CN107957622A - A kind of focal length zoom lens of the big image planes of large aperture - Google Patents
A kind of focal length zoom lens of the big image planes of large aperture Download PDFInfo
- Publication number
- CN107957622A CN107957622A CN201810008623.1A CN201810008623A CN107957622A CN 107957622 A CN107957622 A CN 107957622A CN 201810008623 A CN201810008623 A CN 201810008623A CN 107957622 A CN107957622 A CN 107957622A
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- lens
- focal length
- lens group
- positive light
- light coke
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- 239000000571 coke Substances 0.000 claims abstract description 37
- 230000003287 optical effect Effects 0.000 claims abstract description 24
- 230000005499 meniscus Effects 0.000 claims description 9
- 238000009738 saturating Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 2
- 239000011521 glass Substances 0.000 abstract description 5
- 238000003384 imaging method Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Classifications
-
- 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 +-+
Abstract
The present invention provides a kind of focal length zoom lens of the big image planes of large aperture, a kind of focal length zoom lens of the big image planes of large aperture, including the preceding fixed lens group with positive light coke, the Zoom lens group with negative power, the rear fixed lens group with positive light coke and the offset lens group with positive light coke being arranged in order along optical axis from object space to image space, Zoom lens group meets following conditional with the offset lens group：0.5<∣Ff/Bf∣<3, wherein, Ff is the focal length of offset lens group, and Bf is the focal length of Zoom lens group.The present invention is the focal length zoom lens using 15 pieces of glass spheric glasses, its maximum ring reaches F1.2, maximum image planes 1/1.7 "; resolution ratio reaches eight mega pixels, 10 40mm of focal range, and optics overall length is less than 100mm; and has good imaging quality, relative aperture greatly and has the advantages that constant aperture.
Description
Technical field
The present invention relates to lens technology field, more particularly to a kind of focal length zoom lens of the big image planes of large aperture.
Background technology
Telephoto lens possess it is stronger take the photograph remote ability, therefore be widely used in long distance monitoringv.Long distance monitoringv need compared with
Big thang-kng amount just can guarantee that the brightness of image, it is therefore desirable to which camera lens possesses big clear aperature.But focal length common at present
Zoom lens aperture is generally F2.0 or so, and thang-kng amount is smaller.Generally use infrared lamp carries out light filling in low light conditions, still
Overall picture quality is with regard to poor in the environment of the infrared light of extra long distance can not reach.It is therefore desirable to research and develop one kind
Maximum image planes are more than 1/1.7 ", maximum ring can reach F1.2 focal length zoom lens collocation 1/1.7 " high sensitivity be imaged core
Piece, is not required infrared lamp light filling also to obtain clearly bright image in low light conditions.
The content of the invention
The present invention provides a kind of focal length zoom lens of the big image planes of large aperture, overcomes the deficiencies in the prior art.
In order to solve the above-mentioned technical problem, the technical solution used in the present invention is：
A kind of focal length zoom lens of the big image planes of large aperture, including have just along optical axis from what object space to image space was arranged in order
The preceding fixed lens group of focal power, the Zoom lens group with negative power, the rear fixed lens group with positive light coke and tool
There is the offset lens group of positive light coke, the Zoom lens group meets following conditional with the offset lens group：
0.5<∣Ff/Bf∣<3,
Wherein, Ff is the focal length of offset lens group, and Bf is the focal length of Zoom lens group.
Further, the preceding fixed lens group and rear fixed lens group meet following conditional with whole camera lens respectively：
3<∣Qf/Wf∣<8；0.8<∣Qf/Tf∣<3.5
1<∣Gf/Wf∣<6；0.4<∣Gf/Tf∣<3,
Wherein, Qf is the focal length of preceding fixed lens group, and Gf is the focal length of rear fixed lens group, and Wf and Tf represent whole respectively
A camera lens is in the focal length of focal length most weakness and the focal length in focal length most strong point.
Further, the preceding fixed lens group includes having negative light focus along optical axis from what object space to image space was arranged in order
The first lens, the second lens with positive light coke and the 3rd lens with negative power of degree.
Preferably, first lens and the second lens are glued forms the first balsaming lens, and first lens are convex-concave
Lens, second lens are biconvex lens, and the 3rd lens are meniscus.
Further, the Zoom lens group includes having negative power along optical axis from what object space to image space was arranged in order
The 4th lens, the 5th lens with negative power and the 6th lens with positive light coke.
Preferably, the 5th lens and the 6th lens are glued forms the second balsaming lens, and the 4th lens are concave-concave
Lens, the 5th lens are biconcave lens, and the object side surface of the 6th lens is convex surface, its image interface is convex surface, puts down
One kind in face and concave surface.
Further, the rear fixed lens group includes having positive light focus along optical axis from what object space to image space was arranged in order
The 7th lens, the 8th lens with positive light coke, the 9th lens with positive light coke and the with negative power of degree
Ten lens.
Preferably, the 9th lens and the tenth lens are glued forms the 3rd balsaming lens, and the 7th lens are biconvex
Lens, the 9th lens are biconvex lens, and the tenth lens are biconcave lens, and the object side surface of the 8th lens is convex
Face, its image interface are one kind in convex surface, plane and concave surface.
Further, the offset lens group includes having negative power along optical axis from what object space to image space was arranged in order
The 11st lens, the 12nd lens with positive light coke, the 13rd lens with negative power, with positive light coke
14th lens and the 15th lens with positive light coke
Preferably, the 11st lens and the 12nd lens are glued forms the 4th balsaming lens, the 13rd lens
With the 14th lens the 5th balsaming lens of glued formation, the 11st lens are biconcave lens, and the 12nd lens are double
Convex lens, the 13rd lens are meniscus, and the 14th lens are biconvex lens, and the 15th lens are convex-concave
Lens.
The present invention provides a kind of focal length zoom lens of the big image planes of large aperture, a kind of focal length varifocal mirror of the big image planes of large aperture
Head, including be arranged in order along optical axis from object space to image space the preceding fixed lens group with positive light coke, with negative power
Zoom lens group, the rear fixed lens group with positive light coke and the offset lens group with positive light coke, the Zoom lens
Group meets following conditional with the offset lens group：0.5<∣Ff/Bf∣<3, wherein, Ff is the focal length of offset lens group, and Bf is
The focal length of Zoom lens group.The present invention is the focal length zoom lens using 15 pieces of glass spheric glasses, its maximum ring reaches
F1.2, maximum image planes 1/1.7 ", resolution ratio reaches eight mega pixels, focal range 10-40mm, and optics overall length is less than 100mm, and
With good imaging quality, relative aperture is big and has the advantages that constant aperture.
Brief description of the drawings
Fig. 1 is that structure when a kind of focal length zoom lens embodiment of the big image planes of large aperture of the present invention is in shortest focal length is shown
It is intended to；
Fig. 2 is that structure when a kind of focal length zoom lens embodiment of the big image planes of large aperture of the present invention is in longest focal length is shown
It is intended to.
Embodiment
Below in conjunction with the accompanying drawings, embodiments of the present invention are specifically illustrated, attached drawing is only for reference and explanation uses, and does not form pair
The limitation of scope of patent protection of the present invention.
As depicted in figs. 1 and 2, the focal length zoom lens of the big image planes of a kind of large aperture, including along optical axis from object space to image space
The preceding fixed lens group with positive light coke that is arranged in order, the Zoom lens group with negative power, with positive light coke
Fixed lens group and the offset lens group with positive light coke afterwards, the Zoom lens group meet as follows with the offset lens group
Conditional：
0.5<∣Ff/Bf∣<3,
Wherein, Ff is the focal length of offset lens group, and Bf is the focal length of Zoom lens group.
As further improvement of this embodiment, the preceding fixed lens group and rear fixed lens group respectively with whole camera lens
Meet following conditional：
3<∣Qf/Wf∣<8；0.8<∣Qf/Tf∣<3.5
1<∣Gf/Wf∣<6；0.4<∣Gf/Tf∣<3,
Wherein, Qf is the focal length of preceding fixed lens group, and Gf is the focal length of rear fixed lens group, and Wf and Tf represent whole respectively
A camera lens is in the focal length of focal length most weakness and the focal length in focal length most strong point, is preceding fixation of the zoom group adjusting to camera lens
The leftmost side and the rightmost side between lens group and rear fixed lens group.
As further improvement of this embodiment, the preceding fixed lens group includes arranging successively from object space to image space along optical axis
The first lens 1 with negative power, the second lens 2 with positive light coke and the 3rd lens 3 with negative power of row.
In the present embodiment, 1 and second lens of the first lens 2 are glued to form the first balsaming lens, first lens 1
For meniscus, second lens 2 are biconvex lens, and the 3rd lens 3 are meniscus.First balsaming lens and the 3rd
Lens 3 pass through spacer ring close-fitting.
As further improvement of this embodiment, the Zoom lens group includes being arranged in order along optical axis from object space to image space
The 4th lens 4, the 5th lens 5 with negative power and the 6th lens 6 with positive light coke with negative power.
In the present embodiment, the 5th lens 5 and the 6th lens 5 are glued to form the second balsaming lens, the 4th lens 4
For biconcave lens, the 5th lens 5 are biconcave lens, and the object side surface of the 6th lens 6 is convex surface, its image interface is
One kind in convex surface, plane and concave surface.Second balsaming lens is directly abutted against with the 4th lens 4.
As further improvement of this embodiment, the rear fixed lens group includes arranging successively from object space to image space along optical axis
The 7th lens 7, the 8th lens 8 with positive light coke, 9 and of the 9th lens with positive light coke with positive light coke of row
The tenth lens 10 with negative power.The image space side of 7th lens 7 is provided with diaphragm, and stop position can be according to specifically setting
Count close-fitting.
In the present embodiment, the 9th lens 9 and the tenth lens 10 are glued to form the 3rd balsaming lens, the 7th lens
7 be biconvex lens, and the 9th lens 9 are biconvex lens, and the tenth lens 10 are biconcave lens, the 8th lens 8
Object side surface is convex surface, its image interface is one kind in convex surface, plane and concave surface.Seven, the 8th lens pass through spacer ring close-fitting；
Eight, the 9th lens pass through spacer ring close-fitting.
As further improvement of this embodiment, the offset lens group includes being arranged in order along optical axis from object space to image space
The 11st lens 11 with negative power, the 12nd lens 12 with positive light coke, the with negative power the 13rd
Lens 13, the 14th lens 14 with positive light coke and the 15th lens 15 with positive light coke.
In the present embodiment, the 11st lens 11 and the 12nd lens 12 are glued to form the 4th balsaming lens, and described the
13 lens 13 and the 5th balsaming lens of glued formation of the 14th lens 14, the 11st lens 11 are biconcave lens, described
12nd lens 12 are biconvex lens, and the 13rd lens 13 are meniscus, and the 14th lens 14 are biconvex lens,
15th lens 15 are meniscus, and the 15th lens 15 and the 14th lens 14 pass through spacer ring close-fitting.
All lens are by using ultra-low dispersion eyeglass so that camera lens aberration substantially reduces, improve camera lens into image quality
Amount.
When lens select, the focal length and refractive index of 1 to the 15th lens 15 of the first lens can select following scope：
Wherein, f1 to f15 represents the focal length of lens of 1 to the 15th lens 15 of the first lens, n1 to n15 respectively in order
Represent the refractive index of 1 to the 15th lens 15 of the first lens respectively in order.
In the present embodiment, the physical optical parameter of 1 to the 15th lens 15 of the first lens is as shown in the table：
| Face sequence number | Face type | R(mm) | D(mm) | Nd |
| S1 | Sphere | 95 | 1.3 | 1.84 |
| S2&S3 | Sphere | 45.9 | 5.7 | 1.55 |
| S4 | Sphere | -220 | 0.2 | |
| S5 | Sphere | 30.3 | 4.1 | 1.6 |
| S6 | Sphere | 64.2 | Airspace is variable | |
| S7 | Sphere | -248 | 0.8 | 1.71 |
| S8 | Sphere | 13 | 3.75 | |
| S9 | Sphere | -28.85 | 3.9 | 1.48 |
| S10&S11 | Sphere | 18.2 | 3.1 | 1.85 |
| S12 | Sphere | 161 | Airspace is variable | |
| S13 | Sphere | 110.7 | 2.9 | 1.71 |
| S14 | Sphere | -59.3 | 0.1 | |
| Diaphragm | Plane | PL | Airspace is variable | |
| S16 | Sphere | 26.7 | 2.6 | 1.5 |
| S17 | Sphere | 231 | 0.1 | |
| S18 | Sphere | 18.64 | 7.2 | 1.5 |
| S19&S20 | Sphere | -19.85 | 1.5 | 1.65 |
| S21 | Sphere | 15.75 | Airspace is variable | |
| S22 | Sphere | -33.7 | 1 | 1.65 |
| S23&S24 | Sphere | 12.7 | 3.2 | 1.85 |
| S25 | Sphere | -34.2 | 0.1 | |
| S26 | Sphere | 165 | 1.5 | 1.85 |
| S27&S28 | Sphere | 10.9 | 3.7 | 1.5 |
| S29 | Sphere | -30.6 | 0.1 | |
| S30 | Sphere | 13.3 | 6.8 | 1.8 |
| S31 | Sphere | 22.1 | Airspace is variable | |
| S32 | Image planes | PL | ||
Wherein, R is surface central radius size, and negative sign "-" represents direction, and (it is concave surface that object side surface is corresponding, image space
Corresponding surface is then convex surface), D is to correspond to optical surface to next optical surface in the distance on optical axis；Nd corresponds to eyeglass in d
The refractive index of light (wavelength 587nm).
S1 is the object side surface of the first balsaming lens, and S2＆S3 is the cemented surface of the first balsaming lens, and S4 is glued saturating for first
The image interface of mirror；S5 and S6 is the object side surface and image interface of the 3rd lens 3；S7 and S8 is the object space table of the 4th lens 4
Face and image interface；S9 is the object side surface of the second balsaming lens, and S10＆S11 is the cemented surface of the second balsaming lens, S12 the
The image interface of two balsaming lens；S13 and S14 is the object side surface and image interface of the 7th lens 7；Diaphragm represents diaphragm institute
In optical flat；S16 and S17 is the object side surface and image interface of the 8th lens 8；S18 is the object space table of the 3rd balsaming lens
Face, S19＆S20 are the cemented surface of the 3rd balsaming lens, and S21 is the image interface of the 3rd balsaming lens；S22 is glued saturating for the 4th
The object side surface of mirror, S23＆S24 are the cemented surface of the 4th balsaming lens, and S25 is the image interface of the 4th balsaming lens；S26 is
The object side surface of 5th balsaming lens, S27＆S28 are the cemented surface of the 5th balsaming lens, and S29 is the image space of the 5th balsaming lens
Surface；S30 and S31 is the object side surface and image interface of the 15th lens 15；S32 faces where imager chip.Form is got the bid
Note and represented for " airspace is variable " in focussing process, the distance of two optical surfaces can change.
In actual focussing process, it can become by varying the relative position of Zoom lens group and offset lens group to reach
Burnt purpose, focal length zoom ratio scope are 3-10 times.Specifically, Zoom lens group is overall in preceding fixed lens group and rear fixed saturating
Focus in microscope group along optical axis back-and-forth motion, while the relatively rear fixed lens group of compensation group can be made to move back and forth and carried out
Compensation.
The present invention is reached by using above-mentioned 15 pieces of glass sphere lens sets into a focal length zoom lens, its maximum ring
To F1.2, maximum image planes 1/1.7 ", resolution ratio reaches eight mega pixels, focal range 10-40mm, and optics overall length is less than 100mm.
Above disclosed is only presently preferred embodiments of the present invention, it is impossible to the rights protection model of the present invention is limited with this
Enclose, therefore the equivalent variations made according to scope of the present invention patent, it is still within the scope of the present invention.
Claims (10)
- A kind of 1. focal length zoom lens of the big image planes of large aperture, it is characterised in that：Including being arranged successively from object space to image space along optical axis The preceding fixed lens group with positive light coke of row, the Zoom lens group with negative power, the rear fixation with positive light coke Lens group and the offset lens group with positive light coke, the Zoom lens group meet following condition with the offset lens group Formula：0.5<∣Ff/Bf∣<3,Wherein, Ff is the focal length of offset lens group, and Bf is the focal length of Zoom lens group.
- A kind of 2. focal length zoom lens of the big image planes of large aperture according to claim 1, it is characterised in that：It is fixed before described Lens group and rear fixed lens group meet following conditional with whole camera lens respectively：3<∣Qf/Wf∣<8；0.8<∣Qf/Tf∣<3.51<∣Gf/Wf∣<6；0.4<∣Gf/Tf∣<3,Wherein, Qf is the focal length of preceding fixed lens group, and Gf is the focal length of rear fixed lens group, and Wf and Tf represent whole mirror respectively Focal length of the head in focal length most weakness and the focal length in focal length most strong point.
- A kind of 3. focal length zoom lens of the big image planes of large aperture according to claim 1 or 2, it is characterised in that：Before described Fixed lens group include be arranged in order along optical axis from object space to image space the first lens with negative power, with positive light coke The second lens and with negative power the 3rd lens.
- A kind of 4. focal length zoom lens of the big image planes of large aperture according to claim 3, it is characterised in that：Described first is saturating Mirror and the second lens the first balsaming lens of glued formation, first lens are meniscus, and second lens are lenticular Mirror, the 3rd lens are meniscus.
- A kind of 5. focal length zoom lens of the big image planes of large aperture according to claim 1 or 2, it is characterised in that：The change The 4th lens with negative power that times lens group includes being arranged in order along optical axis from object space to image space, with negative power 5th lens and the 6th lens with positive light coke.
- A kind of 6. focal length zoom lens of the big image planes of large aperture according to claim 5, it is characterised in that：Described 5th is saturating Mirror and the 6th lens the second balsaming lens of glued formation, the 4th lens are biconcave lens, and the 5th lens are saturating for concave-concave Mirror, the object side surface of the 6th lens is convex surface, its image interface is one kind in convex surface, plane and concave surface.
- A kind of 7. focal length zoom lens of the big image planes of large aperture according to claim 1 or 2, it is characterised in that：After described Fixed lens group include be arranged in order along optical axis from object space to image space the 7th lens with positive light coke, with positive light coke The 8th lens, the 9th lens with positive light coke and the tenth lens with negative power.
- A kind of 8. focal length zoom lens of the big image planes of large aperture according to claim 7, it is characterised in that：Described 9th is saturating Mirror and the tenth lens the 3rd balsaming lens of glued formation, the 7th lens are biconvex lens, and the 9th lens are lenticular Mirror, the tenth lens are biconcave lens, and the object side surface of the 8th lens is convex surface, its image interface is convex surface, plane With one kind in concave surface.
- A kind of 9. focal length zoom lens of the big image planes of large aperture according to claim 1 or 2, it is characterised in that：The benefit Repay lens group include be arranged in order along optical axis from object space to image space the 11st lens with negative power, with positive light coke The 12nd lens, the 13rd lens with negative power, the 14th lens with positive light coke and with positive light coke The 15th lens.
- A kind of 10. focal length zoom lens of the big image planes of large aperture according to claim 9, it is characterised in that：Described tenth One lens and the 12nd lens the 4th balsaming lens of glued formation, the 13rd lens and the 14th lens are glued to form the 5th Balsaming lens, the 11st lens are biconcave lens, and the 12nd lens are biconvex lens, and the 13rd lens are convex Concavees lens, the 14th lens are biconvex lens, and the 15th lens are meniscus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810008623.1A CN107957622B (en) | 2018-01-04 | 2018-01-04 | Large aperture and large image plane tele zoom lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810008623.1A CN107957622B (en) | 2018-01-04 | 2018-01-04 | Large aperture and large image plane tele zoom lens |
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| Publication Number | Publication Date |
|---|---|
| CN107957622A true CN107957622A (en) | 2018-04-24 |
| CN107957622B CN107957622B (en) | 2023-12-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810008623.1A Active CN107957622B (en) | 2018-01-04 | 2018-01-04 | Large aperture and large image plane tele zoom lens |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109445080A (en) * | 2018-12-29 | 2019-03-08 | 浙江大华技术股份有限公司 | A kind of camera lens |
| CN109975965A (en) * | 2019-04-17 | 2019-07-05 | 厦门力鼎光电股份有限公司 | A kind of zoom lens |
| CN114355597A (en) * | 2021-12-31 | 2022-04-15 | 福建福光股份有限公司 | Clear optical system that zooms of full-color 4K superelevation |
| CN115291374A (en) * | 2022-07-18 | 2022-11-04 | 福建福光股份有限公司 | Super-large target surface wide object distance compact type continuous zoom lens and imaging method thereof |
| CN116299983A (en) * | 2023-05-11 | 2023-06-23 | 杭州灵伴科技有限公司 | Near-to-eye display module detection lens |
| WO2023116362A1 (en) * | 2021-12-24 | 2023-06-29 | 东莞市宇瞳光学科技股份有限公司 | Zoom lens |
| CN116774415A (en) * | 2023-08-18 | 2023-09-19 | 福建福特科光电股份有限公司 | Large aperture photographic lens with low respiratory effect |
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| CN103323935A (en) * | 2013-06-26 | 2013-09-25 | 东莞市宇瞳光学科技有限公司 | Large-zoom camera lens capable of being used in the day and at night |
| CN207833095U (en) * | 2018-01-04 | 2018-09-07 | 东莞市宇瞳光学科技股份有限公司 | A kind of focal length zoom lens of the big image planes of large aperture |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109445080A (en) * | 2018-12-29 | 2019-03-08 | 浙江大华技术股份有限公司 | A kind of camera lens |
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| CN114355597A (en) * | 2021-12-31 | 2022-04-15 | 福建福光股份有限公司 | Clear optical system that zooms of full-color 4K superelevation |
| CN115291374A (en) * | 2022-07-18 | 2022-11-04 | 福建福光股份有限公司 | Super-large target surface wide object distance compact type continuous zoom lens and imaging method thereof |
| CN116299983A (en) * | 2023-05-11 | 2023-06-23 | 杭州灵伴科技有限公司 | Near-to-eye display module detection lens |
| CN116299983B (en) * | 2023-05-11 | 2023-08-18 | 杭州灵伴科技有限公司 | Near-to-eye display module detection lens |
| CN116774415A (en) * | 2023-08-18 | 2023-09-19 | 福建福特科光电股份有限公司 | Large aperture photographic lens with low respiratory effect |
| CN116774415B (en) * | 2023-08-18 | 2023-10-31 | 福建福特科光电股份有限公司 | Large aperture photographic lens with low respiratory effect |
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