CN206002763U - The big target surface high definition zoom lens of wide spectrum with overlength focal length - Google Patents
The big target surface high definition zoom lens of wide spectrum with overlength focal length Download PDFInfo
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- CN206002763U CN206002763U CN201620892829.1U CN201620892829U CN206002763U CN 206002763 U CN206002763 U CN 206002763U CN 201620892829 U CN201620892829 U CN 201620892829U CN 206002763 U CN206002763 U CN 206002763U
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Abstract
The utility model discloses the big target surface high definition zoom lens of wide spectrum with overlength focal length, the first fixed lens group of positive light coke, the Zoom lens group of negative power, the offset lens group of positive light coke, iris diaphgram, the second fixed lens group of positive light coke and color filter film are provided with along radiation direction；First fixed lens group is sequentially provided with first group of first positive crescent moon lens, first group of negative crescent moon lens, first group of planoconvex spotlight, first group of biconcave lens, first group of second positive crescent moon lens；First group of first positive crescent moon lens, first group of second positive crescent moon lens are all made with ED material；Zoom lens group is sequentially provided with zoom group and bears crescent moon lens, the gluing unit that is touched by zoom group biconcave lens and zoom group biconvex lens；Offset lens group sets compensation group biconvex lens successively, is born the gluing unit of crescent moon lens and compensation group biconvex lens contiguity by compensation group；The utility model can realize overlength focal length and big target surface high-resolution imaging with small size, and aberration correcting capability is strong.
Description
Technical field
The utility model is related to field of photoelectric technology, especially the big target surface high definition varifocal mirror of the wide spectrum with overlength focal length
Head.
Background technology
With the development of science and technology, imageing sensor pixel dimension constantly reduces, and its characteristic frequency is improved constantly, user
Image quality to optical system also develops into the identification to target detail and cognition by the original simple viewing to target；Simultaneously
The complication of observing environment, increasing etc. for user's observation requirementses all promote optical imaging system constantly to wide spectrum, big target surface, height
The directions such as resolution ratio, miniaturization, focus adjustable are developed.
When zoom lens is applied to wide spectrum region at present, on axle, especially second order spectrum correction is difficult for aberration；While hanging down
Axial aberration is big, and especially chromatic longitudiinal aberration, distortion etc. limit application of the camera lens in big target surface system so that zoom lens is differentiated
Rate is low, and hardly possible is adapted to high-definition camera；And zoom lens long-focus and system length, the contradiction of volumetric constraint so that
The design of long-focus wide spectrum high definition zoom lens has difficulties.
It is the purpose of this utility model to solve the above problems.
Content of the invention
The utility model proposes the big target surface high definition zoom lens of wide spectrum with overlength focal length, can be realized with small size super
Long-focus and big target surface high-resolution imaging, and aberration correcting capability is strong.
The utility model is employed the following technical solutions.
The big target surface high definition zoom lens of wide spectrum with overlength focal length, the camera lens light curb light incident direction are provided with
Focal power is the first positive fixed lens group, focal power is negative Zoom lens group, focal power is positive offset lens group, variable
Diaphragm, focal power are the second positive fixed lens group and color filter film.
First fixed lens group be sequentially provided with light incident direction first group of first positive crescent moon lens, first group
Negative crescent moon lens, first group of planoconvex spotlight, first group of biconcave lens, first group of second positive crescent moon lens；Described first group first
Positive crescent moon lens, first group of second positive crescent moon lens are all made with ED material.
The Zoom lens group is sequentially provided with zoom group in light incident direction and bears crescent moon lens, saturating by zoom group concave-concave
Mirror and the gluing unit of zoom group biconvex lens contiguity.
The offset lens group be sequentially provided with light incident direction compensation group biconvex lens, by compensation group bear crescent moon saturating
Mirror and the gluing unit of compensation group biconvex lens contiguity.
Second fixed lens group is sequentially provided with by second group of positive crescent moon lens and second group in light incident direction
The gluing unit of the first negative crescent moon lens contiguity, second group of second negative crescent moon lens, by second group of biconvex lens and second group the 3rd
The gluing unit of negative crescent moon lens contiguity.
Airspace between light incident direction, first fixed lens group and Zoom lens group is 182.16～
209.63mm, the airspace between Zoom lens group and offset lens group are 3.85～64.78mm, offset lens group and second
Airspace between fixed lens group is 2.80～36.27mm.
Air in first fixed lens group, between first group of first positive crescent moon lens and first group of negative crescent moon lens
Interval is 116.17mm, and first group of negative airspace between crescent moon lens and first group of planoconvex spotlight is 1.77mm, first group
Airspace between planoconvex spotlight and first group of biconcave lens is 1.02mm, first group of biconcave lens and first group of second first month of the lunar year
Airspace between tooth lens is 0.65mm.
In the Zoom lens group, it is close with by zoom group biconcave lens and zoom group biconvex lens that zoom group bears crescent moon lens
Airspace between the gluing unit being connected into is 3.39mm.
In the offset lens group, compensation group biconvex lens is close with by the negative crescent moon lens of compensation group and compensation group biconvex lens
Airspace between the gluing unit being connected into is 0.21mm.
In second fixed lens group, by second group of positive crescent moon lens and the glue of second group of first negative crescent moon lens contiguity
Charge-coupled and between second group of second negative crescent moon lens airspaces are 78.49mm, second group of second negative crescent moon lens with by the
Airspace between the gluing unit that two groups of biconvex lens and second group of the 3rd negative crescent moon lens touch is 27.74mm.
The ultralow color of first group of first positive crescent moon lens, first group of second positive crescent moon lens all with the trade mark as H-FK61
Dispersion optical glass is molded.
The transparent wavelength range of the color filter film is 500～750nm.
When Zoom lens group is moved forward and backward on optical path direction, offset lens group is simultaneously to the motion side of Zoom lens group
To movement, constant to realize image planes while lens zoom.
Along light incident direction, the assembling structure of the camera lens includes focus pack, connecting cylinder, zoom component, convex successively
Wheel assembly, compensation component, iris diaphgram component, rear fixation kit, camera assembly；First fixed lens group is located at focusing
In component, the Zoom lens are mounted in zoom component, and the offset lens is mounted in compensation component, and described second fixes
, in rear fixation kit, the built-in iris diaphgram of the iris diaphgram component, camera lens outer wall include gas for lens group and color filter film
Close structure.
The focal power of the utility model reasonable distribution each constituent element of camera lens, realizing camera lens has relatively under less length dimension
Long focal length；Camera lens overcomes the big shortcoming of the intrinsic vertical axial aberration of big target surface imaging system, while passing through in light path initiating terminal
ED material H-FK61 is adopted in first fixed lens group at place, effectively corrects two grades when camera lens wide spectrum is imaged
The aberrations such as spectrum, make camera lens resolution ratio while with big target surface have significant raising.
In the utility model, when Zoom lens group is moved forward and backward on optical path direction, offset lens group is while to zoom
The direction of motion movement of lens group, constant to realize image planes while lens zoom；The design can simplify four lens group
Interior focal power distribution design, it is easy to realize larger zoom ratio in small size camera lens.
In the utility model, the transparent wavelength range of the color filter film is 500～750nm；The design is to specific wavelength
Light transmission rate be optimized, can reduce aberration while ensure illuminance of image plane.
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 embodiment light channel structure schematic diagram；
MTF figure when accompanying drawing 2 is short focus；
MTF figure when accompanying drawing 3 is focal length；
Accompanying drawing 4 is the total schematic diagram of structure；
Accompanying drawing 5 is the schematic diagram of focusing component；
Accompanying drawing 51 is the schematic perspective view of focusing component；
Accompanying drawing 6 is zoom component and the schematic diagram at compensation component；
Accompanying drawing 61 is the schematic diagram on zoom component and the other direction at compensation component；
Accompanying drawing 7 is the schematic diagram at iris diaphgram component；
Accompanying drawing 71 is the schematic diagram on the other direction at iris diaphgram component；
Accompanying drawing 8 is airtight construction figure；
In figure：The first fixed lens group of 1-；2- Zoom lens group；3- offset lens group；4- iris diaphgram；5- second is fixed
Lens group；6- color filter film；
The positive crescent moon lens of first group first of 101-；First group of 102- bears crescent moon lens；First group of planoconvex spotlight of 103-；104-
First group of biconcave lens；The positive crescent moon lens of first group second of 105-；201- zoom group bears crescent moon lens；202- zoom group concave-concave is saturating
Mirror；203- zoom group biconvex lens；301- compensation group biconvex lens；302- compensation group bears crescent moon lens；303- compensation group biconvex
Lens；The positive crescent moon lens of second group of 401-；The negative crescent moon lens of second group first of 402-；The negative crescent moon lens of second group second of 403-；
Second group of biconvex lens of 404-；Second group of the 3rd negative crescent moon lens of 405-；
The airtight component of 41-；42- focusing component；43- connecting cylinder；44- zoom component；45- cam pack；46- compensation group
Part；47- iris diaphgram component；48-rear fixation kit；49- camera assembly；
51- A piece trim ring；52- A piece lens barrel；53- eyeglass A1；Lens barrel is organized before 54-；55- eyeglass A2；56- focusing cam pressure
Circle；57- focusing cam guide pin；58- focusing roller 1；59- focusing lead ring；510- focusing roller 2；511-B piece trim ring；
512- eyeglass A3；513-CD spacer ring；51- focusing cam；515- Jiao's motor gear；516- focusing electric machine support；
517- focusing body tube；518- focusing motor；519-BE lens barrel；520-DE spacer ring, 521- eyeglass A4；522- eyeglass A5；523-
E piece trim ring；524- focusing limiting bracket；525- microswitch；526- focusing retaining screw；527- steel ball；
61- zoom motor rack；62- body tube；63- zoom cam；64- zoom motor gear；65- zoom roller 1；66-
Zoom lead ring；67- zoom guide pin；68- zoom motor；69- zoom roller 2；610- zoom balladeur train；611- eyeglass C1；612- is mended
Repay balladeur train；613- compensates pad；614- compensates lens barrel；615- bearing pressure ring；616- zoom cam trim ring；617- compensates trim ring；
618- eyeglass C2；619- eyeglass C3；620- IJ spacer ring；621- zoom guide pin；622- zoom roller 1；623- zoom lead ring；
624- zoom roller 2；625- zoom retaining screw；626- steel ball；627- zoom trim ring；628- eyeglass B1；629- eyeglass B2；630- mirror
Piece B3；631- zoom lens barrel；632- zoom pad；633- microswitch；634- zoom limiting bracket；635- zoom potentiometer is propped up
Frame；636- zoom potentiometer；637- zoom potentiometer gear；
71- diaphragm seat；72- hexagon socket cap head screw；73- diaphragm rotating ring trim ring；74- aperture setting ring；75- diaphragm is dialled
Nail；76- aperture setting ring trim ring；77- diaphragm trim ring；78- eyeglass E2；79- eyeglass E1；710- diaphragm rotating ring；711- diaphragm piece；
712- auxiliary support plate；713- diaphragm potentiometer；714- diaphragm potentiometer gear；715- Iris motor；716- Iris motor tooth
Wheel；717- Iris motor frame；718- diaphragm limiting bracket；719- microswitch；720- diaphragm retaining screw；
81- light shield；Screening glass trim ring before 82-；Screening glass before 83-；84- sealing ring；85- front shroud cylinder；Hexagonal circle in 86-
Chapiter screw；87- sealing ring；Cover cylinder in 88-；89- sealing ring；810- hexagon socket cap head screw；811- back cover cylinder；812- connects
Plug-in unit；813- colour filter trim ring；814- colour filter；815- sealing ring；816- valve.
Specific embodiment
As shown in Fig. 1,2,3,4,5,51,6,61,7,71,8, the big target surface high definition varifocal mirror of wide spectrum with overlength focal length
Head, the camera lens light curb light incident direction be provided with focal power be the first positive fixed lens group 1, focal power be negative zoom
Lens group 2, focal power is positive offset lens group 3, iris diaphgram 4, and focal power is the second positive fixed lens group 5 and filter
Piece 6.
First fixed lens group 1 be sequentially provided with light incident direction first group of first positive crescent moon lens 101,
One group is born crescent moon 102, first group of lens, 103, first group of planoconvex spotlight, 104, first group of second positive crescent moon lens of biconcave lens
105；Described first group of first positive crescent moon lens, 101, first group of second positive crescent moon lens 105 are all made with ED material.
The Zoom lens group 2 is sequentially provided with zoom group in light incident direction and bears crescent moon lens 201, double by zoom group
The gluing unit that concavees lens 202 and zoom group biconvex lens 203 touch.
The offset lens group 3 is sequentially provided with compensation group biconvex lens 301 in light incident direction, bears the moon by compensation group
The gluing unit that tooth lens 302 and compensation group biconvex lens 303 touch.
Second fixed lens group 5 is sequentially provided with by second group of positive crescent moon lens 401 and in light incident direction
Gluing unit that two group of first negative crescent moon lens 402 touch, second group of second negative crescent moon lens 403, by second group of biconvex lens 404
The gluing unit that touches with second group of the 3rd negative crescent moon lens 405.
Airspace between light incident direction, first fixed lens group 1 and Zoom lens group 2 is 182.16
～209.63mm, the airspace between Zoom lens group 2 and offset lens group 3 are 3.85～64.78mm, offset lens group 3
It is 2.80～36.27mm with the airspace between the second fixed lens group 5.
In first fixed lens group 1, first group of first positive crescent moon lens 101 and first group bear crescent moon lens 102 it
Between airspace be 116.17mm, first group of airspace that bears between crescent moon lens 102 and first group of planoconvex spotlight 103 is
1.77mm, the airspace between first group of planoconvex spotlight 103 and first group of biconcave lens 104 is 1.02mm, first group of concave-concave
Airspace between lens 104 and first group of second positive crescent moon lens 105 is 0.65mm.
In the Zoom lens group 2, it is double with by zoom group biconcave lens 202 and zoom group that zoom group bears crescent moon lens 201
Airspace between the gluing unit that convex lens 203 touch is 3.39mm.
In the offset lens group 3, compensation group biconvex lens 301 bears crescent moon lens 302 and compensation group pair with by compensation group
Airspace between the gluing unit that convex lens 303 touch is 0.21mm.
In second fixed lens group 5, by second group of positive crescent moon lens 401 and second group of first negative crescent moon lens 402
Airspace between the gluing unit of contiguity and second group of second negative crescent moon lens 403 is 78.49mm, second group of second negative crescent moon
Air between lens 403 and the gluing unit touched by second group of biconvex lens 404 and second group of the 3rd negative crescent moon lens 405
Interval is 27.74mm.
Described first group of first positive crescent moon lens, 101, first group of second positive crescent moon lens 105 are all with the trade mark as H-FK61
ED optical glass forming.
The transparent wavelength range of the color filter film 6 is 500～750nm.
When Zoom lens group 2 is moved forward and backward on optical path direction, offset lens group 3 is simultaneously to the motion of Zoom lens group
Direction is moved, constant to realize image planes while lens zoom.
Along light incident direction, the assembling structure of the camera lens includes focus pack 42, connecting cylinder 43, zoom component successively
44th, cam pack 45, compensation component 46, iris diaphgram component 47, rear fixation kit 48, camera assembly 49；Described first is solid
Fix-focus lens is mounted in focus pack 42, and the Zoom lens are mounted in zoom component 44, and the offset lens is mounted on benefit
Repay in component 46, second fixed lens group and color filter film are located in rear fixation kit 48, the iris diaphgram component 47
Built-in iris diaphgram 4, camera lens outer wall include airtight construction 41.
As shown in Fig. 5,51, the focus pack 42 is disposed first group of first positive crescent moon lens 101 with A piece trim ring 51
In A piece microscope base 52, first group is born crescent moon lens 102 with B piece trim ring 511 and be placed in BE lens barrel 519, with E piece trim ring 523
103, first group of first group of planoconvex spotlight positive crescent moon lens 105 of 104, first group second of biconcave lens are placed in BE lens barrel respectively
In 519, CD spacer ring 513, first group of biconcave lens 104 between first group of planoconvex spotlight 103 and first group of biconcave lens 104, is provided with
DE spacer ring 520, A piece microscope base 52 is provided between first group of second positive crescent moon lens 105 is threaded connection peace with BE lens barrel 519
It is placed in front group of lens barrel 54 and by three 120 uniform linear skewed slots, with focusing guide pin 57 and focusing roller 1 58, focusing
The focusing guide pin component placement that lead ring 59, focusing roller 2 510 constitute is on focusing body tube 517.In figure focusing motor 518,
Focusing body tube 517, microswitch 525 constitute Power focus mechanism, and the focusing motor 518 is pacified by motor rack 516 of focusing
Put on focusing body tube 517, the microswitch 525 is placed on focusing body tube 517 by limiting bracket 524 of focusing,
Precision machined three 120 uniform linear skewed slots are offered on the focusing cam 514, with focusing guide pin component and focusing
Body tube 517 links together, and focusing gear 515 is engaged with the gear on focusing cam 514, when the focusing energising of motor 518 turns
Dynamic, drive focusing cam 514 to rotate by gear 515 of focusing, limited by the straight trough that focuses on body tube 517, front group of lens barrel
54 rotation is limited so as to only do the linear motion in straight trough, so as to realize the focusing function to far and near target.Focusing is led
Nail 526 is placed on focusing cam 514, follows the rotation of focusing cam 514, by microswitch 525 and focusing guide pin 526
Collective effect plays the spacing and protective effect of corner to focusing cam 514.
As shown in Fig. 6,61, the zoom lens barrel 631 is placed in composition zoom group on zoom balladeur train 610 by attachment screw
Part 44；Compensation lens barrel 614 is placed on compensation balladeur train 612 zoom balladeur train 610 described in composition compensation component 46. by attachment screw
It is placed on body tube 62 by grinding cooperation with body tube 62 with compensation balladeur train 614, zoom cam 63 is placed in by steel ball 626
Body tube 62 constitutes rolling bearing, is locked by bearing pressure ring 615 and zoom cam trim ring 616.The zoom cam 63 presses optics
The requirement processing zoom of zoom motion equation, compensated curve groove, respectively with zoom guide pin component and compensation guide pin component zoom
Cam 63 is linked together with zoom balladeur train 610, compensation balladeur train 614.The zoom guide pin component and compensation guide pin component are by becoming
Times roller 1 65 and 622, zoom lead ring 66 and 623, zoom guide pin 67 and 621, zoom roller 2 68 and 624 constitute.The change
Times motor 68, zoom potentiometer 636, microswitch 633 constitute power zoom mechanism, and the zoom motor 68 passes through zoom motor
Support 61 is placed on body tube 62, and the zoom potentiometer 636 is placed in body tube 62 by zoom potentiometer support 635
On, the microswitch 633 is placed on body tube 62 by zoom limit switch frame 634.Zoom motor gear 64 and zoom
Cam 63 is engaged, and when 68 rotor of zoom motor does positive and negative rotary motion is, drives zoom cam 63 to do corresponding rotation, by becoming
Again, compensated curve groove and zoom guide pin component, compensation guide pin component drive zoom balladeur train 610, compensation balladeur train 614 to press zoom, benefit
The mode for repaying curved groove is moved, and two on body tube 62 straight trough is played and limits zoom guide pin component, the work of compensation guide pin component
With, and make zoom balladeur train 610, the rotary motion of compensation balladeur train 614 be changed into linear motion.Strict control zoom guide pin component and benefit
Repay the fit clearance between the straight-line groove on the curved groove and body tube 62 of guide pin component and zoom cam 63, it is ensured that zoom component
44 slide steadily, nothing cassette tape with compensation component 46.So zoom component 44 and compensation component 46 are realized by change by motor rotation
The burnt equation of motion requires to do linear motion back and forth, so as to realize the consecutive variations function of system focal.When the focal length of system is sent out
During changing, zoom potentiometer gear 637 is engaged with zoom cam 63, and synchronous occurs relative rotation with zoom cam 63,
The resistance of potentiometer changes, and can obtain the changing value of potentiometer by appropriate sample circuit, and pass to control centre,
So as to realize the display of zoom level；Conversely, respective resistance values order is provided by control centre, can achieve the real-time control of focal length.
Microswitch 633 passes through 625 cooperating of zoom retaining screw, plays the spacing and protective effect to system in zooming procedure.
As shown in Fig. 7,71, shown iris diaphgram mechanism 47 includes Iris motor 715, diaphragm potentiometer 713 and for controlling
The microswitch 719 of diaphragm openings of sizes position processed constitutes, and shown microswitch 719 is placed in by diaphragm limiting bracket 718
On diaphragm seat, the diaphragm piece 711 is placed on diaphragm rotating ring 710 and diaphragm seat 71 by rivet interlacement, the Iris motor
715 are placed on diaphragm seat 71 by Iris motor frame 717, Iris motor gear 716 are housed on the Iris motor 515, are led to
Cross after engaging with 74 gear of aperture setting ring and drive aperture setting ring 74 to rotate, the aperture setting ring 74 is by aperture setting ring pressure
Circle 75 is locked on diaphragm seat 71, and the aperture setting ring 74 is dialled nail 75 by the diaphragm being placed on diaphragm rotating ring 710 and driven
Diaphragm rotating ring 710 is rotated, and the diaphragm rotating ring 710 is locked in diaphragm seat 71 by diaphragm rotating ring trim ring 73, the diaphragm rotating ring
710 drive diaphragm pieces 711 rotate the change so as to control aperture openings size, realize the change of Electronic control aperture size.Institute
Show that diaphragm potentiometer gear 714 is engaged with Iris motor gear 716, when aperture changes, diaphragm potentiometer 713 is made with diaphragm electricity
The rotation of machine 715 produces corresponding rotation, and potentiometer resistance occurs to change accordingly, can be taken out by appropriate sample circuit
The changing value of corresponding potentiometer, and control centre is passed to, so as to realize the display of stop opening size；Conversely, by control
The heart provides corresponding resistance order, can achieve the real-time control of the aperture of the diaphragm.
As shown in figure 8, the airtight component 41 is made up of front shroud cylinder 85, middle cover cylinder 88, back cover cylinder 811, camera lens is installed
Nitrogen is internally poured by valve 816 after becoming, air channel is provided with cooperation of the Large Aperture Lenses with lens barrel and allows gas to more
Comprehensively enter inside camera lens.Front shroud cylinder 85 is locked on middle cover cylinder 88 by hexagon socket cap head screw 86, is covered in junction
Cylinder 88 is provided with seal groove and is placed into sealing ring 87, and back cover cylinder 811 is locked at middle cover cylinder 88 by hexagon socket cap head screw 810
On, junction is provided with seal groove and is placed into sealing ring 89, and entirely 41 front end of airtight component is placed in front shroud cylinder by front screening glass 83
Interior, and be provided with seal groove between the two and be placed into sealing ring 84, front screening glass 83 is locked at front shroud cylinder by front screening glass trim ring 82
In 85,41 rear end of airtight component is provided with colour filter 814 and is provided with seal groove between back cover cylinder 811 and colour filter 814, inserts sealing
Circle 815 is lock onto rear screening glass 815 in back cover cylinder by colour filter trim ring 814, so that entirely airtight component 41 is comprehensive close
Envelope, plays airtight effect.
The optical index of the present embodiment is characterized as：
Focal length：f’min=392mm, f 'max=1210mm；
Relative aperture D/ f '：It is better than 1/7 during most short focus, during most focal length, is better than 1/8；
2 ω=0.56 °～11.212 ° of horizontal field of view angle；
Optical texture length ∑ L≤640mm；
Zoom stroke≤27.5mm；
Resolution of lens：During f '≤800mm, 0 ° of visual field MTF >=0.39@100lp/mm；
During f ' >=800mm, 0 ° of visual field MTF >=0.4@100lp/mm；
The transmission spectrum of colour filter：500~750nm.
Claims (7)
1. the big target surface high definition zoom lens of wide spectrum with overlength focal length, it is characterised in that：The camera lens light curb light enters
Penetrate direction be provided with focal power be the first positive fixed lens group, focal power be negative Zoom lens group, focal power be positive compensation
Lens group, iris diaphgram, focal power are the second positive fixed lens group and color filter film；
First fixed lens group is sequentially provided with first group of first positive crescent moon lens, first group of negative moon in light incident direction
Tooth lens, first group of planoconvex spotlight, first group of biconcave lens, first group of second positive crescent moon lens；First group of first first month of the lunar year
Tooth lens, first group of second positive crescent moon lens are all made with ED material；
The Zoom lens group be sequentially provided with light incident direction zoom group bear crescent moon lens, by zoom group biconcave lens and
The gluing unit of zoom group biconvex lens contiguity；
The offset lens group be sequentially provided with light incident direction compensation group biconvex lens, by compensation group bear crescent moon lens and
The gluing unit of compensation group biconvex lens contiguity；
Second fixed lens group is sequentially provided with by second group of positive crescent moon lens and second group first in light incident direction
The gluing unit of negative crescent moon lens contiguity, second group of second negative crescent moon lens, by second group of biconvex lens and second group of the 3rd negative moon
The gluing unit of tooth lens contiguity.
2. the big target surface high definition zoom lens of the wide spectrum with overlength focal length according to claim 1, it is characterised in that：Edge
Light incident direction, the airspace between first fixed lens group and Zoom lens group is 182.16～209.63mm,
Airspace between Zoom lens group and offset lens group is 3.85～64.78mm, and offset lens group fixes lens with second
Airspace between group is 2.80～36.27mm.
3. the big target surface high definition zoom lens of the wide spectrum with overlength focal length according to claim 2, it is characterised in that：Institute
State in the first fixed lens group, first group of first positive crescent moon lens and first group of airspace that bears between crescent moon lens are
116.17mm, first group of negative airspace between crescent moon lens and first group of planoconvex spotlight is 1.77mm, and first group of plano-convex is saturating
Airspace between mirror and first group of biconcave lens is 1.02mm, first group of biconcave lens and first group of second positive crescent moon lens
Between airspace be 0.65mm；
In the Zoom lens group, zoom group is born crescent moon lens and is touched into by zoom group biconcave lens and zoom group biconvex lens
Gluing unit between airspace be 3.39mm；
In the offset lens group, compensation group biconvex lens with crescent moon lens and compensation group biconvex lens born by compensation group touch into
Gluing unit between airspace be 0.21mm；
In second fixed lens group, by second group of positive crescent moon lens and the gluing unit of second group of first negative crescent moon lens contiguity
78.49mm with the airspace between second group of second negative crescent moon lens, second group of second negative crescent moon lens with by second group
Airspace between the gluing unit that biconvex lens and second group of the 3rd negative crescent moon lens touch is 27.74mm.
4. the big target surface high definition zoom lens of the wide spectrum with overlength focal length according to claim 1, it is characterised in that：Institute
State the ED optical glass of first group of first positive crescent moon lens, first group of second positive crescent moon lens all with the trade mark as H-FK61
Shaping.
5. the big target surface high definition zoom lens of the wide spectrum with overlength focal length according to claim 1, it is characterised in that：
The transparent wavelength range of the color filter film is 500～750nm.
6. the big target surface high definition zoom lens of the wide spectrum with overlength focal length according to claim 1, it is characterised in that：When
When Zoom lens group is moved forward and backward on optical path direction, offset lens group is moved to the direction of motion of Zoom lens group simultaneously, with
Realize image planes while lens zoom constant.
7. the big target surface high definition zoom lens of the wide spectrum with overlength focal length according to claim 1, it is characterised in that：Edge
Light incident direction, the assembling structure of the camera lens are divided into airtight component（41）, focus pack（42）, connecting cylinder（43）、
Zoom component（44）, cam pack（45）, compensation component（46）, iris diaphgram component（47）, rear fixation kit（48）, video camera
Component（49）；First fixed lens group is located at focus pack（42）Interior, the Zoom lens are mounted on zoom component（44）
Interior, the offset lens is mounted on compensation component（46）Interior, second fixed lens group and color filter film are located at latter fixing group
Part（48）Interior, the built-in iris diaphgram of the iris diaphgram component, camera lens outer wall include airtight construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620892829.1U CN206002763U (en) | 2016-08-17 | 2016-08-17 | The big target surface high definition zoom lens of wide spectrum with overlength focal length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620892829.1U CN206002763U (en) | 2016-08-17 | 2016-08-17 | The big target surface high definition zoom lens of wide spectrum with overlength focal length |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206002763U true CN206002763U (en) | 2017-03-08 |
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|---|---|---|---|
| CN201620892829.1U Withdrawn - After Issue CN206002763U (en) | 2016-08-17 | 2016-08-17 | The big target surface high definition zoom lens of wide spectrum with overlength focal length |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125274A (en) * | 2016-08-17 | 2016-11-16 | 福建福光股份有限公司 | There is the wide spectrum big target surface high definition zoom lens of overlength focal length |
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2016
- 2016-08-17 CN CN201620892829.1U patent/CN206002763U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106125274A (en) * | 2016-08-17 | 2016-11-16 | 福建福光股份有限公司 | There is the wide spectrum big target surface high definition zoom lens of overlength focal length |
| CN106125274B (en) * | 2016-08-17 | 2018-10-02 | 福建福光股份有限公司 | The big target surface high definition zoom lens of wide spectrum with overlength focal length |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170308 Effective date of abandoning: 20181002 |