CN205507198U - Optical lens assembly makes a video recording - Google Patents
Optical lens assembly makes a video recording Download PDFInfo
- Publication number
- CN205507198U CN205507198U CN201620257383.5U CN201620257383U CN205507198U CN 205507198 U CN205507198 U CN 205507198U CN 201620257383 U CN201620257383 U CN 201620257383U CN 205507198 U CN205507198 U CN 205507198U
- Authority
- CN
- China
- Prior art keywords
- lens
- lens group
- camera optical
- optical camera
- camera
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model provides an optical lens assembly makes a video recording belongs to the optical device field of making a video recording, and this kind of optical lens assembly makes a video recording is included according to the preface by thing side to picture side: the first lens of a positive refracting power, its thing side surface is the convex surface, and it is the concave surface like the side surface, the second lens of a negative refracting power, its thing side surface is the concave surface, and it is the convex surface like the side surface, the third lens of a positive refracting power, it is the concave surface like the side surface, it satisfies following relational expression: F1f2< 1.4 R2> 0, DP1R1 DP1R2< 0, and (TTLf1) (ImDR2) < 1.2. The utility model provides an optical lens assembly makes a video recording through the first lens of design for instance the ratio of the focus of the focus of camber and the first lens of side and second lens makes its satisfy the numerical relation formula that design, then can make up and form the high just length weak point of image quality, the big camera in light ring hole.
Description
Technical field
This utility model relates to camera optical apparatus field, images in particular to one
Optical lens group.
Background technology
Optical lens is requisite parts in Vision Builder for Automated Inspection, directly affects into picture element
The quality of amount, affects realization and the effect of algorithm.Existing camera optical camera lens group is typically adopted
Formed with multiple lens combinations, although shooting can be completed, but image quality is the best, and
And length is longer.
Utility model content
The purpose of this utility model is to provide a kind of camera optical camera lens group, and it can combine
Form image quality height and length is short, the photographic head that diaphragm hole is big.
Embodiment of the present utility model is achieved in that
A kind of camera optical camera lens group, is sequentially included to image side by thing side:
One the first lens having positive refracting power, its thing side surface is convex surface, and its surface, image side is
Concave surface；
Second lens of the one negative refracting power of tool, its thing side surface is concave surface, and its surface, image side is
Convex surface；
One the 3rd lens having positive refracting power, its surface, image side is concave surface；
Wherein, the focal length of the first lens is f1, and the focal length of the second lens is f2, the first lens
The curvature of image side be R2, the optic diameter of first of the first lens is DP1R1,
First of one lens is first lens one sides near thing side, second 's of the first lens
Optic diameter is DP1R2, and second of the first lens is that the first lens are near the one of image side
Face, the thing side of the first lens is TTL to the distance of the imaging surface of camera optical camera lens group, takes the photograph
As the chip catercorner length of optical lens group is ImD, it meets following relationship:
f1/f2<1.4；
R2>0；
DP1R1-DP1R2<0；And
(TTL*f1)/(ImD*R2)<1.2。
In this utility model preferred embodiment, the f-number of above-mentioned camera optical camera lens group
For F-number, it meets relationship below:
F-number<2.4。
In this utility model preferred embodiment, the Abbe number of above-mentioned second lens is Vd2,
It meets relationship below:
10<Vd2<40。
In this utility model preferred embodiment, above-mentioned camera optical camera lens group, it meets
Relationship below:
TTL/ImD<1.2。
In this utility model preferred embodiment, the curvature of the thing side of above-mentioned first lens is
R1, the half of the chip catercorner length of camera optical camera lens group is ImgH, its meet with
Lower relational expression:
(TTL/ImgH)*R1-R2<0。
In this utility model preferred embodiment, the surface of above-mentioned first lens, second saturating
The surface of mirror and the surface of the 3rd lens are aspheric surface.
In this utility model preferred embodiment, above-mentioned camera optical camera lens group also includes light
Circle.
In this utility model preferred embodiment, said aperture is arranged at thing side.
In this utility model preferred embodiment, it is saturating with first that said aperture is arranged at thing side
Between mirror.
In this utility model preferred embodiment, above-mentioned camera optical camera lens group also include to
A few filter element, filter element is arranged at the imaging of the 3rd lens and camera optical camera lens group
Between face.
The camera optical camera lens group that this utility model embodiment provides provides the benefit that: this reality
By the camera optical camera lens group of new embodiment offer by designing the song of the image side of the first lens
The ratio of the focal length of rate and the focal length of the first lens and the second lens so that it is meet designed
Numerical relation formula, then can combine that formation image quality is high and length is short, diaphragm hole is big
Photographic head.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme of this utility model embodiment, below will be to reality
Execute the required accompanying drawing used in example to be briefly described, it will be appreciated that the following drawings is only shown
Go out some embodiment of the present utility model, be therefore not construed as the restriction to scope,
For those of ordinary skill in the art, on the premise of not paying creative work, also
Other relevant accompanying drawings can be obtained according to these accompanying drawings.
The structural representation of the camera optical camera lens group that Fig. 1 provides for this utility model embodiment
Figure；
The astigmatism curve of the camera optical camera lens group that Fig. 2 provides for this utility model embodiment
Figure；
The distortion curve of the camera optical camera lens group that Fig. 3 provides for this utility model embodiment
Figure；
The spherical aberration curve of the camera optical camera lens group that Fig. 4 provides for this utility model embodiment
Figure.
Figure acceptance of the bid note is respectively as follows:
Camera optical camera lens group 100；First lens 101；Second lens 102；3rd lens
103；Infrared filter 104；Chip protection sheet glass 105；Imaging surface 106.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, under
The accompanying drawing that face will combine in this utility model embodiment, to the skill in this utility model embodiment
Art scheme is clearly and completely described, it is clear that described embodiment is that this practicality is new
The a part of embodiment of type rather than whole embodiments.Generally described in the accompanying drawing herein and
The assembly of this utility model embodiment illustrated can be arranged with various different configurations and set
Meter.
Therefore, detailed description to the embodiment of the present utility model provided in the accompanying drawings below
It is not intended to limit claimed scope of the present utility model, but is merely representative of this practicality
Novel selected embodiment.Based on the embodiment in this utility model, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, all belongs to
Scope in this utility model protection.
It should also be noted that similar label and letter represent similar terms in following accompanying drawing, because of
This, be defined in the most a certain Xiang Yi accompanying drawing, then it is right to need not in accompanying drawing subsequently
It defines further and explains.
In description of the present utility model, it is to be understood that term " thickness " etc. indicate
Orientation or position relationship be based on orientation shown in the drawings or position relationship, or this is real
The orientation usually put when using with novel product or position relationship, or art technology
Orientation that personnel usually understand or position relationship, be for only for ease of description this utility model and
Simplify and describe rather than indicate or imply that the equipment of indication or element must have specific side
Position, with specific azimuth configuration and operation, therefore it is not intended that to limit of the present utility model
System.
Describe additionally, term " first ", " second ", " the 3rd " etc. are only used for distinguishing, and
It is not intended that instruction or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clear and definite rule
Determining and limit, term " arranges " and should be interpreted broadly, and connects, also for example, it may be fixing
Can be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electricity
Connect；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of individual element internal.For the ordinary skill in the art, can concrete feelings
Condition understands above-mentioned term concrete meaning in this utility model.
Embodiment
Present embodiments provide a kind of camera optical camera lens group 100, this camera optical camera lens
Group 100 is sequentially included to image side by thing side:
One the first lens 101 having positive refracting power, its thing side surface is convex surface, its image side table
Face is concave surface.
Second lens 102 of the one negative refracting power of tool, its thing side surface is concave surface, its image side table
Face is convex surface.
One the 3rd lens 103 having positive refracting power, its surface, image side is concave surface.
The surface of the first lens 101, the surface of the second lens 102 and the 3rd lens 103
Surface be aspheric surface.
Camera optical camera lens group 100 also includes aperture.Aperture is arranged at thing side or is arranged at
Between thing side and the first lens 101.As such, it is possible to effectively lower optics total length.
Camera optical camera lens group 100 also includes at least one filter element, and filter element is arranged at
Between the imaging surface 106 of the 3rd lens 103 and camera optical camera lens group 100.Filter element
It is preferably infrared filter 104.It addition, infrared filter 104 and imaging surface 106
Centre is provided with chip protection sheet glass 105.
Wherein, the f-number of camera optical camera lens group 100 is F-number, the first lens 101
Focal length be f1, the focal length of the second lens 102 is f2, and the Abbe number of the second lens 102 is
Vd2, the curvature of the thing side of the first lens 101 is R1, the song of the image side of the first lens 101
Rate is R2, and the optic diameter of first of the first lens 101 is DP1R1, the first lens
First of 101 is first lens 101 one sides near thing side, the of the first lens 101
The optic diameter of two is DP1R2, and second of the first lens 101 is the first lens 101
Near the one side of image side, the one-tenth of the thing side of the first lens 101 to camera optical camera lens group 100
The distance of image planes 106 is TTL, and the chip catercorner length of camera optical camera lens group 100 is
ImD, the half of the chip catercorner length of camera optical camera lens group 100 is ImgH, and it is full
Foot following relationship:
(1)F-number<2.4；
(2)f1/f2<1.4；
(3)10<Vd2<40
(4)TTL/ImD<1.2
(5)R2>0；
(6)(TTL/ImgH)*R1-R2；
(7)DP1R1-DP1R2<0；And,
(8)(TTL*f1)/(ImD*R2)<1.2
The design parameter such as following table of the camera optical camera lens group 100 that the present embodiment provides:
Table one, embodiment parameter
Table two, asphericity coefficient
Table one is the structured data that the present embodiment is detailed, wherein, and radius of curvature, the list of thickness
Position is mm.
Table two is the aspherical surface data in the present embodiment, and wherein, R represents aspheric curve side
Radius of curvature in formula, k represents the conical surface coefficient in aspheric curve equation, A2-A20
Then represent 2-20 rank, each surface asphericity coefficient.
In sum, the camera optical camera lens group 100 that the present embodiment provides is by design first
The curvature of the image side of lens 101 and the focal length of the first lens 101 and the second lens 102
The ratio of focal length so that it is meet designed numerical relation formula, then can combine formation imaging
Quality is high and length is short, the photographic head that diaphragm hole is big.
The foregoing is only preferred embodiment of the present utility model, be not limited to this
Utility model, for a person skilled in the art, this utility model can have various more
Change and change.All within spirit of the present utility model and principle, any amendment of being made,
Equivalent, improvement etc., within should be included in protection domain of the present utility model.
Claims (10)
1. a camera optical camera lens group, it is characterised in that sequentially wrapped to image side by thing side
Include:
One the first lens having positive refracting power, its thing side surface is convex surface, and its surface, image side is
Concave surface；
Second lens of the one negative refracting power of tool, its thing side surface is concave surface, and its surface, image side is
Convex surface；
One the 3rd lens having positive refracting power, its surface, image side is concave surface；
Wherein, the focal length of described first lens is f1, and the focal length of described second lens is f2,
The curvature of the image side of described first lens is R2, and the eyeglass of first of described first lens is straight
Footpath is DP1R1, and first of described first lens is that described first lens are near the one of thing side
Face, the optic diameter of second of described first lens is DP1R2, described first lens
Second is described first lens one sides near image side, and the thing side of described first lens is to institute
The distance of the imaging surface stating camera optical camera lens group is TTL, described camera optical camera lens group
Chip catercorner length is ImD, and it meets following relationship:
f1/f2<1.4；
R2>0；
DP1R1-DP1R2<0；And
(TTL*f1)/(ImD*R2)<1.2。
Camera optical camera lens group the most according to claim 1, it is characterised in that institute
The f-number stating camera optical camera lens group is F-number, and it meets relationship below:
F-number<2.4。
Camera optical camera lens group the most according to claim 2, it is characterised in that institute
The Abbe number stating the second lens is Vd2, and it meets relationship below:
10<Vd2<40。
Camera optical camera lens group the most according to claim 3, it is characterised in that its
Meet relationship below:
TTL/ImD<1.2。
Camera optical camera lens group the most according to claim 4, it is characterised in that institute
The curvature of the thing side stating the first lens is R1, the chip diagonal of described camera optical camera lens group
The half of length is ImgH, and it meets relationship below:
(TTL/ImgH)*R1-R2<0。
Camera optical camera lens group the most according to claim 1, it is characterised in that institute
State the surface of the first lens, the surface of described second lens and the surface of described 3rd lens
It is aspheric surface.
Camera optical camera lens group the most according to claim 1, it is characterised in that institute
State camera optical camera lens group and also include aperture.
Camera optical camera lens group the most according to claim 7, it is characterised in that institute
State aperture and be arranged at thing side.
Camera optical camera lens group the most according to claim 7, it is characterised in that institute
State aperture to be arranged between thing side and described first lens.
Camera optical camera lens group the most according to claim 1, it is characterised in that institute
State camera optical camera lens group and also include that at least one filter element, described filter element are arranged at institute
State between the imaging surface of the 3rd lens and described camera optical camera lens group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257383.5U CN205507198U (en) | 2016-03-29 | 2016-03-29 | Optical lens assembly makes a video recording |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257383.5U CN205507198U (en) | 2016-03-29 | 2016-03-29 | Optical lens assembly makes a video recording |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205507198U true CN205507198U (en) | 2016-08-24 |
Family
ID=56734568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620257383.5U Expired - Fee Related CN205507198U (en) | 2016-03-29 | 2016-03-29 | Optical lens assembly makes a video recording |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205507198U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254375A (en) * | 2017-07-12 | 2019-01-22 | 先进光电科技股份有限公司 | Narrow-bezel optical imaging system |
| CN110515179A (en) * | 2019-08-16 | 2019-11-29 | 瑞声通讯科技(常州)有限公司 | Camera optical camera lens |
| CN111077642A (en) * | 2019-12-23 | 2020-04-28 | 瑞声通讯科技(常州)有限公司 | Image pickup optical lens |
| WO2021127832A1 (en) * | 2019-12-23 | 2021-07-01 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
-
2016
- 2016-03-29 CN CN201620257383.5U patent/CN205507198U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109254375A (en) * | 2017-07-12 | 2019-01-22 | 先进光电科技股份有限公司 | Narrow-bezel optical imaging system |
| CN109254375B (en) * | 2017-07-12 | 2021-06-04 | 先进光电科技股份有限公司 | Narrow-bezel optical imaging system |
| CN110515179A (en) * | 2019-08-16 | 2019-11-29 | 瑞声通讯科技(常州)有限公司 | Camera optical camera lens |
| CN111077642A (en) * | 2019-12-23 | 2020-04-28 | 瑞声通讯科技(常州)有限公司 | Image pickup optical lens |
| WO2021127832A1 (en) * | 2019-12-23 | 2021-07-01 | 诚瑞光学(常州)股份有限公司 | Camera optical lens |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106886081B (en) | Image capturing optical lens assembly, image capturing device and electronic device | |
| CN107402430B (en) | Optical image lens, image capturing device and electronic device | |
| CN104950423B (en) | Image capturing optical lens assembly, image capturing device and vehicular photographing device | |
| CN104330879B (en) | Optical imaging lens and apply the electronic installation of this camera lens | |
| CN206946078U (en) | Optical imaging system | |
| CN106886080B (en) | Photographing optical lens assembly, image capturing device and electronic device | |
| CN104330869B (en) | Optical imaging lens and apply the electronic installation of this camera lens | |
| CN102681148B (en) | Image capturing lens assembly | |
| TWI611205B (en) | Optical system | |
| CN105242374B (en) | Optical lens | |
| TWI545343B (en) | Optical imaging lens | |
| CN110531499A (en) | Capture optical lens group, image-taking device and electronic device | |
| CN104062744A (en) | Imaging lens system | |
| CN205507198U (en) | Optical lens assembly makes a video recording | |
| US10928634B2 (en) | Eyepiece and head-mounted display device | |
| CN107577032A (en) | Low distortion wide-angle lens | |
| CN105911677A (en) | Near-infrared large-aperture lens | |
| CN205643831U (en) | Optical image capturing device | |
| CN109445078A (en) | Bugeye lens | |
| CN107300748A (en) | Optical imaging lens | |
| TW202011074A (en) | Wide angle imaging lens | |
| CN106019540A (en) | High-pixel ultrawide-angle optical system and applied camera lens thereof | |
| CN107193108B (en) | Optical imaging lens | |
| CN107272141B (en) | Optical system microscope group, image-taking device and electronic device | |
| TWI669551B (en) | Optical imaging lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170814 Address after: 212000, No. 9, No. 0812, butterfly Plaza, No. 168 Yangzi River Road, Dagang District, Zhenjiang, Jiangsu Patentee after: Zhenjiang pan Trading Co., Ltd. Address before: 510000, room 242, 105 Tianhe East Road, Guangdong, Guangzhou, Tianhe District Patentee before: GUANGZHOU QUANXIANG OPTICS TECHNOLOGY CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20200329 |