CN106873132A - A kind of wide-angle large aperture glass moulds hybrid lenses - Google Patents
A kind of wide-angle large aperture glass moulds hybrid lenses Download PDFInfo
- Publication number
- CN106873132A CN106873132A CN201710213013.0A CN201710213013A CN106873132A CN 106873132 A CN106873132 A CN 106873132A CN 201710213013 A CN201710213013 A CN 201710213013A CN 106873132 A CN106873132 A CN 106873132A
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- Prior art keywords
- lens
- focal length
- wide
- large aperture
- angle large
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Classifications
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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
- G02B13/001—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
- G02B13/0015—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
- G02B13/002—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
- G02B13/004—Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface having four lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B13/00—Optical objectives specially designed for the purposes specified below
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/025—Mountings, adjusting means, or light-tight connections, for optical elements for lenses using glue
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lenses (AREA)
Abstract
The present invention relates to a kind of wide-angle large aperture glass modeling hybrid lenses, it is characterised in that：It is disposed with from object plane to image planes：First lens (1), diaphragm (2), second lens (3), described the second lens (3), 3rd lens (4), the, 4th lens (5), optical filter (6), described the first lens (1) are negative focal length lens, second lens (3) are the aspherical plastic lens of positive focal length, 3rd lens (4) are the aspherical plastic lens of negative focal length, 4th lens (5) are the aspherical plastic lens of positive focal length, wide-angle large aperture glass modeling hybrid lenses make aperture by common F2.2, F2.0 is promoted to F1.6, bigger aperture lifts the brightness of picture, preferably realize monitoring effect.
Description
【Technical field】
Patent of the present invention is related to a kind of wide-angle large aperture glass modeling hybrid lenses.
【Background technology】
Shortcoming as the fixed focus monitoring generally existing for using at present：Pixel raising is difficult, imaging picture taxes and profits degree is low, light
Circle is small, and image sharpness is damaged, and image quality difference substantially, there is colour cast effect, and veiling glare is more apparent under strong light environment, influence
The degree of purity of imaging effect and whole picture.
Due to there is above mentioned problem, it is necessary to propose solution to it, the present invention exactly makes in this context
's.
【The content of the invention】
The technical problems to be solved by the invention are for above-mentioned deficiency of the prior art, there is provided a kind of big light of wide-angle
Circle glass modeling hybrid lenses, wide-angle large aperture glass modeling hybrid lenses make aperture by common F2.2, and F2.0 is promoted to F1.6, more greatly
Aperture lifted picture brightness, preferably realize monitoring effect.
To achieve the above object, present invention employs following technical proposals：
A kind of wide-angle large aperture glass moulds hybrid lenses, is disposed with from object plane to image planes：First lens 1, diaphragm 2,
Two lens 3, the second described lens 3, the 3rd lens 4, the, the 4th lens 5, optical filter 6, the first described lens 1 are negative Jiao
Away from lens, second lens 3 are the aspherical plastic lens of positive focal length, and the 3rd lens 4 are that the aspherical plastic cement of negative focal length is saturating
Mirror, the 4th lens 5 are the aspherical plastic lens of positive focal length.
First lens 1 as described above are convex surface towards the one side of object plane, and another side is concave surface；The two of second lens 3
Individual face is convex surface, and two faces of the 3rd lens 4 are concave surface, the 4th lens 5 towards the one side of object plane be convex surface,
Another side is concave surface.
First lens 1 as described above use glass of high refractive index eyeglass.
The focal length of the first lens 1 as described above is f1, the focal length of second lens 3 is f2, Jiao of the 3rd lens 4
Away from being f3, the focal length of the camera lens of the 4th eyeglass 5 is f4, each focal length meets relation：-5<f3/f4<0,0<f4/f<4。
The abbe number of the first lens 1 as described above is Vd1, the abbe number of second lens 3 is Vd2, each eyeglass
Abbe number meets relation：Vd1>40, Vd2>40, Vd4>40, Vd3≤30。
The abbe number of the 3rd lens 4 as described above is Vd3, the abbe number of the 4th lens 5 is Vd4, meet：
Vd3-Vd4≥25。
The beneficial effects of the invention are as follows：
1st, camera lens accomplishes F1.6 large apertures among the present invention, and parsing power can reach more than 5,000,000 pixels, the double plastic cement of selection
Eyeglass glued construction, the aberration of effective control.The aspherical glued design performance that is more conducive to is improved.
2nd, the present invention can be used for the CMOS sensitive films of 5M pixels, and maximum image height is more than 3.45mm, and imaging sophistication is high.
3rd, the present invention uses 1G3P structures, and glass plastic cement is used in mixed way rear burnt skew when can effectively control different temperatures
Amount, while the use of plastic lens can preferably control cost.
【Brief description of the drawings】
Fig. 1 is schematic diagram of the invention.
Fig. 2 is the A portions zoomed-in view among Fig. 1.
Fig. 3 is light path schematic diagram of the invention.
【Specific embodiment】
Further detailed description is done to the present invention below in conjunction with the accompanying drawings.
As shown in Figure 1 to Figure 3, a kind of wide-angle large aperture glass modeling hybrid lenses, are disposed with from object plane to image planes：First
Lens 1, diaphragm 2, the second lens 3, the second described lens 3, the 3rd lens 4, the 4th lens 5, optical filter 6, described
One lens 1 are negative focal length lens, and second lens 3 are the aspherical plastic lens of positive focal length, and the 3rd lens 4 are negative focal length
Aspherical plastic lens, the 4th lens 5 are the aspherical plastic lens of positive focal length, and camera lens accomplishes the big light of F1.6 among the present invention
Circle, parsing power can reach more than 5,000,000 pixels, and the double plastic lens glued constructions of selection, the aberration of effective control is aspherical
Gluing is more conducive to design performance and improves, and in optical system, this camera lens is positive and negative eyeglass alternating structure, negative and positive negative and positive lens group
Close, can more preferable spherical aberration corrector.First piece is glass negative film, can preferably compress light, is conducive to imaging system below
Aberration correction.
As shown in Figure 1, Figure 2, Figure 3 shows, in the present embodiment, first lens 1 towards object plane one side be convex surface, it is another
Face is concave surface；Two faces of second lens 3 are convex surface, and two faces of the 3rd lens 4 are concave surface, the described 4th
Lens 5 are convex surface towards the one side of object plane, and another side is concave surface.
As shown in Figure 1, Figure 2, Figure 3 shows, in the present embodiment, first lens 1 use glass of high refractive index eyeglass, use
Glass of high refractive index eyeglass, more effectively compresses light.
As shown in Figure 1, Figure 2, Figure 3 shows, in the present embodiment, the focal length of first lens 1 is f1, second lens 3
Focal length be f2, the focal length of the 3rd lens 4 is f3, the focal length of the 4th lens 5 is f4, the focal length of camera lens is f, each Jiao
Away from meeting relation：-5<f3/f4<0,0<f4/f<4。
As shown in Figure 1, Figure 2, Figure 3 shows, in the present embodiment, the abbe number of first lens 1 is Vd1, described second
The abbe number of lens 3 is Vd2, the abbe number of each eyeglass meets relation： Vd1>40, Vd2>40, Vd4>40, Vd3≤30。
As shown in Figure 1, Figure 2, Figure 3 shows, in the present embodiment, the abbe number of the 3rd lens 4 is Vd3, the described 4th
The abbe number of lens 5 is Vd4, meet：Vd3-Vd4>=25, the lens 4 of the present embodiment the 3rd and the 4th lens 5 are from double glued knots
Structure, for correcting chromatic aberration, lifts image quality, and plastic lens cemented surface can be more beneficial for improving imaging using aspherical
Quality.
Claims (6)
1. a kind of wide-angle large aperture glass moulds hybrid lenses, it is characterised in that：It is disposed with from object plane to image planes：First lens
(1), diaphragm (2), the second lens (3), described the second lens (3), the 3rd lens (4), the 4th lens (5), optical filter
(6), described the first lens (1) are negative focal length lens, and second lens (3) are the aspherical plastic lens of positive focal length, described
3rd lens (4) are the aspherical plastic lens of negative focal length, and the 4th lens (5) are the aspherical plastic lens of positive focal length.
2. wide-angle large aperture glass according to claim 1 moulds hybrid lenses, it is characterised in that：First lens (1) court
It is convex surface to the one side of object plane, another side is concave surface；Two faces of second lens (3) are convex surface, the 3rd lens
(4) two faces are concave surface, and the 4th lens (5) are convex surface towards the one side of object plane, and another side is concave surface.
3. wide-angle large aperture glass according to claim 2 moulds hybrid lenses, it is characterised in that：First lens (1) are adopted
Use glass of high refractive index eyeglass.
4. wide-angle large aperture glass according to claim 2 moulds hybrid lenses, it is characterised in that：First lens (1)
Focal length is f1, the focal length of second lens (3) is f2, the focal length of the 3rd lens (4) is f3, the 4th eyeglass (5) mirror
The focal length of head is f4, each focal length meets relation：-5<f3/f4<0,0<f4/f<4。
5. the wide-angle large aperture glass according to claim 2 or 4 moulds hybrid lenses, it is characterised in that：First lens (1)
Abbe number be Vd1, the abbe number of second lens (3) is Vd2, the abbe number of each eyeglass meets relation：Vd1>
40, Vd2>40, Vd4>40, Vd3≤30。
6. wide-angle large aperture glass according to claim 5 moulds hybrid lenses, it is characterised in that：3rd lens (4)
Abbe number is Vd3, the abbe number of the 4th lens (5) is Vd4, meet：Vd3-Vd4≥25。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213013.0A CN106873132A (en) | 2017-04-01 | 2017-04-01 | A kind of wide-angle large aperture glass moulds hybrid lenses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710213013.0A CN106873132A (en) | 2017-04-01 | 2017-04-01 | A kind of wide-angle large aperture glass moulds hybrid lenses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106873132A true CN106873132A (en) | 2017-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710213013.0A Pending CN106873132A (en) | 2017-04-01 | 2017-04-01 | A kind of wide-angle large aperture glass moulds hybrid lenses |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236753A (en) * | 2021-11-26 | 2022-03-25 | 福建福光天瞳光学有限公司 | Fixed-focus optical imaging system and imaging method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008191230A (en) * | 2007-02-01 | 2008-08-21 | Canon Inc | Optical system and imaging apparatus having the same |
| JP4150565B2 (en) * | 2002-09-25 | 2008-09-17 | Ｈｏｙａ株式会社 | Endoscope objective lens system |
| JP2015034885A (en) * | 2013-08-09 | 2015-02-19 | キヤノン株式会社 | Single focus lens and image capturing device having the same |
| CN205679839U (en) * | 2016-04-21 | 2016-11-09 | 凤凰光学安防（上海）有限公司 | A kind of high/low temperature confocal optical arrangement it |
| CN206773274U (en) * | 2017-04-01 | 2017-12-19 | 中山联合光电科技股份有限公司 | A kind of glass moulds hybrid lenses |
-
2017
- 2017-04-01 CN CN201710213013.0A patent/CN106873132A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4150565B2 (en) * | 2002-09-25 | 2008-09-17 | Ｈｏｙａ株式会社 | Endoscope objective lens system |
| JP2008191230A (en) * | 2007-02-01 | 2008-08-21 | Canon Inc | Optical system and imaging apparatus having the same |
| JP2015034885A (en) * | 2013-08-09 | 2015-02-19 | キヤノン株式会社 | Single focus lens and image capturing device having the same |
| CN205679839U (en) * | 2016-04-21 | 2016-11-09 | 凤凰光学安防（上海）有限公司 | A kind of high/low temperature confocal optical arrangement it |
| CN206773274U (en) * | 2017-04-01 | 2017-12-19 | 中山联合光电科技股份有限公司 | A kind of glass moulds hybrid lenses |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114236753A (en) * | 2021-11-26 | 2022-03-25 | 福建福光天瞳光学有限公司 | Fixed-focus optical imaging system and imaging method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170620 |
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| RJ01 | Rejection of invention patent application after publication |