WO2022143647A1 - Lentille optique et dispositif d'imagerie - Google Patents

Lentille optique et dispositif d'imagerie Download PDF

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Publication number
WO2022143647A1
WO2022143647A1 PCT/CN2021/142020 CN2021142020W WO2022143647A1 WO 2022143647 A1 WO2022143647 A1 WO 2022143647A1 CN 2021142020 W CN2021142020 W CN 2021142020W WO 2022143647 A1 WO2022143647 A1 WO 2022143647A1
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Prior art keywords
lens
optical
optical lens
concave
image side
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PCT/CN2021/142020
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English (en)
Chinese (zh)
Inventor
于笑枝
曾昊杰
刘绪明
曾吉勇
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江西联益光学有限公司
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Publication of WO2022143647A1 publication Critical patent/WO2022143647A1/fr

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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
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below
    • G02B13/18—Optical objectives specially designed for the purposes specified below with lenses having one or more non-spherical faces, e.g. for reducing geometrical aberration

Definitions

  • the present invention relates to the technical field of imaging lenses, in particular to an optical lens and an imaging device.
  • the purpose of the present invention is to provide an optical lens and an imaging device for solving the above problems.
  • the present invention provides an optical lens, comprising in sequence from the object side to the imaging surface along the optical axis: a diaphragm, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens a lens and a seventh lens;
  • the first lens has positive refractive power, the object side of the first lens is convex, and the image side of the first lens is concave;
  • the second lens has negative refractive power, so The object side of the second lens is convex, the image side of the second lens is concave;
  • the third lens has positive refractive power, the object side of the third lens is convex at the near optical axis, and the third lens has a positive refractive power.
  • the image side of the three lenses is concave at the near optical axis; the fourth lens has negative refractive power, the object side of the fourth lens is concave, and the image side of the fourth lens is convex; the fifth lens has a negative refractive power.
  • the lens has positive refractive power, the object side of the fifth lens is concave, the image side of the fifth lens is convex; the object side of the sixth lens is concave, and the image side of the sixth lens is convex;
  • the seventh lens has negative refractive power, the object side of the seventh lens is concave at the near optical axis, the image side of the seventh lens is concave at the near optical axis, and the seventh lens has a concave surface.
  • Both the object side and the image side have at least one inflection point; wherein, the first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens and the seventh lens are plastic aspherical lenses; wherein, the optical lens satisfies the conditional formula: 3 ⁇ f/DM1 ⁇ 4; f represents the focal length of the optical lens, and DM1 represents the effective half of the first lens. caliber.
  • the present invention provides an imaging device, comprising an imaging element and the optical lens provided in the first aspect, where the imaging element is used to convert an optical image formed by the optical lens into an electrical signal.
  • the optical lens and imaging device provided by the present invention can meet the requirements of high pixels and at the same time have a better structure by reasonably matching the shape of the lens and the reasonable combination of refractive power among the seven lenses with specific refractive power. It is compact and has the characteristics of large aperture, which can meet the imaging requirements of dark environment, thus better realizing the balance of lens miniaturization and high pixel, which can effectively improve the user's camera experience.
  • FIG. 1 is a schematic structural diagram of an optical lens in a first embodiment of the present invention
  • Fig. 2 is the astigmatism curve diagram of the optical lens in the first embodiment of the present invention.
  • Fig. 3 is the distortion curve diagram of the optical lens in the first embodiment of the present invention.
  • Fig. 4 is the vertical axis chromatic aberration curve diagram of the optical lens in the first embodiment of the present invention.
  • Fig. 5 is the axial chromatic aberration curve diagram of the optical lens in the first embodiment of the present invention.
  • Fig. 6 is the astigmatism curve diagram of the optical lens in the second embodiment of the present invention.
  • Fig. 7 is the distortion curve diagram of the optical lens in the second embodiment of the present invention.
  • FIG. 8 is a vertical-axis chromatic aberration curve diagram of an optical lens in a second embodiment of the present invention.
  • FIG. 9 is an axial chromatic aberration curve diagram of an optical lens in a second embodiment of the present invention.
  • FIG. 11 is a distortion curve diagram of an optical lens in a third embodiment of the present invention.
  • FIG. 12 is a vertical-axis chromatic aberration curve diagram of an optical lens in a third embodiment of the present invention.
  • FIG. 13 is an axial chromatic aberration curve diagram of the optical lens in the third embodiment of the present invention.
  • FIG. 14 is a graph of astigmatism of the optical lens in the fourth embodiment of the present invention.
  • 15 is a distortion curve diagram of an optical lens in a fourth embodiment of the present invention.
  • 16 is a vertical-axis chromatic aberration curve diagram of the optical lens in the fourth embodiment of the present invention.
  • FIG. 17 is an axial chromatic aberration curve diagram of the optical lens in the fourth embodiment of the present invention.
  • FIG. 18 is a schematic structural diagram of an imaging device according to a fifth embodiment of the present invention.
  • the present invention provides an optical lens, which sequentially includes: a diaphragm, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens along the optical axis from the object side to the imaging plane.
  • the first lens has positive refractive power, the object side of the first lens is convex, and the image side of the first lens is concave;
  • the second lens has negative refractive power, the object side of the second lens is convex, and the second lens
  • the image side of the lens is concave;
  • the third lens has positive refractive power, the object side of the third lens is convex at the near optical axis, and the image side of the third lens is concave at the near optical axis;
  • the fourth lens has negative refractive power , the object side of the fourth lens is concave, the image side of the fourth lens is convex;
  • the fifth lens has positive refractive power, the object side of the fifth lens is concave, and the image side of the fifth lens is convex;
  • the side is concave, the image side is convex;
  • the seventh lens has negative refractive power, the object side of the seventh lens is concave at the near optical axis, the image side of the
  • the optical lens satisfies the following conditional formula:
  • f represents the focal length of the optical lens
  • DM1 represents the effective semi-diameter of the first lens
  • the effective aperture of the first lens can be reasonably controlled, so that the lens has a larger aperture, and at the same time, the head size of the optical lens can be reduced, thereby realizing the miniaturization of the lens.
  • the optical lens can also satisfy the following conditional formula:
  • V5 represents the Abbe number of the fifth lens
  • V6 represents the Abbe number of the sixth lens
  • V7 represents the Abbe number of the seventh lens.
  • the optical lens can also satisfy the following conditional formula:
  • f represents the focal length of the optical lens
  • f1 represents the focal length of the first lens
  • f2 represents the focal length of the second lens
  • the focal lengths of the first lens and the second lens can be reasonably balanced, so that the first lens and the second lens have positive and negative focal lengths, and the angle of incident light can be adjusted reasonably, which is conducive to reducing the The diameter of the subsequent lens and the total length of the optical lens.
  • the optical lens can also satisfy the following conditional formula:
  • R4 represents the curvature radius of the image side surface of the second lens
  • f represents the focal length of the optical lens
  • the surface shape of the image side surface of the second lens can be reasonably controlled, the condensing intensity of the off-axis field of view can be alleviated, and the aberration between the off-axis field of view and the central field of view can be reduced, which is conducive to the correction of spherical aberration and
  • the incident angle of the light entering the object side of the third lens can be reasonably controlled, and the sensitivity of the optical lens can be reduced.
  • the optical lens can also satisfy the following conditional formula:
  • f represents the focal length of the optical lens
  • f4 represents the focal length of the fourth lens
  • R7 represents the radius of curvature of the object side of the fourth lens
  • R12 represents the radius of curvature of the image side of the sixth lens.
  • the focal length of the fourth lens can be reasonably controlled, and the difficulty of aberration correction in the off-axis field of view can be reduced.
  • the collocation between lenses improves the resolution quality of optical lenses.
  • the optical lens can also satisfy the following conditional formula:
  • CT5 represents the central thickness of the fifth lens
  • TTL represents the total optical length of the optical lens
  • R9 represents the curvature radius of the object side of the fifth lens
  • R10 represents the curvature radius of the image side of the fifth lens.
  • the refractive power and surface shape of the fifth lens can be reasonably controlled, so that the image side surface of the fifth lens has sufficient curvature, which is beneficial to reduce the sensitivity and Reduces the difficulty of correcting field curvature.
  • the optical lens can also satisfy the following conditional formula:
  • CT5 represents the center thickness of the fifth lens
  • CT56 represents the air space between the fifth lens and the sixth lens on the optical axis
  • CT6 represents the center thickness of the sixth lens
  • TTL represents the total optical length of the optical lens
  • Satisfying the conditional expressions (11) and (12) is conducive to the reasonable distribution of the central thickness of the fifth lens and the sixth lens, as well as their separation distance on the optical axis, and can reasonably adjust the distribution of light, which is beneficial to the spherical aberration of the optical lens and correction of optical distortion, and is conducive to realizing the compactness of the optical lens structure.
  • the optical lens can also satisfy the following conditional formula:
  • CT6 represents the center thickness of the sixth lens
  • SAG11 i represents the sag height of any point on the object side of the sixth lens
  • SAG12 i represents the sag height of any point on the image side of the sixth lens
  • CT6 represents the center thickness of the sixth lens
  • f represents the focal length of the optical lens
  • f6 represents the focal length of the sixth lens.
  • the surface shape and focal length of the sixth lens can be reasonably controlled, so that the sixth lens can meet the thin lens design, which is conducive to correcting aberration and optical distortion, while maintaining the amount of light, which is conducive to Increase in relative illuminance.
  • the optical lens can also satisfy the following conditional formula:
  • f2 represents the focal length of the second lens
  • f6 represents the focal length of the sixth lens
  • f7 represents the focal length of the seventh lens.
  • Satisfying the conditional expressions (15) and (16) can make the second lens and the seventh lens have the same refractive power, reduce the sensitivity of the lens and the difficulty of correcting advanced aberrations, and help improve the resolution quality of the optical lens , and at the same time, the optical power of the sixth lens and the seventh lens can be reasonably distributed, which is beneficial to shorten the total optical length.
  • the optical lens can also satisfy the following conditional formula:
  • CT7 represents the central thickness of the seventh lens
  • T7 max represents the maximum thickness of the seventh lens parallel to the optical axis
  • R14 represents the curvature radius of the image side of the seventh lens
  • ⁇ 14 represents the largest surface of the image side of the seventh lens inclination.
  • the surface shape and thickness ratio of the seventh lens can be reasonably controlled, which is beneficial to the processing and molding of the seventh lens.
  • the matching degree of the lens and the chip sensor improves the resolution quality of the optical lens.
  • the aperture number of the optical lens provided by the embodiment of the present invention is less than 1.8, which can meet the imaging requirements in a dark environment.
  • the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, and the seventh lens may be aspherical lenses.
  • the above lenses are all made of plastic aspherical lenses. .
  • the use of aspherical lenses can effectively reduce the number of lenses, correct aberrations, and provide better optical performance.
  • the present invention can reasonably match the lens shape and the optical power combination between the lenses, so that the structure of the lens can be more compact under the premise of high pixels, and the miniaturization of the lens can be better achieved.
  • the high-pixel balance can effectively improve the user's camera experience.
  • the present invention will be further described below with a plurality of embodiments.
  • the thickness and radius of curvature of each lens in the optical lens are different, and the specific difference can be found in the parameter table in each embodiment.
  • z is the distance vector height of the aspheric surface from the vertex of the aspheric surface when the height is h along the optical axis
  • c is the paraxial curvature of the surface
  • k is the quadratic surface coefficient conic
  • a 2i is the 2i-order non Spherical coefficient.
  • FIG. 1 is a schematic structural diagram of an optical lens 100 provided by a first embodiment of the present invention.
  • the optical lens 100 sequentially includes from the object side to the imaging plane along the optical axis: a diaphragm ST, a first lens L1, a second lens Lens L2, third lens L3, fourth lens L4, fifth lens L5, sixth lens L6, seventh lens L7 and filter G.
  • the first lens L1 has positive refractive power, the object side S1 of the first lens is convex, and the image side S2 of the first lens is concave.
  • the second lens L2 has negative refractive power, the object side S3 of the second lens is convex, and the image side S4 of the second lens is concave.
  • the third lens L3 has positive refractive power, the object side S5 of the third lens is convex at the near optical axis, and the image side S6 of the third lens is concave at the near optical axis.
  • the fourth lens L4 has negative refractive power, the object side S7 of the fourth lens is concave, and the image side S8 of the fourth lens is convex.
  • the fifth lens L5 has positive refractive power, the object side S9 of the fifth lens is concave, and the image side S10 of the fifth lens is convex.
  • the sixth lens L6 has positive refractive power, the object side S11 of the sixth lens is concave, and the image side S12 of the sixth lens is convex.
  • the seventh lens L7 has negative refractive power, the object side S13 of the seventh lens is concave at the near optical axis, the image side S14 of the seventh lens is concave at the near optical axis, and the object side S13 of the seventh lens and the image are concave.
  • the side surfaces S14 each have at least one inflection point.
  • Table 1 shows the relevant parameters of each lens of the optical lens 100 in this embodiment.
  • Table 2 shows the surface shape coefficients of each aspherical surface of the optical lens 100 of the present embodiment.
  • FIG. 2 , FIG. 3 , FIG. 4 , and FIG. 5 are an astigmatism curve graph, a distortion graph, a vertical chromatic aberration graph, and an axial chromatic aberration graph of the optical lens 100 , respectively.
  • the astigmatism curve of FIG. 2 represents the degree of curvature of the meridional image plane and the sagittal image plane.
  • the horizontal axis represents the offset (unit: millimeter)
  • the vertical axis represents the field angle (unit: degree). It can be seen from FIG. 2 that the astigmatism of the meridional image plane and the sagittal image plane is controlled within ⁇ 0.05 mm, indicating that the astigmatism of the optical lens 100 is well corrected.
  • the distortion curve in Fig. 3 shows the distortion at different image heights on the imaging plane.
  • the horizontal axis represents the f- ⁇ distortion percentage
  • the vertical axis represents the field angle (unit: degree). It can be seen from FIG. 3 that the optical distortion at different image heights on the imaging surface is controlled within 2%, indicating that the distortion of the optical lens 100 is well corrected.
  • the vertical-axis chromatic aberration curve in FIG. 4 represents the chromatic aberration of each wavelength relative to the central wavelength (0.55 ⁇ m) at different image heights on the imaging plane.
  • the horizontal axis represents the vertical axis color difference value (unit: micrometer) of each wavelength relative to the central wavelength
  • the vertical axis represents the normalized field angle. It can be seen from FIG. 4 that the vertical chromatic aberration between the longest wavelength and the shortest wavelength is controlled within ⁇ 1 micron, indicating that the vertical chromatic aberration of the optical lens 100 is well corrected.
  • the axial chromatic aberration curve of FIG. 5 represents the aberration on the optical axis at the imaging plane.
  • the horizontal axis in FIG. 5 represents the axial chromatic aberration value (unit: mm), and the vertical axis represents the normalized pupil radius. It can be seen from FIG. 5 that the offset of the axial chromatic aberration is controlled within ⁇ 0.03 mm, indicating that the optical lens 100 can effectively correct the aberration of the fringe field of view and the secondary spectrum of the entire image plane.
  • the optical lens provided by the second embodiment of the present invention has substantially the same structure as the optical lens 100 in the first embodiment, except that the sixth lens L6 has a negative refractive power, and the parameters such as the radius of curvature of each lens are different.
  • Table 4 shows the surface shape coefficients of each aspherical surface of the optical lens of this embodiment.
  • FIG. 6 , FIG. 7 , FIG. 8 , and FIG. 9 show astigmatism curve graph, distortion curve graph, vertical chromatic aberration graph and axial chromatic aberration graph of the optical lens of the present embodiment, respectively.
  • FIG. 6 shows the degree of curvature of the meridional image plane and the sagittal image plane. It can be seen from the figure that the astigmatism of the meridional image plane and sagittal image plane is controlled within ⁇ 0.1 mm, indicating that the astigmatism of the optical lens is well corrected.
  • Figure 7 shows the distortion at different image heights on the imaging plane. It can be seen from the figure that the optical distortion at different image heights on the imaging surface is controlled within 2%, indicating that the distortion of the optical lens is well corrected.
  • Fig. 8 shows the chromatic aberration of the longest wavelength and the shortest wavelength at different image heights on the imaging plane. It can be seen from the figure that the vertical chromatic aberration of the longest wavelength and the shortest wavelength is controlled within ⁇ 0.8 microns, which indicates that the vertical chromatic aberration of the optical lens is well corrected.
  • FIG. 9 shows aberrations on the optical axis at the imaging plane. It can be seen from the figure that the offset of the axial chromatic aberration is controlled within ⁇ 0.04 mm, indicating that the optical lens can effectively correct the aberration of the fringe field of view and the secondary spectrum of the entire image plane.
  • the optical lens provided by the third embodiment of the present invention has substantially the same structure as the optical lens 100 in the first embodiment, and the difference lies in that the parameters such as the radius of curvature of each lens are different.
  • Table 6 shows the surface shape coefficients of each aspherical surface of the optical lens of this embodiment.
  • FIGS. 10 , 11 , 12 , and 13 show astigmatism curves, distortion curves, vertical chromatic aberration curves, and axial chromatic aberration curves of the optical lens of the present embodiment, respectively.
  • FIG. 10 shows the degree of curvature of the meridional image plane and the sagittal image plane. It can be seen from the figure that the astigmatism of the meridional image plane and sagittal image plane is controlled within ⁇ 0.1 mm, indicating that the astigmatism of the optical lens is well corrected.
  • Figure 11 shows the distortion at different image heights on the imaging plane. It can be seen from the figure that the optical distortion at different image heights on the imaging surface is controlled within 2%, indicating that the distortion of the optical lens is well corrected.
  • FIG. 12 shows the chromatic aberration at different image heights on the imaging plane between the longest wavelength and the shortest wavelength. It can be seen from Figure 14 that the vertical chromatic aberration between the longest wavelength and the shortest wavelength is controlled within ⁇ 1.5 microns, indicating that the vertical chromatic aberration of the optical lens is well corrected.
  • FIG. 13 shows aberrations on the optical axis at the imaging plane. It can be seen from the figure that the offset of the axial chromatic aberration at the imaging plane is controlled within ⁇ 0.03 mm, indicating that the optical lens can effectively correct the aberration of the fringe field of view and the secondary spectrum of the entire image plane.
  • the optical lens provided by the fourth embodiment of the present invention has substantially the same structure as the optical lens 100 in the first embodiment, except that the sixth lens L6 has a negative refractive power and the parameters such as the radius of curvature of each lens are different.
  • Table 8 shows the surface shape coefficients of each aspherical surface of the optical lens of this embodiment.
  • FIG. 14 , FIG. 15 , FIG. 16 and FIG. 17 show the astigmatism curve, distortion curve, vertical chromatic aberration curve and axial chromatic aberration curve of the optical lens of the present embodiment, respectively.
  • FIG. 14 shows the degree of curvature of the meridional image plane and the sagittal image plane. It can be seen from the figure that the astigmatism of the meridional image plane and the sagittal image plane is controlled within ⁇ 0.05 mm, indicating that the astigmatism of the optical lens is well corrected.
  • Figure 15 shows the distortion at different image heights on the imaging plane. It can be seen from the figure that the optical distortion at different image heights on the imaging surface is controlled within 2%, indicating that the distortion of the optical lens is well corrected.
  • Fig. 16 shows the chromatic aberration at different image heights on the imaging plane between the longest wavelength and the shortest wavelength. It can be seen from the figure that the vertical chromatic aberration of the longest wavelength and the shortest wavelength is controlled within ⁇ 1.0 microns, which indicates that the vertical chromatic aberration of the optical lens is well corrected.
  • FIG. 17 shows aberrations on the optical axis at the imaging plane. It can be seen from the figure that the offset of the axial chromatic aberration at the imaging plane is controlled within ⁇ 0.03 mm, indicating that the optical lens can effectively correct the aberration of the fringe field of view and the secondary spectrum of the entire image plane.
  • the optical characteristics mainly include the focal length f of the optical lens, the aperture number F#, the total optical length TTL, and the angle of view 2 ⁇ , as well as the values corresponding to each of the aforementioned conditional expressions.
  • the optical lens provided by the present invention has the following advantages:
  • the aperture value of the lens is less than 1.8, which has the characteristics of large aperture and meets the imaging requirements in dark environments; on the other hand, the overall length of the seven-piece optical lens is shorter (TTL ⁇ 5.45 mm), the volume is reduced, and it can better meet the development trend of light and thin portable electronic devices.
  • the field of view of the optical lens can reach 79.4°, which can effectively correct optical distortion, control the optical distortion to be less than 2%, and meet the needs of large field of view and high-definition imaging.
  • a fifth embodiment of the present invention provides an imaging device 200 .
  • the imaging device 200 may include an imaging element 210 and an optical lens (eg, the optical lens 100 ) in any of the foregoing embodiments.
  • the imaging element 210 may be a CMOS (Complementary Metal Oxide Semiconductor, complementary metal oxide semiconductor) image sensor, or may be a CCD (Charge Coupled Device, charge coupled device) image sensor.
  • CMOS Complementary Metal Oxide Semiconductor, complementary metal oxide semiconductor
  • CCD Charge Coupled Device, charge coupled device
  • the imaging device 200 may be a smart phone, a Pad, or any other portable electronic device loaded with the above-mentioned optical lens.
  • the imaging device 200 provided by the embodiment of the present application includes the optical lens 100. Since the optical lens 100 has the advantages of small size, large aperture, and high pixels, the imaging device 200 provided with the optical lens 100 also has the advantages of small size, large aperture, and high pixels. advantage.

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Abstract

L'invention concerne une lentille optique (100) et un dispositif d'imagerie (200). La lentille optique (100) comprend, dans l'ordre allant d'un côté objet à une surface d'imagerie (S17) le long d'un axe optique : un diaphragme (ST) ; une première lentille (L1) ayant une puissance focale positive, avec une surface côté objet (S1) de celle-ci étant une surface convexe, et une surface côté image (S2) de celle-ci étant une surface concave ; une deuxième lentille (L2) ayant une puissance focale négative, avec une surface côté objet (S3) de celle-ci étant une surface convexe, et une surface côté image (S4) de celle-ci étant une surface concave ; une troisième lentille (L3) ayant une puissance focale positive, avec une surface côté objet (S5) de celle-ci étant une surface convexe à proximité de l'axe optique, et une surface côté image (S6) de celle-ci étant une surface concave à proximité de l'axe optique ; une quatrième lentille (L4) ayant une puissance focale négative, avec une surface côté objet (S7) de celle-ci étant une surface convexe, et une surface côté image (S8) de celle-ci étant une surface concave ; une cinquième lentille (L5) ayant une puissance focale positive, avec une surface côté objet (S9) de celle-ci étant une surface concave, et une surface côté image (S10) de celle-ci étant une surface convexe ; une sixième lentille (L6) ayant une puissance focale, avec une surface côté objet (S11) de celle-ci étant une surface concave, et une surface côté image (S12) de celle-ci étant une surface convexe ; et une septième lentille (L7) ayant une puissance focale négative, avec une surface côté objet (S13) de celle-ci étant une surface concave à proximité de l'axe optique, et une surface côté image (S14) de celle-ci étant une surface concave à proximité de l'axe optique. Au moyen de la combinaison rationnelle de types de surface et de puissances focales des lentilles, la lentille optique (100) peut atteindre avec succès l'équilibre entre une miniaturisation de lentille et une haute définition.
PCT/CN2021/142020 2020-12-30 2021-12-28 Lentille optique et dispositif d'imagerie WO2022143647A1 (fr)

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CN115390225A (zh) * 2022-10-28 2022-11-25 江西联益光学有限公司 光学镜头

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CN112285907B (zh) * 2020-12-30 2021-03-30 江西联益光学有限公司 光学镜头及成像设备
CN112748554B (zh) * 2021-03-05 2022-05-03 浙江舜宇光学有限公司 光学成像系统
CN113341545B (zh) * 2021-08-09 2021-10-26 江西联益光学有限公司 光学镜头
CN113721350B (zh) * 2021-11-01 2022-04-01 江西联益光学有限公司 光学镜头及成像设备
CN114839749B (zh) * 2022-07-05 2022-11-01 江西联益光学有限公司 光学镜头
CN115097615B (zh) * 2022-08-24 2023-01-20 江西联创电子有限公司 光学镜头

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