CN203573018U - Wide-angle and high-resolution small optics lens - Google Patents
Wide-angle and high-resolution small optics lens Download PDFInfo
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- CN203573018U CN203573018U CN201320707173.8U CN201320707173U CN203573018U CN 203573018 U CN203573018 U CN 203573018U CN 201320707173 U CN201320707173 U CN 201320707173U CN 203573018 U CN203573018 U CN 203573018U
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- 230000003287 optical effect Effects 0.000 claims description 15
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 239000006185 dispersion Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 230000004075 alteration Effects 0.000 abstract description 4
- 230000005499 meniscus Effects 0.000 abstract 2
- 230000007547 defect Effects 0.000 abstract 1
- 230000035945 sensitivity Effects 0.000 abstract 1
- 230000004304 visual acuity Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
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- 238000012544 monitoring process Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
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Abstract
The utility model discloses a wide-angle and high-resolution small optics lens. The wide-angle and high-resolution small optics lens comprises a first lens of a negative meniscus lens, a second lens of the negative meniscus lens, a third lens of a biconvex positive lens, a diaphragm, a bonding lens set and a sixth lens of the biconvex positive lens in sequence from the object side to the image side, wherein the bonding lens set is composed of a fourth lens and a fifth lens. The wide-angle and high-resolution small optics lens composed of the above lenses not only is small in size, but also can correct the system aberration effectively and reduce the sensitivity degree of a lens system so as to obtain the higher resolution power, then the resolution of a lens is larger than the pixel of two millions, the wide-angle and high-resolution small optics lens can be well used on a chip of the pixel of 5 millions, the image definition and uniformity of the surrounding image quality are improved, the defect that a traditional lens is low in performance index is overcome, and the wide angle and the high resolution are achieved.
Description
Technical field
The utility model relates to a kind of optical lens, refers to especially a kind of high-resolution optics tiny lens of wide-angle that is applied to the fields such as web camera, drive recorder, monitoring.
Background technology
The tiny lens of the various models of using at present, resolution is all lower, chip that can only adaptive 300,000 pixels.Along with the continuous appearance of various high resolution CCD, cmos image sensor, image capture produces generation while having entered high definition.For coordinating the chip of high-definition camera, camera lens just must improve accordingly element mutually.Particularly be applied in recent years the application such as drive recorder and web camera, for the camera lens of high definition, require more obvious.
Utility model content
The purpose of this utility model is to provide a kind of application that coordinates drive recorder and web camera, has improved image definition and periphery image quality homogeneity, overcomes the high-resolution optics tiny lens of wide-angle of the weakness that traditional lens performance index is low.
For achieving the above object, solution of the present utility model is:
The high-resolution optical lens of a kind of wide-angle, it is extremely sequentially comprised as side by thing side: the 3rd lens, a diaphragm, the balsaming lens group consisting of one the 4th lens and one the 5th lens and the 6th lens of a biconvex positive lens of the first lens of a bent moon negative lens, the second lens of a bent moon negative lens, a biconvex positive lens.
Described first lens thing side surface is convex surface, and its radius-of-curvature is 65mm ~ 85mm; First lens is concave surface as side surface, and its radius-of-curvature is-3.3 mm ~-4.0mm.
Described the second lens thing side surface is convex surface, and its radius-of-curvature is 30 ~ 40mm; The second lens are concave surface as side surface, and its radius-of-curvature is-3.8 mm ~-4.5mm.
Described the 3rd lens thing side surface with as side surface, be convex surface; The radius-of-curvature of the thing side surface of these the 3rd lens is 5.5 mm ~ 7.0mm, as the radius-of-curvature of side surface, is 18 mm ~ 25mm.
Described the 4th lens are double-concave negative lens, the 5th lens are biconvex positive lens, the two gummed forms lens combination, wherein the thing side surface of the 4th lens with as side surface, be concave surface, and the thing side surface of the 5th lens with as side surface, be convex surface, the radius-of-curvature of the thing side surface of these the 4th lens is-17 ~-20mm, and the radius-of-curvature of the thing side surface of the radius-of-curvature as side surface of the 4th lens and the 5th lens is 5.0 ~ 7.0mm, the radius-of-curvature as side surface of the 5th lens is 6.0 ~ 8.0mm.
Described the 4th lens are high-refractivity and low-dispersion glass, its refractive index Nd>1.80, and abbe number Vd<24, wherein Nd represents the refractive index of lens material d light, Vd represents the d light Abbe constant of lens material.
Described diaphragm is provided in a side of the aperture diaphragm between the 3rd lens and the 4th, the 5th balsaming lens group.
Described the 6th lens thing side surface with as side surface, be convex surface; The radius-of-curvature of its thing side surface is 11.5mm ~ 16.0mm, and its radius-of-curvature as side surface is 15.0mm ~ 20.0mm.
Between described the 4th, the 5th balsaming lens group and the 6th lens, be further provided with vignetting stop.
Described first lens and the second lens interval are between 2.2 ~ 3mm, the second lens and the 3rd lens interval are between 0.2 ~ 0.5mm, the 3rd lens and the 4th, the 5th balsaming lens group interval are between 0.5 ~ 1.2mm, and the interval of the 4th, the 5th balsaming lens group and the 6th lens is between 0.05 ~ 0.5mm.
The whole arrangement of mirrors head focal range that described each lens form is located between 3.5mm ~ 4.3mm.
Adopt after such scheme, not only volume is little for the camera lens that the each lens of the utility model form, and effectively update the system aberration, reduce the susceptibility of lens combination, to obtain higher resolving power, and then make more than resolution of lens is greater than 2,000,000 pixels, can, preferably for the chip of 5,000,000 pixels, improve image definition and periphery image quality homogeneity simultaneously, overcome traditional low weakness of lens performance index, and reach wide-angle, high-resolution feature.
Accompanying drawing explanation
Fig. 1 is the utility model optical system schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, explain embodiment of the present utility model:
As shown in Figure 1, the utility model has disclosed the high-resolution optical lens of a kind of wide-angle, and it is extremely sequentially comprised as side by thing side: the 3rd lens 3, a diaphragm 7, the balsaming lens group consisting of one the 4th lens 4 and one the 5th lens 5 and the 6th lens 6 of a biconvex positive lens of the first lens 1 of a bent moon negative lens, the second lens 2 of a bent moon negative lens, a biconvex positive lens;
Wherein said first lens 1 is bent moon negative lens, and its thing side surface 11 is convex surface, as side surface 12, is concave surface; The radius of curvature R 11 of this first lens 1 thing side surface 11 is 65mm ~ 85mm, as the radius of curvature R 12 of side surface 12, is-3.3 mm ~-4.0mm.
Described the second lens 2 are for being also bent moon negative lens, and its thing side surface 21 is convex surface, as side surface 22, is concave surface; The radius of curvature R 21 of these the second lens 2 thing side surfaces 21 is 30 ~ 40mm, as the radius of curvature R 22 of side surface 22, is-3.8 mm ~-4.5mm.
This first lens 1 and the second lens 2 all can adopt conventional ordinary optical material, effectively to reduce costs.It is that bent moon negative lens is mainly to shrink light that first lens and the second lens are set herein, reduces the size of lens group.
Described the 3rd lens 3 are biconvex positive lens, its thing side surface 31 with as side surface 32, be convex surface; The radius of curvature R 31 of the thing side surface 31 of these the 3rd lens 3 is 5.5 mm ~ 7.0mm, as the radius of curvature R 32 of side surface 32, is 18 mm ~ 25mm.
Described the 4th lens 4 are double-concave negative lens, the 5th lens 5 are biconvex positive lens, the two gummed forms lens combination, wherein the thing side surface 41 of the 4th lens 4 with as side surface 42, be concave surface, and the thing side surface 51 of the 5th lens 5 with as side surface 52, be convex surface, the radius of curvature R 41 of the thing side surface 41 of these the 4th lens 4 is-17 ~-20mm, and the radius of curvature R 51 of the radius of curvature R 42 as side surface 42 of the 4th lens 4 and the thing side surface 51 of the 5th lens 5 is 5.0 ~ 7.0mm, the radius of curvature R 52 as side surface 52 of the 5th lens 5 is 6.0 ~ 8.0mm.These the 4th lens 4 are high-refractivity and low-dispersion glass, its refractive index Nd>1.80, and abbe number Vd<24, wherein Nd represents the refractive index of lens material d light, Vd represents the d light Abbe constant of lens material.So design, can well share the focal power of first lens 1, first lens 1 concave surface manufacturability is improved, be convenient to processing, reduce costs, can effectively promote clearness simultaneously, and effective correcting chromatic aberration, Hoisting System entirety sharpness, makes the sharpness of whole system can reach 5 mega pixels.
Described diaphragm 7 is provided in a side of the aperture diaphragm between the 3rd lens 3 and the 4th, the 5th balsaming lens group.
Described the 6th lens 6 are biconvex positive lens, its thing side surface 61 with as side surface 62, be convex surface; The radius of curvature R 61 of the thing side surface 61 of these the 6th lens 6 is 11.5mm ~ 16.0mm, as the radius of curvature R 62 of side surface 62, is 15.0mm ~ 20.0mm.
Further can between the 4th, the 5th balsaming lens group and the 6th lens 6, be provided with vignetting stop 8, can effectively stop the impact of parasitic light on system.
Described first lens 1 and the second lens 2 intervals are between 2.2 ~ 3mm, the second lens 2 and the 3rd lens 3 intervals are between 0.2 ~ 0.5mm, the 3rd lens 3 and the 4th, the 5th balsaming lens group interval are between 0.5 ~ 1.2mm, and the interval of the 4th, the 5th balsaming lens group and the 6th lens 6 is between 0.05 ~ 0.5mm.The whole arrangement of mirrors head focal range that each lens form is located between 3.5mm ~ 4.3mm.
In addition, the bore of above-mentioned the second lens 2, the 3rd lens 3, the 4th lens 4, the 5th lens 5 and six lens 6 is identical, and the bore of first lens 1 is greater than the bore of each lens, so be convenient to the processing of lens barrel mechanical parts, effectively reduce the centre deviation producing in lens barrel processing, can effectively promote camera lens sharpness.And can effectively promote efficiency of assembling.
Not only volume is little for the camera lens consisting of above-mentioned each lens, and effectively update the system aberration, reduce the susceptibility of lens combination, to obtain higher resolving power, and then make more than resolution of lens is greater than 2,000,000 pixels, can be preferably for the chip of 5,000,000 pixels, improve image definition and periphery image quality homogeneity simultaneously, overcome traditional low weakness of lens performance index, and reach wide-angle, high-resolution feature.
Claims (10)
1. the high-resolution optical lens of wide-angle, is characterized in that: it is extremely sequentially comprised as side by thing side: the 3rd lens, a diaphragm, the balsaming lens group consisting of one the 4th lens and one the 5th lens and the 6th lens of a biconvex positive lens of the first lens of a bent moon negative lens, the second lens of a bent moon negative lens, a biconvex positive lens.
2. the high-resolution optical lens of wide-angle as claimed in claim 1, is characterized in that: described first lens thing side surface is convex surface, and its radius-of-curvature is 65mm ~ 85mm; First lens is concave surface as side surface, and its radius-of-curvature is-3.3 mm ~-4.0mm.
3. the high-resolution optical lens of wide-angle as claimed in claim 1, is characterized in that: described the second lens thing side surface is convex surface, and its radius-of-curvature is 30 ~ 40mm; The second lens are concave surface as side surface, and its radius-of-curvature is-3.8 mm ~-4.5mm.
4. the high-resolution optical lens of wide-angle as claimed in claim 1, is characterized in that: described the 3rd lens thing side surface with as side surface, be convex surface; The radius-of-curvature of the thing side surface of these the 3rd lens is 5.5 mm ~ 7.0mm, as the radius-of-curvature of side surface, is 18 mm ~ 25mm.
5. the high-resolution optical lens of wide-angle as claimed in claim 1, it is characterized in that: described the 4th lens are double-concave negative lens, the 5th lens are biconvex positive lens, the two gummed forms lens combination, wherein the thing side surface of the 4th lens with as side surface, be concave surface, and the thing side surface of the 5th lens with as side surface, be convex surface, the radius-of-curvature of the thing side surface of these the 4th lens is-17 ~-20mm, and the radius-of-curvature of the thing side surface of the radius-of-curvature as side surface of the 4th lens and the 5th lens is 5.0 ~ 7.0mm, the radius-of-curvature as side surface of the 5th lens is 6.0 ~ 8.0mm, described the 4th lens are high-refractivity and low-dispersion glass, its refractive index Nd>1.80, and abbe number Vd<24, wherein Nd represents the refractive index of lens material d light, Vd represents the d light Abbe constant of lens material.
6. the high-resolution optical lens of wide-angle as claimed in claim 1, is characterized in that: described diaphragm is provided in a side of the aperture diaphragm between the 3rd lens and the 4th, the 5th balsaming lens group.
7. the high-resolution optical lens of wide-angle as claimed in claim 1, is characterized in that: described the 6th lens thing side surface with as side surface, be convex surface; The radius-of-curvature of its thing side surface is 11.5mm ~ 16.0mm, and its radius-of-curvature as side surface is 15.0mm ~ 20.0mm.
8. the high-resolution optical lens of wide-angle as claimed in claim 1, is characterized in that: between described the 4th, the 5th balsaming lens group and the 6th lens, be further provided with vignetting stop.
9. the high-resolution optical lens of wide-angle as claimed in claim 1, it is characterized in that: described first lens and the second lens interval are between 2.2 ~ 3mm, the second lens and the 3rd lens interval are between 0.2 ~ 0.5mm, the 3rd lens and the 4th, the 5th balsaming lens group interval are between 0.5 ~ 1.2mm, and the interval of the 4th, the 5th balsaming lens group and the 6th lens is between 0.05 ~ 0.5mm.
10. the high-resolution optical lens of wide-angle as claimed in claim 1, is characterized in that: the whole arrangement of mirrors head focal range that described each lens form is located between 3.5mm ~ 4.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707173.8U CN203573018U (en) | 2013-11-11 | 2013-11-11 | Wide-angle and high-resolution small optics lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707173.8U CN203573018U (en) | 2013-11-11 | 2013-11-11 | Wide-angle and high-resolution small optics lens |
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| Publication Number | Publication Date |
|---|---|
| CN203573018U true CN203573018U (en) | 2014-04-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320707173.8U Expired - Lifetime CN203573018U (en) | 2013-11-11 | 2013-11-11 | Wide-angle and high-resolution small optics lens |
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| Country | Link |
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| CN (1) | CN203573018U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543517A (en) * | 2013-11-11 | 2014-01-29 | 厦门爱劳德光电有限公司 | Wide-angle and high-resolution small optics lens |
| TWI665486B (en) * | 2016-04-29 | 2019-07-11 | 大陸商信泰光學（深圳）有限公司 | Wide-angle lens |
| CN112014943A (en) * | 2019-05-30 | 2020-12-01 | 三营超精密光电(晋城)有限公司 | Wide-angle lens, image capturing device and vehicle |
-
2013
- 2013-11-11 CN CN201320707173.8U patent/CN203573018U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103543517A (en) * | 2013-11-11 | 2014-01-29 | 厦门爱劳德光电有限公司 | Wide-angle and high-resolution small optics lens |
| CN103543517B (en) * | 2013-11-11 | 2016-04-20 | 厦门爱劳德光电有限公司 | The optics tiny lens of wide-angle high-resolution |
| TWI665486B (en) * | 2016-04-29 | 2019-07-11 | 大陸商信泰光學（深圳）有限公司 | Wide-angle lens |
| CN112014943A (en) * | 2019-05-30 | 2020-12-01 | 三营超精密光电(晋城)有限公司 | Wide-angle lens, image capturing device and vehicle |
| CN112014943B (en) * | 2019-05-30 | 2022-04-22 | 三营超精密光电(晋城)有限公司 | Wide-angle lens, image capturing device and vehicle |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |