CN206002754U - A kind of 12,000,000 pixel fish eye lenses - Google Patents
A kind of 12,000,000 pixel fish eye lenses Download PDFInfo
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- CN206002754U CN206002754U CN201620932735.2U CN201620932735U CN206002754U CN 206002754 U CN206002754 U CN 206002754U CN 201620932735 U CN201620932735 U CN 201620932735U CN 206002754 U CN206002754 U CN 206002754U
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Abstract
The utility model discloses a kind of 12,000,000 pixel fish eye lenses, the first lens group and the second lens group are disposed with by thing side to image side；First lens group is disposed with the first lens, the second lens, the 3rd lens and the 4th lens by thing side to image side；Second lens group is disposed with the 5th lens, diaphragm, the 6th lens, the 7th lens, the 8th lens by thing side to image side.Arranged by above-mentioned optical system, the camera lens that each lens of this utility model are constituted, can effective update the system aberration, reduce the sensitivity of lens combination, to obtain higher resolution, can be good fit with the chip of 12,000,000 pixels, improve the readability of image and the uniformity of periphery image quality simultaneously, preferably reduction reality scene, meets the visual demand of people.
Description
Technical field
This utility model is related to field of optical lens, more particularly to a kind of 12,000,000 pixel fish eye lenses.
Background technology
In prior art, fish eye lens can only be adapted to the SD CCD of 300,000 pixels or cmos camera, the details of image
Collection not exclusively, cannot be carried out completely reducing for real image, when daily video conversation and image evidence gather, no
Method meets visual demand.
With high resolution CCD, the emergence of cmos image sensor and development, and in web camera, monitoring, car
The fields such as load gradually start to apply, and the performance of video camera system by former simple image record, know by details till now
Not, the requirement to image definition improves constantly.
Therefore, market is badly in need of a kind of 12,000,000 pixel fish eye lenses so that the definition of video camera system improves, more
Good reduction reality scene, meets the visual demand of people.
Utility model content
The purpose of this utility model is to provide a kind of 12,000,000 pixel fish eye lenses, to solve what above-mentioned prior art existed
Problem, so that the definition of video camera system improves, preferably reduces reality scene, meets the visual demand of people.
For achieving the above object, this utility model provides following scheme：This utility model provides a kind of 12,000,000 pixels
Fish eye lens is it is characterised in that be disposed with the first lens group and the second lens group by thing side to image side；
Described first lens group is disposed with the first lens, the second lens, the 3rd lens and by thing side to image side
Four lens, described first lens are bent moon minus lenses, and described second lens are bent moon minus lenses, and described 3rd lens are born for bent moon
Lens, described 4th lens are positive power lens；
Described second lens group by thing side to image side be disposed with the 5th lens, diaphragm, the 6th lens, the 7th lens,
8th lens, described 5th lens are positive power lens, and described 6th lens are positive power lens, and described 7th lens are
Positive power lens, described 8th lens are positive power lens.
Preferably, described first lens group focal length is -2.5mm～-4.9mm, and the focal length of described second lens group is 3.9mm
～7.6mm.
Preferably, described first lens convex surface facing thing side, described first lens concave surface towards image side, described second
Lens convex surface facing thing side, described second lens concave surface towards image side, described 3rd lens convex surface facing thing side, described
The concave surface of the 3rd lens is towards image side.
Preferably, the convex surface of described 6th lens is disposed adjacent with the convex surface of described 7th lens.
Preferably, described 8th lens convex surface facing thing side.
Preferably, described 6th lens are balsaming lenss, and described 6th lens include the 9th lens and the tenth lens,
Described 9th lens are positive power lens, and described tenth lens are negative-power lenses, and described 7th lens are balsaming lenss,
Described 7th lens include the 11st lens and the 12nd lens, and described 11st lens are negative-power lenses, described
12nd lens are positive power lens；Described tenth lens are disposed adjacent with described 11st lens.
Preferably, described tenth lens are bent moon minus lenses, and described 11st lens are bent moon minus lenses.
This utility model achieves following technique effect with respect to prior art：After such scheme, this practicality is new
The camera lens that each lens of type are constituted, can effective update the system aberration, reduce the sensitivity of lens combination, with the higher solution of acquisition
Image force, can be good fit with the chip of 12,000,000 pixels, improves the readability of image and the uniform of periphery image quality simultaneously
Property, preferably reduce reality scene, meet the visual demand of people.
Brief description
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will be to embodiment
In required use accompanying drawing be briefly described it should be apparent that, drawings in the following description are only of the present utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of 12,000,000 pixels fish-eye optical system schematic diagram in this utility model embodiment,
Wherein, 1- first lens group, 2- second lens group, 11- first lens, 12- second lens, 13- the 3rd lens,
14- the 4th lens, 21- the 5th lens, 22- diaphragm, 23- the 6th lens, 231- the 9th lens, 232- the tenth lens, 24- the 7th
Lens, 241- the 11st lens, 242- the 12nd lens, 25- the 8th lens.
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
The purpose of this utility model is to provide a kind of 12,000,000 pixel fish eye lenses, to solve asking of prior art presence
Topic, so that the definition of video camera system improves, preferably reduces reality scene, meets the visual demand of people.
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to this utility model.
Embodiment one,
Refer to Fig. 1, Fig. 1 is that in this utility model embodiment one, a kind of fish-eye optical system of 12,000,000 pixels is shown
It is intended to.
The present embodiment provides a kind of 12,000,000 pixel fish eye lenses, including the first lens group 1, the second lens group 2, first
Lens 11, the second lens 12, the 3rd lens 13, the 4th lens 14, the 5th lens 21, diaphragm 22, the 6th lens 23, the 9th lens
231st, the tenth lens 232, the 7th lens 24, the 11st lens 241, the 12nd lens 242, the 8th lens 25.
First lens group 1 and the second lens group 2 are disposed with by thing side to image side；
First lens group 1 by thing side to image side be disposed with the first lens 11, the second lens 12, the 3rd lens 13 and
4th lens 14, the first lens 11 are bent moon minus lenses, and the second lens 12 are bent moon minus lenses, and the 3rd lens 13 are born thoroughly for bent moon
Mirror, the 4th lens 14 are positive power lens.First lens 11 convex surface facing thing side, the first lens 11 concave surface towards picture
Side, the second lens 12 convex surface facing thing side, the second lens 12 concave surface towards image side, the 3rd lens 13 convex surface facing thing
Side, the concave surface of the 3rd lens 13 are towards image side.First lens group 1 focal length is -2.5mm～-4.9mm.Above-mentioned first lens group 1
Optical setup, is capable of the rapid desufflation of light, the virtualization phenomenon producing when effectively reducing imaging, and then improves total system
Definition；
It is saturating that second lens group 2 is disposed with the 5th lens 21, diaphragm 22, the 6th lens the 23, the 7th by thing side to image side
Mirror 24, the 8th lens 25, the 5th lens 21 are positive power lens, and the 6th lens 23 are positive power lens, the 7th lens 24
For positive power lens, the 8th lens are positive power lens.The convex surface of the 6th lens 23 is adjacent with the convex surface of the 7th lens 24
Setting.8th lens 25 convex surface facing thing side.The focal length of the second lens group 2 is 3.9mm～7.6mm.
Embodiment two,
The present embodiment is further improved embodiment on the basis of embodiment one, its improve point out to be saturating by the 6th
Mirror and the 7th lens are improved to balsaming lenss, specially：
6th lens 23 are balsaming lenss, and the 6th lens 23 include the 9th lens 231 and the tenth lens 232, the 9th
Lens 231 are positive power lens, and the tenth lens 232 are negative-power lenses, and the 7th lens 24 are balsaming lenss, the 7th lens
24 include the 11st lens 241 and the 12nd lens 242, and the 11st lens 241 are negative-power lenses, the 12nd lens
242 is positive power lens；Tenth lens 232 are disposed adjacent with described 11st lens 241.Based on above-mentioned design, Ke Yiyou
The correcting chromatic aberration of effect, improves the overall definition of system.
Preferably, the tenth lens 232 are bent moon minus lenses, the 11st lens 241 are bent moon minus lenses.
Apply specific case in this utility model principle of the present utility model and embodiment are set forth, above
The explanation of embodiment is only intended to help understand method of the present utility model and its core concept；Simultaneously for this area one
As technical staff, according to thought of the present utility model, all will change in specific embodiments and applications.To sum up
Described, this specification content should not be construed as to restriction of the present utility model.
Claims (7)
1. a kind of 12,000,000 pixel fish eye lenses it is characterised in that by thing side to image side be disposed with the first lens group and
Second lens group；
It is saturating that described first lens group is disposed with the first lens, the second lens, the 3rd lens and the 4th by thing side to image side
Mirror, described first lens are bent moon minus lenses, and described second lens are bent moon minus lenses, and described 3rd lens are born thoroughly for bent moon
Mirror, described 4th lens are positive power lens；
Described second lens group by thing side to image side be disposed with the 5th lens, diaphragm, the 6th lens, the 7th lens, the 8th
Lens, described 5th lens are positive power lens, and described 6th lens are positive power lens, and described 7th lens are positive light
Power lenses, described 8th lens are positive power lens.
2. fish eye lens according to claim 1 it is characterised in that described first lens group focal length be -2.5mm～-
4.9mm, the focal length of described second lens group is 3.9mm～7.6mm.
3. fish eye lens according to claim 1 it is characterised in that described first lens convex surface facing thing side, described
The concave surface of the first lens towards image side, described second lens convex surface facing thing side, described second lens concave surface towards image side,
Described 3rd lens convex surface facing thing side, described 3rd lens concave surface towards image side.
4. fish eye lens according to claim 1 is it is characterised in that the convex surface of described 6th lens and described 7th lens
Convex surface be disposed adjacent.
5. fish eye lens according to claim 1 it is characterised in that described 8th lens convex surface facing thing side.
6. fish eye lens according to claim 1 it is characterised in that described 6th lens be balsaming lenss, the described 6th
Lens include the 9th lens and the tenth lens, and described 9th lens are positive power lens, and described tenth lens are negative light
Power lenses, described 7th lens are balsaming lenss, and described 7th lens include the 11st lens and the 12nd lens, institute
Stating the 11st lens is negative-power lenses, and described 12nd lens are positive power lens；Described tenth lens and described the
11 lens are disposed adjacent.
7. fish eye lens according to claim 6 is it is characterised in that described tenth lens are bent moon minus lenses, described the
11 lens are bent moon minus lenses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620932735.2U CN206002754U (en) | 2016-08-25 | 2016-08-25 | A kind of 12,000,000 pixel fish eye lenses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620932735.2U CN206002754U (en) | 2016-08-25 | 2016-08-25 | A kind of 12,000,000 pixel fish eye lenses |
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| Publication Number | Publication Date |
|---|---|
| CN206002754U true CN206002754U (en) | 2017-03-08 |
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ID=58198156
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620932735.2U Active CN206002754U (en) | 2016-08-25 | 2016-08-25 | A kind of 12,000,000 pixel fish eye lenses |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226889A (en) * | 2016-08-25 | 2016-12-14 | 厦门爱劳德光电有限公司 | A kind of 12,000,000 pixel fish eye lenses |
| CN109143553A (en) * | 2018-10-19 | 2019-01-04 | 广东奥普特科技股份有限公司 | A kind of high-resolution machine visual lens |
| CN110673313A (en) * | 2019-09-27 | 2020-01-10 | 上海电机学院 | Zoom fisheye lens system and design method |
-
2016
- 2016-08-25 CN CN201620932735.2U patent/CN206002754U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106226889A (en) * | 2016-08-25 | 2016-12-14 | 厦门爱劳德光电有限公司 | A kind of 12,000,000 pixel fish eye lenses |
| CN109143553A (en) * | 2018-10-19 | 2019-01-04 | 广东奥普特科技股份有限公司 | A kind of high-resolution machine visual lens |
| CN109143553B (en) * | 2018-10-19 | 2024-02-02 | 广东奥普特科技股份有限公司 | High-resolution machine vision lens |
| CN110673313A (en) * | 2019-09-27 | 2020-01-10 | 上海电机学院 | Zoom fisheye lens system and design method |
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