CN205353445U - Camera lens and image device - Google Patents
Camera lens and image device Download PDFInfo
- Publication number
- CN205353445U CN205353445U CN201620054542.1U CN201620054542U CN205353445U CN 205353445 U CN205353445 U CN 205353445U CN 201620054542 U CN201620054542 U CN 201620054542U CN 205353445 U CN205353445 U CN 205353445U
- Authority
- CN
- China
- Prior art keywords
- lens
- camera
- group
- focal length
- lens group
- 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.)
- Withdrawn - After Issue
Links
Landscapes
- Lenses (AREA)
Abstract
The utility model relates to a camera lens and image device, this camera lens includes: be close to the preceding lens group of object space, be close to the rear mirror head of image space and organize, reflection element and diaphragm, wherein, preceding lens group includes: first lens, second lens, third lens and fourth lens, rear mirror head group includes: the 5th lens, VI lenses, the 7th lens, the 8th lens and the 9th lens, preceding lens group is negative refraction rate battery of lens, and rear mirror head group is positive refraction rate battery of lens, reflection element and diaphragm set gradually between fourth lens and the 5th lens. The camera lens and image device that this embodiment provided, two lens groups are an ascending size in side around having reduced through reflection element.
Description
Technical field
This utility model relates to optical lens technical field, particularly relates to a kind of camera lens and imaging device.
Background technology
Obtaining total space information at present, it is possible to adopt two toward each other or the imaging optical systems placed that are staggered, each optical system comprises one more than the wide-angle lens of 180 degree of angles of visual field and the imaging sensing device that matches with wide-angle lens.Obtained the image information of all directions by the two imaging optical system simultaneously, be spliced to form 4 π solid angle total space image informations by the expansion of overlapping region.
But, use two wide-angle lens more than 180 degree of angles of visual field inevitably to there will be the problem that photocentre separates, the separation of photocentre can make the image deterioration of image overlapping region.And, two wide-angle lens distances in the direction of the optical axis are more remote, and the deterioration of lap image is more obvious.
It addition, utility model people of the present utility model finds in the process implementing this utility model: existing often have vignetting more than the wide-angle lens structure of 180 degree of angles of visual field at big visual field place so that field rays can not be full of whole visual field.
Utility model content
The purpose of this utility model is to provide a kind of camera lens and imaging device, by the reflecting element that this camera lens includes, reduces former and later two lens group size in one direction so that imaging effect is better.
A kind of camera lens that this utility model provides, including: front lens group, described front lens group is near thing side；Rear lens group, described rear lens group is near image space；Reflecting element；Diaphragm, wherein,
Described front lens group includes: the first lens, the second lens, the 3rd lens and the 4th lens；Described rear lens group includes: the 5th lens, the 6th lens, the 7th lens, the 8th lens and the 9th lens；
Described front lens group is negative refractive rate lens group, and described rear lens group is refractive positive lens group；Described reflecting element and described diaphragm are successively set between described 4th lens and described 5th lens.
Alternatively, described first lens and described second lens are negative meniscus, described 3rd lens are double concave minus lens, described 4th lens are lenticular plus lens, described 5th lens and described 9th lens are plus lens, described 6th lens and described 8th lens are negative meniscus, and described 7th lens are lenticular plus lens.
Alternatively, described reflecting element is plane of reflection mirror or right-angle reflecting prism.
Alternatively, the surface of described first lens, described second lens, described 4th lens, described 5th lens, described 6th lens, described 7th lens, described 8th lens and described 9th lens is sphere.
Alternatively, described camera lens meets the following conditions: 4≤| f14/f |≤4.8, and 3.5≤| f59/f |≤4, and wherein, f is the focal length of described camera lens, and f14 is the focal length of described front lens group, and f59 is the focal length of described rear lens group.
Alternatively, carrying out gluing, and the Abbe number of described 7th lens is more than 50 between described 7th lens and described 8th lens, the Abbe number of described 8th lens is less than 40.
Alternatively, described camera lens meets the following conditions: 0.8≤| f13/f |≤1.5, 4.5≤| f58/f |≤6, 9≤| f56/f |≤11 and 6≤| f78/f |≤7.5, wherein, f is the focal length of described camera lens, f13 is described first lens, the combined focal length of described second lens and described 3rd lens, f58 is described 5th lens, described 6th lens, the combined focal length of described 7th lens and described 8th lens, f56 is the combined focal length of described 5th lens and described 6th lens, f78 is the combined focal length of described 7th lens and described 8th lens.
This utility model also provides for a kind of imaging device, and including the camera lens described in two any of the above-described embodiments, two described camera lenses are staggered relatively, and the optical axis of two described camera lenses is parallel to each other, the angle of visual field of two described camera lenses is all higher than 180 degree.
Alternatively, first summit of the first lens of the front lens group that a described camera lens in two described camera lenses includes is d1 to the distance on the second summit, first summit of the first lens of the front lens group that another the described camera lens in two described camera lenses includes is d2 to the distance on the second summit, two described camera lenses meet the following conditions: d1=d2, and 8≤d1/f≤16
Wherein, described first summit is the intersection point of described optical axis and the object side surface of described first lens, and described second summit is the intersection point of described optical axis and the reflecting surface of described first lens, and f is the focal length of described camera lens.
A kind of camera lens provided based on technique scheme and imaging device, it is possible to by the reflecting element that this camera lens includes, reduce former and later two lens group size in one direction so that imaging effect is better.
Accompanying drawing explanation
Accompanying drawing of the present utility model is the technical scheme in order to conveniently be further appreciated by this utility model embodiment.
The structural representation of the Fig. 1 a kind of camera lens for providing according to one embodiment of this utility model；
The optical property figure of the Fig. 2 a kind of camera lens for providing according to one embodiment of this utility model；
The optical property figure of the Fig. 3 a kind of camera lens for providing according to another embodiment of this utility model；
The structural representation of the Fig. 4 a kind of imaging device for providing according to one embodiment of this utility model.
Description of reference numerals:
1 first lens
2 second lens
3 the 3rd lens
4 the 4th lens
5 reflecting elements
6 diaphragms
7 the 5th lens
8 the 6th lens
9 the 7th lens
10 the 8th lens
11 the 9th lens
Detailed description of the invention
What the technical scheme and advantage for making this utility model embodiment was expressed becomes apparent from, below by drawings and Examples, the technical solution of the utility model is described in further detail, and following example are used for illustrating the application, but are not limited to scope of the present application.
Fig. 1 is the structural representation of a kind of camera lens provided according to this utility model embodiment.This camera lens includes: front lens group, rear lens group, reflecting element and diaphragm.As it is shown in figure 1, this camera lens includes from the object side to the image side successively: first lens the 1, second lens the 2, the 3rd lens the 3, the 4th lens 4, reflecting element 5, diaphragm the 6, the 5th lens the 7, the 6th lens the 8, the 7th lens the 9, the 8th lens 10 and the 9th lens 11.
Wherein, front lens group includes: the first lens the 1, second lens the 2, the 3rd lens 3 and the 4th lens 4, rear lens group includes: the 5th lens the 7, the 6th lens the 8, the 7th lens the 9, the 8th lens 10 and the 9th lens 11.Further, front lens group is negative refractive rate lens group, and rear lens group is refractive positive lens group.
In this embodiment, owing to the front lens group of camera lens adopts negative refractive rate lens group, rear lens group adopts refractive positive lens group, so camera lens have employed the structure that positive and negative refraction rate lens group separates on the whole, and so can correction system introduces due to big Radix Rumicis to greatest extent aberration.
A kind of camera lens that the present embodiment provides, it is possible to by the reflecting element that this camera lens includes, reduce former and later two lens group size in one direction so that imaging effect is better.
In addition, the visual field of a kind of camera lens that this utility model embodiment provides will not produce vignetting, the imaging illumination making visual field is consistent, scene light intensity energy can be absorbed to greatest extent, so this camera lens can be widely applied to big wide-angle scene and pan-shot, for example, it is possible to be applied to shooting monitoring, in the industry such as entertainment, educational training, display and demonstration.
Alternatively, in one embodiment, first lens 1 and the second lens 2 can be negative meniscus, 3rd lens 3 can be double concave minus lens, 4th lens 4 can be lenticular plus lens, 5th lens 7 and the 9th lens 11 can be plus lens, and the 6th lens 8 and the 8th lens 10 can be negative meniscus, and the 7th lens 9 can be lenticular plus lens.
Alternatively, reflecting element 5 can be plane of reflection mirror, it is also possible to for right-angle reflecting prism.When reflecting element 5 is right-angle reflecting prism, then it is be coated with reflectance coating at the hypotenuse surface of corner cube prism.
Alternatively, the surface of the first lens, the second lens, the 4th lens, the 5th lens, the 6th lens, the 7th lens, the 8th lens and the 9th lens can be sphere, it is also possible to is plane.Adopt the camera lens of lens arrangement in this, it is possible to processing cost is greatly reduced.
Alternatively, a kind of camera lens that this utility model provides meets the following conditions: 4≤| f14/f |≤4.8, and 3.5≤| f59/f |≤4, wherein, f is the focal length of described camera lens, and f14 is the focal length of described front lens group, and f59 is the focal length of described rear lens group.That is, f14 is the combined focal length of first lens the 1, second lens the 2, the 3rd lens 3 of including of front lens group and the 4th lens 4, and f59 is the combined focal length of the 5th lens the 7, the 6th lens the 8, the 7th lens the 9, the 8th lens 10 that include of rear lens group and the 9th lens 11.
Specifically, gluing is carried out between the 7th lens 9 and the 8th lens 10, say, that between the 7th lens 9 and the 8th lens 10, do not have the air gap.And the Abbe number of the 7th lens 9 is more than 50, the Abbe number of the 8th lens 10 is less than 40.
Alternatively, a kind of camera lens that this utility model provides also meets the following conditions: 0.8≤| f13/f |≤1.5,4.5≤| f58/f |≤6,9≤| f56/f |≤11 and 6≤| f78/f |≤7.5, wherein, f is the focal length of camera lens, f13 is the combined focal length of first lens the 1, second lens 2 and the 3rd lens 3, f58 is the combined focal length of the 5th lens the 7, the 6th lens the 8, the 7th lens 9 and the 8th lens 10, f56 is the combined focal length of the 5th lens 7 and the 6th lens 8, and f78 is the combined focal length of the 7th lens 9 and the 8th lens 10.
As an embodiment of the present utility model, the parameter of camera lens as shown in Figure 1 is normalized, the effective focal length that can obtain this camera lens is f=1mm, F number F#=2, the angle of visual field is 2 ω=190 °, sequentially passes through the first lens, the second lens, the 3rd lens, the 4th lens, reflecting element, diaphragm, the 5th lens, the 6th lens, the 7th lens, the 8th lens and the 9th lens from the object side to the image side.With the object side surface sequence number of the first lens for 1; the like; reflecting element thing side transmissive surface sequence number is 9; reflecting surface sequence number is 10; reflecting element image space transmissive surface sequence number is 11; the protection glass thing side image interface sequence number of display device is 22,23, and image planes sequence number is 24, and in this embodiment, the design data of each optical element are as shown in table 1.
Table 1
It should be noted that carry out two lens of gluing, its phase cemented surface is as a surface.
Optical property figure as shown in Figure 2 is the optical property figure according to the camera lens in above-described embodiment.As can be seen from Figure 2: the optical property MTF of this camera lens can reach more than 0.2 when 400 lines pair.
It addition, as another embodiment of the present utility model, the parameter of camera lens as shown in Figure 1 is normalized, it is possible to the effective focal length obtaining this camera lens is f=1mm, F number F#=2, and the angle of visual field is 2 ω=190 °.Sequentially pass through the first lens, the second lens, the 3rd lens, the 4th lens, reflecting element, diaphragm, the 5th lens, the 6th lens, the 7th lens, the 8th lens and the 9th lens from the object side to the image side.With the object side surface sequence number of the first lens for 1; the like; reflecting element thing side transmissive surface sequence number is 9; reflecting surface sequence number is 10; reflecting element image space transmissive surface sequence number is 11; the protection glass thing side image interface sequence number of display device is 22,23, and image planes sequence number is 24, and in this embodiment, the design data of each optical element are as shown in table 2.
Table 2
It should be noted that carry out two lens of gluing, its phase cemented surface is as a surface.
Optical property figure as shown in Figure 3 is the optical property figure according to the camera lens in above-described embodiment.As can be seen from Figure 3: the optical property MTF of this camera lens can reach more than 0.2 when 400 lines pair.
Describe, above in association with Fig. 1 to Fig. 3, a kind of camera lens that this utility model embodiment provides in detail, be described in detail, below in conjunction with Fig. 4, a kind of imaging device that this utility model embodiment provides.
Fig. 4 is the structural representation of a kind of imaging device provided according to this utility model embodiment.Imaging device as shown in Figure 4 includes two camera lenses in above-mentioned any embodiment.In two camera lenses, the structure of each camera lens lens construction all as shown in Figure 1 is identical, and two camera lenses are staggered relatively, and the optical axis of two camera lenses is parallel to each other, the angle of visual field of two camera lenses is all higher than 180 degree.
Concrete, first summit of the first lens of the front lens group that a camera lens in two camera lenses includes is d1 to the distance on the second summit, first summit of the first lens of the front lens group that another camera lens in two camera lenses includes is d2 to the distance on the second summit, two camera lenses meet the following conditions: d1=d2, and 8≤d1/f≤16, wherein, first summit is the intersection point of the object side surface of optical axis and the first lens, second summit is the intersection point of the reflecting surface of optical axis and the first lens, and f is the focal length of camera lens.
A kind of imaging device that the present embodiment provides, by two camera lenses more than 180 degree of the angle of visual field staggered relatively, it is possible to acquisition π radian solid angle total space visual field, space 4.Simultaneously as each camera lens includes reflecting element, it is possible to former and later two lens group that reduction camera lens includes size in one direction, significantly reduce the processing cost of wide-angle lens.
Above-described detailed description of the invention; the purpose of this utility model, technical scheme and beneficial effect have been further described; it is it should be understood that; the foregoing is only detailed description of the invention of the present utility model; it is not used to limit protection domain of the present utility model; all within spirit of the present utility model and principle, any amendment of making, equivalent replacement, improvement etc., should be included within protection domain of the present utility model.
Claims (9)
1. a camera lens, it is characterised in that including:
Front lens group, described front lens group is near thing side；
Rear lens group, described rear lens group is near image space；
Reflecting element；
Diaphragm, wherein,
Described front lens group includes: the first lens, the second lens, the 3rd lens and the 4th lens；
Described rear lens group includes: the 5th lens, the 6th lens, the 7th lens, the 8th lens and the 9th lens；
Described front lens group is negative refractive rate lens group, and described rear lens group is refractive positive lens group；Described reflecting element and described diaphragm are successively set between described 4th lens and described 5th lens.
2. camera lens according to claim 1, it is characterized in that, described first lens and described second lens are negative meniscus, described 3rd lens are double concave minus lens, described 4th lens are lenticular plus lens, described 5th lens and described 9th lens are plus lens, and described 6th lens and described 8th lens are negative meniscus, and described 7th lens are lenticular plus lens.
3. camera lens according to claim 1, it is characterised in that described reflecting element is plane of reflection mirror or right-angle reflecting prism.
4. camera lens according to any one of claim 1 to 3, it is characterized in that, the surface of described first lens, described second lens, described 4th lens, described 5th lens, described 6th lens, described 7th lens, described 8th lens and described 9th lens is sphere.
5. camera lens according to any one of claim 1 to 3, it is characterised in that described camera lens meets the following conditions:
4≤| f14/f |≤4.8, and 3.5≤| f59/f |≤4,
Wherein, f is the focal length of described camera lens, and f14 is the focal length of described front lens group, and f59 is the focal length of described rear lens group.
6. camera lens according to any one of claim 1 to 3, it is characterised in that carrying out gluing between described 7th lens and described 8th lens, and the Abbe number of described 7th lens is more than 50, the Abbe number of described 8th lens is less than 40.
7. camera lens according to any one of claim 1 to 3, it is characterised in that described camera lens meets the following conditions:
0.8≤| f13/f |≤1.5,4.5≤| f58/f |≤6,9≤| f56/f |≤11 and 6≤| f78/f |≤7.5,
Wherein, f is the focal length of described camera lens, f13 is the combined focal length of described first lens, described second lens and described 3rd lens, f58 is the combined focal length of described 5th lens, described 6th lens, described 7th lens and described 8th lens, f56 is the combined focal length of described 5th lens and described 6th lens, and f78 is the combined focal length of described 7th lens and described 8th lens.
8. an imaging device, it is characterised in that: including two camera lenses as according to any one of claim 1-7, two described camera lenses are staggered relatively, and the optical axis of two described camera lenses is parallel to each other, the angle of visual field of two described camera lenses is all higher than 180 degree.
9. imaging device according to claim 8, it is characterized in that: the first summit of the first lens of the front lens group that a described camera lens in two described camera lenses includes is d1 to the distance on the second summit, first summit of the first lens of the front lens group that another the described camera lens in two described camera lenses includes is d2 to the distance on the second summit, and two described camera lenses meet the following conditions:
D1=d2, and 8≤d1/f≤16,
Wherein, described first summit is the intersection point of described optical axis and the object side surface of described first lens, and described second summit is the intersection point of described optical axis and the reflecting surface of described first lens, and f is the focal length of described camera lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620054542.1U CN205353445U (en) | 2016-01-20 | 2016-01-20 | Camera lens and image device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620054542.1U CN205353445U (en) | 2016-01-20 | 2016-01-20 | Camera lens and image device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205353445U true CN205353445U (en) | 2016-06-29 |
Family
ID=56178697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620054542.1U Withdrawn - After Issue CN205353445U (en) | 2016-01-20 | 2016-01-20 | Camera lens and image device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205353445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527695A (en) * | 2016-01-20 | 2016-04-27 | 北京疯景科技有限公司 | Lens and imaging device |
-
2016
- 2016-01-20 CN CN201620054542.1U patent/CN205353445U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105527695A (en) * | 2016-01-20 | 2016-04-27 | 北京疯景科技有限公司 | Lens and imaging device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105467560B (en) | A kind of camera lens and imaging device | |
| US11137671B2 (en) | Camera lens and imaging device | |
| CN105527695B (en) | A kind of camera lens and imaging device | |
| CN105911677B (en) | Near-infrared large aperture camera lens | |
| CN107065137A (en) | Ultra wide-angle imaging optical system and its camera module of application | |
| CN105549181B (en) | A kind of wide-angle high pixel imaging optical system and its camera lens of application | |
| CN106443976B (en) | Large aperture high definition optical system and its camera lens of application | |
| CN205620601U (en) | Wide -angle lens and camera equipment who uses this wide -angle lens | |
| CN106443971B (en) | The optical system in mould group and its camera lens of application are taken the photograph applied to panorama pair | |
| CN105866932B (en) | High pixel day and night confocal panoramic shooting optical system and its camera lens of application | |
| WO2016176911A1 (en) | Small-size wide-angle camera lens | |
| CN107577032A (en) | Low distortion wide-angle lens | |
| CN106019540B (en) | High pixel ultra-wide angle optical system and its camera lens of application | |
| CN205539662U (en) | Camera lens and image device | |
| CN209417405U (en) | A kind of undistorted camera lens of large aperture near-infrared | |
| CN107193111A (en) | High pixel fish eye optical systems and its camera module of application | |
| CN104849838A (en) | High-pixel intelligent shooting optical system and lens applying same | |
| CN205450424U (en) | A supplementary image device for intelligent terminal | |
| CN206362992U (en) | High definition fish eye lens | |
| CN205353445U (en) | Camera lens and image device | |
| CN106371196B (en) | The short overall length optical system of the high pixel of large aperture ultra-wide angle and its camera lens of application | |
| CN203101713U (en) | Wide-angle lens | |
| CN205665457U (en) | High definition optical imaging system that takes photo by plane | |
| CN208421383U (en) | The high pixel fish eye optical systems of ultra-wide angle and its camera module of application | |
| CN107121758B (en) | High-pixel ultra-wide-angle optical system and camera module applying same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170313 Address after: 100041 Beijing, Shijingshan District Xing Xing street, building 30, No. 17, building 4, No. 80 Patentee after: BEIJING FENGJING TECHNOLOGY Co.,Ltd. Patentee after: BEIJING XIAOMI MOBILE SOFTWARE Co.,Ltd. Address before: 100000 Beijing, Shijingshan District Xing Xing street, building 30, No. 17, building 4, No. 80 Patentee before: BEIJING FENGJING TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20181120 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20160629 Effective date of abandoning: 20181120 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |