CN205539661U - 1200 super full shot of ten thousand pixels - Google Patents
1200 super full shot of ten thousand pixels Download PDFInfo
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- CN205539661U CN205539661U CN201620054461.1U CN201620054461U CN205539661U CN 205539661 U CN205539661 U CN 205539661U CN 201620054461 U CN201620054461 U CN 201620054461U CN 205539661 U CN205539661 U CN 205539661U
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Abstract
The utility model relates to a 1200 super full shot of ten thousand pixels, include a primary mirror section of thick bamboo and front surface mirror group, diaphragm, rear mirror group, front surface mirror group comprises first lens, second lens, third lens and fourth lens, and rear mirror group comprises the 5th lens, VI lenses, the 7th lens and the 8th lens, and the 5th lens and VI lenses form the veneer that connects airtight and organize, and the veneer group of connecting airtight is formed to the 7th lens and the 8th lens. The focus of this camera lens is 1.85mm 10%, system monitoring field angle and reaches 185 10%, relative aperture df' and be 1: 2.0 10%, full visual field MTF value surpasses 0.3 under the 250lpmm circumstances, be suitable for the camera more than the image planes 11.7inch, is suitable for spectral range and is 450 -850nm, realizes that day night is dual -purpose, realizes the 360 no dead angles control in fields such as video conferencing, office space, market retail shop.
Description
Technical field
This utility model relates to a kind of 12,000,000 super full shots of pixel, it is adaptable to video conference, field of handling official business
Institute, the field such as market retail shop carries out 360 ° and monitors without dead angle.
Background technology
Along with the development of China's economic construction, level of consumption and the structure of resident there occurs great variety,
The sense of self-protection of people the most constantly strengthens." safety society ", " safety implemented plus government driving
City " and the major project such as " 3111 " engineering, the most effectively promote the great market of security product.Mirror
Head is the eyes of security protection industry, and the many application owing to its limited market scope can not meet of conventional camera lens
The demand of occasion.Fish eye lens is by introducing barrel distortion, and angular field of view can reach 180～270 degree,
And can guarantee that the one-to-one relationship of object point and picture point, in astronomical, meteorological, forest fire protection and national defense and military
Important application is had in field.In recent years, the competition in China's front lens market was the most white-hot.Release at present
The fish-eye producer of 4K is less, and comprehensive product performance and function all exist certain deficiency.
Utility model content
The purpose of this utility model is to overcome disadvantage mentioned above, it is provided that a kind of 12,000,000 super full shots of pixel,
The focal length of this camera lens is 1.85mm ± 10%, and system monitoring field of view angle reaches 185 ° ± 10%, relative aperture D/f '
For 1:2.0 ± 10%, full filed mtf value more than 0.3, is suitable for image planes 1/1.7inch in the case of 250lp/mm
Above video camera, applicable spectral region is 450-850nm, it is achieved day and night, it is achieved video conference, do
360 ° of field such as public place, market retail shop etc. monitor without dead angle.
This utility model is achieved in that a kind of 12,000,000 super full shots of pixel, it is characterised in that:
The front lens group that including body tube and is set in turn in body tube along light direction, diaphragm, rear mirror group,
Described front lens group is by the first lens, the second lens, the 3rd lens and the 4th lens along light direction successively
Rearranging, wherein the first lens, the second lens and the 3rd lens are positive selenodont lens, and the 4th lens are
Biconvex lens, described rear mirror group is entered along light by the 5th lens, the 6th lens, the 7th lens and the 8th lens
Penetrating direction and be arranged in order composition, wherein the 5th lens are positive selenodont lens, and the 6th lens are biconvex lens,
7th lens are positive selenodont lens, and the 8th lens are biconvex lens, described 5th lens and the 6th battery of lens
Become glued group of contiguity, described 7th lens and glued group of the 8th lens composition contiguity.
Each lens of described front lens group need to meet following optical condition:
1.7 < n1 < 1.9,48 < v1 < 52；
1.7 < n2 < 2.0,50 < v2 < 54；
1.7 < n3 < 2.0,50 < v3 < 54；
1.7 < n4 < 1.9,25 < v4 < 28；
Wherein n1-n4 is followed successively by the refractive index of first lens the-the four lens, v1-v4 be followed successively by the first lens-
The Abbe number of the 5th lens；
Each lens of described rear mirror group need to meet following optical condition:
1.8 < n5 < 2.1,22 < v5 < 24；
1.4 < n6 < 1.6,70 < v6 < 73；
1.8 < n7 < 2.1,20 < v7 < 23；
1.5 < n8 < 1.8,55 < v8 < 58；
Wherein n5-n8 is followed successively by the refractive index of the 5th lens the-the eight lens, v5-v8 be followed successively by the 5th lens-
The Abbe number of the 8th lens.
The air gap between described first lens and the second lens is 3.1～3.4mm；Described second lens and
The air gap between 3rd lens is 6.1～6.5mm；Air between described 3rd lens and the 4th lens
Gap is 0.2～0.4mm；The air gap between described 4th lens and the 5th lens is 0.7～1mm；Institute
The air gap stated between the 6th lens and the 7th lens is 0.1～0.3mm.
The described 12,000,000 super full shots of pixel also include front trim ring, first machinery spacer ring, the second machinery every
Circle, the 3rd machinery spacer ring and optical filter, described first lens are fixedly installed in the front end nozzle of body tube,
Described front trim ring is fixedly installed in outside the front end nozzle of body tube and the front position of the first lens is risen spacing work
With；Described second lens, the 3rd lens, the 4th lens, the 5th lens, described 6th lens, the 7th saturating
Mirror and the 8th lens are fixedly installed in body tube body successively along light direction；Described first machinery spacer ring
It is fixedly installed in the front cylinder inwall of body tube and with both restrictions between the second lens and the 3rd lens
Airspace；Described second machinery spacer ring is fixedly installed in the cylinder inboard wall of body tube and is positioned at the 4th lens
And the 5th between lens with the airspace both limiting；Described 3rd machinery spacer ring is fixedly installed in body tube
Cylinder inboard wall and between the 6th lens and the 7th lens with limit both airspace；Described optical filtering
Sheet is fixedly arranged on the rear end face of body tube.
The described 12,000,000 super full shots of pixel are provided with M12 interface and lens length is 29.57mm, camera lens
Width is 34mm.
First lens, the second lens, the 3rd lens, the 4th lens, the 5th lens, the 6th lens, the 7th
Lens and the 8th lens effective transmissivity in 480-656nm spectral range are more than 99.5%.
For prior art, this utility model has the advantage that
(1) the one 12,000,000 super full shot of pixel that this utility model provides, the focal length of this camera lens is
1.85mm ± 10%, system monitoring field of view angle reaches 185 ° ± 10%, relative aperture D/f ' it is 1:2.0 ± 10%,
Full filed mtf value more than 0.3, is suitable for the video camera of more than image planes 1/1.7inch in the case of 250lp/mm,
Applicable spectral region is 450-850nm, it is achieved day and night, it is achieved video conference, office space, market business
360 ° of the fields such as paving monitor without dead angle；
(2) the one 12,000,000 super full shot of pixel that this utility model provides, is provided with M12 interface,
And the whole long 29.57mm of camera lens, wide 34mm, meet the requirement of miniaturization.
Accompanying drawing explanation
The utility model is described in further detail the most in conjunction with the embodiments:
Fig. 1 is the structural representation of this utility model 12,000,000 super full shot of pixel；
Fig. 2 is the index path of this utility model 12,000,000 super full shot of pixel.
Symbol description in figure: 1, body tube, the 2, first lens, the 3, second lens, the 4, the 3rd lens, 5,
4th lens, the 6, the 5th lens, the 7, the 6th lens, the 8, the 7th lens, the 9, the 8th lens, 10, front
Trim ring, 11, first machinery spacer ring, 12, second machinery spacer ring, the 13, the 3rd machinery spacer ring, 14, filter
Sheet, A, front lens group, B, diaphragm, C, rear mirror group.
Detailed description of the invention
Below in conjunction with Figure of description and specific embodiment, this utility model content is described in detail:
As Figure 1-Figure 2, the one 12,000,000 super full shot of pixel provided for this utility model,
Including body tube 1 and be set in turn in along light direction front lens group A in body tube 1, diaphragm B,
Rear mirror group C, described front lens group A is by the first lens the 2, second lens the 3, the 3rd lens 4 and the 4th lens 5
Being arranged in order composition along light direction, wherein first lens the 2, second lens 3 and the 3rd lens 4 are just
Selenodont lens, the 4th lens 5 are biconvex lens, described rear mirror group C by the 5th lens the 6, the 6th lens 7,
7th lens 8 and the 8th lens 9 are arranged in order composition along light direction, and wherein the 5th lens 6 are just
Selenodont lens, the 6th lens 7 are biconvex lens, and the 7th lens 8 are positive selenodont lens, the 8th lens 9
For biconvex lens, described 5th lens 6 and glued group of the 6th lens 7 composition contiguity, described 7th lens 8
With the 8th lens 9 composition contiguity glued group.
Each lens of described front lens group A need to meet following optical condition:
1.7 < n1 < 1.9,48 < v1 < 52；
1.7 < n2 < 2.0,50 < v2 < 54；
1.7 < n3 < 2.0,50 < v3 < 54；
1.7 < n4 < 1.9,25 < v4 < 28；
Wherein n1-n4 is followed successively by the refractive index of the first lens 2-the 4th lens 5, and v1-v4 is followed successively by first
The Abbe number of lens 2-the 5th lens 5；
Each lens of described rear mirror group C need to meet following optical condition:
1.8 < n5 < 2.1,22 < v5 < 24；
1.4 < n6 < 1.6,70 < v6 < 73；
1.8 < n7 < 2.1,20 < v7 < 23；
1.5 < n8 < 1.8,55 < v8 < 58；
Wherein n5-n8 is followed successively by the refractive index of the 5th lens 6-the 8th lens 9, and v5-v8 is followed successively by the 5th
The Abbe number of lens 6-the 8th lens 9.
The air gap between described first lens 2 and the second lens 3 is 3.1～3.4mm；Described second saturating
The air gap between mirror 3 and the 3rd lens 4 is 6.1～6.5mm；Described 3rd lens 4 and the 4th lens
The air gap between 5 is 0.2～0.4mm；Between the air between described 4th lens 5 and the 5th lens 6
Gap is 0.7～1mm；The air gap between described 6th lens 7 and the 7th lens 8 is 0.1～0.3mm.
The described 12,000,000 super full shots of pixel also include front trim ring the 10, first machinery spacer ring 11, second
Machinery spacer ring the 12, the 3rd machinery spacer ring 13 and optical filter 14, described first lens 2 are fixedly installed in primary mirror
In the front end nozzle of cylinder 1, described front trim ring 10 is fixedly installed in outside the front end nozzle of body tube 1 and to first
The front position of lens 2 plays position-limiting action；Described second lens 3, the 3rd lens 4, the 4th lens 5,
Five lens 6, described 6th lens the 7, the 7th lens 8 and the 8th lens 9 are fixed successively along light direction
It is installed in body tube 1 body；Described first machinery spacer ring 11 is fixedly installed in the front cylinder of body tube 1
Wall and between the second lens 3 and the 3rd lens 4 with limit both airspace；Described second machinery
Spacer ring 12 be fixedly installed in body tube 1 cylinder inboard wall and between the 4th lens 5 and the 5th lens 6 with
Limit both airspaces；Described 3rd machinery spacer ring 13 is fixedly installed in the cylinder inboard wall of body tube 1 also
With the airspace of both restrictions between the 6th lens 7 and the 7th lens 8；Described optical filter 14 is fixed
On the rear end face of body tube 1.
The described 12,000,000 super full shots of pixel are provided with M12 interface and lens length is 29.57mm, camera lens
Width is 34mm.
First lens the 2, second lens the 3, the 3rd lens the 4, the 4th lens the 5, the 5th lens the 6, the 6th lens
7, the 7th lens 8 and the 8th lens 9 effective transmissivity in 480-656nm spectral range are more than 99.5%.
The technical solution of the utility model is simply explained in detail by above-mentioned detailed description of the invention, and this practicality is new
Type is not only limited only to above-described embodiment, every any improvement according to this utility model principle or replacement,
All should be within protection domain of the present utility model.
Claims (6)
1. the super full shot of pixel, it is characterised in that: include body tube (1) and edge
Front lens group (A) that light direction is set in turn in body tube (1), diaphragm (B), rear mirror group (C),
Described front lens group (A) is by the first lens (2), the second lens (3), the 3rd lens (4) and the 4th lens
(5) it is arranged in order composition along light direction, wherein the first lens (2), the second lens (3) and
Three lens (4) are positive selenodont lens, and the 4th lens (5) are biconvex lens, described rear mirror group (C) by
5th lens (6), the 6th lens (7), the 7th lens (8) and the 8th lens (9) are along light side
To being arranged in order composition, wherein the 5th lens (6) are positive selenodont lens, and the 6th lens (7) are biconvex
Lens, the 7th lens (8) are positive selenodont lens, and the 8th lens (9) are biconvex lens, the described 5th
Lens (6) and the 6th lens (7) form glued group of contiguity, described 7th lens (8) and the 8th lens
(9) glued group of composition contiguity.
The 12000000 super full shots of pixel the most according to claim 1, it is characterised in that: before described
Each lens of mirror group (A) need to meet following optical condition:
1.7 < n1 < 1.9,48 < v1 < 52；
1.7 < n2 < 2.0,50 < v2 < 54；
1.7 < n3 < 2.0,50 < v3 < 54；
1.7 < n4 < 1.9,25 < v4 < 28；
Wherein n1-n4 is followed successively by the refractive index of the first lens (2)-the four lens (5), and v1-v4 is successively
It it is the Abbe number of the first lens (2)-the five lens (5)；
Each lens of described rear mirror group (C) need to meet following optical condition:
1.8 < n5 < 2.1,22 < v5 < 24；
1.4 < n6 < 1.6,70 < v6 < 73；
1.8 < n7 < 2.1,20 < v7 < 23；
1.5 < n8 < 1.8,55 < v8 < 58；
Wherein n5-n8 is followed successively by the refractive index of the 5th lens (6)-the eight lens (9), and v5-v8 is successively
It it is the Abbe number of the 5th lens (6)-the eight lens (9).
The 12000000 super full shots of pixel the most according to claim 1, it is characterised in that: described
The air gap between one lens (2) and the second lens (3) is 3.1～3.4mm；
The air gap between described second lens (3) and the 3rd lens (4) is 6.1～6.5mm；
The air gap between described 3rd lens (4) and the 4th lens (5) is 0.2～0.4mm；
The air gap between described 4th lens (5) and the 5th lens (6) is 0.7～1mm；
The air gap between described 6th lens (7) and the 7th lens (8) is 0.1～0.3mm.
The 12000000 super full shots of pixel the most according to claim 1, it is characterised in that: described 1200
The ten thousand super full shots of pixel also include front trim ring (10), the first machinery spacer ring (11), the second machinery spacer ring
(12), the 3rd machinery spacer ring (13) and optical filter (14), described first lens (2) are fixedly installed in master
In the front end nozzle of lens barrel (1), described front trim ring (10) is fixedly installed in the front end cylinder of body tube (1)
Outside mouthful and the front position of the first lens (2) is played position-limiting action；Described second lens (3), the 3rd lens
(4), the 4th lens (5), the 5th lens (6), described 6th lens (7), the 7th lens (8) and
It is internal that eight lens (9) are fixedly installed in body tube (1) successively along light direction；Described first machinery
Spacer ring (11) is fixedly installed in the front cylinder inwall of body tube (1) and is positioned at the second lens (3) and
With the airspace of both restrictions between three lens (4)；Described second machinery spacer ring (12) is fixedly installed in
The cylinder inboard wall of body tube (1) is also positioned between the 4th lens (5) and the 5th lens (6) with both limiting
Airspace；Described 3rd machinery spacer ring (13) is fixedly installed in cylinder inboard wall the position of body tube (1)
With the airspace of both restrictions between the 6th lens (7) and the 7th lens (8)；Described optical filter (14)
It is fixedly arranged on the rear end face of body tube (1).
5., according to the 12000000 super full shots of pixel according to any one of claim 1-4, its feature exists
In: the described 12,000,000 super full shots of pixel are provided with M12 interface and lens length is 29.57mm, camera lens
Width is 34mm.
6., according to the 12000000 super full shots of pixel according to any one of claim 1-4, its feature exists
In: the first lens (2), the second lens (3), the 3rd lens (4), the 4th lens (5), the 5th lens
(6), the 6th lens (7), the 7th lens (8) and the 8th lens (9) are at 480-656nm spectral range
Interior effective transmissivity is more than 99.5%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620054461.1U CN205539661U (en) | 2016-01-20 | 2016-01-20 | 1200 super full shot of ten thousand pixels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620054461.1U CN205539661U (en) | 2016-01-20 | 2016-01-20 | 1200 super full shot of ten thousand pixels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205539661U true CN205539661U (en) | 2016-08-31 |
Family
ID=56765817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620054461.1U Active CN205539661U (en) | 2016-01-20 | 2016-01-20 | 1200 super full shot of ten thousand pixels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205539661U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107656350A (en) * | 2017-11-15 | 2018-02-02 | 中山依瓦塔光学有限公司 | A kind of fish eye lens |
| TWI669564B (en) * | 2018-03-08 | 2019-08-21 | 中強光電股份有限公司 | Lens module and projection device |
-
2016
- 2016-01-20 CN CN201620054461.1U patent/CN205539661U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107656350A (en) * | 2017-11-15 | 2018-02-02 | 中山依瓦塔光学有限公司 | A kind of fish eye lens |
| TWI669564B (en) * | 2018-03-08 | 2019-08-21 | 中強光電股份有限公司 | Lens module and projection device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |