CN107544131A - Big thang-kng amount high-resolution zoom camera lens - Google Patents

Big thang-kng amount high-resolution zoom camera lens Download PDF

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Publication number
CN107544131A
CN107544131A CN201710895689.2A CN201710895689A CN107544131A CN 107544131 A CN107544131 A CN 107544131A CN 201710895689 A CN201710895689 A CN 201710895689A CN 107544131 A CN107544131 A CN 107544131A
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CN
China
Prior art keywords
lens
positive lens
negative lens
negative
moon
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Pending
Application number
CN201710895689.2A
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Chinese (zh)
Inventor
汪建平
周宝藏
石姣姣
张新彬
林春生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Forecam Optics Co Ltd
Original Assignee
Fujian Forecam Optics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Forecam Optics Co Ltd filed Critical Fujian Forecam Optics Co Ltd
Priority to CN201710895689.2A priority Critical patent/CN107544131A/en
Publication of CN107544131A publication Critical patent/CN107544131A/en
Pending legal-status Critical Current

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Abstract

The present invention relates to a kind of big thang-kng amount high-resolution zoom camera lens, along light, incident direction is sequentially provided with the first positive lens groups A, the second negative lens group B, the 3rd positive lens groups C and the 4th negative lens group D from left to right in the optical system of the camera lens, simple in construction.

Description

Big thang-kng amount high-resolution zoom camera lens
Technical field
The present invention relates to a kind of big thang-kng amount high-resolution zoom camera lens.
Background technology
With the development of engineering technology, zoom lens is always toward higher resolution, bigger thang-kng amount and bigger zoom ratio Development, the raising of system thang-kng amount are favorably improved resolution capability of the system in dark situation, it helps improve spreading out for system Limiting resolution is penetrated, on the basis of the big zoom ratio of high-resolution, in order to improve the thang-kng amount of zoom system, pancreatic system, thus this case is produced It is raw.
The content of the invention
The purpose of the present invention is to be directed to above weak point, there is provided a kind of big thang-kng amount high-resolution simple in construction becomes Zoom lens.
The technical scheme is that a kind of big thang-kng amount high-resolution zoom camera lens, in the optical system of the camera lens Along light, incident direction is sequentially provided with the first positive lens groups A, the second negative lens group B, the 3rd positive lens groups C and the 4th from left to right Negative lens group D.
Further, the first positive lens groups A from left to right successively by crescent moon positive lens A-1, crescent moon positive lens A-2, Bent moon negative lens A-3 and crescent moon positive lens A-4 compositions, wherein bent moon negative lens A-3 and crescent moon positive lens A-4 are glued together； Second negative lens group B is born by plano-concave negative lens B-1, bent moon negative lens B-2, crescent moon positive lens B-3 and bent moon successively from left to right Lens B-4 is formed, and wherein bent moon negative lens B-2 and crescent moon positive lens B-3 are glued together；3rd positive lens groups C is from left to right It is made up of successively biconvex positive lens C-1, bent moon negative lens C-2, biconvex positive lens C-3 and crescent moon positive lens C-4, wherein bent moon is born Lens C-2 and biconvex positive lens C-3 are glued together；4th negative lens group D is from left to right successively by double-concave negative lens D-1, the moon Tooth positive lens D-2, bent moon negative lens D-3, plano-concave negative lens D-4 and biconvex positive lens D-5 compositions, wherein double-concave negative lens D-1 Glued together with crescent moon positive lens D-2, plano-concave negative lens D-4 and biconvex positive lens D-5 are glued together.
Further, in order to realize the resolution ratio of diffraction limit, the focal length f of the first positive lens groups AAMaximum light admission port Footpath is DA, the second negative lens group B focal length fBMaximum clear aperture is DB, the 3rd positive lens groups C focal length fCMaximum clear aperture For DC, the 4th negative lens group D focal length fDMaximum clear aperture is DD, following condition must be met：
1.0≤|fA/DA|≤2.0
0.8≤|fB/DB|≤1.8
1.0≤|fC/DC|≤2.0
2.5≤|fD/DD|≤3.5
Further, the moving range L of the second negative lens group BB, the 3rd positive lens groups C moving range LC, system Overall length Lt, meet following condition：
0.2≤LB/Lt≤0.3
0.1≤LC/Lt≤0.2
Second order spectrum when further, in order to correct focal length, crescent moon positive lens A-2 and crescent moon positive lens A-4 are using anti- Normal glass, respectively H-FK61 and H-FK71.
Spherical aberration when further, in order to correct short focus, the 4th negative lens group D use five chips.
Further, in order to balance the curvature of field, bent moon negative lens D-3 uses low-refraction field lens, and its refractive index is 1.49.
Further, in order to reduce zoom group B deflection of light, the second negative lens group B all glass are all high refractions Rate glass, minimum refractive index 1.79.
Compared with prior art, the invention has the advantages that：The knot of the big thang-kng amount high-resolution zoom camera lens Structure is simple, has big thang-kng amount, is favorably improved resolution capability of the system in dark situation, it helps improve the diffraction of system Limiting resolution.
Brief description of the drawings
Patent of the present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the optical system diagram of the embodiment of the present invention.
Fig. 2 is MTF of the embodiment of the present invention in short focus.
Fig. 3 is MTF of the embodiment of the present invention in focal length.
Fig. 4 is the mechanical construction drawing of the embodiment of the present invention.
Fig. 5 is focusing component figure one.
Fig. 6 is focusing component figure two.
Fig. 7 is the schematic perspective view of focusing component.
Fig. 8 is zoom cam pack figure one.
Fig. 9 is zoom cam pack figure two.
Figure 10 is auto iris component drawings one.
Figure 11 is auto iris component drawings two.
Figure 12 is the schematic perspective view of auto iris.
Figure 13 is optical filter switching component figure one.
Figure 14 is optical filter switching component figure two.
Figure 15 is optical filter switch piece schematic perspective view.
In figure：
Fixed group A, 44- crescent moon positive lens A-1,43- crescent moon positive lens A-2,42- bent moon negative lens A-3, the 41- months before A- Tooth positive lens A-4, B- zoom group B, B-1 plano-concave negative lens B-1, B-2 bent moon negative lens B-2, B-3 crescent moon positive lens B-3, B-4 Bent moon negative lens B-4, C- compensation group C, C-1 biconvex positive lens C-1, C-2 bent moon negative lens C-2, C-3 biconvex positive lens C-3, C- 4 crescent moon positive lens C-4, D- auto iris group D, 61- double-concave negative lens D-1,62- crescent moon positive lens D-2,63- bent moon negative lenses D-3,64- plano-concave negative lens D-4,65- biconvex positive lens D-5；
31- focusing components, 32- zoom components, 33- compensation components, 34 auto iris components, 35- cam packs, 36- filters Mating plate changeover module, 37- camera assemblies；
Organize trim ring before 45-, 46- cam trim rings, 47- focusing cams, 48- focusing body tubes organize lens barrel before 49-, before 410- Group spacer ring 2 before group spacer ring Isosorbide-5-Nitrae 11-, 412- focusing banking pins, 413- focusing limiting bracket Isosorbide-5-Nitrae 14- Omrons microswitch, 415- focusing motors, 416- focusing potentiometers, 417- focusing limiting brackets 2,418- focusing guide pins, 419- focusing roller Isosorbide-5-Nitraes 20- Focusing lead ring, 421- focusing rollers 2；
51- zoom group eyeglasses, 52- zoom lens barrels, 53- zoom balladeur trains, 54- zoom guide pin components, 55- zoom cams, 56- Body tube, 57- steel balls, 58- zoom cam trim rings, 59- compensation lens barrels, 510- compensation group eyeglasses, 511- compensation balladeur trains, 512- are mended Repay guide pin component, 513- connect bases, 514- Omrons microswitch, 515- zooms limiting bracket 2,516- zoom limiting brackets 1,517- Omron microswitch, 518- zoom motor racks, 519- zoom motors, 520- zoom potentiometers, 521- zoom current potentials Device gear, 522- zoom motor gears；
Spacer ring 1 is organized after 66-, 67- light bar seats, spacer ring 2 is organized after 68-, trim ring, 610- CD-ROM drive pressing plates are organized after 69-；
Connecting plate, 72- filter wheels, 73- optical filter trim rings, 74- optical filters, 75- optical filter covers, 76- filters are organized after 71- Mating plate limiting bracket, 77- Omrons microswitch, 78- optical filter rotating shafts, 79- filter disc third wheels, 710- filter discs cross wheel shaft, 711- optical filter motors, 712- motor gears.
Embodiment
The present invention is further described with reference to the accompanying drawings and detailed description.
As shown in Fig. 1~15, a kind of big thang-kng amount high-resolution zoom camera lens, along light in the optical system of the camera lens Incident direction is sequentially provided with the first positive lens groups A, the second negative lens group B, the 3rd positive lens groups C and the 4th negative lens from left to right Group D.
In the present embodiment, the first positive lens groups A from left to right successively by crescent moon positive lens A-1 (44), crescent moon just Lens A-2 (43), bent moon negative lens A-3 (42) and crescent moon positive lens A-4 (41) compositions, wherein bent moon negative lens A-3 and crescent moon Positive lens A-4 is glued together；Second negative lens group B is from left to right successively by plano-concave negative lens B-1, bent moon negative lens B-2, the moon Tooth positive lens B-3 and bent moon negative lens B-4 compositions, wherein bent moon negative lens B-2 and crescent moon positive lens B-3 are glued together；The Three positive lens groups C are just saturating by biconvex positive lens C-1, bent moon negative lens C-2, biconvex positive lens C-3 and crescent moon successively from left to right Mirror C-4 is formed, and wherein bent moon negative lens C-2 and biconvex positive lens C-3 are glued together；4th negative lens group D from left to right according to It is secondary by double-concave negative lens D-1 (61), crescent moon positive lens D-2 (62), bent moon negative lens D-3 (63), plano-concave negative lens D-4 (64) and Biconvex positive lens D-5 (65) is formed, and wherein double-concave negative lens D-1 and crescent moon positive lens D-2 are glued together, plano-concave negative lens D- 4 and biconvex positive lens D-5 is glued together.
In the present embodiment, in order to realize the resolution ratio of diffraction limit, the focal length f of the first positive lens groups AAMaximum is logical Optical port footpath is DA, the second negative lens group B focal length fBMaximum clear aperture is DB, the 3rd positive lens groups C focal length fCMaximum thang-kng Bore is DC, the 4th negative lens group D focal length fDMaximum clear aperture is DD, following condition must be met：
1.0≤|fA/DA|≤2.0
0.8≤|fB/DB|≤1.8
1.0≤|fC/DC|≤2.0
2.5≤|fD/DD|≤3.5
In the present embodiment, the moving range L of the second negative lens group BB, the 3rd positive lens groups C moving range LC, System overall length Lt, meet following condition：
0.2≤LB/Lt≤0.3
0.1≤LC/Lt≤0.2
Second order spectrum when in the present embodiment, in order to correct focal length, crescent moon positive lens A-2 and crescent moon positive lens A-4 are adopted With unusual glass, respectively H-FK61 and H-FK71.
Spherical aberration when in the present embodiment, in order to correct short focus, the 4th negative lens group D use five chips.
In the present embodiment, in order to balance the curvature of field, bent moon negative lens D-3 uses low-refraction field lens, and its refractive index is 1.49。
In the present embodiment, in order to reduce zoom group B deflection of light, the second negative lens group B all glass are all high Refractive index glass, minimum refractive index 1.79.
In the present embodiment, the optical system being made up of above-mentioned lens set has reached following optical index：
1. focal range：25mm—350mm；
2. clear aperature is more than φ 60；
3. image planes diameter is more than φ 11；
4. distortion is less than 0.5%；
5. the resolution ratio in whole zooming range is all close to diffraction limit；
6. overall length is less than 200mm.
The data of below table, the optical parametric of the embodiment of the present invention will be illustrated.
The optical parametric of the embodiment of the present invention of table 1
Surface Radius Thickness Refractive index
Object plane It is infinitely great It is infinitely great
1 150<R<200 4.91 1.69
2 750<R<800 0.15
3 50<R<100 9.03 1.46
4 150<R<200 0.23
5 50<R<100 3.25 1.75
6 30<R<50 11.48 1.5
7 150<R<200 52.86
8 It is infinitely great 1.20 1.79
9 30<R<50 1.27
10 100<R<150 1.20 1.83
11 10<R<20 4.18 1.92
12 50<R<100 1.87
13 -40>R>-60 1.20 1.88
14 100<R<150 1.84
15 50<R<100 2.99 1.69
16 -50>R>-100 0.15
17 50<R<100 1.20 1.85
18 20<R<30 4.47 1.5
19 -50>R>-100 0.15
20 50<R<100 2.49 1.61
21 450<R<500 28.52
Diaphragm It is infinitely great 2.40
23 -30>R>-40 1.00 1.85
24 20<R<30 2.01 1.92
25 50<R<100 0.15
26 10<R<20 6.78 1.49
27 10<R<20 3.15
28 -900>R>-950 0.95 1.88
29 10<R<20 3.19 1.6
30 -20>R>-30 39.40
Image planes It is infinitely great
Spacing parameter of the embodiment of the present invention of table 2 in long short focus
Surface Short focus Focal length
7 7.92 52.86
14 71.92 1.84
21 3.39 28.52
In the present embodiment, as shown in figure 4, along light incident direction, the assembling structure of the camera lens includes focusing successively Component 31, zoom component 32, compensation component 33, auto iris component 34, cam pack 35, optical filter box 36, image unit Part 37；Preceding fixed group A is in burnt component 31 of focusing, and zoom group B is in zoom component 32, and compensation group C is located at compensation component In 33, auto iris group D is in auto iris component 34.
In the present embodiment, as shown in Figure 5,6, focusing component 31 is by crescent moon positive lens A-1, the moon with focusing group trim ring 45 The gluing unit of tooth positive lens A-2, bent moon negative lens A-3 and crescent moon positive lens A-4 contiguity is placed in preceding group of lens barrel 49, with 410 Spacer ring 1 separates crescent moon positive lens A-1 and crescent moon positive lens A-2, with 411 spacer rings 2 by crescent moon positive lens A-2 and bent moon negative lens The gluing unit of A-3 and crescent moon positive lens A-4 contiguity separates, and preceding group of lens barrel 49 is by two 180 ° uniform linear straight troughs, with tune Burnt guide pin component 418 is placed on focusing body tube 48；In figure focus motor 415, focusing potentiometer 416, focusing body tube 48, Omron microswitch 414 forms Power focus mechanism, and focusing motor 415 is placed in focusing body tube 48 by motor rack of focusing On, Omron microswitch 414 is placed on focusing body tube 48 by limiting bracket 413 of focusing, and is opened up on focusing cam 47 There are precision machined two 160 ° uniform linear skewed slots, linked together, adjusted with focusing guide pin component and focusing body tube 48 Burnt gear engages with the gear on focusing cam 47, is rotated when focusing motor 415 is powered, and by focusing, gear drives focusing cam 47 rotations, by focusing, the straight trough on body tube 48 limits, and the rotation of preceding group of lens barrel 410 is straight in straight trough so as to only do by limitation Line moves, so as to realize the focusing function to far and near target；When the adjustable range of system changes, focusing potentiometer 416 is logical Cross and engaged with focusing cam 47, rotate potentiometer, then potentiometer resistance changes, can by appropriate sample circuit To take out the changing value of potentiometer, and control centre is transmitted to, so as to realize the display of focussing distance；Conversely, pass through control centre Order is provided, focussing distance can be achieved and control in real time.
As shown in Figure 8,9, zoom lens barrel 52 is placed on zoom balladeur train 53 by attachment screw and forms zoom component 32；Mend Repay lens barrel 59 and composition compensation component 33 on compensation balladeur train 511 is placed in by attachment screw；Zoom balladeur train 53 and compensation balladeur train 511 It is placed in by grinding cooperation with body tube 56 on body tube 56, zoom cam 55 is placed in the composition rolling of body tube 56 by steel ball 57 Dynamic bearing, locked by bearing pressure ring and zoom cam trim ring 58；The zoom cam 55 by the optical zoom equation of motion requirement Process zoom, compensated curve groove, respectively with zoom guide pin component and compensation guide pin component zoom cam 55 and zoom balladeur train 53, Compensation balladeur train 511 links together；Zoom motor 519, zoom potentiometer 520, Hall element 517 form power zoom mechanism, Zoom motor 519, zoom potentiometer 520 are placed on body tube 56 by zoom motor rack 518, and Hall element 517 passes through change Times limiting bracket 516 is placed on body tube 56；Zoom motor gear 522 engages with zoom cam 55, when 519 turns of zoom motor When son does positive and negative rotary motion, drive zoom cam 55 to do corresponding rotation, pass through zoom, compensated curve groove and zoom guide pin group Part, compensation guide pin component drive zoom balladeur train 53, compensation balladeur train 511 to be moved in the way of zoom, compensated curve groove, body tube 56 On two straight troughs play a part of limiting zoom guide pin component, compensation guide pin component, and make zoom balladeur train 53, compensation balladeur train 511 rotary motion is changed into moving along a straight line；Strict control zoom guide pin component and the song for compensating guide pin component and zoom cam 55 The fit clearance between straight-line groove on wire casing and body tube 56, ensure that zoom component 32 and compensation component 33 slide steady, nothing Cassette tape；The straight line for realizing that zoom component 32 and compensation component 33 are done back and forth by zoom motion equation requirement is so rotated by motor Motion, so as to realize the consecutive variations function of system focal length；When the focal length of system changes, zoom potentiometer gear 521 Engaged with zoom cam 55, synchronous that relative rotation occurs with zoom cam 55, the resistance of potentiometer changes, by suitable When sample circuit can obtain the changing value of potentiometer, and control centre is transmitted to, so as to realize the display of zoom level；Conversely, Respective resistance values order is provided by control centre, the real-time control of focal length can be achieved.
As shown in Figure 10,11, auto iris component 34 is that trim ring 69 is organized after using by double-concave negative lens D-1 and crescent moon positive lens D-2 contiguity gluing unit, bent moon negative lens D-3, plano-concave negative lens D-4 and biconvex positive lens D-5 contiguity gluing units are placed in light bar In seat 67, spacer ring 1 (66) is organized after by double-concave negative lens D-1 and crescent moon positive lens D-2 contiguity gluing unit, bent moon negative lens D-3 Separate, after organize spacer ring 2 (68) by bent moon negative lens D-3, plano-concave negative lens D-4 and biconvex positive lens D-5 touch gluing unit every Open, CD-ROM drive is fixed on light bar seat 67 using CD-ROM drive pressing plate 610.
As shown in Figure 13,14, optical filter switching component 36 is to organize connecting plate 71 after to cut auto iris group and optical filter Change component to connect, filter wheel 72 is fixed on rear group of connecting plate 71 by optical filter rotating shaft 78, and optical filter 74 is with filter Mating plate trim ring 73 is fixed in filter wheel 72, when the rotor of optical filter motor 711 does positive and negative rotary motion, drive motor tooth Wheel 712, filter disc third wheel 79, filter wheel 72 do corresponding motion, and optical filter is realized using Omron microswitch 77 Switching.
The object, technical solutions and advantages of the present invention are further described by above-listed preferred embodiment, are answered Understand, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.

Claims (8)

  1. A kind of 1. big thang-kng amount high-resolution zoom camera lens, it is characterised in that：Along light from a left side in the optical system of the camera lens Incident direction is sequentially provided with the first positive lens groups A, the second negative lens group B, the 3rd positive lens groups C and the 4th negative lens group D to the right.
  2. 2. big thang-kng amount high-resolution zoom camera lens according to claim 1, it is characterised in that：First positive lens groups A is made up of crescent moon positive lens A-1, crescent moon positive lens A-2, bent moon negative lens A-3 and crescent moon positive lens A-4 successively from left to right, Wherein bent moon negative lens A-3 and crescent moon positive lens A-4 are glued together；Second negative lens group B is born by plano-concave successively from left to right Lens B-1, bent moon negative lens B-2, crescent moon positive lens B-3 and bent moon negative lens B-4 compositions, wherein bent moon negative lens B-2 and the moon Tooth positive lens B-3 is glued together；3rd positive lens groups C from left to right successively by biconvex positive lens C-1, bent moon negative lens C-2, Biconvex positive lens C-3 and crescent moon positive lens C-4 compositions, wherein bent moon negative lens C-2 and biconvex positive lens C-3 are glued together； 4th negative lens group D is negative saturating by double-concave negative lens D-1, crescent moon positive lens D-2, bent moon negative lens D-3, plano-concave successively from left to right Mirror D-4 and biconvex positive lens D-5 compositions, wherein double-concave negative lens D-1 and crescent moon positive lens D-2 are glued together, and plano-concave is negative saturating Mirror D-4 and biconvex positive lens D-5 are glued together.
  3. 3. big thang-kng amount high-resolution zoom camera lens according to claim 2, it is characterised in that：In order to realize diffraction limit Resolution ratio, the focal length f of the first positive lens groups AAMaximum clear aperture is DA, the second negative lens group B focal length fBMaximum is logical Optical port footpath is DB, the 3rd positive lens groups C focal length fCMaximum clear aperture is DC, the 4th negative lens group D focal length fDMaximum thang-kng Bore is DD, following condition must be met：
    1.0≤|fA/DA|≤2.0
    0.8≤|fB/DB|≤1.8
    1.0≤|fC/DC|≤2.0
    2.5≤|fD/DD|≤3.5
  4. 4. big thang-kng amount high-resolution zoom camera lens according to claim 3, it is characterised in that：Second negative lens group B moving range LB, the 3rd positive lens groups C moving range LC, system overall length Lt, meet following condition：
    0.2≤LB/Lt≤0.3
    0.1≤LC/Lt≤0.2
  5. 5. big thang-kng amount high-resolution zoom camera lens according to claim 4, it is characterised in that：During in order to correct focal length Second order spectrum, crescent moon positive lens A-2 and crescent moon positive lens A-4 use unusual glass, respectively H-FK61 and H-FK71.
  6. 6. big thang-kng amount high-resolution zoom camera lens according to claim 5, it is characterised in that：During in order to correct short focus Spherical aberration, the 4th negative lens group D use five chips.
  7. 7. big thang-kng amount high-resolution zoom camera lens according to claim 5, it is characterised in that：It is curved in order to balance the curvature of field Use low-refraction field lens moon negative lens D-3, its refractive index is 1.49.
  8. 8. big thang-kng amount high-resolution zoom camera lens according to claim 5, it is characterised in that：In order to reduce zoom group B Deflection of light, the second negative lens group B all glass are all glass of high refractive index, minimum refractive index 1.79.
CN201710895689.2A 2017-09-28 2017-09-28 Big thang-kng amount high-resolution zoom camera lens Pending CN107544131A (en)

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Application Number Priority Date Filing Date Title
CN201710895689.2A CN107544131A (en) 2017-09-28 2017-09-28 Big thang-kng amount high-resolution zoom camera lens

Publications (1)

Publication Number Publication Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020064153A (en) * 2018-10-16 2020-04-23 富士フイルム株式会社 Zoom lens and imaging apparatus

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102890337A (en) * 2012-09-26 2013-01-23 福建福光数码科技有限公司 Varifocal pick-up lens with high zoom ratio, high resolution rate and strong fog penetration function
CN105068227A (en) * 2015-09-23 2015-11-18 福建福光股份有限公司 Miniature high-definition through-fog zoom pick-up lens and control method thereof
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
CN106597649A (en) * 2016-11-25 2017-04-26 福建福光股份有限公司 High-resolution and strong-fog-penetrating television camera zoom lens

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102890337A (en) * 2012-09-26 2013-01-23 福建福光数码科技有限公司 Varifocal pick-up lens with high zoom ratio, high resolution rate and strong fog penetration function
CN105068227A (en) * 2015-09-23 2015-11-18 福建福光股份有限公司 Miniature high-definition through-fog zoom pick-up lens and control method thereof
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
CN106597649A (en) * 2016-11-25 2017-04-26 福建福光股份有限公司 High-resolution and strong-fog-penetrating television camera zoom lens

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2020064153A (en) * 2018-10-16 2020-04-23 富士フイルム株式会社 Zoom lens and imaging apparatus
JP7043384B2 (en) 2018-10-16 2022-03-29 富士フイルム株式会社 Zoom lens and image pickup device

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Application publication date: 20180105