CN109541786A - The low distortion object lens of large relative aperture wide-angle TOF optical lens of one kind and its manufacturing method - Google Patents
The low distortion object lens of large relative aperture wide-angle TOF optical lens of one kind and its manufacturing method Download PDFInfo
- Publication number
- CN109541786A CN109541786A CN201910065292.XA CN201910065292A CN109541786A CN 109541786 A CN109541786 A CN 109541786A CN 201910065292 A CN201910065292 A CN 201910065292A CN 109541786 A CN109541786 A CN 109541786A
- Authority
- CN
- China
- Prior art keywords
- lens
- positive light
- light coke
- negative power
- meniscus lens
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 63
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 11
- 239000000571 coke Substances 0.000 claims abstract description 96
- 230000005499 meniscus Effects 0.000 claims abstract description 68
- 239000011521 glass Substances 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims 1
- 238000009738 saturating Methods 0.000 claims 1
- 239000005357 flat glass Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000005286 illumination Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- G02B13/005—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having spherical lenses only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
Abstract
The present invention relates to a kind of low distortion object lens of large relative aperture wide-angle TOF optical lens and its manufacturing method, the TOF optical lens system structure to be made of eight sheet glass spheric glasses.Its optical lens system successively has along object plane to image planes: the 1st positive light coke meniscus lens L1；2nd negative power meniscus lens L2；3rd negative power biconcave lens L3；4th positive light coke biconvex lens L4；5th positive light coke biconvex lens L5；Aperture diaphragm S1；The cemented doublet that 6th positive light coke biconvex lens L6 and the 7th negative power meniscus lens L7 is constituted；8th positive light coke meniscus lens L8；Parallel glass plates P1 is located at before IMA image planes.This TOF optical lens system has biggish field angle, low-down optical distortion, and big relative aperture can reduce the requirement to light source power, and the TOF chip which can allow 1,000,000 pixels uses.
Description
Technical field
The present invention relates to a kind of low distortion object lens of large relative aperture wide-angle TOF optical lens and its manufacturing methods.
Background technique
It is higher and higher to the requirement of TOF camera lens with the development of TOF (Time of flight) technology, it is led in many applications
Domain, it is desirable that it realizes big field angle while needing very low optical distortion, and big field angle TOF lens optical distortion at present is all
It is larger, it needs to carry out reduction distortion by back-end algorithm, causes the decline of picture treatment effeciency and field range is sacrificed.
Summary of the invention
The present invention improves the above problem, i.e., the present invention is abnormal to solve big field angle TOF optical lens phase optics
A kind of the problems such as becoming larger, it is proposed that the wide-angle TOF optical lens that optical distortion is small, high resolution, relative aperture are big.
Specific embodiments of the present invention are: a kind of low distortion object lens of large relative aperture wide-angle TOF optical lens, including are placed in mirror
Optical component in cylinder, the optical component are successively arranged the first positive light coke meniscus lens L1 from object plane to image planes；Second is negative
Focal power meniscus lens L2；Third negative power biconcave lens L3；4th positive light coke biconvex lens L4；5th positive light coke is double
Convex lens L5；Aperture diaphragm S1；The gluing that 6th positive light coke biconvex lens L6 and the 7th negative power meniscus lens L7 is constituted
Eyeglass；8th positive light coke meniscus lens L8；And parallel glass plates P1 is located at before image planes.
Further, the spacing of this optical structure element from left to right is as follows:
Airspace between first positive light coke meniscus lens L1 and the second negative power meniscus lens L2 is 0.1mm；
Airspace between second negative power meniscus lens L2 and third negative power biconcave lens L3 is 3.3mm；
Airspace between third negative power biconcave lens L3 and the 4th positive light coke biconvex lens L4 is 0.1mm；
Airspace between 4th positive light coke biconvex lens L4 and the 5th positive light coke biconvex lens L5 is 0.1mm；
Airspace between 5th positive light coke biconvex lens L5 and the 6th positive light coke biconvex lens L6 is 4.7mm；
The airspace of 7th negative power meniscus lens L7 and the 8th positive light coke meniscus lens L8 are 0.1mm.
Further, the TOF optical lens system is characterized in that: setting the lens focus as f;First positive light coke
The focal length of meniscus lens L1 is f1；The focal length of second negative power meniscus lens L2 is f2；4th positive light coke biconvex lens L4
Combined focal length with the 5th positive light coke biconvex lens L5 is fa；The focal length of 8th positive light coke meniscus lens L8 is f8；Meet
Following relationship: 3.5 < f1/f < 5.5；-2<f2/f<-1；0.5<fa/f<1.5；2<f1/f<4.
Further, the 4th positive light coke biconvex lens L4, the 5th positive light coke biconvex lens L5 and the 8th positive light focus
The glass materials refractive index of degree meniscus lens L8 is respectively n4, n5 and n8, meets following relationship: 1.80 < n4 < 1.98, and 1.80
<n5<1.98, 1.80<n8<1.98。
Further, optics overall length TTL≤21.7mm, optics rear cut-off distance >=3mm.
The invention also includes a kind of low distortion object lens of large relative aperture wide-angle TOF optical lens manufacturing methods, including are placed in lens barrel
Interior optical component, the optical component are successively arranged the first positive light coke meniscus lens L1 from object plane to image planes；Second negative light
Focal power meniscus lens L2；Third negative power biconcave lens L3；4th positive light coke biconvex lens L4；5th positive light coke biconvex
Lens L5；Aperture diaphragm S1；The glued mirror that 6th positive light coke biconvex lens L6 and the 7th negative power meniscus lens L7 is constituted
Piece；8th positive light coke meniscus lens L8；And parallel glass plates P1 is located at before image planes.
Further, the TOF optical lens system is characterized in that: setting the lens focus as f;First positive light coke
The focal length of meniscus lens L1 is f1；The focal length of second negative power meniscus lens L2 is f2；4th positive light coke biconvex lens L4
Combined focal length with the 5th positive light coke biconvex lens L5 is fa；The focal length of 8th positive light coke meniscus lens L8 is f8；Meet
Following relationship: 3.5 < f1/f < 5.5；-2<f2/f<-1；0.5<fa/f<1.5；2<f1/f<4.
Further, the 4th positive light coke biconvex lens L4, the 5th positive light coke biconvex lens L5 and the 8th positive light focus
The glass materials refractive index of degree meniscus lens L8 is respectively n4, n5 and n8, meets following relationship: 1.80 < n4 < 1.98, and 1.80
<n5<1.98, 1.80<n8<1.98。
Further, the TOF optical lens system is characterized in that: setting the lens focus as f;First positive light coke
The focal length of meniscus lens L1 is f1；The focal length of second negative power meniscus lens L2 is f2；4th positive light coke biconvex lens L4
Combined focal length with the 5th positive light coke biconvex lens L5 is fa；The focal length of 8th positive light coke meniscus lens L8 is f8；Meet
Following relationship: 3.5 < f1/f < 5.5；-2<f2/f<-1；0.5<fa/f<1.5；2<f1/f<4.
Compared with prior art, the invention has the following advantages: it is larger by first positive light coke lenses which correct
Optical distortion, and eyeglass later suitably distributes Rational structure, so that the optical distortion of camera lens is very low, meets TOF and answers
With the demand for low distortion.
It reasonably selects and arranges in pairs or groups by material, correct object lens of large relative aperture bring aberration, more preferable spherical aberration corrector is advanced
Amount, improves the MTF of central vision and peripheral field, improves the image quality within the scope of full filed.
By susceptibility alignment technique, TOF optical lens is reduced to the susceptibility of each tolerance, so that the optical lens batch
The yield for measuring production is higher.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention.
Fig. 2 is TOF of embodiment of the present invention optical lens mtf value.
Fig. 3 is the curvature of field and optical distortion of TOF of embodiment of the present invention optical lens.
Fig. 4 is the relative illumination of TOF of embodiment of the present invention optical lens optical lens.
Specific embodiment
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
As shown in figures 1-4, a kind of low distortion object lens of large relative aperture wide-angle TOF optical lens, the TOF optical lens system knot
Structure is made of eight sheet glass spheric glasses, including the optical component being placed in lens barrel, the optical component from object plane to image planes according to
It is secondary to be equipped with the first positive light coke meniscus lens L1；Second negative power meniscus lens L2；Third negative power biconcave lens L3；The
Four positive light coke biconvex lens L4；5th positive light coke biconvex lens L5；Aperture diaphragm S1；6th positive light coke biconvex lens L6
The cemented doublet constituted with the 7th negative power meniscus lens L7；8th positive light coke meniscus lens L8；And parallel glass plates
P1 is located at before image planes
Further, the spacing of this optical structure element from left to right is as follows:
Airspace between first positive light coke meniscus lens L1 and the second negative power meniscus lens L2 is 0.1mm；
Airspace between second negative power meniscus lens L2 and third negative power biconcave lens L3 is 3.3mm；
Airspace between third negative power biconcave lens L3 and the 4th positive light coke biconvex lens L4 is 0.1mm；
Airspace between 4th positive light coke biconvex lens L4 and the 5th positive light coke biconvex lens L5 is 0.1mm；
Airspace between 5th positive light coke biconvex lens L5 and the 6th positive light coke biconvex lens L6 is 4.7mm；
The airspace of 7th negative power meniscus lens L7 and the 8th positive light coke meniscus lens L8 are 0.1mm.
Further, the TOF optical lens system is characterized in that: setting the lens focus as f;First positive light coke
The focal length of meniscus lens L1 is f1；The focal length of second negative power meniscus lens L2 is f2；4th positive light coke biconvex lens L4
Combined focal length with the 5th positive light coke biconvex lens L5 is fa；The focal length of 8th positive light coke meniscus lens L8 is f8；Meet
Following relationship: 3.5 < f1/f < 5.5；-2<f2/f<-1；0.5<fa/f<1.5；2<f1/f<4.
In the present embodiment, the 4th positive light coke biconvex lens L4, the 5th positive light coke biconvex lens L5 and the 8th positive light
The glass materials refractive index of focal power meniscus lens L8 is respectively n4, n5 and n8, meets following relationship: 1.80 < n4 < 1.98,
1.80<n5<1.98, 1.80<n8<1.98。
In the present embodiment, optics overall length TTL≤21.7mm, optics rear cut-off distance >=3mm.
The instance data of optical lens system, as shown in Figure 1, each glass or the confocal camera lens of the corresponding optical surface of lens
Data such as following table, in the present embodiment optical surface serial number S1, S2, S3 ... indicate from by object plane to image planes by the first positive light coke
Meniscus lens L1 is to the corresponding surface the 8th positive light coke meniscus lens L8, optical surface and next optical surface where thickness indicates
Between center spacing, wherein the gluing that the 6th positive light coke biconvex lens L6 and the 7th negative power meniscus lens L7 are constituted
The cemented doublet middle part surface coincidence face that eyeglass indicates is S13, one side of the 7th negative power meniscus lens L7 towards image side
For S15, refractive index corresponds to the refractive index of affiliated lens.
The specific performance parameter of this TOF optical system are as follows:
(1) focal length: EFFL=4.3mm
(2) number=1.35 F
(3) field angle: 2w >=70 °
(4) imaging circular diameter is greater than Ф 6.0
(5) relative illumination is greater than 49%
(6) optical distortion is better than -2%
(7) it is adapted to light source light spectrum: 808nm, 850nm, 905nm, 940nm
(8) optics overall length TTL≤21.7mm, optics rear cut-off distance >=3mm
(9) camera lens is suitable for 1,000,000 pixel high-resolution TOF chips.
By Fig. 2 to find out, optical lens resolution ratio with higher meets the MTF demand of 1,000,000 pixel TOF chips；
As seen from Figure 3, which has very low optical distortion, meets the application scenarios that part TOF requires low distortion；By
Fig. 4 can be seen that the TOF optical lens with biggish relative illumination, and image planes brightness uniformity is relatively good.
Any technical solution disclosed in aforementioned present invention unless otherwise stated, if it discloses numberical range,
Disclosed numberical range is preferred numberical range, and any it should be appreciated by those skilled in the art preferred numberical ranges
The only obvious or representative numerical value of technical effect in many enforceable numerical value.It, can not since numerical value is more
Exhaustion, so the present invention just discloses technical solution of the component values to illustrate the present invention, also, the above-mentioned numerical value enumerated is not
The limitation to the invention protection scope should be constituted.
If the words such as " first ", " second " are used herein come if limiting components, those skilled in the art are answered
This knows: the use of " first ", " second " is intended merely to facilitate in description and is distinguished components as not having Stated otherwise
Outside, above-mentioned word has no special meaning.
Meanwhile if aforementioned present invention discloses or relates to the components or structural member of connection fastened to each other, except another
There is statement outer, is fixedly connected it is to be understood that connection (such as using bolt or screw connection) can be removedly fixed, it can also
To understand are as follows: non-removable to be fixedly connected with (such as riveting, welding), certainly, connection fastened to each other or integral type knot
Structure (such as manufacturing using casting technique is integrally formed) is replaced (obviously can not be using except integrally formed technique).
In addition, for indicating the art of positional relationship or shape applied in any technical solution disclosed in aforementioned present invention
Its meaning includes approximate with its, similar or close state or shape to language unless otherwise stated.
Either component provided by the invention by multiple individual component parts either assembled, or one
The separate part that forming technology manufactures.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (9)
1. a kind of low distortion object lens of large relative aperture wide-angle TOF optical lens, which is characterized in that including the optics structure being placed in lens barrel
Part, the optical component are successively arranged the first positive light coke meniscus lens L1 from object plane to image planes；Second negative power bent moon is saturating
Mirror L2；Third negative power biconcave lens L3；4th positive light coke biconvex lens L4；5th positive light coke biconvex lens L5；Hole
Diameter light bar S1；The cemented doublet that 6th positive light coke biconvex lens L6 and the 7th negative power meniscus lens L7 is constituted；8th just
Focal power meniscus lens L8；And parallel glass plates P1 is located at before image planes.
2. the low distortion object lens of large relative aperture wide-angle TOF optical lens of one kind according to claim 1, which is characterized in that this light
It is as follows to learn the spacing of structural member from left to right:
Airspace between first positive light coke meniscus lens L1 and the second negative power meniscus lens L2 is 0.1mm；
Airspace between second negative power meniscus lens L2 and third negative power biconcave lens L3 is 3.3mm；
Airspace between third negative power biconcave lens L3 and the 4th positive light coke biconvex lens L4 is 0.1mm；
Airspace between 4th positive light coke biconvex lens L4 and the 5th positive light coke biconvex lens L5 is 0.1mm；
Airspace between 5th positive light coke biconvex lens L5 and the 6th positive light coke biconvex lens L6 is 4.7mm；
The airspace of 7th negative power meniscus lens L7 and the 8th positive light coke meniscus lens L8 are 0.1mm.
3. the low distortion object lens of large relative aperture wide-angle TOF optical lens of one kind according to claim 1 or 2, which is characterized in that institute
It states TOF optical lens system to be characterized in that: setting the lens focus as f;The focal length of first positive light coke meniscus lens L1 is
f1；The focal length of second negative power meniscus lens L2 is f2；4th positive light coke biconvex lens L4 and the 5th positive light coke biconvex
The combined focal length of lens L5 is fa；The focal length of 8th positive light coke meniscus lens L8 is f8；Meet following relationship: 3.5 < f1/f
<5.5；-2<f2/f<-1；0.5<fa/f<1.5；2<f1/f<4.
4. the low distortion object lens of large relative aperture wide-angle TOF optical lens of one kind according to claim 1 or 2, which is characterized in that
The glass material of four positive light coke biconvex lens L4, the 5th positive light coke biconvex lens L5 and the 8th positive light coke meniscus lens L8
Material refractive index is respectively n4, n5 and n8, meets following relationship: 1.80 < n4 < 1.98, and 1.80 < n5 < 1.98,1.80 < n8 <
1.98。
5. the low distortion object lens of large relative aperture wide-angle TOF optical lens of one kind according to claim 1 or 2, which is characterized in that light
Learn overall length TTL≤21.7mm, optics rear cut-off distance >=3mm.
6. a kind of low distortion object lens of large relative aperture wide-angle TOF optical lens manufacturing method, including the optical component being placed in lens barrel, institute
It states optical component and is successively arranged the first positive light coke meniscus lens L1 from object plane to image planes；Second negative power meniscus lens L2；
Third negative power biconcave lens L3；4th positive light coke biconvex lens L4；5th positive light coke biconvex lens L5；Aperture diaphragm
S1；The cemented doublet that 6th positive light coke biconvex lens L6 and the 7th negative power meniscus lens L7 is constituted；8th positive light coke
Meniscus lens L8；And parallel glass plates P1 is located at before image planes.
7. the low distortion object lens of large relative aperture wide-angle TOF optical lens manufacturing method of one kind according to claim 6, feature exist
In the TOF optical lens system is characterized in that: setting the lens focus as f;The coke of first positive light coke meniscus lens L1
Away from for f1；The focal length of second negative power meniscus lens L2 is f2；4th positive light coke biconvex lens L4 and the 5th positive light coke
The combined focal length of biconvex lens L5 is fa；The focal length of 8th positive light coke meniscus lens L8 is f8；Meet following relationship: 3.5 <
f1/f<5.5；-2<f2/f<-1；0.5<fa/f<1.5；2<f1/f<4.
8. the low distortion object lens of large relative aperture wide-angle TOF optical lens manufacturing method of one kind according to claim 6, feature exist
In the 4th positive light coke biconvex lens L4, the 5th positive light coke biconvex lens L5 and the 8th positive light coke meniscus lens L8's
Glass materials refractive index is respectively n4, n5 and n8, meets following relationship: 1.80 < n4 < 1.98,1.80 < n5 < 1.98, and 1.80
<n8<1.98。
9. the low distortion object lens of large relative aperture wide-angle TOF optical lens manufacturing method of one kind according to claim 6, feature exist
In the TOF optical lens system is characterized in that: setting the lens focus as f;The coke of first positive light coke meniscus lens L1
Away from for f1；The focal length of second negative power meniscus lens L2 is f2；4th positive light coke biconvex lens L4 and the 5th positive light coke
The combined focal length of biconvex lens L5 is fa；The focal length of 8th positive light coke meniscus lens L8 is f8；Meet following relationship: 3.5 <
f1/f<5.5；-2<f2/f<-1；0.5<fa/f<1.5；2<f1/f<4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910065292.XA CN109541786B (en) | 2019-01-23 | 2019-01-23 | Low-distortion wide-angle TOF optical lens with large relative aperture and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910065292.XA CN109541786B (en) | 2019-01-23 | 2019-01-23 | Low-distortion wide-angle TOF optical lens with large relative aperture and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109541786A true CN109541786A (en) | 2019-03-29 |
| CN109541786B CN109541786B (en) | 2024-03-15 |
Family
ID=65838432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910065292.XA Active CN109541786B (en) | 2019-01-23 | 2019-01-23 | Low-distortion wide-angle TOF optical lens with large relative aperture and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109541786B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505832A (en) * | 2019-08-19 | 2020-08-07 | 上海鲲游光电科技有限公司 | Optical assembly |
| WO2021114239A1 (en) * | 2019-12-13 | 2021-06-17 | 诚瑞光学(常州)股份有限公司 | Photographing optical lens |
| WO2021114247A1 (en) * | 2019-12-13 | 2021-06-17 | 诚瑞光学(常州)股份有限公司 | Image-capture optical lens |
| WO2021114246A1 (en) * | 2019-12-13 | 2021-06-17 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
| WO2021114250A1 (en) * | 2019-12-13 | 2021-06-17 | 诚瑞光学(常州)股份有限公司 | Photographing optical lens |
| CN113031202A (en) * | 2019-12-09 | 2021-06-25 | 信泰光学(深圳)有限公司 | Wide-angle lens |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0990214A (en) * | 1995-09-19 | 1997-04-04 | Fuji Photo Optical Co Ltd | Wide-angle image forming lens |
| JP2009047988A (en) * | 2007-08-21 | 2009-03-05 | Olympus Imaging Corp | Imaging optical system and electronic imaging apparatus having the same |
| JP2013003324A (en) * | 2011-06-16 | 2013-01-07 | Sigma Corp | Large-diameter lens |
| CN104570300A (en) * | 2013-10-23 | 2015-04-29 | 奥林巴斯株式会社 | Single focal length lens system and image pickup apparatus using the same |
| EP3361299A2 (en) * | 2016-12-23 | 2018-08-15 | Sintai Optical (Shenzhen) Co., Ltd. | Lens assembly |
| US20180239117A1 (en) * | 2017-02-17 | 2018-08-23 | Samsung Electronics Co., Ltd. | Optical lens assembly and electronic apparatus including the same |
| US20180348491A1 (en) * | 2017-06-01 | 2018-12-06 | Hon Hai Precision Industry Co., Ltd. | Wide-angle lens |
| CN109239891A (en) * | 2018-11-16 | 2019-01-18 | 浙江舜宇光学有限公司 | optical imaging lens group |
| CN209542938U (en) * | 2019-01-23 | 2019-10-25 | 福建福光股份有限公司 | A kind of low distortion object lens of large relative aperture wide-angle TOF optical lens |
-
2019
- 2019-01-23 CN CN201910065292.XA patent/CN109541786B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0990214A (en) * | 1995-09-19 | 1997-04-04 | Fuji Photo Optical Co Ltd | Wide-angle image forming lens |
| JP2009047988A (en) * | 2007-08-21 | 2009-03-05 | Olympus Imaging Corp | Imaging optical system and electronic imaging apparatus having the same |
| JP2013003324A (en) * | 2011-06-16 | 2013-01-07 | Sigma Corp | Large-diameter lens |
| CN104570300A (en) * | 2013-10-23 | 2015-04-29 | 奥林巴斯株式会社 | Single focal length lens system and image pickup apparatus using the same |
| EP3361299A2 (en) * | 2016-12-23 | 2018-08-15 | Sintai Optical (Shenzhen) Co., Ltd. | Lens assembly |
| US20180239117A1 (en) * | 2017-02-17 | 2018-08-23 | Samsung Electronics Co., Ltd. | Optical lens assembly and electronic apparatus including the same |
| US20180348491A1 (en) * | 2017-06-01 | 2018-12-06 | Hon Hai Precision Industry Co., Ltd. | Wide-angle lens |
| CN109239891A (en) * | 2018-11-16 | 2019-01-18 | 浙江舜宇光学有限公司 | optical imaging lens group |
| CN209542938U (en) * | 2019-01-23 | 2019-10-25 | 福建福光股份有限公司 | A kind of low distortion object lens of large relative aperture wide-angle TOF optical lens |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111505832A (en) * | 2019-08-19 | 2020-08-07 | 上海鲲游光电科技有限公司 | Optical assembly |
| CN113031202A (en) * | 2019-12-09 | 2021-06-25 | 信泰光学(深圳)有限公司 | Wide-angle lens |
| WO2021114239A1 (en) * | 2019-12-13 | 2021-06-17 | 诚瑞光学(常州)股份有限公司 | Photographing optical lens |
| WO2021114247A1 (en) * | 2019-12-13 | 2021-06-17 | 诚瑞光学(常州)股份有限公司 | Image-capture optical lens |
| WO2021114246A1 (en) * | 2019-12-13 | 2021-06-17 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
| WO2021114250A1 (en) * | 2019-12-13 | 2021-06-17 | 诚瑞光学(常州)股份有限公司 | Photographing optical lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109541786B (en) | 2024-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105527694B (en) | Optical lens | |
| CN109541786A (en) | The low distortion object lens of large relative aperture wide-angle TOF optical lens of one kind and its manufacturing method | |
| CN107102422A (en) | A kind of large aperture ultra-wide angle ultra high-definition zoom lens | |
| CN103345043B (en) | Day and night dual-purpose focusing monitoring camera | |
| CN107065140B (en) | Intelligent vehicle-mounted high-pixel wide-angle lens | |
| CN112882211B (en) | Large-aperture four-piece optical lens | |
| CN209542938U (en) | A kind of low distortion object lens of large relative aperture wide-angle TOF optical lens | |
| CN103558677A (en) | Athermal monitoring camera lens | |
| CN105487211A (en) | Large-aperture, large-image surface ultra-wide angle zoom lens | |
| CN111853699B (en) | Large-aperture three-piece lens optical lens | |
| CN107045183A (en) | One kind is without the wide working distance 6MP machine visual lens of thermalization | |
| CN104570286A (en) | Micro fisheye camera lens and head-mounted display equipment | |
| CN209311771U (en) | A kind of Miniature projection lens | |
| CN109324400B (en) | Compact-structure 2-time high-definition zoom glass-plastic lens and imaging method thereof | |
| CN109445075A (en) | A kind of Miniature projection lens | |
| CN109491056A (en) | Optical lens and imaging device | |
| CN210742599U (en) | Starlight-level optical lens | |
| CN109239893B (en) | Ultra-wide angle optical system with low chief ray incidence angle and working method thereof | |
| CN109375343B (en) | Vehicle-mounted high-definition looking-around optical system with size of 1.1mm and imaging method thereof | |
| CN110333591A (en) | A kind of 0.95mm vehicle-mounted high-definition looks around optical system and its imaging method | |
| CN207833095U (en) | A kind of focal length zoom lens of the big image planes of large aperture | |
| CN110389431A (en) | A kind of object lens of large relative aperture 4K all-in-one machine Zoom optic lens | |
| CN110161655A (en) | Wide-angle day and night camera module of the confocal type without thermalization optical system and its application | |
| CN113391432B (en) | Large-aperture three-piece optical lens | |
| CN215264208U (en) | Objective lens system for micro projection |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |