CN104849836A - Intelligent monitoring shooting optical system and lens applying same - Google Patents
Intelligent monitoring shooting optical system and lens applying same Download PDFInfo
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- CN104849836A CN104849836A CN201510309295.5A CN201510309295A CN104849836A CN 104849836 A CN104849836 A CN 104849836A CN 201510309295 A CN201510309295 A CN 201510309295A CN 104849836 A CN104849836 A CN 104849836A
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- lens
- optical system
- intelligent monitoring
- image pickup
- monitoring image
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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
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- General Physics & Mathematics (AREA)
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Abstract
One embodiment of the invention discloses an intelligent monitoring shooting optical system. The system at least successively comprises a first lens, a second lens, a third lens and a fourth lens from an object surface to an image surface along an optical axis, wherein the third lens and the fourth lens are bonded to each other to form a gummed lens, the caliber ratio of the optical system is f/2.0, and the optical system satisfies the following conditions: 1), -0.65<f/f1<-0.45; 2), 0.25<f/f2<0.75; and 3), 0.2<f/f34<0.4. On the other hand, another embodiment of the invention also provides a lens. According to the embodiments of the invention, the caliber ratio of the optical system or the lens is improved to f/2.0, at the same time, the tolerance latitude is good, the production yield rate is as high as 98%, and the reworking cost of a product is reduced; and besides, the optical conditions which the optical system or the lens meet enable the optical system or the lens to have excellent performance of providing total-interface clear images with more than millions of pixels.
Description
Technical field:
The present invention relates to the camera lens of a kind of optical system and application thereof, especially one is applicable to intelligent monitoring image pickup optical system and the camera lens of Smart Home and network monitoring (as IPCamera camera etc.).
Background technology:
Existing intelligent monitoring image pickup optical system and the camera lens being applicable to Smart Home and network monitoring, its exist optical system or camera lens aperture than little, produce the problem that yield is lower, cost is higher.
Summary of the invention:
In order to overcome in prior art, optical system or camera lens aperture are than little, that production yield is lower, cost is higher problem, and the embodiment of the present invention provides a kind of intelligent monitoring image pickup optical system on the one hand.
A kind of intelligent monitoring image pickup optical system, at least comprise successively from object plane to image planes along optical axis: the first lens, the second lens, the 3rd lens and the 4th lens, described 3rd lens and the 4th lens bond formation balsaming lens mutually; The relative aperture of this optical system is f/2.0, and optical system meets following condition:
(1)-0.65<f/f1<-0.45；
(2)0.25<f/f2<0.75；
(3)0.2<f/f34<0.4；
Wherein, f is the effective focal length of whole optical system, and f1 is the focal length of the first lens, and f2 is the focal length of the second lens, and f34 is that the 3rd lens and the 4th lens bond the combined focal length forming balsaming lens mutually.
On the other hand, the embodiment of the present invention additionally provides a kind of camera lens.
A kind of camera lens, is provided with intelligent monitoring image pickup optical system described above in camera lens.
The embodiment of the present invention, brings up to f/2.0 by the relative aperture of optical system or camera lens, has good tolerance tolerance simultaneously, makes it produce yield up to 98%, reduces product rework cost; Meanwhile, the optical condition that this optical system or camera lens meet, makes it have the premium properties of the full interface picture rich in detail providing more than mega pixel.
Accompanying drawing illustrates:
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of optical system of the present invention or camera lens;
Fig. 2 is the curvature of field and the distortion curve figure of optical system of the present invention or camera lens;
Fig. 3 is the MTF figure of optical system of the present invention or camera lens;
Fig. 4 is the relative exposure figure of optical system of the present invention or camera lens.
Embodiment:
In order to make technical matters solved by the invention, technical scheme and beneficial effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, a kind of intelligent monitoring image pickup optical system, 8 at least to comprise successively from object plane to image planes along optical axis: the first lens 1, second lens 2, the 3rd lens 3 and the 4th lens 4, described 3rd lens 3 and the 4th lens 4 mutually bonding form balsaming lens; The relative aperture of this optical system is f/2.0, and optical system meets following condition:
(1)-0.65<f/f1<-0.45；
(2)0.25<f/f2<0.75；
(3)0.2<f/f34<0.4；
Wherein, f is the effective focal length of whole optical system, and f1 is the focal length of the first lens 1, and f2 is the focal length of the second lens 2, and f34 is that the 3rd lens 3 and the 4th lens 4 bond the combined focal length forming balsaming lens mutually.
Further, described first lens 1 are meniscus lens, and its object plane side is convex surface, and image planes side is concave surface, has negative focal power, adopt heavy-lanthanide flint glass to make.
Again further, described second lens 2 are meniscus lens, its object plane side is convex surface, image planes side is concave surface, there is negative focal power, its focal distance f 2, Refractive Index of Material Nd2, material Abbe constant Vd2 meet: 3.97mm<f2<9.26mm, Nd2 > 1.85, Vd2 < 42.
Again further, described 3rd lens 3 are biconvex lens, have positive focal power, adopt heavy-lanthanide flint glass to make.
Further, the object plane side of described 4th lens 4 is concave surface, and image planes side is dimpling face or plane, has negative focal power, adopts dense flint glass to make.
Again further, described 3rd lens 3 and the 4th lens 4 bond the balsaming lens formed mutually, and focal power is just, its combined focal length f34 meets: 8.21mm<f34<12.43mm.
Again further, the diaphragm 5 of optical system is between the second lens 2 and the 3rd lens 3, and close 3rd lens 3 side.
Further, optical filter 6 and cover glass 8 is also provided with successively between described 4th lens 4 to image planes 8.
Particularly, in the present embodiment, the effective focal length f of this optical system is 2.64mm, stop index FNo. is 2.0, field angle 2 ω=111 °.Every basic parameter of this optical system is as shown in the table:
| Surface | Radius of curvature R (mm) | Interval D (mm) | Refractive index Nd | Dispersion values Vd |
| S1 | 84.83 | 0.6500 | 1.8061 | 40.94 |
| S2 | 4.02 | 9.8700 | ||
| S3 | 7.05 | 1.74000 | 1.8830 | 40.81 |
| S4 | 56.3 | 2.100 | ||
| S5 | Infinitely great | 0.5800 | ||
| STO | Infinitely great | 0.2000 | ||
| S7 | 5.6700 | 2.400 | 1.8061 | 40.94 |
| S8 | -2.4500 | 1.42000 | 1.9228 | 20.88 |
| S9 | Infinitely great | 0.300 | ||
| S10 | Infinitely great | 0.300 | 1.5168 | 64.20 |
| S11 | Infinitely great | 0.400 | ||
| S12 | Infinitely great | 0.450 | 1.5168 | 64.20 |
| S13 | Infinitely great | 2.593 |
In upper table, along optical axis from object plane to image planes 8, S1, S2 corresponds to two surfaces of the first lens 1; S3, S4 correspond to two surfaces of the second lens 2; S5, STO are two positions at diaphragm place; S7, S8 correspond to two surfaces of the 3rd lens 3; S8, S9 correspond to two surfaces of the 4th lens 4; S10, S11 correspond to two surfaces of optical filter 6; S12, S13 correspond to two surfaces of cover glass 7.
In as can be seen from Fig. 2 to Fig. 4, this optical system has good optical property, has large aperture, high resolving power, the day and night premium properties such as confocal.
A kind of camera lens, is provided with intelligent monitoring image pickup optical system described above in camera lens.
Be one or more embodiments provided in conjunction with particular content as mentioned above, do not assert that specific embodiment of the invention is confined to these explanations.Method all and of the present invention, structure etc. are approximate, identical, or for making some technology deduction or replace under concept thereof of the present invention, all should be considered as protection scope of the present invention.
Claims (10)
1. an intelligent monitoring image pickup optical system, at least comprises from object plane to image planes successively along optical axis: the first lens, the second lens, the 3rd lens and the 4th lens, is characterized in that, described 3rd lens and the 4th lens bond formation balsaming lens mutually; The relative aperture of this optical system is f/2.0, and optical system meets following condition:
(1)-0.65<f/f1<-0.45；
(2)0.25<f/f2<0.75；
(3)0.2<f/f34<0.4；
Wherein, f is the effective focal length of whole optical system, and f1 is the focal length of the first lens, and f2 is the focal length of the second lens, and f34 is that the 3rd lens and the 4th lens bond the combined focal length forming balsaming lens mutually.
2. intelligent monitoring image pickup optical system according to claim 1, is characterized in that, the object plane side of described first lens is convex surface, and image planes side is concave surface, has negative focal power.
3. intelligent monitoring image pickup optical system according to claim 1, it is characterized in that, the object plane side of described second lens is convex surface, image planes side is concave surface, there is negative focal power, its focal distance f 2, Refractive Index of Material Nd2, material Abbe constant Vd2 meet: 3.97mm<f2<9.26mm, Nd2 > 1.85, Vd2 < 42.
4. intelligent monitoring image pickup optical system according to claim 1, is characterized in that, described 3rd lens are biconvex lens, have positive focal power.
5. intelligent monitoring image pickup optical system according to claim 1, is characterized in that, the object plane side of described 4th lens is concave surface, and image planes side is dimpling face or plane, has negative focal power.
6. intelligent monitoring image pickup optical system according to claim 1, it is characterized in that, described 3rd lens and the 4th lens bond the balsaming lens of formation mutually, and focal power is just, its combined focal length f34 meets: 8.21mm<f34<12.43mm.
7. intelligent monitoring image pickup optical system according to claim 1, is characterized in that, the diaphragm of optical system is between the second lens and the 3rd lens, and close 3rd lens side.
8. intelligent monitoring image pickup optical system according to claim 1, is characterized in that, is also provided with optical filter and cover glass successively between described 4th lens to image planes.
9. intelligent monitoring image pickup optical system according to claim 1, is characterized in that, described first lens, the second lens, the 3rd lens and the 4th lens are glass lens.
10. a camera lens, is characterized in that, is provided with the intelligent monitoring image pickup optical system described in any one of claim 1-9 in camera lens.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510309295.5A CN104849836B (en) | 2015-06-06 | 2015-06-06 | A kind of intelligent monitoring image pickup optical system and its camera lens of application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510309295.5A CN104849836B (en) | 2015-06-06 | 2015-06-06 | A kind of intelligent monitoring image pickup optical system and its camera lens of application |
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| Publication Number | Publication Date |
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| CN104849836A true CN104849836A (en) | 2015-08-19 |
| CN104849836B CN104849836B (en) | 2017-03-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114967056A (en) * | 2022-06-01 | 2022-08-30 | 福建福光天瞳光学有限公司 | High-definition camera lens and imaging method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2725920Y (en) * | 2004-06-26 | 2005-09-14 | 谢莉 | Short focus big view field camera lens |
| CN2862067Y (en) * | 2005-09-08 | 2007-01-24 | 南阳市卧龙光学有限公司 | Imagery orthostigmat |
| US7548385B2 (en) * | 2006-11-06 | 2009-06-16 | Hoya Corporation | Wide-angle lens system |
| JP2013018316A (en) * | 2011-07-07 | 2013-01-31 | Tokai Rika Co Ltd | Webbing take-up device |
| CN204731473U (en) * | 2015-06-06 | 2015-10-28 | 中山市弘景光电科技有限公司 | The camera lens of a kind of intelligent monitoring image pickup optical system and application thereof |
-
2015
- 2015-06-06 CN CN201510309295.5A patent/CN104849836B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2725920Y (en) * | 2004-06-26 | 2005-09-14 | 谢莉 | Short focus big view field camera lens |
| CN2862067Y (en) * | 2005-09-08 | 2007-01-24 | 南阳市卧龙光学有限公司 | Imagery orthostigmat |
| US7548385B2 (en) * | 2006-11-06 | 2009-06-16 | Hoya Corporation | Wide-angle lens system |
| JP2013018316A (en) * | 2011-07-07 | 2013-01-31 | Tokai Rika Co Ltd | Webbing take-up device |
| CN204731473U (en) * | 2015-06-06 | 2015-10-28 | 中山市弘景光电科技有限公司 | The camera lens of a kind of intelligent monitoring image pickup optical system and application thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114967056A (en) * | 2022-06-01 | 2022-08-30 | 福建福光天瞳光学有限公司 | High-definition camera lens and imaging method thereof |
| CN114967056B (en) * | 2022-06-01 | 2024-01-12 | 福建福光天瞳光学有限公司 | High-definition camera lens and imaging method thereof |
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| CN104849836B (en) | 2017-03-08 |
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Address after: Twentieth, No. 18, No. fifth, Pioneer Road, Torch Development Zone, Zhongshan City, Guangdong Province, Zhongshan 528400 Applicant after: GUANGDONG HONGJING OPTOELECTRONIC TECHNOLOGY Inc. Address before: 528400 Zhongshan Province, the Torch Development Zone, Guangdong venture Road, No. twentieth, building fifth, floor 18 Applicant before: ZHONGSHAN HONGJING OPTICAL TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20180509 Address after: No. 333, Hu Sha Road, Hu Chang town, Xiantao, Hubei Province Patentee after: HONGJING OPTOELECTRONICS (XIANTAO) TECHNOLOGY Co.,Ltd. Address before: 528400 fifth building, Twentieth building fifth, Chuang Road, Zhongshan Torch Development Zone, Zhongshan, Guangdong, China. Patentee before: GUANGDONG HONGJING OPTOELECTRONIC TECHNOLOGY Inc. |
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Address after: No. 29, Xianhong Road, Duhu Sub District Office, Xiantao City, Hubei Province, 433000 Patentee after: HONGJING OPTOELECTRONICS (XIANTAO) TECHNOLOGY Co.,Ltd. Address before: No. 333, Hu Sha Road, Hu Chang town, Xiantao, Hubei Province Patentee before: HONGJING OPTOELECTRONICS (XIANTAO) TECHNOLOGY Co.,Ltd. |