CN207380318U - Focal length is the optical lens of 25mm - Google Patents
Focal length is the optical lens of 25mm Download PDFInfo
- Publication number
- CN207380318U CN207380318U CN201721046039.2U CN201721046039U CN207380318U CN 207380318 U CN207380318 U CN 207380318U CN 201721046039 U CN201721046039 U CN 201721046039U CN 207380318 U CN207380318 U CN 207380318U
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- China
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- eyeglass
- group
- optically focused
- focal length
- radius
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Abstract
The utility model discloses the optical lens that a kind of focal length is 25mm, including being from left to right arranged in order, and the first optically focused group, the second optically focused group, diverging group and the image planes of center line on the same line, the distance of first optically focused group and the second optically focused group is 5.49mm, the distance of second optically focused group and diverging group is 8.18mm, focal length 25mm.By the condenser effect of two optically focused groups, it can cause convergence effect of the extraneous light Jing Guo the first optically focused group, then on the second optically focused group is acted on, after the disperse function using diverging group, be ultimately applied in image planes.Thus, it is possible to which the optical lens that the focal length is 25mm is applied to detection device or is taken pictures on camera, applicability is improved.
Description
Technical field
The utility model belongs to a kind of light path, more particularly, to the optical lens that a kind of focal length is 25mm.
Background technology
With the development of science and technology, requirement of the people to various products is gradually diversified.In every detection device and phase
There is the light path for using different pixels requirement in machine, but the light path in detection device cannot lead to mostly with magazine light path
With adding the production difficulty of optical mirror slip.
Utility model content
It is the optical lens of 25mm the purpose of this utility model is to provide a kind of focal length, in can solving the above problems
It is at least one.
One side according to the present utility model provides the optical lens that a kind of focal length is 25mm, including from left to right
It is arranged in order, and the first optically focused group, the second optically focused group, diverging group and the image planes of center line on the same line, the first optically focused group
It is 5.49mm with the distance of the second optically focused group, the distance of the second optically focused group and diverging group is 8.18mm, focal length 25mm.
The beneficial effects of the utility model are：By the condenser effect of two optically focused groups, it can cause extraneous light warp
The convergence effect of the first optically focused group is crossed, then on the second optically focused group is acted on, after the disperse function using diverging group, finally
It acts in image planes.Thus, it is possible to which the optical lens that the focal length is 25mm is applied to detection device or is taken pictures on camera, carry
High applicability.
In some embodiments, the first optically focused group includes the first eyeglass and the second eyeglass that are from left to right arranged in order,
The center thickness of first eyeglass and the second eyeglass is respectively 1.5mm and 4.6mm, on the center line of the first eyeglass and the second eyeglass
For distance for 2.95mm, the first eyeglass is concavees lens, and the radius of left and right sides minute surface is respectively 145.9mm and 27.02mm, the second mirror
Piece is convex lens, and the radius of left and right sides minute surface is 104.74mm.Ambient can first pass through the remittance of the first eyeglass as a result,
It is poly-, it is then converged through the second eyeglass so that for light is compared with ambient, convergence effect has occurred.
In some embodiments, the second optically focused group includes the 3rd eyeglass and the 4th eyeglass that are from left to right arranged in order,
The center thickness of 3rd eyeglass and the 4th eyeglass is respectively 5.94mm and 7.04mm, on the center line of the 3rd eyeglass and the 4th eyeglass
Distance for 1.19mm, the 3rd eyeglass is convex lens, and the radius of left and right sides minute surface is respectively 24.23mm and 420.01mm, the
The left and right sides minute surface of four eyeglasses is raised to the left, and radius is respectively 14.22mm and 8.64mm.3rd eyeglass and the 4th as a result,
Eyeglass can converge light twice.
In some embodiments, diverging group includes the 5th eyeglass, the 6th eyeglass and the 7th that are from left to right arranged in order
Eyeglass, the center thickness of the 5th eyeglass, the 6th eyeglass and the 7th eyeglass are respectively 4.79mm, 3.6mm and 5.15mm, the 5th eyeglass
It is 0.2mm with the distance on the center line of the 6th eyeglass, the distance on the center line of the 6th eyeglass and the 7th eyeglass is 0.2mm,
The left and right sides minute surface of 5th eyeglass is raised to the right, and radius is respectively 9.69mm and 15.56mm, and the 6th eyeglass is convex lens,
The radius of left and right sides minute surface is respectively 192.84mm and 35.81mm, and the 7th eyeglass is convex lens, the radius of left and right sides minute surface
It is 54.35mm.The 5th eyeglass and the 6th eyeglass disperse light as a result, then light is converged through the 7th eyeglass,
It is ultimately applied in image planes.
In some embodiments, focal length is the optical lens of 25mm, and pixel is 5,000,000.Thus, it is possible to meet correlation
The requirement of pixel.
In some embodiments, the 4th eyeglass and the 5th eyeglass are engagement eyeglass.
Description of the drawings
Fig. 1 is the light path principle schematic diagram that the focal length of the utility model is the optical lens of 25mm.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
With reference to Fig. 1：Focal length is the optical lens of 25mm, and including being from left to right arranged in order, and center line is in same straight line
On the first optically focused group 1, the second optically focused group 2, diverging group 3 and image planes 4, the distance of the first optically focused group 1 and the second optically focused group 2 is
The distance of 5.49mm, the second optically focused group 2 and diverging group 3 is 8.18mm, focal length 25mm.
First optically focused group 1 includes the first eyeglass 11 and the second eyeglass 12 that are from left to right arranged in order, 11 He of the first eyeglass
The center thickness of second eyeglass 12 is respectively 1.5mm and 4.6mm, the distance on the center line of the first eyeglass 11 and the second eyeglass 12
For 2.95mm, the first eyeglass 11 is concavees lens, and the radius of left and right sides minute surface is respectively 145.9mm and 27.02mm, the second eyeglass
12 be convex lens, and the radius of left and right sides minute surface is 104.74mm.As shown in Figure 1, dotted line upward arrow direction is light in figure
Direction of transfer schematic diagram.
Extraneous light is tentatively converged after the first eyeglass 11 as a result, and phase then occurs by the second eyeglass 12
The diverging answered, the degree of divergence of light are less than convergence degree so that light is converged after the first optically focused group 1.
Second optically focused group 2 includes the 3rd eyeglass 21 and the 4th eyeglass 22 that are from left to right arranged in order, 21 He of the 3rd eyeglass
The center thickness of 4th eyeglass 22 is respectively 5.94mm and 7.04mm, on the center line of the 3rd eyeglass 21 and the 4th eyeglass 22 away from
From for 1.19mm, the 3rd eyeglass 21 is convex lens, and the radius of left and right sides minute surface is respectively 24.23mm and 420.01mm, the 4th
The left and right sides minute surface of eyeglass 22 is raised to the left, and radius is respectively 14.22mm and 8.64mm.
The effect of light after the first optically focused group 1 is in the second optically focused group 2 as a result, the 3rd mirror in the second optically focused group 2
21 and the 4th eyeglass 22 of piece carries out light the effect of convergence twice, then remakes in diverging group 3.
Diverging group 3 includes the 5th eyeglass 31, the 6th eyeglass 32 and the 7th eyeglass 33 that are from left to right arranged in order, the 5th mirror
The center thickness of piece 31, the 6th eyeglass 32 and the 7th eyeglass 33 is respectively 4.79mm, 3.6mm and 5.15mm, 33 He of the 5th eyeglass
Distance on the center line of 6th eyeglass 32 is 0.2mm, and the distance on the center line of the 6th eyeglass 32 and the 7th eyeglass 33 is
0.2mm, the left and right sides minute surface of the 5th eyeglass 31 is raised to the right, and radius is respectively 9.69mm and 15.56mm, the 6th eyeglass 32
For convex lens, the radius of left and right sides minute surface is respectively 192.84mm and 35.81mm, and the 7th eyeglass 33 is convex lens, controls two
The radius in side mirror face is 54.35mm.
The 5th eyeglass 31, the 6th eyeglass 32 and the 7th eyeglass 33 gradually dissipate light as a result, are ultimately applied to picture
On face 4.
Focal length is the optical lens of 25mm, and pixel is 5,000,000, which can be used in detector or camera
On, increase the scope of application.
4th eyeglass 22 and the 5th eyeglass 31 are engagement eyeglass.Thus, it is possible to meet the delivery request of light.
Above-described is only the preferred embodiment of the utility model, it is noted that for the ordinary skill of this field
For personnel, on the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.
Claims (1)
1. focal length is the optical lens of 25mm, which is characterized in that including being from left to right arranged in order, and center line is in same straight line
On the first optically focused group (1), the second optically focused group (2), diverging group (3) and image planes (4), the first optically focused group (1) and second poly-
The distance of light group (2) is 5.49mm, and the distance of the second optically focused group (2) and diverging group (3) is 8.18mm, and focal length is
25mm；
The first optically focused group (1) includes the first eyeglass (11) for being from left to right arranged in order and the second eyeglass (12), and described the
The center thickness of one eyeglass (11) and the second eyeglass (12) is respectively 1.5mm and 4.6mm, first eyeglass (11) and the second mirror
Distance on the center line of piece (12) is 2.95mm, and first eyeglass (11) is concavees lens, and the radius of left and right sides minute surface divides
Not Wei 145.9mm and 27.02mm, second eyeglass (12) be convex lens, the radius of left and right sides minute surface is 104.74mm；
The second optically focused group (2) includes the 3rd eyeglass (21) and the 4th eyeglass (22) that are from left to right arranged in order, and described the
The center thickness of three eyeglasses (21) and the 4th eyeglass (22) is respectively 5.94mm and 7.04mm, the 3rd eyeglass (21) and the 4th
Distance on the center line of eyeglass (22) is 1.19mm, and the 3rd eyeglass (21) is convex lens, the radius of left and right sides minute surface
Respectively 24.23mm and 420.01mm, the left and right sides minute surface of the 4th eyeglass (22) is raised to the left, and radius is respectively
14.22mm and 8.64mm；
The diverging group (3) includes the 5th eyeglass (31), the 6th eyeglass (32) and the 7th eyeglass that are from left to right arranged in order
(33), the center thickness of the 5th eyeglass (31), the 6th eyeglass (32) and the 7th eyeglass (33) is respectively 4.79mm, 3.6mm
And 5.15mm, the distance on the center line of the 5th eyeglass (33) and the 6th eyeglass (32) are 0.2mm, the 6th eyeglass
(32) distance and on the center line of the 7th eyeglass (33) is 0.2mm, the left and right sides minute surface of the 5th eyeglass (31) to
Right protrusion, radius are respectively 9.69mm and 15.56mm, and the 6th eyeglass (32) is convex lens, the radius of left and right sides minute surface
Respectively 192.84mm and 35.81mm, the 7th eyeglass (33) are convex lens, and the radius of left and right sides minute surface is
54.35mm；
Focal length is the optical lens of 25mm, and pixel is 5,000,000；
4th eyeglass (22) and the 5th eyeglass (31) are engagement eyeglass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721046039.2U CN207380318U (en) | 2017-08-18 | 2017-08-18 | Focal length is the optical lens of 25mm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721046039.2U CN207380318U (en) | 2017-08-18 | 2017-08-18 | Focal length is the optical lens of 25mm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207380318U true CN207380318U (en) | 2018-05-18 |
Family
ID=62342734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721046039.2U Withdrawn - After Issue CN207380318U (en) | 2017-08-18 | 2017-08-18 | Focal length is the optical lens of 25mm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207380318U (en) |
-
2017
- 2017-08-18 CN CN201721046039.2U patent/CN207380318U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180518 Effective date of abandoning: 20230328 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180518 Effective date of abandoning: 20230328 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |