CN107367826A - Focal length is 35mm optical lens - Google Patents
Focal length is 35mm optical lens Download PDFInfo
- Publication number
- CN107367826A CN107367826A CN201710720900.7A CN201710720900A CN107367826A CN 107367826 A CN107367826 A CN 107367826A CN 201710720900 A CN201710720900 A CN 201710720900A CN 107367826 A CN107367826 A CN 107367826A
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- China
- Prior art keywords
- eyeglass
- light group
- distance
- optical lens
- radius
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
Abstract
The invention discloses the optical lens that a kind of focal length is 35mm, including being from left to right arranged in order, and the first light group, the second light group, the 3rd light group and the image planes of center line on the same line, first light group is 8.81mm with the distance of the second light group on centerline, and the second light group and the distance of the 3rd light group on centerline are 5.96mm.By the distance of each light group, the diverging and convergence of light are realized so that light is finally uniformly acted in image planes so that the optical lens can be used in optical mirror slip detector or industrial camera, meet requirement.
Description
Technical field
The invention belongs to a kind of light path, more particularly, to the optical lens that a kind of focal length is 35mm.
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 can not lead to mostly with magazine light path
With adding the production difficulty of optical mirror slip.
The content of the invention
It is an object of the invention to provide the optical lens that a kind of focal length is 35mm, can solve the problem that in above mentioned problem at least
One.
According to an aspect of the invention, there is provided a kind of focal length is 35mm optical lens, including from left to right successively
Arrangement, and the first light group, the second light group, the 3rd light group and the image planes of center line on the same line, the first light group and the second light
The distance of group on centerline is 8.81mm, and the second light group and the distance of the 3rd light group on centerline are 5.96mm.
The beneficial effects of the invention are as follows：By the distance of each light group, the diverging and convergence of light are realized so that light is most
Uniformly act on eventually in image planes so that the optical lens can be used in optical mirror slip detector or industrial camera, full
Sufficient requirement.
In some embodiments, the first light group includes the first eyeglass, the second eyeglass and the being from left to right arranged in order
Three eyeglasses, the center thickness of the first eyeglass, the second eyeglass and the 3rd eyeglass are respectively 5.4mm, 6.56mm and 3.86mm, the first mirror
The distance of piece and the second eyeglass on centerline is 0.21mm, and distance of second eyeglass with the 3rd eyeglass on centerline is
1.43mm, the first eyeglass are convex lens, and the minute surface radius of the left and right sides is respectively 42.11mm and 407.25mm, the second eyeglass
Left and right sides minute surface is raised to the left, and radius is respectively 19.62mm and 28.05mm, and the left and right sides minute surface of the 3rd eyeglass is equal
Raised to the left, radius is respectively 76.84mm and 11.7mm.Thus, it is possible to realize the preliminary convergence of incident ray.
In some embodiments, the second light group includes the 4th eyeglass and the 5th eyeglass being from left to right arranged in order, the
The center thickness of four eyeglasses and the 5th eyeglass is respectively 5.2mm and 5.14mm, and the 4th eyeglass and the 5th eyeglass are on centerline
Distance be 0.21mm, the left and right sides minute surface of the 4th eyeglass projection to the right, and radius is respectively 12.42mm and 18.61mm, the
Five eyeglasses are convex lens, and left and right sides minute surface radius is 52.58mm and 30.96mm.As a result, emergent ray is compared with incident ray
More dissipate.
In some embodiments, the 3rd light group includes the 6th eyeglass and the 7th eyeglass from left to right arranged, the 6th mirror
The center thickness of piece and the 7th eyeglass is respectively 4.79mm and 3.16mm, the distance of the 6th eyeglass and the 7th eyeglass on centerline
For 0.88mm, the left and right sides minute surface of the 6th eyeglass is raised to the left, and radius is respectively 20.06mm and 14.28mm, the 7th mirror
The left and right sides minute surface of piece is raised to the left, and radius is respectively 27.05mm and 297.34mm.As a result, light is by the
After two eyeglasses of three light groups, the light of different angle acts on the diverse location of image planes after convergence.
In some embodiments, focal length is 35mm optical lens, and its pixel is 5,000,000.Thus, it is possible to meet correlation
The requirement of pixel.
Brief description of the drawings
Fig. 1 is the light path principle schematic diagram that the focal length of the present invention is 35mm optical lens.
Embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
Reference picture 1：Focal length is 35mm optical lens, including is from left to right arranged in order, and center line is in same straight line
On the first light group 1, the second light group 2, the 3rd light group 3 and image planes 4, the distance of the first light group 1 and the second light group 2 on centerline
For 8.81mm, the distance of the second light group 2 and the 3rd light group 3 on centerline is 5.96mm.
First light group 1 includes the first eyeglass 11, the second eyeglass 12 and the 3rd eyeglass 13 that are from left to right arranged in order, and first
The center thickness of eyeglass 11, the second eyeglass 12 and the 3rd eyeglass 13 is respectively 5.4mm, 6.56mm and 3.86mm, the first eyeglass 11
It is 0.21mm with the distance of the second eyeglass 12 on centerline, distance of second eyeglass 12 with the 3rd eyeglass 13 on centerline is
1.43mm, the first eyeglass 11 are convex lens, and the minute surface radius of the left and right sides is respectively 42.11mm and 407.25mm, the second eyeglass
12 left and right sides minute surface is raised to the left, and radius is respectively 19.62mm and 28.05mm, the left and right sides of the 3rd eyeglass 13
Minute surface is raised to the left, and radius is respectively 76.84mm and 11.7mm.
Second light group 2 includes the 4th eyeglass 21 and the 5th eyeglass 22 that are from left to right arranged in order, the 4th eyeglass 21 and the
The center thickness of five eyeglasses 22 is respectively 5.2mm and 5.14mm, the distance of the 4th eyeglass 21 and the 5th eyeglass 22 on centerline
For 0.21mm, the left and right sides minute surface of the 4th eyeglass 21 is raised to the right, and radius is respectively 12.42mm and 18.61mm, and the 5th
Eyeglass 22 is convex lens, and left and right sides minute surface radius is 52.58mm and 30.96mm.
3rd light group 3 includes the 6th eyeglass 31 and the 7th eyeglass 32 from left to right arranged, the 6th eyeglass 31 and the 7th mirror
The center thickness of piece 32 is respectively 4.79mm and 3.16mm, and distance of the 6th eyeglass 31 with the 7th eyeglass 32 on centerline is
0.88mm, the left and right sides minute surface of the 6th eyeglass 31 is raised to the left, and radius is respectively 20.06mm and 14.28mm, the 7th mirror
The left and right sides minute surface of piece 32 is raised to the left, and radius is respectively 27.05mm and 297.34mm.
Focal length is 35mm optical lens, and its pixel is 5,000,000, and the optical lens can be used in detector or camera
On, increase the scope of application.
The focal length of the present invention is 35mm optical lens, by the eyeglass of certain radius, and the distance between each eyeglass,
In the image planes for realizing the effect of uniform light, and meet corresponding pixel request.
Above-described is only the preferred embodiment of the present invention, it is noted that for one of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection domain.
Claims (5)
1. focal length is 35mm optical lens, it is characterised in that including being from left to right arranged in order, and center line is in same straight line
On the first light group (1), the second light group (2), the 3rd light group (3) and image planes (4), the first light group (1) and the second light group (2)
Distance on centerline is 8.81mm, and distance of the second light group (2) with the 3rd light group (3) on centerline is
5.96mm。
2. focal length according to claim 1 is 35mm optical lens, it is characterised in that the first light group (1) includes
The first eyeglass (11), the second eyeglass (12) and the 3rd eyeglass (13) being from left to right arranged in order, first eyeglass (11),
The center thickness of two eyeglasses (12) and the 3rd eyeglass (13) is respectively 5.4mm, 6.56mm and 3.86mm, first eyeglass (11)
It is 0.21mm with the distance of the second eyeglass (12) on centerline, second eyeglass (12) is with the 3rd eyeglass (13) in center line
On distance be 1.43mm, first eyeglass (11) is convex lens, the minute surface radius of the left and right sides be respectively 42.11mm and
407.25mm, the left and right sides minute surface of second eyeglass (12) is raised to the left, radius be respectively 19.62mm and
28.05mm, the left and right sides minute surface of the 3rd eyeglass (13) is raised to the left, and radius is respectively 76.84mm and 11.7mm.
3. focal length according to claim 2 is 35mm optical lens, it is characterised in that the second light group (2) includes
The 4th eyeglass (21) being from left to right arranged in order and the 5th eyeglass (22), the 4th eyeglass (21) and the 5th eyeglass (22)
Center thickness is respectively 5.2mm and 5.14mm, and the 4th eyeglass (21) and the distance of the 5th eyeglass (22) on centerline are
0.21mm, the left and right sides minute surface of the 4th eyeglass (21) is raised to the right, and radius is respectively 12.42mm and 18.61mm,
5th eyeglass (22) is convex lens, and left and right sides minute surface radius is 52.58mm and 30.96mm.
4. focal length according to claim 3 is 35mm optical lens, it is characterised in that the 3rd light group (3) includes
The center of the 6th eyeglass (31) from left to right arranged and the 7th eyeglass (32), the 6th eyeglass (31) and the 7th eyeglass (32)
Thickness is respectively 4.79mm and 3.16mm, and distance of the 6th eyeglass (31) with the 7th eyeglass (32) on centerline is
0.88mm, the left and right sides minute surface of the 6th eyeglass (31) is raised to the left, and radius is respectively 20.06mm and 14.28mm,
The left and right sides minute surface of 7th eyeglass (32) is raised to the left, and radius is respectively 27.05mm and 297.34mm.
5. the optical lens that the focal length according to any one of Claims 1 to 4 is 35mm, it is characterised in that its pixel is 500
Ten thousand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710720900.7A CN107367826B (en) | 2017-08-18 | 2017-08-18 | Optical lens with 35mm focal length |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710720900.7A CN107367826B (en) | 2017-08-18 | 2017-08-18 | Optical lens with 35mm focal length |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107367826A true CN107367826A (en) | 2017-11-21 |
| CN107367826B CN107367826B (en) | 2023-03-24 |
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ID=60310697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710720900.7A Active CN107367826B (en) | 2017-08-18 | 2017-08-18 | Optical lens with 35mm focal length |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107367826B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009069195A (en) * | 2007-09-10 | 2009-04-02 | Fujinon Corp | Imaging lens, camera module and imaging equipment |
| CN201477270U (en) * | 2009-07-13 | 2010-05-19 | 厦门力鼎光电技术有限公司 | Optical lens |
| CN204101798U (en) * | 2014-10-26 | 2015-01-14 | 向五峰 | The light channel structure of 1500000 pixel camera lenses |
| US20160085049A1 (en) * | 2014-09-18 | 2016-03-24 | Fujifilm Corporation | Imaging lens and imaging apparatus |
-
2017
- 2017-08-18 CN CN201710720900.7A patent/CN107367826B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009069195A (en) * | 2007-09-10 | 2009-04-02 | Fujinon Corp | Imaging lens, camera module and imaging equipment |
| CN201477270U (en) * | 2009-07-13 | 2010-05-19 | 厦门力鼎光电技术有限公司 | Optical lens |
| US20160085049A1 (en) * | 2014-09-18 | 2016-03-24 | Fujifilm Corporation | Imaging lens and imaging apparatus |
| CN204101798U (en) * | 2014-10-26 | 2015-01-14 | 向五峰 | The light channel structure of 1500000 pixel camera lenses |
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| Publication number | Publication date |
|---|---|
| CN107367826B (en) | 2023-03-24 |
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