragm
Rotating ring 505 drives diaphragm piece to rotate, and so as to control the change of diaphragm openings of sizes, realizes the process of Electronic control aperture size.
The optical index of this example camera lens is：
1. focal length：；.（Zoom ratio：About 22 times）
2. relative aperture：D/f '=1/4.5～1/5.3
3. visual field：27 ° X20.3 °～1.25 ° X0.93 °
4. optics rear cut-off distance：l′≥22mm
5. optical texture length：ΣD≤120mm
6. zoom stroke：≤72mm
7. resolution of lens：It is adapted to super mega pixel ccd video camera；
8. spectral line scope is suitable for：400nm～700nm.
Claims (7)
1. high-resolution minimizes telephotography camera lens, it is characterised in that：The pick-up lens is zoom lens, the shooting
The light curb light incident direction of camera lens be sequentially provided with focal power be positive front fixed lens group, focal power be negative Zoom lens
It is positive rear fixed lens group that group, focal power are negative offset lens group, iris diaphgram and focal power；
The front fixed lens group be sequentially provided with light incident direction before the positive crescent moon lens of fixed lens group first, front fixation
The positive crescent moon lens of lens group second, front fixed lens group bear crescent moon lens and the positive crescent moon lens of front fixed lens group, wherein front solid
The negative crescent moon lens of fix-focus lens group touch into front fixed lens group balsaming lens with the positive crescent moon lens of front fixed lens group；
The Zoom lens group is sequentially provided with Zoom lens group biconcave lens, Zoom lens group in light incident direction and bears crescent moon
Lens and the positive crescent moon lens of Zoom lens group；The Zoom lens group bears crescent moon lens and the positive crescent moon lens contiguity of Zoom lens group
Become Zoom lens group balsaming lens；
The offset lens group is sequentially provided with offset lens group biconcave lens and the offset lens group first month of the lunar year in light incident direction
Tooth lens, the offset lens group biconcave lens and the positive crescent moon lens of offset lens group touch into offset lens group balsaming lens；
The rear fixed lens group be sequentially provided with light incident direction after fixed lens group biconvex lens, rear fixed lens group
First positive crescent moon lens, the first biconvex lens of rear fixed lens group, rear fixed lens group biconcave lens, rear fixed lens group second
Positive crescent moon lens, the second biconvex lens of rear fixed lens group and rear fixed lens group bear crescent moon lens；The rear fixed lens group
First biconvex lens touches into the first balsaming lens of rear fixed lens group with rear fixed lens group biconcave lens；Fixing saturating after described
The second biconvex lens of microscope group and the negative crescent moon lens of rear fixed lens group touch into the second balsaming lens of rear fixed lens group.
2. high-resolution according to claim 1 minimizes telephotography camera lens, it is characterised in that：In lens zoom scope
Interior, the airspace scope between the front fixed lens group and Zoom lens group is 1.7-53.4mm, Zoom lens group and benefit
It is 11-45.4mm to repay the airspace scope between lens group, the airspace between offset lens group and rear fixed lens group
Scope is 3.5-20.8mm.
3. high-resolution according to claim 1 and 2 minimizes telephotography camera lens, it is characterised in that：The front fixation
In lens group, the airspace of the positive crescent moon lens of front fixed lens group first and the positive crescent moon lens of front fixed lens group second is
0.1mm, the airspace of the positive crescent moon lens of front fixed lens group second and front fixed lens group balsaming lens is 0.2mm；
In the Zoom lens group, the airspace of Zoom lens group biconcave lens and Zoom lens group balsaming lens is 1mm；
In the rear fixed lens group, the air of rear fixed lens group biconvex lens and the positive crescent moon lens of rear fixed lens group first
Interval is 0.1mm, and the airspace of the positive crescent moon lens of rear fixed lens group first and the first balsaming lens of rear fixed lens group is
0.1mm, the first balsaming lens of rear fixed lens group are 0.1mm with the airspace of the positive crescent moon lens of rear fixed lens group second,
The positive crescent moon lens of fixed lens group second are 6.5mm with the airspace of the second balsaming lens of rear fixed lens group afterwards.
4. high-resolution according to claim 3 minimizes telephotography camera lens, it is characterised in that：The front fixing lens
Organize the second positive crescent moon lens to be molded with FK61 fluor crown ED material.
5. high-resolution according to claim 1 minimizes telephotography camera lens, it is characterised in that：The pick-up lens exists
Power focus mechanism, power zoom mechanism and electronic dimming mechanism, the power zoom machine is sequentially provided with light incident direction
Structure is located at the middle part of pick-up lens.
6. high-resolution according to claim 5 minimizes telephotography camera lens, it is characterised in that：The power zoom machine
A precision potentiator is set in structure, and the precision potentiator is used for realizing focal length preparatory function.
7. high-resolution according to claim 1 minimizes telephotography camera lens, it is characterised in that：The iris diaphgram is
Electric variable diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620892932.6U CN206002760U (en) | 2016-08-17 | 2016-08-17 | High-resolution minimizes telephotography camera lens |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620892932.6U CN206002760U (en) | 2016-08-17 | 2016-08-17 | High-resolution minimizes telephotography camera lens |
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| CN206002760U true CN206002760U (en) | 2017-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125270A (en) * | 2016-08-17 | 2016-11-16 | 福建福光股份有限公司 | High-resolution miniaturization telephotography camera lens |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125270A (en) * | 2016-08-17 | 2016-11-16 | 福建福光股份有限公司 | High-resolution miniaturization telephotography camera lens |
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