CN111781702A - Large-aperture super-large wide-angle monitoring optical system - Google Patents
Large-aperture super-large wide-angle monitoring optical system Download PDFInfo
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- CN111781702A CN111781702A CN202010569573.1A CN202010569573A CN111781702A CN 111781702 A CN111781702 A CN 111781702A CN 202010569573 A CN202010569573 A CN 202010569573A CN 111781702 A CN111781702 A CN 111781702A
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- 230000003287 optical effect Effects 0.000 title claims abstract description 53
- 238000012544 monitoring process Methods 0.000 title claims abstract description 25
- 239000000463 material Substances 0.000 claims description 24
- 238000002360 preparation method Methods 0.000 claims 1
- 230000000007 visual effect Effects 0.000 description 10
- 238000003384 imaging method Methods 0.000 description 6
- 238000012369 In process control Methods 0.000 description 3
- 210000004544 dc2 Anatomy 0.000 description 3
- 238000004190 ion pair chromatography Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
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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
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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
- G02B13/0045—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 five or more lenses
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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
- G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
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Abstract
The embodiment of the invention discloses a large-aperture super-large wide-angle monitoring optical system, which sequentially comprises the following components from an object plane to an image plane along an optical axis: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens; the object surface side of the first lens is a convex surface, the image surface side of the first lens is a concave surface, and the focal power of the first lens is negative; the object surface side of the second lens is a concave surface, the image surface side of the second lens is a convex surface, and the focal power of the second lens is positive; the object surface side of the third lens is a convex surface, the image surface side of the third lens is a convex surface, and the focal power of the third lens is positive; the object plane side of the fourth lens is a concave surface, the image plane side of the fourth lens is a concave surface, and the focal power of the fourth lens is negative; the image surface side of the fifth lens is a convex surface, and the focal power of the fifth lens is positive; the object plane side of the sixth lens is a convex surface, the image plane side is a concave surface, and the focal power of the sixth lens is positive. The optical system of the embodiment of the invention mainly comprises 6 lenses, and has the advantages of reasonable number of lenses, simple structure, small volume, light weight and low cost.
Description
The technical field is as follows:
the invention relates to an optical system, in particular to a large-aperture and ultra-large wide-angle monitoring optical system suitable for the field of monitoring.
Background art:
along with social development, the living standard of people is continuously improved, and the visual intelligent doorbell is widely applied to medium-high-grade residences in various large and small districts. The key core in the visual wisdom doorbell is optical system, however its optical system has the structure complicacy, and the volume is bigger than normal, and visual range is little, and night vision effect is poor, the poor problem of definition. And in practical use, the phenomenon of virtual focus appears in imaging due to serious heating.
The invention content is as follows:
in order to solve the problems of complex structure and large volume of the conventional optical system, the embodiment of the invention provides a large-aperture and ultra-large-wide-angle monitoring optical system.
The utility model provides a big light ring super large wide angle monitoring optical system, includes from the object plane to the image plane along the optical axis in proper order: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens;
the object surface side of the first lens is a convex surface, the image surface side of the first lens is a concave surface, and the focal power of the first lens is negative;
the object surface side of the second lens is a concave surface, the image surface side of the second lens is a convex surface, and the focal power of the second lens is positive;
the object surface side of the third lens is a convex surface, the image surface side of the third lens is a convex surface, and the focal power of the third lens is positive;
the object plane side of the fourth lens is a concave surface, the image plane side of the fourth lens is a concave surface, and the focal power of the fourth lens is negative;
the image surface side of the fifth lens is a convex surface, and the focal power of the fifth lens is positive;
the object plane side of the sixth lens is a convex surface, the image plane side is a concave surface, and the focal power of the sixth lens is positive.
The optical system of the embodiment of the invention mainly comprises 6 lenses, and has reasonable number of lenses, simple structure, small volume, light weight and low cost; the lens has the advantages that different lenses are combined with one another and the focal power is reasonably distributed, so that the lens has high resolution, large aperture, wide visual range, 3M high-definition imaging, excellent temperature compensation characteristic and good day and night confocal performance. The intelligent monitoring system is particularly suitable for the monitoring fields of visual intelligent doorbells, IPCs and the like.
Description of the drawings:
in order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic diagram of an optical system according to an embodiment of the present invention;
FIG. 2 is a graph of the MTF transfer function of an embodiment of the optical system of the present invention;
FIG. 3 is a relative illuminance diagram of an embodiment of the optical system of the present invention.
The specific implementation mode is as follows:
in order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the present embodiment discloses a large-aperture ultra-large wide-angle monitoring optical system, which sequentially includes, from an object plane to an image plane along an optical axis: a first lens 1, a second lens 2, a third lens 3, a fourth lens 4, a fifth lens 5, and a sixth lens 6.
The object surface side of the first lens is a convex surface, the image surface side of the first lens is a concave surface, and the focal power of the first lens is negative;
the object surface side of the second lens is a concave surface, the image surface side of the second lens is a convex surface, and the focal power of the second lens is positive;
the object surface side of the third lens is a convex surface, the image surface side of the third lens is a convex surface, and the focal power of the third lens is positive;
the object plane side of the fourth lens is a concave surface, the image plane side of the fourth lens is a concave surface, and the focal power of the fourth lens is negative;
the image surface side of the fifth lens is a convex surface, and the focal power of the fifth lens is positive;
the object plane side of the sixth lens is a convex surface, the image plane side is a concave surface, and the focal power of the sixth lens is positive.
The optical system of the embodiment of the invention mainly comprises 6 lenses, and has reasonable number of lenses, simple structure, small volume, light weight and low cost; the lens has the advantages that different lenses are combined with one another and the focal power is reasonably distributed, so that the lens has high resolution, large aperture, wide visual range, 3M high-definition imaging, excellent temperature compensation characteristic and good day and night confocal performance. The intelligent monitoring system is particularly suitable for the monitoring fields of visual intelligent doorbells, IPCs and the like.
Further, as a preferred embodiment of the present invention, but not limited thereto, each lens of the optical system satisfies the following condition:
(1)1.45＜∣f1/f∣＜2.5；
(2)5＜∣f2/f∣；
(3)0.8＜∣f3/f4∣＜1.2；
(4)0.6＜∣f4/f5∣＜0.96；
(5)10＜∣f6/f∣；
where f is a focal length of the entire optical system, f1 is a focal length of the first lens, f2 is a focal length of the second lens, f3 is a focal length of the third lens, f4 is a focal length of the fourth lens, f5 is a focal length of the fifth lens, and f6 is a focal length of the sixth lens. The lens has the advantages that different lenses are combined with one another and the focal power is reasonably distributed, so that the lens has high resolution, large aperture, wide visual range, 3M high-definition imaging, excellent temperature compensation characteristic and good day and night confocal performance.
Still further, as a preferred embodiment of the present invention, but not limited thereto, an aperture stop is located between the second lens and the third lens, near the third lens side. For adjusting the intensity of the light beam.
Further, as a preferred embodiment of the present invention, but not limited thereto, the refractive index Nd1 of the material, the abbe constant Vd1 of the material, the focal length f1 of the first lens and the system focal length f satisfy: 1.65< Nd1<1.92, 30< Vd1<60, 1.45 | f1/f | 2.5. Simple structure and can ensure good optical performance.
Still further, as a preferred embodiment of the present invention, but not limited thereto, the refractive index Nd3 of the material and the abbe constant Vd3 of the material of the third lens satisfy: 1.4< Nd3<1.65, 50< Vd3< 95. Simple structure and can ensure good optical performance.
Still further, as a preferred embodiment of the present invention, but not limited thereto, the refractive index Nd2 of the material and the abbe constant Vd2 of the material of the second lens satisfy: 1.56< Nd2<1.70, 10< Vd2< 35. Simple structure and can ensure good optical performance.
Further, as a preferred embodiment of the present invention, but not limited thereto, the refractive index Nd4 of the material and the abbe constant Vd4 of the material of the fourth lens satisfy: 1.56< Nd4<1.70, 10< Vd4< 35. Simple structure and can ensure good optical performance.
Still further, as a preferred embodiment of the present invention, but not limited thereto, the fifth lens has a refractive index Nd5 of a material and an abbe constant Vd5 of a material satisfying: 1.45< Nd5<1.60, 35< Vd5< 60. Simple structure and can ensure good optical performance.
Still further, as a preferred embodiment of the present invention, but not limited thereto, the refractive index Nd6 of the material of the sixth lens, the abbe constant Vd6 of the material, the focal length f6 of the sixth lens, and the system focal length f satisfy: 1.45< Nd6<1.60, 35< Vd6<60, 10< | f6/f |. Simple structure and can ensure good optical performance.
Further, as a preferred embodiment of the present invention, but not limiting thereto, the total optical length TTL satisfies: 10mm < TTL <15 mm. Simple structure and can ensure good optical performance.
Still further, as a preferred embodiment of the present invention, but not limited thereto, the first lens and the third lens are glass lenses; the second lens, the fourth lens, the fifth lens and the sixth lens are plastic aspheric lenses. Through using glass to mould mixed structure, rational distribution lens focal power optimizes the camera lens aberration, has optimized the camera lens performance when reduce cost.
Specifically, as a preferred embodiment of the present invention, but not limited thereto, in this embodiment, the focal length F of the optical system is 2.12mm, the stop index F/NO is 2.0, the field angle DFOV is 190 °, the total optical length TTL is 12.58mm, and the basic parameters of the optical system are as shown in the following table:
| surface of | Radius of curvature R (mm) | Spacing D (mm) | Refractive index Nd | Dispersion value Vd |
| S1 | 10.65 | 0.80 | 1.73 | 51.49 |
| S2 | 2.03 | 1.95 | ||
| S3 | -5.96 | 1.90 | 1.66 | 20.37 |
| S4 | -3.99 | 0.22 | ||
| STO | Infinite size | -0.12 | ||
| S6 | 3.83 | 1.80 | 1.57 | 71.31 |
| S7 | -3.36 | 0.54 | ||
| S8 | -3.04 | 0.50 | 1.66 | 20.37 |
| S9 | 8.07 | 0.10 | ||
| S10 | -16.42 | 1.25 | 1.53 | 56.07 |
| S11 | -2.03 | 0.10 | ||
| S12 | 3.33 | 1.00 | 1.53 | 56.07 |
| S13 | 3.78 | 0.45 | ||
| IMA | Infinite size | 0.00 |
In the above table, S1, S2 correspond to two surfaces of the first lens 1 from the object plane to the image plane 8 along the optical axis; s3, S4 correspond to both surfaces of the second lens 2; STO is diaphragm 7; s6, S7 correspond to both surfaces of the third lens 3; s8, S9 correspond to both surfaces of the fourth lens 4; s10, S11 correspond to both surfaces of the fifth lens 5; s12, S13 correspond to both surfaces of the sixth lens 6; IMA is the image plane 8.
Still further, as a preferred embodiment of the present invention, but not limited thereto, the surfaces of the second lens 2, the fourth lens 3, the fifth lens 5 and the sixth lens 6 are aspheric in shape, which satisfies the following equation:
wherein, the parameter c is 1/R, namely the curvature corresponding to the radius, y is a radial coordinate, the unit of which is the same as the unit of the length of the lens, k is a conic coefficient, a1To a8The coefficients are respectively corresponding to the radial coordinates. The aspheric correlation values of the second lens 2, the fourth lens 3, the fifth lens 5 and the sixth lens 6 are shown in the following table:
as can be seen from fig. 2 to 3, the optical system of the present embodiment has high resolution, large aperture, wide visible range, 3M high definition imaging, excellent temperature compensation characteristic, and good performance of complete confocal day and night.
The utility model provides a module of making a video recording, includes optical lens at least, installs the aforesaid in the optical lens big light ring super large wide angle monitoring optical system.
The camera module of the embodiment of the invention, the optical system of the embodiment of the invention, mainly comprises 6 lenses, the number of the lenses is reasonable, the structure is simple, the volume is small, the weight is light, and the cost is low; the lens has the advantages that different lenses are combined with one another and the focal power is reasonably distributed, so that the lens has high resolution, large aperture, wide visual range, 3M high-definition imaging, excellent temperature compensation characteristic and good day and night confocal performance. The intelligent monitoring system is particularly suitable for the monitoring fields of visual intelligent doorbells, IPCs and the like.
The foregoing is illustrative of one or more embodiments provided in connection with the detailed description and is not intended to limit the practice of the invention to the particular forms disclosed. Similar or identical methods, structures and the like as those of the present invention or several technical deductions or substitutions made on the premise of the conception of the present invention should be considered as the protection scope of the present invention.
Claims (10)
1. The utility model provides a big light ring super large wide angle monitoring optical system, includes from the object plane to the image plane along the optical axis in proper order: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens; it is characterized in that the preparation method is characterized in that,
the object surface side of the first lens is a convex surface, the image surface side of the first lens is a concave surface, and the focal power of the first lens is negative;
the object surface side of the second lens is a concave surface, the image surface side of the second lens is a convex surface, and the focal power of the second lens is positive;
the object surface side of the third lens is a convex surface, the image surface side of the third lens is a convex surface, and the focal power of the third lens is positive;
the object plane side of the fourth lens is a concave surface, the image plane side of the fourth lens is a concave surface, and the focal power of the fourth lens is negative;
the image surface side of the fifth lens is a convex surface, and the focal power of the fifth lens is positive;
the object plane side of the sixth lens is a convex surface, the image plane side is a concave surface, and the focal power of the sixth lens is positive.
2. The large aperture ultra-large wide angle monitoring optical system of claim 1, wherein each lens of the optical system satisfies the following conditions:
(1)1.45＜∣f1/f∣＜2.5；
(2)5＜∣f2/f∣；
(3)0.8＜∣f3/f4∣＜1.2；
(4)0.6＜∣f4/f5∣＜0.96；
(5)10＜∣f6/f∣；
where f is a focal length of the entire optical system, f1 is a focal length of the first lens, f2 is a focal length of the second lens, f3 is a focal length of the third lens, f4 is a focal length of the fourth lens, f5 is a focal length of the fifth lens, and f6 is a focal length of the sixth lens.
3. The large-aperture ultra-large-wide-angle monitoring optical system as claimed in claim 1 or 2, wherein the aperture stop is located between the second lens and the third lens, near the third lens side.
4. The large-aperture ultra-large wide-angle monitoring optical system as claimed in claim 1 or 2, wherein the refractive index Nd1 of the material of the first lens, the Abbe constant Vd1 of the material, the focal length f1 of the first lens and the focal length f of the system satisfy the following conditions: 1.65< Nd1<1.92, 30< Vd1<60, 1.45 | f1/f | 2.5.
5. The large-aperture ultra-large wide-angle monitoring optical system as claimed in claim 1 or 2, wherein the refractive index Nd3 of the material and the Abbe constant Vd3 of the material of the third lens satisfy the following conditions: 1.4< Nd3<1.65, 50< Vd3< 95.
6. The large-aperture ultra-large wide-angle monitoring optical system as claimed in claim 1 or 2, wherein the refractive index Nd2 of the material and the Abbe constant Vd2 of the material of the second lens satisfy the following conditions: 1.56< Nd2<1.70, 10< Vd2< 35.
7. The large-aperture ultra-large wide-angle monitoring optical system as claimed in claim 1 or 2, wherein the refractive index Nd4 of the material and the Abbe constant Vd4 of the material of the fourth lens satisfy the following conditions: 1.56< Nd4<1.70, 10< Vd4< 35.
8. The large-aperture ultra-large wide-angle monitoring optical system as claimed in claim 1 or 2, wherein the refractive index Nd5 of the material and the Abbe constant Vd5 of the material of the fifth lens satisfy the following conditions: 1.45< Nd5<1.60, 35< Vd5< 60.
9. The large-aperture ultra-large wide-angle monitoring optical system as claimed in claim 1 or 2, wherein the refractive index Nd6 of the material of the sixth lens, the Abbe constant Vd6 of the material, the focal length f6 of the sixth lens and the focal length f of the system satisfy the following conditions: 1.45< Nd6<1.60, 35< Vd6<60, 10< | f6/f |.
10. The large-aperture ultra-large wide-angle monitoring optical system according to claim 1 or 2, wherein total optical length TTL satisfies: 10mm < TTL <15 mm.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111880286A (en) * | 2020-06-20 | 2020-11-03 | 广东弘景光电科技股份有限公司 | Large-aperture super-large wide-angle monitoring camera module |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121756A (en) * | 2017-06-28 | 2017-09-01 | 浙江舜宇光学有限公司 | Optical imaging system |
| CN108072966A (en) * | 2016-11-15 | 2018-05-25 | 宁波舜宇车载光学技术有限公司 | Optical lens |
| CN108761737A (en) * | 2018-07-26 | 2018-11-06 | 浙江舜宇光学有限公司 | Optical imaging system |
| CN109541785A (en) * | 2019-01-22 | 2019-03-29 | 浙江舜宇光学有限公司 | Optical lens group |
| US20190154993A1 (en) * | 2017-06-28 | 2019-05-23 | Zhejiang Sunny Optical Co., Ltd. | Optical imaging system |
| CN111880286A (en) * | 2020-06-20 | 2020-11-03 | 广东弘景光电科技股份有限公司 | Large-aperture super-large wide-angle monitoring camera module |
| CN212873035U (en) * | 2020-06-20 | 2021-04-02 | 广东弘景光电科技股份有限公司 | Large-aperture super-large wide-angle monitoring optical system and camera module applying same |
-
2020
- 2020-06-20 CN CN202010569573.1A patent/CN111781702B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108072966A (en) * | 2016-11-15 | 2018-05-25 | 宁波舜宇车载光学技术有限公司 | Optical lens |
| CN107121756A (en) * | 2017-06-28 | 2017-09-01 | 浙江舜宇光学有限公司 | Optical imaging system |
| US20190154993A1 (en) * | 2017-06-28 | 2019-05-23 | Zhejiang Sunny Optical Co., Ltd. | Optical imaging system |
| CN108761737A (en) * | 2018-07-26 | 2018-11-06 | 浙江舜宇光学有限公司 | Optical imaging system |
| CN109541785A (en) * | 2019-01-22 | 2019-03-29 | 浙江舜宇光学有限公司 | Optical lens group |
| CN111880286A (en) * | 2020-06-20 | 2020-11-03 | 广东弘景光电科技股份有限公司 | Large-aperture super-large wide-angle monitoring camera module |
| CN212873035U (en) * | 2020-06-20 | 2021-04-02 | 广东弘景光电科技股份有限公司 | Large-aperture super-large wide-angle monitoring optical system and camera module applying same |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111880286A (en) * | 2020-06-20 | 2020-11-03 | 广东弘景光电科技股份有限公司 | Large-aperture super-large wide-angle monitoring camera module |
| CN111880286B (en) * | 2020-06-20 | 2023-12-29 | 广东弘景光电科技股份有限公司 | Large aperture ultra-large wide angle monitoring camera module |
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