CN113176651A - High-definition conference lens and image pickup device - Google Patents
High-definition conference lens and image pickup device Download PDFInfo
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- CN113176651A CN113176651A CN202110451460.6A CN202110451460A CN113176651A CN 113176651 A CN113176651 A CN 113176651A CN 202110451460 A CN202110451460 A CN 202110451460A CN 113176651 A CN113176651 A CN 113176651A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/0045—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having five or more lenses
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Abstract
The invention relates to the field of optics, in particular to a high-definition conference lens and an image pickup device. The high definition conference camera lens comprises from an object plane side to an image plane side in sequence: a first lens with negative focal power, a second lens with positive focal power, a third lens with positive focal power, a fourth lens with negative focal power, a fifth lens with positive focal power and a sixth lens with negative focal power; the high-definition conference lens meets the following conditional expression: phi 1/TTL is more than 0.4 and less than 0.6; wherein Φ 1 is the outer diameter of the first lens, and TTL is the total optical length of the high definition conference lens. The caliber of the front end of the high-definition conference lens is effectively limited, the maximum outer diameter of the high-definition conference lens is effectively limited, the size of the high-definition conference lens is reduced, and the miniaturization of the high-definition conference lens is realized.
Description
Technical Field
The invention relates to the field of optics, in particular to a high-definition conference lens and an image pickup device.
Background
With the development of communication technology, video conferences become more and more popular; the image quality requirement of people on videos is higher and higher, the high definition in the market cannot meet the requirements of customers at present, and the definition of 4K or more is becoming the mainstream; however, the higher the definition of the lens, the higher the cost and the larger the size of the lens, which is difficult to be applied to daily use of people, and the user experience is low.
Disclosure of Invention
The invention solves the technical problems in the prior art, and provides a high-definition conference lens and an image pickup device, which effectively limit the caliber of the front end of the high-definition conference lens, further effectively limit the maximum outer diameter of the high-definition conference lens, reduce the volume of the high-definition conference lens, and realize the miniaturization of the high-definition conference lens.
The technical scheme provided by the invention is as follows:
the utility model provides a high definition conference camera lens, high definition conference camera lens includes from the object plane side to image plane side in proper order:
a first lens with negative focal power, a second lens with positive focal power, a third lens with positive focal power, a fourth lens with negative focal power, a fifth lens with positive focal power and a sixth lens with negative focal power;
the high-definition conference lens meets the following conditional expression:
0.4＜Φ1/TTL＜0.6；
wherein Φ 1 is the outer diameter of the first lens, and TTL is the total optical length of the high definition conference lens.
In the technical scheme, the caliber of the front end of the high-definition conference lens is effectively limited by limiting the outer diameter of the first lens with the largest outer diameter, so that the maximum outer diameter of the high-definition conference lens is effectively limited, the size of the high-definition conference lens is reduced, and the miniaturization of the high-definition conference lens is realized.
Preferably, the high-definition conference lens satisfies the following conditional expression:
ΣS26/TTL＜0.2；
wherein Σ S26 is the sum of the distances between the second lens and the sixth lens.
In the technical scheme, the maximum distance between the second lens and the sixth lens is reduced by limiting the sum of the distance between the second lens and the sixth lens, the size of the high-definition conference lens is further reduced, and the miniaturization of the high-definition conference lens is further realized.
Preferably, the high-definition conference lens satisfies the following conditional expression:
0.3＜S12/TTL＜0.5；
wherein S12 is a spacing between the first lens and the second lens.
In the technical scheme, the space between the first lens and the second lens is limited, so that the volume of the high-definition conference lens is reduced as much as possible, the light path can be reliably converged on the second lens, the high-definition conference lens can form clear images, and the imaging reliability of the high-definition conference lens is improved.
Preferably, the second lens satisfies the following conditional expression:
0.3＜ET2/CT2＜0.9；
wherein ET2 is the central thickness of the second lens element on the circumference, and CT2 is the central thickness of the second lens element on the optical axis.
In the technical scheme, the light path of light can be well adjusted through the second lens with smaller volume by limiting the thickness of the second lens, so that good optical performance and forming yield are ensured, and good assembling stability is met; meanwhile, the use of a cemented lens in the high-definition conference lens is reduced, and the cost of the high-definition conference lens is reduced.
Preferably, the first lens satisfies the following conditional expression:
2.5＜(R11+R12)/(R11-R12)＜4；
wherein R11 is a curvature radius of a curved surface of the first lens on the object side, and R12 is a curvature radius of a curved surface of the first lens on the image side.
In the technical scheme, the curvature radius of the curved surfaces on the two sides of the first lens is limited, so that the incident angle can be reasonably increased to meet the requirement of the high image height of the high-definition conference lens, the chromatic aberration and the aberration of the high-definition conference lens can be corrected, and the imaging quality of the high-definition conference lens is improved.
Preferably, the high-definition conference lens satisfies the following conditional expression:
1.7＜f2/f＜2.5；
wherein f2 is the focal length of the second lens, and f is the focal length of the high definition conference lens.
In the technical scheme, the light path of the light rays converged by the first lens is effectively corrected by limiting the focal length of the second lens, the chromatic aberration and the aberration of the high-definition conference lens are corrected, and the imaging quality of the high-definition conference lens is improved.
Preferably, the high-definition conference lens satisfies the following conditional expression:
-1.8＜f4/f＜-1.4；
-4.2＜f6/f＜-2.2；
wherein f4 is the focal length of the fourth lens, and f6 is the focal length of the sixth lens.
In the technical scheme, the focal power of the high-definition conference lens is reasonably distributed through the limitation of the fourth lens and the sixth lens, the possibility of overlarge lens focal power is reduced, the possibility of overlarge volume of the high-definition conference lens is also reduced, the miniaturization of the high-definition conference lens is realized, meanwhile, chromatic aberration and aberration of the high-definition conference lens are corrected, and the imaging quality of the high-definition conference lens is improved.
Preferably, the first lens, the second lens, the fourth lens and the sixth lens are all plastic aspheric surfaces.
In the technical scheme, the cost of the lens is greatly reduced by arranging the plurality of plastic aspheric surfaces, and the positive and negative reasonable matching is also favorable for correcting the chromatic aberration and the aberration of the high-definition conference lens, so that the imaging quality of the high-definition conference lens is improved.
Preferably, the third lens refractive index is greater than 65;
and/or
The refractive index of the first lens or the fifth lens is greater than 60.
In the technical scheme, the number of the lenses in the high-definition conference lens is reduced and the distance between the lenses is also reduced through the arrangement of the high-refractive-index lens, so that the miniaturization of the high-definition conference lens is realized.
It is also an object of the present invention to provide an image pickup apparatus comprising: a high-definition conference lens; and an image pickup element configured to receive an image formed by the high-definition conference lens.
Compared with the prior art, the high-definition conference lens and the image pickup device provided by the invention have the following beneficial effects:
1. through the restriction to the external diameter of the first lens with the largest external diameter, the caliber of the front end of the high-definition conference lens is effectively restricted, then the maximum external diameter of the high-definition conference lens is effectively restricted, the size of the high-definition conference lens is reduced, and the miniaturization of the high-definition conference lens is realized.
2. Through the limitation of the sum of the distances between the second lens and the sixth lens, the maximum distance between the second lens and the second lens is reduced, the size of the high-definition conference lens is further reduced, and the miniaturization of the high-definition conference lens is further realized.
3. Through the setting of interval between first lens and the second lens, reduced the volume of high definition conference camera lens as far as possible, also made the light path can assemble on the second lens reliably, guaranteed that high definition conference camera lens can form clear image, increased the reliability of high definition conference camera lens formation of image.
4. Through the limitation of the curvature radius of the curved surfaces on the two sides of the first lens, the requirement of the high-definition conference lens on the image height can be met by reasonably increasing the incidence angle, the chromatic aberration and the aberration of the high-definition conference lens can be corrected, and the imaging quality of the high-definition conference lens is improved.
Drawings
The above features, technical features, advantages and implementations of a high-definition conference lens and an image pickup apparatus will be further described in the following detailed description of preferred embodiments in a clearly understandable manner with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a high-definition conference lens according to the present invention;
fig. 2 is a coma aberration diagram of a high-definition conference lens according to the present invention;
FIG. 3 is a spherical aberration diagram of a high definition conference lens according to the present invention;
fig. 4 is a schematic structural diagram of another high-definition conference lens according to the present invention;
fig. 5 is a coma aberration diagram of another high-definition conference lens according to the present invention;
FIG. 6 is a spherical aberration diagram of another high definition conference lens according to the present invention;
fig. 7 is a schematic structural diagram of another high-definition conference lens according to the present invention;
fig. 8 is a coma aberration diagram of another high-definition conference lens according to the present invention;
fig. 9 is a spherical aberration diagram of another high-definition conference lens according to the invention.
The reference numbers illustrate: l1, first lens; l2, second lens; l3, third lens; l4, fourth lens; l5, fifth lens; l6, sixth lens; STO, stop; CG. And (4) protecting the glass.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
For the sake of simplicity, only the parts relevant to the invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
Example 1
As shown in fig. 1, a high definition conference lens includes, in order from an object plane side to an image plane side:
a first lens L1 of negative power, a second lens L2 of positive power, a third lens L3 of positive power, a fourth lens L4 of negative power, a fifth lens L5 of positive power, and a sixth lens L6 of negative power.
The high-definition conference lens meets the following conditional expression:
0.4＜Φ1/TTL＜0.6；
where Φ 1 is an outer diameter of the first lens L1, and TTL is an optical total length of the high definition conference lens.
In this embodiment, through the restriction to the outer diameter of the first lens L1 with the largest outer diameter, the aperture of the front end of the high-definition conference lens is effectively limited, so that the maximum outer diameter of the high-definition conference lens is effectively limited, the size of the high-definition conference lens is reduced, and the miniaturization of the high-definition conference lens is realized.
The high-definition conference lens meets the following conditional expression:
ΣS26/TTL＜0.2；
wherein Σ S26 is the sum of the distances between the second lens L2 and the sixth lens L6.
Through the limitation of the sum of the distances between the second lens L2 and the sixth lens L6, the maximum distance between the second lens L2 and the sixth lens L6 is reduced, the size of the high-definition conference lens is further reduced, and the miniaturization of the high-definition conference lens is further realized.
The high-definition conference lens meets the following conditional expression:
0.3＜S12/TTL＜0.5；
wherein S12 is a spacing between the first lens L1 and the second lens L2.
Through the limitation of the distance between the first lens L1 and the second lens L2, the volume of the high-definition conference lens is reduced as much as possible, the light path can be reliably converged on the second lens L2, the high-definition conference lens can form clear images, and the imaging reliability of the high-definition conference lens is improved.
The second lens L2 satisfies the following conditional expression:
0.3＜ET2/CT2＜0.9；
ET2 is the central thickness of the second lens element L2 on the circumference, and CT2 is the central thickness of the second lens element L2 on the optical axis.
The light path of light can be well adjusted through the second lens L2 with small volume by limiting the thickness of the second lens L2, so that good optical performance and forming yield are ensured, and good assembly stability is met; meanwhile, the use of a cemented lens in the high-definition conference lens is reduced, and the cost of the high-definition conference lens is reduced.
The first lens L1 satisfies the following conditional expression:
2.5＜(R11+R12)/(R11-R12)＜4；
wherein R11 is a curved surface of the first lens L1 on the object plane side, and R12 is a curved surface of the first lens L1 on the image plane side.
In this embodiment, by limiting the curvature radius of the curved surfaces on the two sides of the first lens L1, the incident angle can be increased reasonably to meet the requirement of high image height of the high definition conference lens, which is also beneficial to correcting chromatic aberration and aberration of the high definition conference lens, and the imaging quality of the high definition conference lens is increased.
The high-definition conference lens meets the following conditional expression:
1.7＜f2/f＜2.5；
wherein f2 is the focal length of the second lens L2, and f is the focal length of the high definition conference lens.
By limiting the focal length of the second lens L2, the optical path of the light converged by the first lens L1 is effectively corrected, the chromatic aberration and the aberration of the high-definition conference lens are corrected, and the imaging quality of the high-definition conference lens is improved.
The high-definition conference lens meets the following conditional expression:
-1.8＜f4/f＜-1.4；
-4.2＜f6/f＜-2.2；
wherein f4 is a focal length of the fourth lens L4, and f6 is a focal length of the sixth lens L6.
Through the limitation of the fourth lens L4 and the sixth lens L6, the focal power of the high-definition conference lens is reasonably distributed, the possibility of overlarge lens focal power is reduced, the possibility of overlarge volume of the high-definition conference lens is reduced, the high-definition conference lens is miniaturized, chromatic aberration and aberration of the high-definition conference lens are corrected, and the imaging quality of the high-definition conference lens is improved.
The refractive index of the third lens L3 is more than 65; and/or the refractive index of the first lens L1 or the fifth lens L5 is greater than 60.
In the embodiment, through the arrangement of the high-refractive-index lens, the number of lenses in the high-definition conference lens is reduced, and the distance between the lenses is also reduced, so that the miniaturization of the high-definition conference lens is realized.
The first lens L1, the second lens L2, the fourth lens L4 and the sixth lens L6 are all plastic aspheric surfaces.
In the embodiment, the cost of the lens is greatly reduced by arranging the plurality of plastic aspheric surfaces, and meanwhile, the positive and negative reasonable matching is also beneficial to correcting chromatic aberration and aberration of the high-definition conference lens, so that the imaging quality of the high-definition conference lens is improved.
Example 2
As shown in fig. 1 to 3, a high definition conference lens includes, in order from an object plane side to an image plane side:
a first lens L1 of negative power, a second lens L2 of positive power, a third lens L3 of positive power, a fourth lens L4 of negative power, a fifth lens L5 of positive power, a sixth lens L6 of negative power, and a protective glass CG.
Table 1 shows basic lens data of the high definition conference lens according to the present embodiment, and table 2 shows aspheric coefficients.
[ TABLE 1 ]
[ TABLE 2 ]
In this embodiment, f is 9.4mm, Φ 1 is 24.3mm, TTL is 45mm, and Φ 1/TTL is 0.54;
wherein f is the focal length of the high definition conference lens, Φ 1 is the outer diameter of the first lens L1, and TTL is the total optical length of the high definition conference lens.
ΣS26＝3.27mm，ΣS26/TTL＝0.073；S12＝20.02mm，S12/TTL＝0.445；
Wherein Σ S26 is the sum of the pitches between the second lens L2 and the sixth lens L6, and S12 is the pitch between the first lens L1 and the second lens L2.
ET2＝3.76mm，CT2＝5.32mm，ET2/CT2＝0.707；
ET2 is the central thickness of the second lens element L2 on the circumference, and CT2 is the central thickness of the second lens element L2 on the optical axis.
R11＝8.323mm，R12＝4.858mm，(R11+R12)/(R11-R12)＝3.8；
Wherein R11 is a radius of curvature of a curved surface of the first lens L1 on the object plane side, and R12 is a radius of curvature of a curved surface of the first lens L1 on the image plane side.
f2＝17.4mm，f3＝16.3mm，f4＝-14.4mm，f6＝-38.4mm，
f2/f＝1.85，f3/f＝1.73，f4/f＝-1.53，f6/f＝-4.09；
f2, f3, f4 and f6 are focal lengths of the second lens L2, the third lens L3, the fourth lens L4 and the sixth lens L6, respectively.
As shown in fig. 2 and fig. 3, the court curvature and the chromatic aberration of magnification of the high-definition conference lens of the embodiment are well corrected, the ultra-high-definition image quality of the high-definition conference lens is ensured, and the imaging quality of the high-definition conference lens is improved.
Example 3
As shown in fig. 4, a high definition conference lens includes, in order from an object plane side to an image plane side:
a first lens L1 of negative power, a second lens L2 of positive power, a third lens L3 of positive power, a fourth lens L4 of negative power, a fifth lens L5 of positive power, a sixth lens L6 of negative power, and a protective glass CG.
Table 3 shows basic lens data of the high definition conference lens according to the present embodiment, and table 4 shows aspheric coefficients.
[ TABLE 3 ]
[ TABLE 4 ]
In this embodiment, f is 9.4mm, Φ 1 is 22.3mm, TTL is 44.4mm, and Φ 1/TTL is 0.502;
wherein f is the focal length of the high definition conference lens, Φ 1 is the outer diameter of the first lens L1, and TTL is the total optical length of the high definition conference lens.
ΣS26＝4.85mm，ΣS26/TTL＝0.109；S12＝14.14mm，S12/TTL＝0.318；
Wherein Σ S26 is the sum of the pitches between the second lens L2 and the sixth lens L6, and S12 is the pitch between the first lens L1 and the second lens L2.
ET2＝7.45mm，CT2＝8.81mm，ET2/CT2＝0.846；
ET2 is the central thickness of the second lens element L2 on the circumference, and CT2 is the central thickness of the second lens element L2 on the optical axis.
R11＝8.111mm，R12＝4.673mm，(R11+R12)/(R11-R12)＝3.72；
Wherein R11 is a radius of curvature of a curved surface of the first lens L1 on the object plane side, and R12 is a radius of curvature of a curved surface of the first lens L1 on the image plane side.
f2＝22.6mm，f3＝14mm，f4＝-16mm，f6＝-22mm，
f2/f＝2.4，f3/f＝1.49；f4/f＝-1.7；f6/f＝-2.34；
f2, f3, f4 and f6 are focal lengths of the second lens L2, the third lens L3, the fourth lens L4 and the sixth lens L6, respectively.
As shown in fig. 5 and fig. 6, the court curvature and the chromatic aberration of magnification of the high-definition conference lens of the embodiment are well corrected, the ultra-high-definition image quality of the high-definition conference lens is ensured, and the imaging quality of the high-definition conference lens is improved.
Example 4
As shown in fig. 7, a high definition conference lens includes, in order from an object plane side to an image plane side:
a first lens L1 of negative power, a second lens L2 of positive power, a third lens L3 of positive power, a fourth lens L4 of negative power, a fifth lens L5 of positive power, a sixth lens L6 of negative power, and a protective glass CG.
Table 5 shows basic lens data of the high definition conference lens according to the present embodiment, and table 6 shows aspheric coefficients.
[ TABLE 5 ]
[ TABLE 6 ]
In this embodiment, f is 9.6mm, Φ 1 is 19.2mm, TTL is 37.73mm, and Φ 1/TTL is 0.509;
wherein f is the focal length of the high definition conference lens, Φ 1 is the outer diameter of the first lens L1, and TTL is the total optical length of the high definition conference lens.
ΣS26＝6.92mm，ΣS26/TTL＝0.183；S12＝14.07mm，S12/TTL＝0.373；
Wherein Σ S26 is the sum of the pitches between the second lens L2 and the sixth lens L6, and S12 is the pitch between the first lens L1 and the second lens L2.
ET2＝1.11mm，CT2＝2.78mm，ET2/CT2＝0.4；
ET2 is the central thickness of the second lens element L2 on the circumference, and CT2 is the central thickness of the second lens element L2 on the optical axis.
R11＝9.942mm，R12＝4.75mm，(R11+R12)/(R11-R12)＝2.83；
Wherein R11 is a radius of curvature of a curved surface of the first lens L1 on the object plane side, and R12 is a radius of curvature of a curved surface of the first lens L1 on the image plane side.
f2＝17.3mm，f3＝15mm，f4＝-14mm，f6＝-37.6mm，
f2/f＝1.8，f3/f＝1.56，f4/f＝-1.46，f6/f＝-3.92；
f2, f3, f4 and f6 are focal lengths of the second lens L2, the third lens L3, the fourth lens L4 and the sixth lens L6, respectively.
As shown in fig. 8 and 9, the court curvature and the chromatic aberration of magnification of the high-definition conference lens of the embodiment are well corrected, the ultra-high-definition image quality of the high-definition conference lens is ensured, and the imaging quality of the high-definition conference lens is improved.
Example 5
An image pickup apparatus, as shown in fig. 1 to 9, includes: the high-definition conference lens described in any one of the above embodiments, and the image pickup element configured to receive an image formed by the high-definition conference lens.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a high definition conference camera lens which characterized in that, high definition conference camera lens includes in proper order from the object plane side to image plane side:
a first lens with negative focal power, a second lens with positive focal power, a third lens with positive focal power, a fourth lens with negative focal power, a fifth lens with positive focal power and a sixth lens with negative focal power;
the high-definition conference lens meets the following conditional expression:
0.4＜Φ1/TTL＜0.6；
wherein Φ 1 is the outer diameter of the first lens, and TTL is the total optical length of the high definition conference lens.
2. The high-definition conference lens as claimed in claim 1, wherein:
the high-definition conference lens meets the following conditional expression:
ΣS26/TTL＜0.2；
wherein Σ S26 is the sum of the distances between the second lens and the sixth lens.
3. The high definition conference lens according to claim 2, characterized in that:
the high-definition conference lens meets the following conditional expression:
0.3＜S12/TTL＜0.5；
wherein S12 is a spacing between the first lens and the second lens.
4. The high definition conference lens according to claim 2, characterized in that:
the second lens satisfies the following conditional expression:
0.3＜ET2/CT2＜0.9；
wherein ET2 is the central thickness of the second lens element on the circumference, and CT2 is the central thickness of the second lens element on the optical axis.
5. The high-definition conference lens as claimed in claim 1, wherein:
the first lens satisfies the following conditional expression:
2.5＜(R11+R12)/(R11-R12)＜4；
wherein R11 is a curvature radius of a curved surface of the first lens on the object side, and R12 is a curvature radius of a curved surface of the first lens on the image side.
6. The high-definition conference lens as claimed in claim 1, wherein:
the high-definition conference lens meets the following conditional expression:
1.7＜f2/f＜2.5；
wherein f2 is the focal length of the second lens, and f is the focal length of the high definition conference lens.
7. The high definition conference lens according to claim 6, characterized in that:
the high-definition conference lens meets the following conditional expression:
-1.8＜f4/f＜-1.4；
-4.2＜f6/f＜-2.2；
wherein f4 is the focal length of the fourth lens, and f6 is the focal length of the sixth lens.
8. The high definition conference lens according to claim 7, characterized in that:
the first lens, the second lens, the fourth lens and the sixth lens are all plastic aspheric surfaces.
9. The high-definition conference lens as claimed in claim 1, wherein:
the third lens refractive index is greater than 65;
and/or
The refractive index of the first lens or the fifth lens is greater than 60.
10. An image pickup apparatus comprising:
the high definition conference lens of any one of claims 1 to 9;
and an image pickup element configured to receive an image formed by the high-definition conference lens.
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| JP2018136583A (en) * | 2018-06-11 | 2018-08-30 | マクセル株式会社 | Imaging lens system and imaging apparatus |
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2021
- 2021-04-26 CN CN202110451460.6A patent/CN113176651B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106054355A (en) * | 2015-04-15 | 2016-10-26 | 柯尼卡美能达株式会社 | photographing lens, lens unit, photographing device, digital still camera, and portable terminal |
| CN106019535A (en) * | 2016-07-12 | 2016-10-12 | 浙江舜宇光学有限公司 | Camera lens |
| CN108873245A (en) * | 2017-05-09 | 2018-11-23 | 信泰光学(深圳)有限公司 | Wide-angle lens |
| JP2018136583A (en) * | 2018-06-11 | 2018-08-30 | マクセル株式会社 | Imaging lens system and imaging apparatus |
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