CN116626870B - Super-high definition close-up zoom lens - Google Patents
Super-high definition close-up zoom lens Download PDFInfo
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- CN116626870B CN116626870B CN202310922052.3A CN202310922052A CN116626870B CN 116626870 B CN116626870 B CN 116626870B CN 202310922052 A CN202310922052 A CN 202310922052A CN 116626870 B CN116626870 B CN 116626870B
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- 230000005499 meniscus Effects 0.000 claims description 64
- 238000003384 imaging method Methods 0.000 claims description 11
- 238000004026 adhesive bonding Methods 0.000 claims description 9
- 125000005647 linker group Chemical group 0.000 claims description 8
- 238000004378 air conditioning Methods 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000003292 glue Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 3
- 230000004075 alteration Effects 0.000 description 9
- 230000008901 benefit Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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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 discloses an ultra-high definition near-shooting zoom lens, which belongs to the technical field of optical lenses and comprises a front fixed group A of positive diopter, a variable magnification group B of negative diopter, a fixed diaphragm C, a middle fixed group D of positive diopter, a compensation group E of positive diopter and a rear fixed group F of positive diopter which are sequentially arranged from an object side to an image side.
Description
Technical Field
The invention belongs to the technical field of optical lenses, and particularly relates to an ultra-high definition close-up zoom lens.
Background
With the development of automation technology, an automated visual monitoring and detecting system in manufacturing processes such as PCB, FPC, dense component soldering and the like in the electronic industry, a visual system of industrial automation equipment, a visual system of video display equipment and the like. The original fixed focus lens in the systems cannot meet the compatibility and flexibility requirements of an automatic system, and a special lens is lacking in the aspect of a zoom lens; the method of adding an additional lens to the zoom lens of the monitoring all-in-one machine is generally used at present, and the method brings the result that the multiplying power of the lens is reduced under the condition of close shooting, the integral resolution of the lens is reduced more after the additional lens is added, the imaging quality of the lens is lower, and the length of the lens is increased and the cost is increased.
Disclosure of Invention
In order to overcome the defects, the invention provides an ultra-high definition close-up zoom lens, which adopts the structural cooperation of a zoom group and a compensation group, increases a rear fixed group, effectively reduces system aberration, obviously improves resolution under the condition of close-up, adopts a front fixed group four-piece structure, increases a positive meniscus lens, effectively improves the short-focus large-view field edge and the long-focus full-view field aberration of the system, adopts high-refractive index materials for the zoom group, the middle fixed group and the compensation group, ensures that the system structure is more compact, obviously improves the resolution of a lens image under the condition of ensuring that the angle of view, the distortion and the total length are basically unchanged, ensures the cost advantage, and adopts five group structures of the front fixed group, the zoom group, the middle fixed group and the compensation group, so that the lens obtains large magnification under the requirement of a compact structure.
The technical scheme adopted by the invention for achieving the purpose is as follows: an ultra-high definition telephoto zoom lens is provided. The zoom lens comprises a front fixed group A of positive diopter, a variable magnification group B of negative diopter, a fixed diaphragm C, a middle fixed group D of positive diopter, a compensation group E of positive diopter and a rear fixed group F of positive diopter which are sequentially arranged from an object side to an image side, wherein an imaging target surface G is arranged on the image side, and the zoom lens adopts five group structures of the front fixed group A, the variable magnification group B, the middle fixed group D, the compensation group E and the rear fixed group F;
the front fixed group A comprises a negative meniscus lens A-1, a positive meniscus lens A-2 and a positive meniscus lens A-3, and a positive meniscus lens A-4 which are sequentially arranged from the object side to the image side, wherein the front fixed group A only has the refractive index of the four lenses;
the zoom group B comprises a negative meniscus lens B-1, a biconcave lens B-2 and a biconvex lens B-3 which are sequentially arranged from the object side to the image side, and a biconcave lens B-4, wherein the zoom group B only has the refractive index of the four lenses;
the middle fixed group D comprises a positive meniscus lens D-1, a positive meniscus lens D-2 and a plano-concave lens D-3 which are sequentially arranged from the object side to the image side, and only the three lenses of the middle fixed group D have refractive indexes;
the compensation group E comprises a biconvex lens E-1 and a negative meniscus lens E-2 which are sequentially arranged from the object side to the image side, and only the two lenses of the compensation group E have refractive indexes;
the rear fixed group F comprises plano-convex lenses F-1 arranged in sequence from the object side to the image side, and only one lens of the rear fixed group F has refractive index.
According to the ultra-high-definition close-up zoom lens, the further preferable technical scheme is as follows: the negative meniscus lens A-1 and the positive meniscus lens A-2 are closely adhered to form a first adhering group; the biconvex lens B-3 and the biconcave lens B-4 are closely adhered and glued to form a second gluing group; the biconvex lens E-1 and the negative meniscus lens E-2 are closely adhered and glued to form a third gluing group.
According to the ultra-high-definition close-up zoom lens, the further preferable technical scheme is as follows: the moving range of the lens from the wide-angle end to the telescopic end is 28.8mm, namely the interval between the front fixed group A and the variable-magnification group B is 0.65-29.45 mm; the moving range of the compensation group E is 10.45mm, namely, the interval between the middle fixed group D and the compensation group E is 5-15.45 mm.
According to the ultra-high-definition close-up zoom lens, the further preferable technical scheme is as follows: the front fixed group A combined focal length satisfies the following conditions: 42.7mm<f A <50.1mm; the zoom group B combined focal length satisfies the following conditions: -10.5mm<f B <-9.0mm；
The intermediate fixed group D combined focal length satisfies: 28.9mm<f D <33.9mm; the compensation group E combination focal length satisfies the following conditions: 20.9mm<f E <24.5mm; the rear fixed group F combination focal length satisfies: 20.2mm<f F <23.7mm。
According to the ultra-high-definition close-up zoom lens, the further preferable technical scheme is as follows: the air distance between the first gluing group and the positive meniscus lens A-3 is 0.15mm; the air distance between the positive meniscus lens A-3 and the positive meniscus lens A-4 is 0.15mm;
a kind of electronic device with high-pressure air-conditioning system: the air distance between the negative meniscus lens B-1 and the biconcave lens B-2 is 5.13mm; the air distance between the biconcave lens B-2 and the second bonding group is 0.15mm;
a kind of electronic device with high-pressure air-conditioning system: the air distance between the positive meniscus lens D-1 and the positive meniscus lens D-2 is 0.15mm; the air distance of the positive meniscus lens D-2 from the plano-concave lens D-3 was 0.135mm.
According to the ultra-high-definition close-up zoom lens, the further preferable technical scheme is as follows: when the lens moves from the wide-angle end to the telescopic end, the moving direction of the variable magnification group B moves towards the imaging target surface G, and the moving direction of the compensation group E moves away from the imaging target surface G.
Compared with the prior art, the technical scheme of the invention has the following advantages/beneficial effects:
1. the invention adopts the structural cooperation of the zoom group and the compensation group, increases the rear fixed group, effectively reduces the aberration of the system, and obviously improves the resolution of the lens under the condition of close-up.
2. The front fixing group adopts a four-piece structure, and a positive meniscus lens is added, so that the short-focus large-view-field edge and the long-focus full-view-field aberration of the system are effectively improved.
3. The zoom group, the middle fixed group and the compensation group of the invention use high refractive index materials, so that the system structure is more compact, and the resolution of the lens image can be obviously improved and the cost advantage can be ensured under the condition that the angle of view, distortion and total length are basically unchanged.
4. The invention adopts five group structures of the front fixed group, the variable magnification group, the middle fixed group and the compensation group, and can lead the lens to obtain large magnification under the requirement of a compact structure.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of an optical system of an ultra-high definition zoom lens according to the present invention.
Fig. 2 is a graph of MTF at the shortest focal point W of the present invention.
Fig. 3 is a graph of MTF at the longest focus T of the present invention.
Fig. 4 is a Spot Diagram of the present invention at the shortest focal point W.
Fig. 5 is a Spot Diagram of the present invention at the longest focus T.
Fig. 6 is a graph of the Ray Fan at the shortest focal point W of the present invention.
Fig. 7 is a graph of the Ray Fan at the longest focus T of the present invention.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Accordingly, the detailed description of the embodiments of the invention provided below is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus, once an item is defined in one figure, it may not be further defined and explained in the following figures.
Examples:
referring to fig. 1 to 7, the ultra-high definition zoom lens of the present embodiment has the advantages of high resolution, high imaging quality, and good image quality, and specifically includes:
the front fixed group A has positive focal power and comprises a negative meniscus lens A-1, a positive meniscus lens A-2, a positive meniscus lens A-3 and a positive meniscus lens A-4 which are sequentially arranged from the object side to the image side. The front fixed group of the embodiment is used for front focusing of light rays; the front fixed group is of a four-piece structure, and a positive meniscus lens is added, so that the short-focus large-view-field edge and long-focus full-view-field aberration of the system are effectively improved.
The zoom group B has negative focal power, is arranged between the front fixed group A and the image side, and comprises a negative meniscus lens B-1, a biconcave lens B-2, a biconvex lens B-3 and a biconcave lens B-4 which are sequentially arranged from the object side to the image side. The zoom group of the embodiment has the function of changing the focal length of the system by moving the zoom group; the biconcave lens B-2 is added in the variable power group B to correct the high-order aberration of the tele.
The fixed diaphragm C is arranged between the variable magnification group B and the image side. The fixed diaphragm of the present embodiment functions to control the size of the lens luminous flux.
The middle fixed group D, which has positive focal power, is arranged between the fixed diaphragm C and the image side, and comprises a positive meniscus lens D-1, a positive meniscus lens D-2 and a plano-concave lens D-3 which are sequentially arranged from the object side to the image side.
The compensation group E, which has positive focal power, is arranged between the middle fixed group D and the image side, and comprises a biconvex lens E-1 and a negative meniscus lens E-2 which are sequentially arranged from the object side to the image side. The compensation group of the present embodiment is used to compensate for the image plane offset caused by the zoom group movement.
The rear fixed group F, which has positive focal power and is arranged between the compensation group E and the image side, comprises plano-convex lenses F-1 which are sequentially arranged from the object side to the image side. The embodiment adopts the additional post-fixation group, so that the resolution of the lens is obviously improved under the condition of close-up.
Image plane G. The image plane of this embodiment is where the image receiver is placed.
Specifically, the negative meniscus lens A-1 and the positive meniscus lens A-2 are closely adhered to form a first adhering group;
the biconvex lens B-3 and the biconcave lens B-4 are closely adhered and glued to form a second gluing group;
the biconvex lens E-1 and the negative meniscus lens E-2 are closely adhered and glued to form a third gluing group;
the gluing group of the embodiment can better correct the primary high-grade aberration of the chromatic aberration of the lens and improve the imaging quality of the lens.
When the lens moves from the wide-angle end to the telescopic end, the moving direction of the variable magnification group B moves towards the imaging target surface G, and the moving direction of the compensation group E moves away from the imaging target surface G.
The moving range of the lens from the wide-angle end to the telescopic end is 28.8mm, namely the interval between the front fixed group A and the variable-magnification group B is 0.65-29.45 mm; the moving range of the compensation group E is 10.45mm, namely, the interval between the middle fixed group D and the compensation group E is 5-15.45 mm.
The front fixed group a combined focal length satisfies: 42.7mm<f A <50.1mm；
The zoom group B combined focal length satisfies the following conditions: -10.5mm<f B <-9.0mm；
The intermediate fixed group D combined focal length satisfies: 28.9mm<f D <33.9mm；
The compensation group E combination focal length satisfies the following conditions: 20.9mm<f E <24.5mm；
The rear fixed group F combination focal length satisfies: 20.2mm<f F <23.7mm。
The air distance between the first gluing group and the positive meniscus lens A-3 is 0.15mm;
the air distance between the positive meniscus lens A-3 and the positive meniscus lens A-4 is 0.15mm;
a kind of electronic device with high-pressure air-conditioning system:
the air distance between the negative meniscus lens B-1 and the biconcave lens B-2 is 5.13mm;
the air distance between the biconcave lens B-2 and the second bonding group is 0.15mm;
a kind of electronic device with high-pressure air-conditioning system:
the air distance between the positive meniscus lens D-1 and the positive meniscus lens D-2 is 0.15mm;
the air distance of the positive meniscus lens D-2 from the plano-concave lens D-3 was 0.135mm.
The physical parameters of each lens of this example meet the data requirements shown in table 1:
TABLE 1
As shown in the table above, the surfaces 1, 2, 3 correspond to the first bonding group (the bonding of the moon lens a-1 and the positive meniscus lens a-2 constitutes the first bonding group), the surfaces 4, 5 correspond to the positive meniscus lens a-3, the surfaces 6, 7 correspond to the positive meniscus lens a-4, the surfaces 8, 9 correspond to the negative meniscus lens B-1, the surfaces 10, 11 correspond to the biconcave lens B-2, the surfaces 12, 13, 14 correspond to the second bonding group (the bonding of the biconvex lens B-3 and the biconcave lens B-4 constitutes the second bonding group), the surfaces 16, 17 correspond to the positive meniscus lens D-1, the surfaces 18, 19 correspond to the positive meniscus lens D-2, the surfaces 20, 21 correspond to the plano-concave lens D-3, the surfaces 22, 23, 24 correspond to the third bonding group (the bonding of the biconvex lens E-1 and the negative meniscus lens E-2), and the surfaces 25, 26 correspond to the plano-convex lens F-1.
As shown in fig. 1 and table 1, the ultra-high definition zoom lens of the present embodiment finally realizes a zoom effect of a focal length from 5.1mm to 92mm in the case of close-up 30 mm.
Fig. 2, 4 and 6 show the MTF curve, spot Diagram and Fan Ray Fan at the short focus of the present embodiment, and give the results of 0mm image height (center field of view), 1.5mm image height (0.43 field of view), 2.5mm image height (0.71 field of view), 3mm image height (0.86 field of view) and 3.5mm image height (edge field of view), which comprehensively expresses that the present embodiment achieves the 800 ten thousand pixel image effect at the short focus.
Fig. 3, 5 and 7 show the MTF curve, spot Diagram and Fan Ray Fan at the long focal point of the present embodiment, and give the results of 0mm image height (center field of view), 1.5mm image height (0.43 field of view), 2.5mm image height (0.71 field of view), 3mm image height (0.86 field of view) and 3.5mm image height (edge field of view), which comprehensively expresses that the present embodiment achieves the 500 ten thousand pixel image effect at the short focal point.
As shown in fig. 2 to 7, the lens combination in the embodiment enables the resolution of the lens to be significantly improved under the condition of close-up, and effectively improves the short-focus large-field-of-view edge and the long-focus full-field-of-view aberration of the system.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply indicating that the first feature is at a lower level than the second feature.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that the above-mentioned preferred embodiment should not be construed as limiting the invention, and the scope of the invention should be defined by the appended claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (6)
1. The ultra-high definition near-field zoom lens is characterized by comprising a front fixed group A with positive diopter, a variable magnification group B with negative diopter, a fixed diaphragm C, a middle fixed group D with positive diopter, a compensation group E with positive diopter and a rear fixed group F with positive diopter which are sequentially arranged from an object side to an image plane side, wherein an imaging target surface G is arranged on the image plane side;
the front fixed group A comprises a negative meniscus lens A-1, a positive meniscus lens A-2 and a positive meniscus lens A-3, and a positive meniscus lens A-4 which are sequentially arranged from the object side to the image side, wherein the front fixed group A only has the refractive index of the four lenses;
the zoom group B comprises a negative meniscus lens B-1, a biconcave lens B-2 and a biconvex lens B-3 which are sequentially arranged from the object side to the image side, and a biconcave lens B-4, wherein the zoom group B only has the refractive index of the four lenses;
the middle fixed group D comprises a positive meniscus lens D-1, a positive meniscus lens D-2 and a plano-concave lens D-3 which are sequentially arranged from the object side to the image side, and only the three lenses of the middle fixed group D have refractive indexes;
the compensation group E comprises a biconvex lens E-1 and a negative meniscus lens E-2 which are sequentially arranged from the object side to the image side, and only the two lenses of the compensation group E have refractive indexes;
the rear fixed group F comprises plano-convex lenses F-1 arranged in sequence from the object side to the image side, and only one lens of the rear fixed group F has refractive index.
2. The ultra-high definition telephoto zoom lens according to claim 1, wherein the negative meniscus lens a-1 and the positive meniscus lens a-2 are closely adhered to form a first adhesive group; the biconvex lens B-3 and the biconcave lens B-4 are closely adhered and glued to form a second gluing group; the biconvex lens E-1 and the negative meniscus lens E-2 are closely adhered and glued to form a third gluing group.
3. The ultra-high-definition telephoto zoom lens according to claim 1, wherein a movement range of the lens from the wide-angle end to the telephoto end is 28.8mm, i.e., a spacing between the front fixed group a and the zoom group B is 0.65 to 29.45mm; the moving range of the compensation group E is 10.45mm, namely, the interval between the middle fixed group D and the compensation group E is 5-15.45 mm.
4. The ultra-high definition telephoto zoom lens of claim 1, wherein the front fixed group a combined focal length satisfies: 42.7mm<f A <50.1mm; the zoom group B combined focal length satisfies the following conditions: -10.5mm<f B <-9.0mm；
The intermediate fixed group D combined focal length satisfies: 28.9mm<f D <33.9mm; the compensation group E combination focal length satisfies the following conditions: 20.9mm<f E <24.5mm; the rear fixed group F combination focal length satisfies: 20.2mm<f F <23.7mm。
5. The ultra-high definition telephoto zoom lens according to claim 2, wherein the air distance of the first glue group from the positive meniscus lens a-3 is 0.15mm; the air distance between the positive meniscus lens A-3 and the positive meniscus lens A-4 is 0.15mm;
a kind of electronic device with high-pressure air-conditioning system: the air distance between the negative meniscus lens B-1 and the biconcave lens B-2 is 5.13mm; the air distance between the biconcave lens B-2 and the second bonding group is 0.15mm;
a kind of electronic device with high-pressure air-conditioning system: the air distance between the positive meniscus lens D-1 and the positive meniscus lens D-2 is 0.15mm; the air distance of the positive meniscus lens D-2 from the plano-concave lens D-3 was 0.135mm.
6. The ultra-high definition telephoto zoom lens according to claim 1, wherein the zoom group B moves in a direction toward the imaging target surface G and the compensation group E moves in a direction away from the imaging target surface G when the lens is moved from the wide-angle end to the telephoto end.
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| JP2003215454A (en) * | 2002-01-25 | 2003-07-30 | Sigma Corp | Zoom lens |
| US7113346B1 (en) * | 2005-05-10 | 2006-09-26 | Konica Minolta Photo Imaging, Inc. | Variable magnification optical system |
| JP2009047903A (en) * | 2007-08-20 | 2009-03-05 | Sony Corp | Zoom lens and imaging apparatus |
| CN101726841A (en) * | 2008-10-23 | 2010-06-09 | 富士能株式会社 | Zoom lens and camera device |
| CN101988986A (en) * | 2009-07-29 | 2011-03-23 | 富士胶片株式会社 | Zoom lens |
| JP2013037063A (en) * | 2011-08-04 | 2013-02-21 | Canon Inc | Zoom lens and imaging apparatus including the same |
| CN104898260A (en) * | 2014-03-05 | 2015-09-09 | 佳能株式会社 | Zoom lens and image pickup apparatus including the same |
| CN106556924A (en) * | 2015-09-24 | 2017-04-05 | 佳能株式会社 | Zoom lens and the image pick-up device including it |
| CN106990514A (en) * | 2015-11-04 | 2017-07-28 | 佳能株式会社 | Zoom lens and the image pick-up device including zoom lens |
| JP2023033114A (en) * | 2021-08-27 | 2023-03-09 | 富士フイルム株式会社 | Zoom lens and imaging apparatus |
| CN114815192A (en) * | 2022-04-22 | 2022-07-29 | 嘉兴中润光学科技股份有限公司 | Zoom lens and imaging device |
| CN115421285A (en) * | 2022-09-05 | 2022-12-02 | 成都优视光电技术有限公司 | Ultra-high-definition video zoom lens |
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| CN116626870A (en) | 2023-08-22 |
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