CN114911042B - Vehicle-mounted zoom optical system - Google Patents
Vehicle-mounted zoom optical system Download PDFInfo
- Publication number
- CN114911042B CN114911042B CN202210587968.3A CN202210587968A CN114911042B CN 114911042 B CN114911042 B CN 114911042B CN 202210587968 A CN202210587968 A CN 202210587968A CN 114911042 B CN114911042 B CN 114911042B
- Authority
- CN
- China
- Prior art keywords
- lens
- optical system
- lens group
- refractive power
- object side
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 117
- 101100279078 Arabidopsis thaliana EFL2 gene Proteins 0.000 claims description 4
- 102100031417 Elongation factor-like GTPase 1 Human genes 0.000 claims description 4
- 102100033940 Ephrin-A3 Human genes 0.000 claims description 4
- 101100171804 Homo sapiens EFNA3 gene Proteins 0.000 claims description 4
- 101000866914 Homo sapiens Elongation factor-like GTPase 1 Proteins 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 239000011521 glass Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 5
- 230000004075 alteration Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005286 illumination Methods 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012634 optical imaging Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/16—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective with interdependent non-linearly related movements between one lens or lens group, and another lens or lens group
-
- 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
- G02B15/00—Optical objectives with means for varying the magnification
- G02B15/14—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective
- G02B15/143—Optical objectives with means for varying the magnification by axial movement of one or more lenses or groups of lenses relative to the image plane for continuously varying the equivalent focal length of the objective having three groups only
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
- G02B3/02—Simple or compound lenses with non-spherical faces
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Nonlinear Science (AREA)
- Lenses (AREA)
Abstract
The invention relates to the technical field of optical systems, in particular to a vehicle-mounted zoom optical system. The optical axis is sequentially formed by a first lens group, a diaphragm, a second lens group and a third lens group from an object side to an image side, wherein the first lens group and the third lens group are fixed lens groups, and the second lens group moves between the first lens group and the third lens group along the optical axis; the first lens group comprises a first lens and a second lens, and the first lens has negative refractive power; the second lens has positive refractive power, the object side surface is a convex surface, and the image side surface is a convex surface; the second lens group comprises a third lens, a fourth lens and a fifth lens, the third lens has positive refractive power, and the object side surface is a convex surface; the fourth lens is a cemented lens, the object side surface is a convex surface, and the cemented surface is a convex surface; the fifth lens has negative refractive power, and the image side surface is a convex surface; the third lens group includes a sixth lens having positive refractive power. The optical system can adapt to a wide temperature range, realize conversion between wide-angle shooting and long-focus shooting, effectively improve illuminance and improve distortion.
Description
Technical Field
The invention relates to the technical field of optical imaging, in particular to a vehicle-mounted zoom optical system.
Background
In recent years, the rapid development of intelligent systems, and the reliability and optical performance of optical lenses serving as important components for visual identification are increasingly important. At present, the volume requirements of the optical lens on the lens are more and more strict, and the smaller volume lens is required to ensure good optical performance. And in order to adapt to the complex environment in practical application, the conventional vehicle-mounted lens is generally larger in volume and is generally a fixed-focus lens.
Disclosure of Invention
In view of the above-mentioned drawbacks and disadvantages of the prior art, the present invention provides a vehicle-mounted zoom optical system, which solves the problem of larger volume of an optical lens. The invention adopts the aspheric surface and the plastic lens to realize miniaturization of the lens, and the lens has a smaller temperature drift range, thereby realizing the application of the lens in complex environments. The zoom lens has the characteristic of zooming, and has a more flexible shooting range compared with a fixed-focus lens. The optical system of the invention can be suitable for high-performance operation in a wide temperature range.
In order to achieve the above purpose, the main technical scheme adopted by the invention comprises the following steps:
the embodiment of the invention provides a vehicle-mounted zoom optical system, which sequentially comprises a first lens group, a diaphragm, a second lens group and a third lens group from an object side to an image side along an optical axis, wherein the first lens group and the third lens group are fixed lens groups, and the second lens group moves between the first lens group and the third lens group along the optical axis; the first lens group comprises a first lens and a second lens, and the first lens has negative refractive power; the second lens has positive refractive power, the object side surface is a convex surface, and the image side surface is a convex surface; the second lens group comprises a third lens, a fourth lens and a fifth lens, the third lens has positive refractive power, and the object side surface is a convex surface; the fourth lens is a cemented lens, the object side surface is a convex surface, and the cemented surface is a convex surface; the fifth lens has negative refractive power, and the image side surface is a convex surface; the third lens group includes a sixth lens having a positive refractive power.
The optical system satisfies the following formula:
-5<F2/F5<0
5<F2/F3<8
EFLT/EFLW>1.5
wherein F2 is the focal length of the second lens; f3 is the focal length of the third lens; f5 is the focal length of the fifth lens; EFLT is the focal length of an optical system at the tele position; EFLW is the focal length of the optical system in the wide angle position. Meeting the above conditions can realize a smaller temperature drift range and realize lens zoom shooting.
Further, the optical system satisfies the following relationship:
0.5>CTT/CTW>0.4
the CTT is the distance between the first lens group and the second lens group on the optical axis when the optical system is in a long focal state; CTW is the distance between the first lens group and the second lens group on the optical axis when the optical system is in the wide-angle state. The function of optical zoom shooting can be realized after the conditions are met.
Further, the optical system satisfies the following relationship:
1<(R3+R4)/F2<51
wherein R3 is the curvature radius of the object side surface of the second lens; r4 is the image-side radius of curvature of the second lens, and F2 is the focal length of the second lens. The influence of optical distortion can be effectively improved after the conditions are satisfied.
Further, the optical system satisfies the following relationship:
-1.5<EFL1/EFL2<0
wherein EFL1 is the effective focal length of the first lens group, and EFL2 is the effective focal length of the second lens group. After the conditions are met, the zoom shooting of the optical system can be realized, and the volume of the optical system can be effectively improved.
Further, the optical system satisfies the following relationship:
R5/F3<1
wherein R5 is the curvature radius of the object side surface of the third lens; f3 is the focal length of the third lens. After the conditions are met, the lens can achieve improvement of the illuminance of the lens.
Further, the optical system satisfies the following relationship:
0.8<(RL1+RL2+RL3)/(RL1-RL2-RL3)<2.1
wherein, RL1 is the radius of curvature of the object side surface of the cemented lens, RL2 is the radius of curvature of the cemented surface of the cemented lens, and RL3 is the radius of curvature of the image side surface of the cemented lens. After the conditions are met, the optical performance can be effectively improved, and the influence of distortion is reduced
Further, the optical system satisfies the following relationship:
(IND6-1)*100/VB6≤1.5
wherein IND6 is the refractive index of the sixth lens and VB6 is the abbe number of the sixth lens. The influence of temperature drift can be effectively improved after the conditions are met.
Further, the optical system satisfies the following relationship:
-0.37≤SAG5/CT5≤0.2
wherein SAG5 is the vector height of the image side edge position of the fifth lens on the optical axis; CT5 is the center thickness of the optic of the fifth lens. The influence of optical distortion can be effectively improved after the conditions are satisfied, and the influence of temperature drift can be effectively reduced after the range is satisfied.
Further, an object side or an image side of at least one lens in the optical system adopts an aspherical surface, wherein the aspherical surface coefficient satisfies the following equation:
Z＝cy 2 /[1+{1－(1+k)c 2 y 2 } 1/2 ]+A4y 4 +A6y 6 +A8y 8 +A10y 10 +A12y 12 +
A14y 14 +A16y 16
wherein Z is aspheric sagittal, c is aspheric paraxial curvature, y is lens aperture, k is conic coefficient, A4 is 4 th order aspheric coefficient, A6 is 6 th order aspheric coefficient, A8 is 8 th order aspheric coefficient, A10 is 10 th order aspheric coefficient, A12 is 12 th order aspheric coefficient, A14 is 14 th order aspheric coefficient, A16 is 16 th order aspheric coefficient.
The beneficial effects of the invention are as follows: the invention provides a vehicle-mounted zoom optical system, which can improve the stable working performance of the optical system under a complex and changeable environment by adjusting the focal length and the shape of a lens, has a good temperature drift effect, can effectively improve the influence of distortion and improves the illumination of a lens. The lens collocation used in the invention can effectively reduce the volume of the lens, so that the lens is smaller and more compact, and the wide-angle shooting and the long-focus shooting of the lens can be realized by moving the second lens group.
The optical system can adapt to a wide temperature range, can realize conversion between wide-angle shooting and long-focus shooting, can effectively improve illumination, improve distortion and improve resolution performance. Compared with the prior optical system, the optical system has the advantages of miniaturization, stable work and the like. The invention can be applied to automobiles, unmanned aerial vehicles, intelligent robots or other devices requiring small optical lenses.
Drawings
Fig. 1 is a schematic diagram showing a configuration of a vehicle-mounted zoom optical system in embodiment 1 of the present invention in a wide-angle state;
fig. 2 is a schematic diagram showing a configuration of a vehicle-mounted zoom optical system in embodiment 1 of the present invention in a tele state;
fig. 3A, 3B and 3C show a distortion curve, an illuminance curve and a center field curve at different temperatures, respectively, of the in-vehicle zoom optical system of embodiment 1 of the present invention;
fig. 4 is a schematic view showing a configuration of a vehicle-mounted zoom optical system according to embodiment 2 of the present invention in a wide-angle state;
fig. 5 is a schematic diagram showing a configuration of a vehicle-mounted zoom optical system in embodiment 2 of the present invention in a tele state;
fig. 6A, 6B and 6C show a distortion curve, an illuminance curve and a center field curve at different temperatures, respectively, of the in-vehicle zoom optical system according to embodiment 2 of the present invention;
fig. 7 is a schematic diagram showing a configuration of a vehicle-mounted zoom optical system in embodiment 3 of the present invention in a wide-angle state;
fig. 8 is a schematic diagram showing a configuration of a vehicle-mounted zoom optical system according to embodiment 3 of the present invention in a tele state;
fig. 9A, 9B, and 9C show a distortion curve, an illuminance curve, and a center field curve at different temperatures, respectively, of the in-vehicle zoom optical system according to embodiment 3 of the present invention.
In the figure: 1. a first lens; 2. a second lens; 3. a third lens; 4. a fourth lens; 41. a first cemented lens; 42. a second cemented lens; 5. a fifth lens; 6. a sixth lens; 7. a diaphragm; 8. a light filter; 9. an image plane.
Detailed Description
The invention will be better explained by the following detailed description of the embodiments with reference to the drawings.
Example 1
Referring to fig. 1 and 2, the present invention provides a vehicle-mounted zoom optical system. The optical system includes, in order from an object side to an image side along an optical axis, a first lens group, a diaphragm 7, a second lens group, and a third lens group. The first lens group and the third lens group are fixed lens groups and do not move. The second lens group can move between the first lens group and the third lens group along the optical axis, so that the conversion of wide-angle shooting and long-focus shooting is realized. And a filter 8 arranged between the third lens group and the image plane 9.
The first lens group includes a first lens 1 and a second lens 2. The first lens 1 has negative refractive power and is made of glass. The second lens element 2 has positive refractive power, and is made of plastic, and has a convex object-side surface and a convex image-side surface.
The second lens group comprises a third lens 3, a fourth lens 4 and a fifth lens 5. The third lens element 3 has positive refractive power, and is made of glass, and has a convex object-side surface. The fourth lens 4 is a cemented lens with negative refractive power, and comprises a first cemented lens 41 and a second cemented lens 42, wherein the first cemented lens 41 and the second cemented lens 42 are made of glass; the object side surface is a convex surface, and the bonding surface is a convex surface. The cemented lens is composed of a positive lens and a negative lens of different refractive indexes. Through computer design, the paraxial images such as spherical aberration, coma aberration, chromatic aberration and the like are well corrected. The fifth lens element 5 has a negative refractive power, and is made of plastic material, and has a convex object-side surface.
The third lens group comprises a sixth lens 6, and the sixth lens 6 has positive refractive power and is made of glass.
Table (a) shows the surface types, radii of curvature, thicknesses, and materials of the lenses of the optical system of example 1. Wherein, the unit of curvature radius and thickness is millimeter (mm).
The design parameters of the optical system of this embodiment 1 are shown in the following table:
watch 1 (a)
Watch one (b)
In this embodiment, specific parameters of the optical system are shown in the following table:
watch one (c)
The zooming process and lens configuration of the optical system in embodiment 1 of the present invention are shown according to the structure and material characteristics of the optical system shown in table one (a), table one (b), fig. 1 and fig. 2.
According to the data in the table one (c) and the distortion curve in fig. 3A, it is clearly shown that the optical system can effectively improve the influence of distortion on the lens, so that the lens can shoot a clearer image.
According to the data in table one (c) and the illuminance curve in fig. 3B, it is clearly shown that the optical system can ensure the illuminance with higher edge, so that the edge of the photographed image is brighter.
The behavior of the optical system at different temperatures is clearly demonstrated from the data in table one (C) and the center field curves at different temperatures in fig. 3C.
According to the information description above: the optical system has small volume, can effectively improve the influence of distortion, improves the illuminance of the system, is suitable for normal operation at different temperatures, and can realize shooting from wide angle to telescopic.
Example 2
Referring to fig. 4 and 5, the present invention provides a vehicle-mounted zoom optical system. The optical system includes, in order from an object side to an image side along an optical axis, a first lens group, a diaphragm 7, a second lens group, and a third lens group. The first lens group and the third lens group are fixed lens groups and do not move. The second lens group can move between the first lens group and the third lens group along the optical axis, so that the conversion of wide-angle shooting and long-focus shooting is realized. And a filter 8 arranged between the third lens group and the image plane 9.
The first lens group includes a first lens 1 and a second lens 2. The first lens 1 has negative refractive power and is made of glass lens. The second lens 2 has positive refractive power and is made of plastic lens.
The second lens group comprises a third lens 3, a fourth lens 4 and a fifth lens 5. The third lens 3 has positive refractive power and is made of glass. The fourth lens 4 is a cemented lens having positive refractive power, the first cemented lens 41 is a glass lens, and the second cemented lens 42 is also a glass lens. The fifth lens 5 has negative refractive power and is made of plastic lens.
The third lens group comprises a sixth lens 6, wherein the sixth lens has positive refractive power and is made of plastic lenses. Other structures are the same as in embodiment 1.
Table two (a) shows the surface types, radii of curvature, thicknesses, and materials of the lenses of the optical system of example 2. Wherein, the unit of curvature radius and thickness is millimeter (mm).
The design parameters of the optical system of this embodiment 2 are shown in the following table:
watch II (a)
Watch II (b)
In this embodiment, specific parameters of the optical system are shown in the following table:
watch II (c)
The zooming process and the lens composition of the optical system in embodiment 2 of the present invention are shown according to the structure and the material characteristics of the lens shown in table two (a), table two (b), fig. 4 and fig. 5.
According to the data in the table two (c) and the distortion curve in fig. 6A, it is clearly shown that the optical system can effectively improve the influence of distortion on the lens, so that the lens can shoot a clearer image.
According to the data in table two (c) and the illuminance curve in fig. 6B, it is clearly shown that the optical system can ensure the illuminance with higher edge, so that the edge of the photographed image is brighter.
The behavior of the optical system at different temperatures is clearly demonstrated from the data in table two (C) and the center field curves at different temperatures in fig. 6C.
According to the information description above: the optical system has small volume, can effectively improve the influence of distortion, improves the illuminance of the system, is suitable for normal operation at different temperatures, and can realize shooting from wide angle to telescopic.
Example 3
Referring to fig. 7 and 8, the present invention provides a vehicle-mounted zoom optical system. The optical system includes, in order from an object side to an image side along an optical axis, a first lens group, a diaphragm 7, a second lens group, and a third lens group. The first lens group and the third lens group are fixed lens groups and do not move. The second lens group can move between the first lens group and the third lens group along the optical axis, so that the conversion of wide-angle shooting and long-focus shooting is realized. And a filter 8 arranged between the third lens group and the image plane 9.
The first lens group includes a first lens 1 and a second lens 2. The first lens 1 has negative refractive power and is made of glass. The second lens 2 has positive refractive power and is made of plastic.
The second lens group comprises a third lens 3, a fourth lens 4 and a fifth lens 5. The third lens 3 has positive refractive power and is made of glass. The fourth lens 4 is a cemented lens with negative refractive power, the first cemented lens 41 is made of glass, and the second cemented lens 42 is made of glass. The fifth lens 5 has negative refractive power and is made of plastic.
The third lens group comprises a sixth lens 6, and the sixth lens 6 has positive refractive power and is made of plastic.
Table three (a) shows the surface types, radii of curvature, thicknesses, and materials of the respective lenses of the optical system of example 3. Wherein, the unit of curvature radius and thickness is millimeter (mm).
The design parameters of the optical system of this embodiment 3 are shown in the following table:
watch III (a)
Watch III (b)
In this embodiment, specific parameters of the optical system are shown in the following table:
watch III (c)
The zooming process and lens configuration of the optical system in embodiment 3 of the present invention are shown according to the structure and material characteristics of the lens illustrated in table three (a), table three (b), fig. 7 and fig. 8.
According to the data in table three (c) and the distortion curve in fig. 9A, it is clearly shown that the optical system can effectively improve the influence of distortion on the lens, so that the lens can shoot a clearer image.
According to the data in table three (c) and the illuminance curve in fig. 9B, it is clearly shown that the optical system can ensure higher illuminance at the edge, so that the edge of the photographed image is brighter.
From the data in table three (C) and the center field curves at different temperatures in fig. 9C, the performance changes of the optical system at different temperatures are clearly demonstrated.
According to the information description above: the optical system has small volume, can effectively improve the influence of distortion, improves the illuminance of the system, is suitable for normal operation at different temperatures, and can realize shooting from wide angle to telescopic.
Claims (9)
1. A vehicle-mounted zoom optical system, characterized in that: the optical axis is formed by a first lens group, a diaphragm, a second lens group and a third lens group in sequence from an object side to an image side, the first lens group and the third lens group are fixed lens groups, and the second lens group moves between the first lens group and the third lens group along the optical axis;
the first lens group consists of a first lens and a second lens, and the first lens has negative refractive power; the second lens has positive refractive power, the object side surface is a convex surface, and the image side surface is a convex surface;
the second lens group consists of a third lens, a fourth lens and a fifth lens, the third lens has positive refractive power, and the object side surface is a convex surface; the fourth lens is a cemented lens, the object side surface is a convex surface, and the cemented surface is a convex surface; the fifth lens has negative refractive power, and the image side surface is a convex surface;
the third lens group consists of a sixth lens, and the sixth lens has positive refractive power;
the optical system satisfies the following formula:
-5<F2/F5<0
5<F2/F3<8
EFLT/EFLW>1.5
wherein F2 is the focal length of the second lens; f3 is the focal length of the third lens; f5 is the focal length of the fifth lens; EFLT is the focal length of an optical system in the tele state; EFLW is the focal length of an optical system when in the wide-angle state.
2. The in-vehicle zoom optical system according to claim 1, wherein the optical system satisfies the following relation:
0.5>CTT/CTW>0.4
the CTT is the distance between the first lens group and the second lens group on the optical axis when the optical system is in a long focal state; CTW is the distance between the first lens group and the second lens group on the optical axis when the optical system is in the wide-angle state.
3. The in-vehicle zoom optical system according to claim 1, wherein the optical system satisfies the following relation:
1<(R3+R4)/F2<51
wherein R3 is the curvature radius of the object side surface of the second lens; r4 is the image-side radius of curvature of the second lens, and F2 is the focal length of the second lens.
4. The in-vehicle zoom optical system according to claim 1, wherein the optical system satisfies the following relation:
-1.5<EFL1/EFL2<0
wherein EFL1 is the effective focal length of the first lens group, and EFL2 is the effective focal length of the second lens group.
5. The in-vehicle zoom optical system according to claim 1, wherein the optical system satisfies the following relation:
R5/F3<1
wherein R5 is the curvature radius of the object side surface of the third lens; f3 is the focal length of the third lens.
6. The in-vehicle zoom optical system according to claim 1, wherein the optical system satisfies the following relation:
0.8<(RL1+RL2+RL3)/(RL1-RL2-RL3)<2.1
wherein, RL1 is the radius of curvature of the object side surface of the cemented lens, RL2 is the radius of curvature of the cemented surface of the cemented lens, and RL3 is the radius of curvature of the image side surface of the cemented lens.
7. The in-vehicle zoom optical system according to claim 1, wherein the optical system satisfies the following relation:
(IND6-1)*100/VB6≤1.5
wherein IND6 is the refractive index of the sixth lens and VB6 is the abbe number of the sixth lens.
8. The in-vehicle zoom optical system according to claim 1, wherein the optical system satisfies the following relation:
-0.37≤SAG5/CT5≤0.2
wherein SAG5 is the vector height of the image side edge position of the fifth lens on the optical axis; CT5 is the center thickness of the optic of the fifth lens.
9. The vehicle-mounted zoom optical system of claim 1, wherein the object side or image side of at least one lens in the optical system employs an aspherical surface, wherein the aspherical coefficients satisfy the following equation:
Z=cy 2 /[1+{1－(1+k)c 2 y 2 } 1/2 ]＋A4y 4 +A6y 6 ＋A8y 8 ＋A10y 10 +A12y 12 +
A14y 14 +A16y 16
wherein Z is aspheric sagittal, c is aspheric paraxial curvature, y is lens aperture, k is conic coefficient, A4 is 4 th order aspheric coefficient, A6 is 6 th order aspheric coefficient, A8 is 8 th order aspheric coefficient, A10 is 10 th order aspheric coefficient, A12 is 12 th order aspheric coefficient, A14 is 14 th order aspheric coefficient, A16 is 16 th order aspheric coefficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210587968.3A CN114911042B (en) | 2022-05-26 | 2022-05-26 | Vehicle-mounted zoom optical system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210587968.3A CN114911042B (en) | 2022-05-26 | 2022-05-26 | Vehicle-mounted zoom optical system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114911042A CN114911042A (en) | 2022-08-16 |
| CN114911042B true CN114911042B (en) | 2024-03-08 |
Family
ID=82769142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210587968.3A Active CN114911042B (en) | 2022-05-26 | 2022-05-26 | Vehicle-mounted zoom optical system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114911042B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08313802A (en) * | 1995-05-19 | 1996-11-29 | Olympus Optical Co Ltd | Wide angle lens |
| JP2007034097A (en) * | 2005-07-29 | 2007-02-08 | Citizen Miyota Co Ltd | Compact zoom lens |
| JP2011101089A (en) * | 2009-11-04 | 2011-05-19 | Sony Corp | Imaging optical system and imaging apparatus |
| CN112198645A (en) * | 2020-11-13 | 2021-01-08 | 辽宁中蓝光电科技有限公司 | Zoom lens |
| CN112415729A (en) * | 2020-12-11 | 2021-02-26 | 浙江舜宇光学有限公司 | Zoom lens |
| CN112462506A (en) * | 2020-11-30 | 2021-03-09 | 辽宁中蓝光电科技有限公司 | Stage zoom lens |
| CN112965227A (en) * | 2021-04-07 | 2021-06-15 | 辽宁中蓝光电科技有限公司 | Zoom lens |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1577695B1 (en) * | 2004-01-30 | 2008-02-27 | Casio Computer Co., Ltd. | Zoom lens system |
| JP2012128116A (en) * | 2010-12-14 | 2012-07-05 | Sony Corp | Zoom lens and imaging apparatus |
| TWI490538B (en) * | 2011-07-06 | 2015-07-01 | Ability Entpr Co Ltd | Zoom lens |
-
2022
- 2022-05-26 CN CN202210587968.3A patent/CN114911042B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08313802A (en) * | 1995-05-19 | 1996-11-29 | Olympus Optical Co Ltd | Wide angle lens |
| JP2007034097A (en) * | 2005-07-29 | 2007-02-08 | Citizen Miyota Co Ltd | Compact zoom lens |
| JP2011101089A (en) * | 2009-11-04 | 2011-05-19 | Sony Corp | Imaging optical system and imaging apparatus |
| CN112198645A (en) * | 2020-11-13 | 2021-01-08 | 辽宁中蓝光电科技有限公司 | Zoom lens |
| CN112462506A (en) * | 2020-11-30 | 2021-03-09 | 辽宁中蓝光电科技有限公司 | Stage zoom lens |
| CN112415729A (en) * | 2020-12-11 | 2021-02-26 | 浙江舜宇光学有限公司 | Zoom lens |
| CN112965227A (en) * | 2021-04-07 | 2021-06-15 | 辽宁中蓝光电科技有限公司 | Zoom lens |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114911042A (en) | 2022-08-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100507631C (en) | Wide-angle imaging lens, imaging device and camera module | |
| US7626767B2 (en) | Zoom lens | |
| CN113156611B (en) | Optical lens and imaging apparatus | |
| CN110824664B (en) | Optical lens | |
| US10338361B2 (en) | Imaging optical system, imaging apparatus, and camera system | |
| KR101837371B1 (en) | Fast and small optical system for high-pixel | |
| JP6741019B2 (en) | Imaging lens and in-vehicle imaging device | |
| CN108802966B (en) | Optical imaging system | |
| CN112630947A (en) | Zoom optical system, camera module and terminal equipment | |
| CN107290841B (en) | Optical lens | |
| CN111239988A (en) | Optical system, lens module and electronic equipment | |
| CN113589505B (en) | Zoom lens and imaging device | |
| CN111308660A (en) | Optical system, camera module and electronic device | |
| CN113296251B (en) | Zoom lens and imaging device | |
| CN215375920U (en) | Camera lens | |
| CN112346225A (en) | Zoom lens | |
| CN112596210A (en) | Optical system, camera module and electronic equipment | |
| CN114624854A (en) | Optical lens and electronic device | |
| CN111352223A (en) | Wide-angle zoom lens and imaging device | |
| CN216927241U (en) | Zoom lens | |
| CN114911042B (en) | Vehicle-mounted zoom optical system | |
| CN113484998B (en) | Optical system, image capturing module with same and electronic device | |
| CN213482553U (en) | Zoom lens | |
| CN112363307B (en) | Zoom lens | |
| JP4204351B2 (en) | Zoom lens |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |