CN208847940U - Wide angle optical tight shot and vehicle-mounted pick-up mould group - Google Patents
Wide angle optical tight shot and vehicle-mounted pick-up mould group Download PDFInfo
- Publication number
- CN208847940U CN208847940U CN201821681593.2U CN201821681593U CN208847940U CN 208847940 U CN208847940 U CN 208847940U CN 201821681593 U CN201821681593 U CN 201821681593U CN 208847940 U CN208847940 U CN 208847940U
- Authority
- CN
- China
- Prior art keywords
- lens
- focal length
- wide angle
- angle optical
- tight shot
- 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.)
- Active
Links
Landscapes
- Lenses (AREA)
Abstract
The utility model embodiment discloses a kind of wide angle optical tight shot and vehicle-mounted pick-up mould group, and the tight shot includes the 4th lens, the 5th lens of positive focal length and the 6th lens of positive focal length of the first lens of the negative focal length set gradually from the object side to image side along optical axis, the second lens of negative focal length, the third lens of positive focal length, negative focal length；The one side of first lens towards object side is convex surface, and the one side towards image side is concave surface；Second lens are biconcave lens；The third lens are biconvex lens, and the 4th lens are biconcave lens, and the 5th lens are biconvex lens, the 6th lens are biconvex lens；Wherein, the second lens and the 6th lens are non-spherical lens, and the focal length ratio range of the focal length of second lens and the 6th lens is -1.15~-0.68.The large aperture wide-angle optical lens that the utility model embodiment is formed by using six pieces of eyeglasses, solve that eyeglass is excessive, complicated defect, and then meet the demand of day and night imaging clearly.
Description
Technical field
The utility model relates to camera module technical field more particularly to a kind of wide angle optical tight shots and vehicle-mounted pick-up
Mould group.
Background technique
With automobile safety driving system application with it is universal, vehicle-mounted pick-up mould group has also obtained commonly used.And it applies
In the camera module of interior security monitoring require to adapt under daytime and night environment can blur-free imaging, therefore camera module needs
Consider day and night infrared confocal；Meanwhile in order to meet the identification of the details of passenger inside the vehicle, thus camera module need to have it is higher clear
Clear degree.Existing optical system or camera module are to meet that the generally existing eyeglass of above-mentioned requirements is excessive, complicated defect.
Utility model content
The technical problem to be solved by the embodiment of the utility model is, providing a kind of wide angle optical tight shot and vehicle-mounted
Camera module, so as to solve that eyeglass is excessive, complicated defect.
In order to solve the above-mentioned technical problem, the utility model embodiment proposes a kind of wide angle optical tight shot, including
First lens of the negative focal length set gradually from the object side to image side along optical axis, the second lens of negative focal length, the third of positive focal length are saturating
The 4th lens, the 5th lens of positive focal length and the 6th lens of positive focal length of mirror, negative focal length；First lens are towards object side
It is on one side convex surface, the one side towards image side is concave surface；Second lens are biconcave lens；The third lens are biconvex lens, and the 4th thoroughly
Mirror is biconcave lens, and the 5th lens are biconvex lens, the 6th lens are biconvex lens；Wherein, the second lens and the 6th lens are
The focal length ratio range of non-spherical lens, the focal length of second lens and the 6th lens is -1.15~-0.68.
Further, first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens are full
Sufficient the following conditions:
-8<f1<-3；-8<f2<-3；2<f3<10；-5<f4<f5<f6<10；
Wherein, f1For the focal length of the first lens, f2For the focal length of the second lens, f3For the focal length of the third lens, f4It is the 4th
The focal length of lens, f5For the focal length of the 5th lens, f6For the focal length of the 6th lens.
Further, the Refractive Index of Material Nd of the third lens3, material Abbe constant Vd3Meet the following conditions:
1.90<Nd3<2.1；
24<Vd3<40。
Further, the focal length ratio range of the focal length of the 4th lens and the 5th lens is -1.15~-0.68.
It further, further include the diaphragm being correspondingly arranged between the third lens and the 4th lens.
Further, second lens and the 6th lens are all made of plastics and are made.
Correspondingly, the utility model embodiment additionally provides a kind of vehicle-mounted pick-up mould group, fixed including above-mentioned wide angle optical
Zoom lens.
The utility model embodiment is by proposing a kind of wide angle optical tight shot and vehicle-mounted pick-up mould group, the fixed-focus mirror
Head includes the first lens, the second lens, the third lens, the 4th lens, the 5th lens and the 6th lens, by using six pieces of eyeglasses
The large aperture wide-angle optical lens of composition, solve that eyeglass is excessive, complicated defect, and then meet day and night imaging clearly
Demand.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the wide angle optical tight shot of the utility model embodiment.
Fig. 2 is the first analysis diagram of the wide angle optical tight shot of the utility model embodiment.
Fig. 3 is the second analysis diagram of the wide angle optical tight shot of the utility model embodiment.
Fig. 4 is the curvature of field figure of the wide angle optical tight shot of the utility model embodiment.
Fig. 5 is the distortion figure of the wide angle optical tight shot of the utility model embodiment.
Fig. 6 is the relative illumination figure of the wide angle optical tight shot of the utility model embodiment.
Fig. 7 is the structural schematic diagram of the vehicle-mounted pick-up mould group of the utility model embodiment.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
It mutually combines, the utility model is described in further detail in the following with reference to the drawings and specific embodiments.
If directional instruction (such as up, down, left, right, before and after ...) is only used for explaining in the utility model embodiment
In relative positional relationship, the motion conditions etc. under a certain particular pose (as shown in the picture) between each component, if the specific appearance
When state changes, then directionality instruction also correspondingly changes correspondingly.
If in addition, the description for being related to " first ", " second " etc. in the present invention is used for description purposes only, and cannot manage
Solution is its relative importance of indication or suggestion or the quantity for implicitly indicating indicated technical characteristic.Define as a result, " the
One ", the feature of " second " can explicitly or implicitly include at least one of the features.
Please refer to FIG. 1 to FIG. 6, the wide angle optical tight shot of the utility model embodiment mainly include the first lens E1,
Second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5 and the 6th lens E6.
First lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens E5 and the 6th edge lens E6
Optical axis is set gradually from the object side to image side.The one side of first lens E1 towards object side is convex surface (i.e. object side S1 in Fig. 1), direction
The one side of image side is concave surface (i.e. image side surface S2 in Fig. 1).Second lens E2 is biconcave lens (object side S3 and image side as shown in figure 1
Shown in the S4 of face).The third lens E3 is biconvex lens (as shown in figure 1 shown in object side S5 and image side surface S6), and the 4th lens E4 is double
Concavees lens (as shown in figure 1 shown in object side S7 and image side surface S8), the 5th lens E5 be biconvex lens (as shown in figure 1 object side S8 and
Shown in image side surface S9), the 6th lens E6 be biconvex lens (as shown in figure 1 shown in object side S10 and image side surface S11).Second lens
E2 and the 6th lens E6 is non-spherical lens, the focal length of the second lens E2 and the focal length ratio range of the 6th lens E6
It is -1.15~-0.68.
In the utility model embodiment, when operating distance is infinity, the total focal length f=of wide angle optical tight shot
2.97mm, FNO=1.6, FOV=160 ° of field angle, the parameters of lens group are successively listed in Table 1 below:
Table 1
| Surf | Radius | Thickness | Index | ABB | EFL-E |
| OBJ | 3000 | 2000 | |||
| 22.2068 | 0.4 | ||||
| 1 | 21.537 | 0.6 | 1.65 | 58.75 | -6.53626 |
| 2 | 3.384 | 2.780569 | |||
| 3 | -10.528235 | 1 | 1.5255 | 56.53 | -7.096285 |
| 4 | 6.136188 | 1.035023 | |||
| 5 | 7.492 | 2.18 | 1.92 | 31.5 | 5.187372 |
| 6 | -10.796 | 0.669833 | |||
| INFINITY | 0 | ||||
| INFINITY | 1 | ||||
| STO | INFINITY | 0.2 | |||
| 7 | -12.802 | 1.63 | 1.846666 | 23.787324 | -3.426658 |
| 8 | 3.971 | 1.78 | 1.772501 | 49.613485 | 3.785067 |
| 9 | -8.925 | 0.1 | |||
| 10 | 6.646298 | 1.83 | 1.5255 | 56.53 | 7.95338 |
| 11 | -10.697609 | 0.5 | |||
| 12 | INFINITY | 0.7 | 1.516797 | 64.212351 | |
| 13 | INFINITY | 4.681 | |||
| IMA | INFINITY | 0 |
The utility model embodiment uses large aperture F1.6, and night vision effect is excellent.
As an implementation, the first lens E1, the second lens E2, the third lens E3, the 4th lens E4, the 5th lens
E5 and the 6th lens E6 meet the following conditions:
-8<f1<-3；-8<f2<-3；2<f3<10；-5<f4<f5<f6<10；
Wherein, f1For the focal length of the first lens E1, f2For the focal length of the second lens E2, f3For the focal length of the third lens E3, f4
For the focal length of the 4th lens E4, f5For the focal length of the 5th lens E5, f6For the focal length of the 6th lens E6.
As an implementation, the Refractive Index of Material Nd of the third lens E33, material Abbe constant Vd3Meet following item
Part:
1.90<Nd3<2.1；
24<Vd3<40。
As an implementation, the focal length ratio range of the focal length of the 4th lens E4 and the 5th lens E5 be -1.15~-
0.68。
As an implementation, wide angle optical tight shot further includes being correspondingly arranged at the third lens E3 and the 4th lens E4
Between diaphragm ST.
As an implementation, the second lens E2 and the 6th lens E6 are all made of plastics and are made.The utility model is implemented
Example uses glass lens technique for temperature compensation, and temperature camera lens in -30 DEG C to+70 DEG C variations is not needed to re-focuse and can be protected
Demonstrate,prove imaging clearly；In addition, the cost of glass lens is low, environment resistant temperature change capabilities are strong.
In the utility model embodiment, the second lens E2 and the 6th lens E6 are plastic aspheric lens, aspherical
Correlation values are successively listed in table 2:
Table 2
| S3 | S4 | S10 | S11 |
| K=-200.000000000 | K=3.677902555 | K=-0.149439093 | K=-6.428178576 |
| E4=0.00914050533 | E4=0.01770562996 | E4=-0.0033489721 | E4=-0.0027618917 |
| E6=-0.0030430022 | E6=-0.0070413749 | E6=0.00025444370 | E6=0.00054243367 |
| E8=0.00038686692 | E8=0.00105194383 | E8=-0.0000260768 | E8=-0.0000402553 |
| E10=-0.000024285 | E10=-0.000097016 | E10=0.0000007659 | E10=0.0000010415 |
| R1=-13.081480865 | R2=5.210557303 | R1=4.084108879 | R2=-4.769755545 |
Fig. 7 is please referred to, the vehicle-mounted pick-up mould group of the utility model embodiment includes wide angle optical tight shot.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and their equivalents.
Claims (7)
1. a kind of wide angle optical tight shot, which is characterized in that including the negative focal length set gradually from the object side to image side along optical axis
The first lens, the second lens of negative focal length, the third lens of positive focal length, the 4th lens of negative focal length, positive focal length the 5th thoroughly
6th lens of mirror and positive focal length；The one side of first lens towards object side is convex surface, and the one side towards image side is concave surface；The
Two lens are biconcave lens；The third lens are biconvex lens, and the 4th lens are biconcave lens, and the 5th lens are biconvex lens, the
Six lens are biconvex lens；Wherein, the second lens and the 6th lens are non-spherical lens, the focal length of second lens with it is described
The focal length ratio range of 6th lens is -1.15~-0.68.
2. wide angle optical tight shot as described in claim 1, which is characterized in that first lens, the second lens, third
Lens, the 4th lens, the 5th lens and the 6th lens meet the following conditions:
-8<f1<-3；-8<f2<-3；2<f3<10；-5<f4<f5<f6<10；
Wherein, f1For the focal length of the first lens, f2For the focal length of the second lens, f3For the focal length of the third lens, f4For the 4th lens
Focal length, f5For the focal length of the 5th lens, f6For the focal length of the 6th lens.
3. wide angle optical tight shot as described in claim 1, which is characterized in that the Refractive Index of Material of the third lens
Nd3, material Abbe constant Vd3Meet the following conditions:
1.90<Nd3<2.1；
24<Vd3<40。
4. wide angle optical tight shot as described in claim 1, which is characterized in that the focal length of the 4th lens and the 5th is thoroughly
The focal length ratio range of mirror is -1.15~-0.68.
5. wide angle optical tight shot as described in claim 1, which is characterized in that further include being correspondingly arranged at the third lens and the
Diaphragm between four lens.
6. wide angle optical tight shot as described in claim 1, which is characterized in that second lens and the 6th lens are adopted
It is made of plastic.
7. a kind of vehicle-mounted pick-up mould group, which is characterized in that including wide angle optical fixed-focus such as of any of claims 1-6
Camera lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821681593.2U CN208847940U (en) | 2018-10-17 | 2018-10-17 | Wide angle optical tight shot and vehicle-mounted pick-up mould group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821681593.2U CN208847940U (en) | 2018-10-17 | 2018-10-17 | Wide angle optical tight shot and vehicle-mounted pick-up mould group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208847940U true CN208847940U (en) | 2019-05-10 |
Family
ID=66375605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821681593.2U Active CN208847940U (en) | 2018-10-17 | 2018-10-17 | Wide angle optical tight shot and vehicle-mounted pick-up mould group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208847940U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161662A (en) * | 2019-07-16 | 2019-08-23 | 江西联创电子有限公司 | The imaging device of wide-angle lens and the application wide-angle lens |
| CN111474683A (en) * | 2020-05-29 | 2020-07-31 | 苏州东方克洛托光电技术有限公司 | High numerical aperture long wave infrared microscope head |
| CN113359280A (en) * | 2021-06-17 | 2021-09-07 | 天津欧菲光电有限公司 | Optical lens, camera module and electronic equipment |
-
2018
- 2018-10-17 CN CN201821681593.2U patent/CN208847940U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110161662A (en) * | 2019-07-16 | 2019-08-23 | 江西联创电子有限公司 | The imaging device of wide-angle lens and the application wide-angle lens |
| WO2021008319A1 (en) * | 2019-07-16 | 2021-01-21 | 江西联创电子有限公司 | Wide-angle lens and imaging device |
| CN111474683A (en) * | 2020-05-29 | 2020-07-31 | 苏州东方克洛托光电技术有限公司 | High numerical aperture long wave infrared microscope head |
| CN113359280A (en) * | 2021-06-17 | 2021-09-07 | 天津欧菲光电有限公司 | Optical lens, camera module and electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106842500B (en) | High-definition fisheye lens | |
| CN211653284U (en) | Imaging lens system | |
| CN208847940U (en) | Wide angle optical tight shot and vehicle-mounted pick-up mould group | |
| CN109814229A (en) | Optical imaging system | |
| JP2010107531A (en) | Imaging lens and imaging apparatus using the imaging lens | |
| CN110727087B9 (en) | Wide-angle lens | |
| CN110178068A (en) | Single focal lense system and camera | |
| CN207396836U (en) | A kind of lens system and camera lens | |
| CN108604001A (en) | Zoom-lens system, the photographic device with zoom-lens system and the vehicle with photographic device | |
| US4932764A (en) | Optical system for use in photographic devices | |
| CN112014960A (en) | High-resolution large-visual-angle vehicle-mounted fisheye optical lens and vehicle-mounted all-around-view lens | |
| CN109791272A (en) | Taking lens system and camera | |
| TWI830667B (en) | Imaging lens system | |
| JP6711360B2 (en) | Imaging lens | |
| CN110412722A (en) | Optical lens | |
| CN109001887A (en) | Optical lens | |
| CN101435910A (en) | Focus fixing lens | |
| TW202346951A (en) | Imaging lens system | |
| CN206362992U (en) | High definition fish eye lens | |
| CN212410951U (en) | High-resolution large-visual-angle vehicle-mounted fisheye optical lens and vehicle-mounted all-around-view lens | |
| CN211627924U (en) | Low-cost wide-angle infrared night vision monitoring lens | |
| CN211603694U (en) | Optical imaging lens of wide angle high definition | |
| CN110488471A (en) | Optical lens | |
| CN210323549U (en) | Fixed focus lens | |
| CN208818914U (en) | Big target surface high-resolution ultra-wide angle optical system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |