CN106597649A - High-resolution and strong-fog-penetrating television camera zoom lens - Google Patents
High-resolution and strong-fog-penetrating television camera zoom lens Download PDFInfo
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- CN106597649A CN106597649A CN201611053025.3A CN201611053025A CN106597649A CN 106597649 A CN106597649 A CN 106597649A CN 201611053025 A CN201611053025 A CN 201611053025A CN 106597649 A CN106597649 A CN 106597649A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
- G02B15/163—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group
- G02B15/167—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses
- G02B15/173—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group having a first movable lens or lens group and a second movable lens or lens group, both in front of a fixed lens or lens group having an additional fixed front lens or group of lenses arranged +-+
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Abstract
The invention provides a high-resolution and strong-fog-penetrating television camera zoom lens. A positive-optical-power front fixed lens group A, a negative-optical-power zoom-variable lens group B, a positive-optical-power compensating lens group C, a variable diaphragm D, a positive-optical-power rear fixed lens group E and a color filter F are arranged along the direction of light rays. The front fixed lens group A sequentially comprises a first balsaming group formed through the hermetic bonding of a negative meniscus lens A-1 and a biconvex lens A-2, a plano-convex lens A3, and positive meniscus lens A-4. The plano-convex lens A3 is prepared by ultra-low dispersion materials H-FK61. The zoom-variable lens group B sequentially comprises a plano-concave lens B-1, a second balsaming group formed through the hermetic bonding of a biconcave lens B-2 and a positive meniscus lens B-3, and a biconcave lens B-4. The compensating lens group C comprises a biconvex lens C-1, and a third balsaming group formed through the hermetic bonding of a negative meniscus lens C-2 and a biconvex lens C-3. The rear fixed lens group E sequentially comprises a biconcave lens E-1, a positive meniscus lens E-2, a biconvex lens E-3, a negative meniscus lens E-4, and a biconvex lens E-5. The problem in the prior art that a current wide-spectral zoom lens is not high in resolution in the prior art can be solved. The above high-resolution and strong-fog-penetrating television camera zoom lens is excellent strong in fog-penetrating ability.
Description
Technical field
The present invention relates to the strong Penetrating Fog telephotography zoom lens of optical field, especially high-resolution.
Background technology
In the visible light environments such as fog, dust, smog, the effective observation distance of common pick-up lenss will be greatly shortened,
Fuzzy picture is can only obtain when being imaged using it, even more " cannot be watched " especially when target contrast is low.Using infrared light
The Penetrating Fog pick-up lenss that line can be produced with the principle of diffraction molecule can efficiently solve under this mal-condition into
As problem, remote observing effect is greatly promoted.Yet with the presence of glass material dispersion, the light of different-waveband, its
The position of optimum image plane is different, causes pick-up lenss to be difficult to keep the high-resolution imaging of near infrared band.With user to into
As the higher and higher requirement of quality, the shooting zoom lens that current resolution is not high, mist transmitting performance is not strong cannot meet use
The demand at family.
It is the research purpose of the present invention to solve the above problems.
The content of the invention
The present invention proposes the strong Penetrating Fog telephotography zoom lens of high-resolution, can greatly reduce two grades that wide spectrum is brought
Aberration on spectrum isometry, overcomes the not high shortcoming of current wide spectrum zoom lens resolution;Improve shooting zoom lens to exist
Detectivity under the adverse circumstances such as rain, snow, mist, greatly improves distant surveillance effect, with splendid mist transmitting performance.
The present invention is employed the following technical solutions.The strong Penetrating Fog telephotography zoom lens of high-resolution, the camera lens light curb
It is positive front fixed lens group A that light incident direction is provided with focal power, and focal power is negative Zoom lens group B, focal power for just
Offset lens group C, iriss D, focal power be positive rear fixed lens group E and color filter film F;The front fixed lens group
A is sequentially provided with the first gluing unit, the planoconvex lenss touched by negative crescent moon lens A-1 and biconvex lens A-2 along light incident direction
A-3, positive crescent moon lens A-4;The planoconvex lenss A-3 is made up of ED material H-FK61.
Zoom lens group B is sequentially provided with planoconcave lenses B-1 along light incident direction, by biconcave lenss B-2 and the first month of the lunar year
Second gluing unit, the biconcave lenss B-4 of tooth lens B-3 contiguity.
Offset lens group C be provided with biconvex lens C-1, the touched by negative crescent moon lens C-2 and biconvex lens C-3 the 3rd
Gluing unit.
Rear fixed lens group E is sequentially provided with biconcave lenss E-1, positive crescent moon lens E-2, biconvex lens E-3, negative crescent moon
Lens E-4, biconvex lens E-5.
Airspace between front fixed lens group A and Zoom lens group B is 4.50~90.00mm, Zoom lens
Airspace between group B and offset lens group C is 4.50~121.48mm, between offset lens group C and rear fixed lens group E
Airspace be 6.60~38.08mm.
In front fixed lens group A, the airspace between the first gluing unit and planoconvex lenss A-3 is 0.15mm, is put down
Airspace between convex lenss A-3 and positive crescent moon lens A-4 is 0.15mm;In Zoom lens group B, planoconcave lenses B-1
It is 2.26mm with the airspace between the second gluing unit, the airspace between the second gluing unit and biconcave lenss B-4 is
6.84mm;In offset lens group C, the airspace between biconvex lens C-1 and the 3rd gluing unit is 0.15mm;After described
In fixed lens group E, the airspace between biconcave lenss E-1 and positive crescent moon lens E-2 is 0.30mm, positive crescent moon lens E-2
It is 11.59mm with the airspace between biconvex lens E-3, the airspace between biconvex lens E-3 and negative crescent moon lens E-4
It is 0.19mm, the airspace born between crescent moon lens E-4 and biconvex lens E-5 is 1.64mm.
The color filter film F is near-infrared colour filter, and the operation wavelength of color filter film F is 700 ~ 900nm.
The front portion of the camera lens is provided with Power focus mechanism, fixed lens group A before the Power focus mechanism built;It is described
Power zoom mechanism, power zoom mechanism built Zoom lens group B and offset lens group C are provided with the middle part of camera lens;It is described
The rear portion of camera lens is provided with electronic dimming mechanism, electronic built-in iriss D of dimming mechanism and rear fixed lens group E.
The precision potentiator of power zoom mechanism built one is realizing focal length preparatory function.
The camera lens minimum focus f ' min=11mm, camera lens minimum focus f ' max=310mm;Lens optical structure length ∑
L≤235mm;Camera lens zoom stroke≤85.5mm.
By in camera lens light path, it is positive front fixed lens group A to arrange focal power along light incident direction to the present invention, light
Focal power is that negative Zoom lens group B, focal power are positive offset lens group C and focal power is positive rear fixed lens group E, can be closed
Reason distributes the focal power of each constituent element, makes system compact.
The present invention selects ED material H-FK61 in front fixed lens group A that focal power is positive, can be effectively
Reduce aberration on second order spectrum isometry, so as to realize the high-resolution imaging in system 400 ~ 900nm wide spectral ranges.
The present invention compensates the optimum image plane skew of infrared band by the optical filter based on near-infrared colour filter, further carries
The high imaging effect of near infrared band, greatly improves the distant surveillance ability of system, realizes strong fog penetrating function.
Description of the drawings
With reference to the accompanying drawings and detailed description the present invention is described in more detail:
Fig. 1 is embodiment of the present invention light channel structure schematic diagram;
MTF figures when Fig. 2 is focal length of the present invention;
MTF figures when Fig. 3 is short focus of the present invention;
Fig. 4 is the total schematic diagram of structure of the present invention;
Fig. 4 a are the structural upright schematic diagram of the present invention;
Fig. 5 is the Power focus structural scheme of mechanism of the present invention;
Fig. 5 a are another schematic diagram of the Power focus mechanism of the present invention;
Fig. 5 b are the schematic perspective view of the Power focus mechanism of the present invention;
Fig. 6 is the power zoom structural scheme of mechanism of the present invention;
Fig. 6 a are another schematic diagram of the power zoom mechanism of the present invention;
Fig. 6 b are the schematic perspective view of the power zoom mechanism of the present invention;
Fig. 7 is the electronic dimming mechanism schematic diagram of the present invention;
Fig. 7 a are the schematic perspective view of the electronic dimming mechanism of the present invention;
In Fig. 1:Fixed lens group A before 1-;2- Zoom lens groups B;3- offset lens groups C;4- iriss D;It is fixed saturating after 5-
Microscope group E;6- color filter film F;
111 ~ negative crescent moon lens A-1;112 ~ biconvex lens A-2;113 ~ planoconvex lenss A-3;114 ~ positive crescent moon lens A-4;
121 ~ planoconcave lenses B-1;122 ~ biconcave lenss B-2;123 ~ positive crescent moon lens B-3;124- biconcave lenss B-4;
131- biconvex lens C-1;The negative crescent moon lens C-2 of 132-;133- biconvex lens C-3;
141- biconcave lenss E-1;The positive crescent moon lens E-2 of 142-;143- biconvex lens E-3;The negative crescent moon lens E-4 of 144-;145-
Biconvex lens E-5;
In Fig. 4,4a:401. focus packs, 402. zoom cam packs, 403. variable focus packages, 404. compensation components, 405. is electronic
Dimming mechanism, disposes component after 406., 407. filter wheel mechanisms, 408. camera assemblies, 409. Power focus mechanisms,
4010. power zoom mechanism;
In Fig. 5,5a, 5b:501. eyeglass A1,502. eyeglass A2,503. eyeglass A3,504. eyeglass A4, organize spacer ring II before 505.,
Spacer ring I is organized before 506., lens barrel is organized before 507., 508. focus on guide pin component, trim ring is organized before 509., 5010. focus on body tube,
5011. focus on cam trim ring, and 5012. focus on cam, 5013. focus motors, 5014. focus motor gears, 5015. potential focus
Device, 5016. focus variable rheostat gears, 5017. focus motor supports, 5018. focus on limited support, and 5019. focus on Hall element,
5020. focus magnet seats, 5021. focus magnets;
In Fig. 6,6a, 6b:601. zoom microscope groups, 602. zoom balladeur trains, 603. body tubes, accurate steel balls before 604., 605. zooms
Guide pin component, 606. zoom cams, 607. compensation balladeur trains, 608. compensation guide pin components, 609. compensation microscope groups are accurate after 6010.
Steel ball, 6011. zoom cam trim rings, 6012. bases, 6013. zoom electric machine supports, 6014. zoom potentiometers, 6015. zooms
Potentiometer gear, 6016. third wheels, 6017. zoom motor gears, 6018. zoom motors, 6019. zoom limited supports, 6020.
Zoom Hall element;
In Fig. 7:701. diaphragm rotating ring trim rings, 702. diaphragm rotating rings, 703. diaphragm rivets, 704. diaphragm pieces, 705. eyeglass E1,
The eyeglass E3 of 706, eyeglass E2,707., 708. eyeglass E4,709. eyeglass E5, organize spacer ring I after 7010., trim ring I is organized after 7011.,
Spacer ring II is organized after 7012., spacer ring III is organized after 7013., trim ring II is organized after 7014., organize microscope base after 7015., 7016. diaphragm seats,
7017. diaphragm guide pins, 7018. Iris motors, 7019. Iris motor supports, 7020. diaphragm third wheels, 7021. Iris motor teeth
Wheel.
Specific embodiment
As shown in figs. 1-7, the strong Penetrating Fog telephotography zoom lens of high-resolution, the camera lens light curb light incident direction
It is positive front fixed lens group A to be provided with focal power(1), focal power is negative Zoom lens group B(2), focal power be positive compensation
Lens group C(3), iriss D(4), focal power be positive rear fixed lens group E(5)With color filter film F(6);It is fixed before described
Lens group A(1)It is sequentially provided with by negative crescent moon lens A-1 along light incident direction(111)With biconvex lens A-2(112)Contiguity
First gluing unit, planoconvex lenss A-3(113), positive crescent moon lens A-4(114);The planoconvex lenss A-3(113)By ED
Material H-FK61 makes.
Zoom lens group B(2)Planoconcave lenses B-1 is sequentially provided with along light incident direction(121), by biconcave lenss B-
2(122)With positive crescent moon lens B-3(123)Second gluing unit, the biconcave lenss B-4 of contiguity(124).
Offset lens group C(3)It is provided with biconvex lens C-1(131), by negative crescent moon lens C-2(132)And biconvex lens
C-3(133)3rd gluing unit of contiguity.
Rear fixed lens group E(5)It is sequentially provided with biconcave lenss E-1(141), positive crescent moon lens E-2(142), biconvex
Lens E-3(143), negative crescent moon lens E-4(144), biconvex lens E-5(145).
Front fixed lens group A(1)With Zoom lens group B(2)Between airspace be 4.50~90.00mm, become
Times lens group B(2)With offset lens group C(3)Between airspace be 4.50~121.48mm, offset lens group C(3)With it is rear
Fixed lens group E(5)Between airspace be 6.60~38.08mm.
Front fixed lens group A(1)In, the first gluing unit and planoconvex lenss A-3(113)Between airspace be
0.15mm, planoconvex lenss A-3(113)With positive crescent moon lens A-4(114)Between airspace be 0.15mm;The zoom is saturating
Microscope group B(2)In, planoconcave lenses B-1(121)2.26mm with the airspace between the second gluing unit, the second gluing unit with it is double
Concavees lens B-4(124)Between airspace be 6.84mm;Offset lens group C(3)In, biconvex lens C-1(131)With
Airspace between 3rd gluing unit is 0.15mm;Rear fixed lens group E(5)In, biconcave lenss E-1(141)With just
Crescent moon lens E-2(142)Between airspace be 0.30mm, positive crescent moon lens E-2(142)With biconvex lens E-3(143)It
Between airspace be 11.59mm, biconvex lens E-3(143)With negative crescent moon lens E-4(144)Between airspace be
0.19mm, bears crescent moon lens E-4(144)With biconvex lens E-5(145)Between airspace be 1.64mm.
The color filter film F(6)For near-infrared colour filter, color filter film F(6)Operation wavelength be 700 ~ 900nm.
The front portion of the camera lens is provided with Power focus mechanism(409), the Power focus mechanism(409)It is fixed saturating before built-in
Microscope group A(1);Power zoom mechanism is provided with the middle part of the camera lens(4010), the power zoom mechanism(4010)Built-in zoom
Lens group B(2)With offset lens group C(3);The rear portion of the camera lens is provided with electronic dimming mechanism(405), the electric adjustable ray machine
Structure(405)Built-in iriss D(4)With rear fixed lens group E(5).
The power zoom mechanism(4010)A built-in precision potentiator is realizing focal length preparatory function.
The camera lens minimum focus f ' min=11mm, camera lens minimum focus f ' max=310mm;Lens optical structure length ∑
L≤235mm;Camera lens zoom stroke≤85.5mm.
Embodiment:
As shown in figure 4, the assemble mechanism of the camera lens be followed successively by from left to right before placement component 401, zoom cam pack 402,
Zoom component 403, compensation component 404, electronic dimming mechanism 405, rear placement component 406, optical filter mechanism 407 and shooting unit
Part 408.The front portion of the camera lens is provided with Power focus mechanism 409, and power zoom mechanism 4010, institute are provided with the middle part of the camera lens
State the surrounding that electronic dimming mechanism 405, Power focus mechanism 409 and power zoom mechanism 4010 are arranged in camera lens.It is described
Power focus mechanism is provided with a focus variable rheostat 3015 for realizing focal length preparatory function and two are realized output signal in place
The Hall element 5019 of function, the focus variable rheostat 5015 is precision potentiator.The power zoom mechanism is provided with one
The zoom potentiometer 6014 for realizing focal length preparatory function and two Hall elements 6020 for realizing exporting semiotic function in place, it is described
Focus variable rheostat 6014 is precision potentiator.
Fit structure of front fixed lens group A at Power focus mechanism as shown in Fig. 5,5a, it is described before placement component 401
It is by negative crescent moon lens with front group of trim ring 509(501)With biconvex lens A2(502)The gluing unit of contiguity, planoconvex lenss A3
(503), positive crescent moon lens A4(504)It is placed in respectively in front group of lens barrel 507 and by upper and lower two uniform focusing guide pin groups
Part 508 is placed in focusing body tube 5010, the negative crescent moon lens(501)With biconvex lens A2(502)The gluing unit of contiguity
It is to be pressed in front group of lens barrel 507 by front group of trim ring 509, the negative crescent moon lens(501)With biconvex lens A2(502)Contiguity
Gluing unit and planoconvex lenss A3(503)Between be provided with front group of spacer ring I 506, the planoconvex lenss A3(503)With positive crescent moon lens
A4(504)Between be provided with front group of spacer ring II 505.The Power focus mechanism 409 includes focus motor 5013, focuses on body tube
5010th, the focusing Hall element 5019 of magnet steel 5021 and precise control focal position is focused on, the focus motor 5013 passes through
Focus motor frame 5017 is placed on focusing body tube 5010, and the focusing Hall element 5019 is by focusing on limited support 5018
It is placed on focusing body tube 5010, precision machined 2 uniform guide grooves is offered on the focusing body tube 5010, it is described poly-
Focusing gear 5014 is mounted with the motor shaft of burnt motor 5013, the focusing body tube 5010 is mounted with focusing cam 5012,
Focus on and offer precision machined 2 uniform linear skewed slots on cam 5012, with focusing on guide pin component 508 by front group of lens barrel
5012 are linked together with body tube 5010 is focused on, and focus on gear 5014 and engage with the gear on cam 5012 is focused on.Work as focusing
The power-up rotation of motor 5012, when driving focusing cam 5012 to rotate, is limited, front group of lens barrel by focusing on straight trough on body tube 5010
507 rotary motion is converted to linear motion, so as to realize the focusing to far and near target.
The fit structure of Zoom lens group B and offset lens group C at power zoom mechanism as shown in Fig. 6,6a, 6b, institute
State zoom microscope group 501 and composition zoom component 403 on zoom balladeur train 502 is placed in by joint bolt;Compensation microscope group 609 is by connection
Connect screw placement composition compensation component 404 on compensation balladeur train 607.The zoom balladeur train 602 passes through respectively with compensation balladeur train 607
In loading body tube 603 after the precise finiss of body tube 603, zoom cam 606 is by front accurate steel balls 604 and rear accurate steel balls
6010 are placed on body tube 603, are compressed with zoom cam trim ring 6010, and sliding friction when zoom cam 606 is rotated turns
It is changed into rolling friction, to reduce frictional force when zoom cam 606 is moved.The zoom cam 606 presses optical zoom motion side
Two zooms, compensating curve grooves are processed in the requirement of journey, respectively with zoom guide pin component 605 and compensation guide pin component 608 zoom
Cam 606 is linked together with zoom balladeur train 602, compensation balladeur train 607.The power zoom mechanism 4010 is by zoom motor, change
Burnt potentiometer 6014 and zoom Hall element 6020 are constituted, and the zoom motor 6018 is placed in master by zoom frame 6013
On lens barrel 603, the zoom Hall element 6020 is placed on body tube 603 by zoom limited support 6019, the zoom
Potentiometer 6020 is placed on body tube 603 by zoom frame 6013.Zoom gear 6017 is nibbled with the gear of zoom cam 606
Close, and zoom potentiometer gear 6014 is engaged by a third wheel 6016 with zoom cam 607.When zoom rotor makees positive and negative
During rotary motion, by third wheel 6016, zoom potentiometer rotor 6014 and the synchronous axial system of zoom cam 607 are made.By zoom, mend
Repay curved groove and zoom guide pin component 605, compensation guide pin component 608 drive zoom balladeur train 602, compensation balladeur train 607 by zoom, mend
The mode for repaying curved groove is moved.Two straight troughs play support zoom guide pin component 605 and compensation guide pin component on body tube 603
608 effect, and make zoom balladeur train 602, the rotary motion of compensation balladeur train 607 be changed into linear motion.Strict control zoom is led
Screw assembly 605 and compensation guide pin component 608 and the cooperation between the curved groove of zoom cam 606 and the straight-line groove of body tube 603
Gap, it is ensured that zoom component 403 and compensation component 404 slide steadily comfortably, without clamping stagnation.So zoom is realized by motor rotation
Component 403 and compensation component 404 do tandem motion by zoom motion equation requirement, so as to realize the continuous change of system focal
Change function.When the focal length of system changes, the changing value of potentiometer can be taken out by appropriate sample circuit, and pass to control
Center processed, so as to realize that zoom level must show;Conversely, providing order by control centre, the real-time control of focal length is capable of achieving.
The fit structure of iriss D and rear fixed lens group E at electronic dimming mechanism is described double as shown in Fig. 7,7a
Convex lenss E3(707), negative crescent moon lens E4(708)With biconvex lens E5(709)It is placed in rear microscope base 7015, the rear placement
Component 406 is by biconcave lenss E1(705)With positive crescent moon lens E2(706)It is placed in diaphragm seat 7016, and by rear microscope base
7015 are arranged on diaphragm seat.The biconcave lenss E1(705)With positive crescent moon lens E2(706)Between with rear group of spacer ring I 7010
Separate, and be pressed in diaphragm seat 7016 with rear group of trim ring I 7011.The biconvex lens E3(707)With negative crescent moon lens E4
(708)Separated with rear group of spacer ring II 7012, the negative crescent moon lens E4(708)With biconvex lens E5(709)With rear group of spacer ring III
7013 separate, and are pressed in rear microscope base 7015 with rear group of trim ring II 7014.The electronic dimming mechanism 405 includes Iris motor
7018 and the diaphragm Hall element 7018 of precise control diaphragm openings of sizes position constitute, the diaphragm Hall element 7018 is installed
On diaphragm seat 7016.The Iris motor 7018 is placed on diaphragm seat 7016 by Iris motor frame 7019, the diaphragm
Diaphragm gear is mounted with the motor shaft of motor 7018, the diaphragm gear drives after engaging with the gear of diaphragm third wheel 7020
Diaphragm third wheel 7020 is rotated, and the diaphragm third wheel 7020 dials nail 7017 and drives light by the diaphragm being placed on diaphragm rotating ring 702
Late rotating ring 702 is rotated.The diaphragm rotating ring 702 is pressed in diaphragm seat 7016 by diaphragm rotating ring trim ring 701, the diaphragm rotating ring
702 drive diaphragm pieces 704 are rotated, and so as to control the change of aperture openings size, realize the process of Electronic control aperture size.
Assemble by more than, this example camera lens reaches following index:
The optical system being made up of above-mentioned lens set has reached following optical index:
Focal length:F ' min=11mm, f ' max=310mm;
Relative aperture D/f ':Focal length is better than 1/4.5, and short focus are better than 1/3;
The angle of visual field:2ω=1.22°~33.4°;
Optical texture length ∑ L≤235mm;
Zoom stroke≤85.5mm;
Resolution of lens:During focal length, central vision MTF >=0.52@110lp/mm
During short focus, central vision MTF >=0.66@110lp/mm
With reference to Fig. 2, Fig. 3, camera lens can be adapted to the video camera of fine definition;
The transmission spectrum of Penetrating Fog light filter:700~900nm.
Claims (7)
1. strong Penetrating Fog telephotography zoom lens of high-resolution, it is characterised in that:The camera lens light curb light incident direction sets
Have focal power to be positive front fixed lens group A, focal power be negative Zoom lens group B, focal power be positive offset lens group C,
Iriss D, focal power are positive rear fixed lens group E and color filter film F;Front fixed lens group A is along light incidence side
To being sequentially provided with the first gluing unit, planoconvex lenss A-3, the positive crescent moon lens that are touched by negative crescent moon lens A-1 and biconvex lens A-2
A-4;The planoconvex lenss A-3 is made up of ED material H-FK61;
Zoom lens group B is sequentially provided with planoconcave lenses B-1, saturating by biconcave lenss B-2 and positive crescent moon along light incident direction
Second gluing unit, the biconcave lenss B-4 of mirror B-3 contiguity;
Offset lens group C be provided with biconvex lens C-1, by negative crescent moon lens C-2 and biconvex lens C-3 touch it is the 3rd glued
Group;
Rear fixed lens group E is sequentially provided with biconcave lenss E-1, positive crescent moon lens E-2, biconvex lens E-3, negative crescent moon lens
E-4, biconvex lens E-5.
2. strong Penetrating Fog telephotography zoom lens of high-resolution according to claim 1, it is characterised in that:It is fixed before described
Airspace between lens group A and Zoom lens group B is 4.50~90.00mm, Zoom lens group B and offset lens group C it
Between airspace be 4.50~121.48mm, the airspace between offset lens group C and rear fixed lens group E is 6.60~
38.08mm。
3. strong Penetrating Fog telephotography zoom lens of high-resolution according to claim 1 and 2, it is characterised in that:Before described
In fixed lens group A, the airspace between the first gluing unit and planoconvex lenss A-3 is 0.15mm, planoconvex lenss A-3 and the first month of the lunar year
Airspace between tooth lens A-4 is 0.15mm;In Zoom lens group B, between planoconcave lenses B-1 and the second gluing unit
Airspace be 2.26mm, the airspace between the second gluing unit and biconcave lenss B-4 is 6.84mm;The offset lens
In group C, the airspace between biconvex lens C-1 and the 3rd gluing unit is 0.15mm;In rear fixed lens group E, concave-concave
Airspace between lens E-1 and positive crescent moon lens E-2 is 0.30mm, between positive crescent moon lens E-2 and biconvex lens E-3
Airspace is 11.59mm, and the airspace between biconvex lens E-3 and negative crescent moon lens E-4 is 0.19mm, bears crescent moon lens
Airspace between E-4 and biconvex lens E-5 is 1.64mm.
4. the strong Penetrating Fog telephotography zoom lens of high-resolution according to claim 1,2 or 3, it is characterised in that:It is described
Color filter film F is near-infrared colour filter, and the operation wavelength of color filter film F is 700 ~ 900nm.
5. the strong Penetrating Fog telephotography zoom lens of high-resolution according to claim 1,2 or 3, it is characterised in that:It is described
The front portion of camera lens is provided with Power focus mechanism, fixed lens group A before the Power focus mechanism built;Set in the middle part of the camera lens
There are power zoom mechanism, power zoom mechanism built Zoom lens group B and offset lens group C;The rear portion of the camera lens sets
There are electronic dimming mechanism, electronic built-in iriss D of dimming mechanism and rear fixed lens group E.
6. strong Penetrating Fog telephotography zoom lens of high-resolution according to claim 5, it is characterised in that:The electronic change
The built-in precision potentiator of focusing mechanism is realizing focal length preparatory function.
7. strong Penetrating Fog telephotography zoom lens of high-resolution according to claim 6, it is characterised in that:The camera lens is most
Little focal length f ' min=11mm, camera lens minimum focus f ' max=310mm;Lens optical structure length ∑ L≤235mm;Camera lens zoom
Stroke≤85.5mm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611053025.3A CN106597649B (en) | 2016-11-25 | 2016-11-25 | The strong Penetrating Fog telephotography zoom lens of high-resolution |
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CN107272173A (en) * | 2017-08-10 | 2017-10-20 | 福建福光股份有限公司 | Strong Penetrating Fog high definition zooming camera lens with the continuous output function in visual field |
CN107544131A (en) * | 2017-09-28 | 2018-01-05 | 福建福光股份有限公司 | Big thang-kng amount high-resolution zoom camera lens |
CN107765411A (en) * | 2017-11-14 | 2018-03-06 | 福建福光股份有限公司 | The high definition continuous magnification lens of the strong Penetrating Fog of big zoom ratio |
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