WO2019141210A1 - Lentille d'imagerie optique - Google Patents

Lentille d'imagerie optique Download PDF

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Publication number
WO2019141210A1
WO2019141210A1 PCT/CN2019/072155 CN2019072155W WO2019141210A1 WO 2019141210 A1 WO2019141210 A1 WO 2019141210A1 CN 2019072155 W CN2019072155 W CN 2019072155W WO 2019141210 A1 WO2019141210 A1 WO 2019141210A1
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Prior art keywords
lens
optical imaging
imaging lens
focal length
effective focal
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PCT/CN2019/072155
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English (en)
Chinese (zh)
Inventor
李明
张凯元
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浙江舜宇光学有限公司
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Publication of WO2019141210A1 publication Critical patent/WO2019141210A1/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 an optical imaging lens, particularly an optical imaging lens composed of six lenses.
  • the invention proposes an aspherical 6-piece large-caliber lens with a large aperture, which has a good imaging effect in the case of autofocus, and can simultaneously ensure processing characteristics and miniaturization.
  • the present invention provides an optical imaging lens.
  • An aspect of the invention provides an optical imaging lens comprising, in order from the object side to the image side, a first lens having a positive power, a convex side of the object side, a concave side of the image side surface, and a second lens having a positive power a side surface having a convex surface; a third lens having a negative refractive power, the object side surface being a convex surface, the image side surface being a concave surface; a fourth lens having a power; a fifth lens having a power; and having a negative power
  • the sixth lens has a convex side and a side surface as a concave surface; and is characterized in that there is an air gap between the lenses, and the Abbe number V3 of the third lens and the Abbe number V4 of the fourth lens satisfy 4 ⁇
  • 2?f3/R6?7 is satisfied between the effective focal length f3 of the third lens and the radius of curvature R6 of the side surface of the third lens image.
  • the radius of curvature R9 of the side surface of the fifth lens object and the radius of curvature R10 of the side surface of the fifth lens image satisfy -7 ⁇ (R9 + R10) / (R9 - R10) ⁇ 1.5.
  • the on-axis distance TTL from the side of the first lens to the imaging surface satisfies TTL/ImgH ⁇ 1.5 between half the length ImgH of the diagonal of the effective pixel area on the imaging surface.
  • 1 ⁇ f1/f2 ⁇ 4 is satisfied between the effective focal length f1 of the first lens and the effective focal length f2 of the second lens.
  • the effective focal length f of the optical imaging lens, the effective focal length f2 of the second lens, and the effective focal length f3 of the third lens satisfy 0.5 ⁇
  • the radius of curvature R11 of the side surface of the sixth lens object and the radius of curvature R12 of the side surface of the sixth lens image satisfy 1 ⁇ R11 / R12 ⁇ 9.
  • 0.5 ⁇ f3 / f6 ⁇ 4 is satisfied between the effective focal length f3 of the third lens and the effective focal length f6 of the sixth lens.
  • the fourth lens Abbe number V4 satisfies 25 ⁇ V4 ⁇ 50.
  • BFL/TTL ⁇ 0.15 is satisfied between the on-axis distance BFL of the sixth lens image side to the imaging surface and the on-axis distance TTL from the first lens object side to the imaging surface.
  • f/EPD ⁇ 1.6 is satisfied between the entrance pupil diameter EPD of the optical imaging lens and the effective focal length f of the optical imaging lens.
  • An aspect of the invention provides an optical imaging lens comprising, in order from the object side to the image side, a first lens having a positive power, a convex side of the object side, a concave side of the image side surface, and a second lens having a positive power a side surface having a convex surface; a third lens having a negative refractive power, the object side surface being a convex surface, the image side surface being a concave surface; a fourth lens having a power; a fifth lens having a power; and having a negative power
  • the sixth lens has a convex side and a concave side, wherein the entrance pupil diameter EPD of the optical imaging lens and the effective focal length f of the optical imaging lens satisfy f/EPD ⁇ 1.6.
  • An aspect of the invention provides an optical imaging lens comprising, in order from the object side to the image side, a first lens having a positive power, a convex side of the object side, a concave side of the image side surface, and a second lens having a positive power a side surface having a convex surface; a third lens having a negative refractive power, the object side surface being a convex surface, the image side surface being a concave surface; a fourth lens having a power; a fifth lens having a power; and having a negative power
  • the sixth lens has a convex side and a concave side, and is characterized in that the distance between the on-axis distance BFL of the sixth lens image side to the imaging surface and the on-axis distance TTL of the first lens object side to the imaging surface is satisfied.
  • BFL/TTL ⁇ 0.15.
  • An aspect of the invention provides an optical imaging lens comprising, in order from the object side to the image side, a first lens having a positive power, a convex side of the object side, a concave side of the image side surface, and a second lens having a positive power a third surface of the object having a negative refractive power, the object side is a convex surface, the image side is a concave surface, a fourth lens having a power; a fifth lens having a positive power; and having a negative power
  • the sixth lens has a convex side and a side surface as a concave surface, wherein the effective focal length f3 of the third lens and the radius of curvature R6 of the third lens image side satisfy 2 ⁇ f3 / R6 ⁇ 7.
  • An aspect of the invention provides an optical imaging lens comprising, in order from the object side to the image side, a first lens having a positive power, a convex side of the object side, a concave side of the image side surface, and a second lens having a positive power a third surface of the object having a negative refractive power, the object side is a convex surface, the image side is a concave surface, a fourth lens having a power; a fifth lens having a positive power; and having a negative power
  • the sixth lens has a convex side and a side surface as a concave surface, wherein a radius of curvature R9 of the side surface of the fifth lens object and a radius of curvature R10 of the side surface of the fifth lens image satisfy -7 ⁇ (R9 + R10) / ( R9-R10) ⁇ 1.5.
  • An aspect of the invention provides an optical imaging lens comprising, in order from the object side to the image side, a first lens having a positive power, a convex side of the object side, a concave side of the image side surface, and a second lens having a positive power a third surface of the object having a negative refractive power, the object side is a convex surface, the image side is a concave surface, a fourth lens having a power; a fifth lens having a positive power; and having a negative power
  • the sixth lens has a convex side and a concave side, wherein the axial distance TTL from the side of the first lens to the imaging surface is between TTL and half of the diagonal of the effective pixel area on the imaging surface. ImgH ⁇ 1.5.
  • An aspect of the invention provides an optical imaging lens comprising, in order from the object side to the image side, a first lens having a positive power, a convex side of the object side, a concave side of the image side surface, and a second lens having a positive power a third surface of the object having a negative refractive power, the object side is a convex surface, the image side is a concave surface, a fourth lens having a power; a fifth lens having a positive power; and having a negative power
  • the sixth lens has a convex side and a side surface as a concave surface, wherein the effective focal length f1 of the first lens and the effective focal length f2 of the second lens satisfy 1 ⁇ f1/f2 ⁇ 4.
  • An aspect of the invention provides an optical imaging lens comprising, in order from the object side to the image side, a first lens having a positive power, a convex side of the object side, a concave side of the image side surface, and a second lens having a positive power a third surface of the object having a negative refractive power, the object side is a convex surface, the image side is a concave surface, a fourth lens having a power; a fifth lens having a positive power; and having a negative power
  • the sixth lens has a convex side and a concave side, wherein the effective focal length f of the optical imaging lens, the effective focal length f2 of the second lens, and the effective focal length f3 of the third lens satisfy 0.5 ⁇
  • An aspect of the invention provides an optical imaging lens comprising, in order from the object side to the image side, a first lens having a positive power, a convex side of the object side, a concave side of the image side surface, and a second lens having a positive power a third surface of the object having a negative refractive power, the object side is a convex surface, the image side is a concave surface, a fourth lens having a power; a fifth lens having a positive power; and having a negative power
  • the sixth lens has a convex side and a side surface which is a concave surface, wherein a radius of curvature R11 of the sixth lens object side surface and a curvature radius R12 of the sixth lens image side surface satisfy 1 ⁇ R11 / R12 ⁇ 9.
  • An aspect of the invention provides an optical imaging lens comprising, in order from the object side to the image side, a first lens having a positive power, a convex side of the object side, a concave side of the image side surface, and a second lens having a positive power a third surface of the object having a negative refractive power, the object side is a convex surface, the image side is a concave surface, a fourth lens having a power; a fifth lens having a positive power; and having a negative power
  • the sixth lens has a convex side and a side surface as a concave surface, wherein the effective focal length f3 of the third lens and the effective focal length f6 of the sixth lens satisfy 0.5 ⁇ f3 / f6 ⁇ 4.
  • An aspect of the invention provides an optical imaging lens comprising, in order from the object side to the image side, a first lens having a positive power, a convex side of the object side, a concave side of the image side surface, and a second lens having a positive power a side surface having a convex surface; a third lens having a negative refractive power, the object side surface being a convex surface, the image side surface being a concave surface; a fourth lens having a power; a fifth lens having a power; and having a negative power
  • the sixth lens has a convex side and a side surface as a concave surface, wherein the fourth lens Abbe number V4 satisfies 25 ⁇ V4 ⁇ 50.
  • the optical imaging lens according to the present invention has a large aperture, has a good imaging effect in the case of autofocus, and can simultaneously ensure processing characteristics and miniaturization.
  • FIG. 1 is a schematic structural view of an optical imaging lens of Embodiment 1;
  • FIG. 2 to FIG. 5 respectively show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve of the optical imaging lens of Embodiment 1;
  • FIG. 6 is a schematic structural view of an optical imaging lens of Embodiment 2;
  • FIG. 11 is a schematic structural view of an optical imaging lens of Embodiment 3.
  • FIG. 16 is a schematic structural view of an optical imaging lens of Embodiment 4.
  • 17 to 20 respectively show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve of the optical imaging lens of Example 4;
  • FIG. 21 is a schematic structural view of an optical imaging lens of Embodiment 5.
  • Figure 26 is a view showing the configuration of an optical imaging lens of Embodiment 6;
  • 27 to 30 respectively show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve of the optical imaging lens of Example 6;
  • Figure 31 is a view showing the configuration of an optical imaging lens of Embodiment 7;
  • FIG. 36 is a schematic structural view of an optical imaging lens of Embodiment 8.
  • Figure 46 is a view showing the configuration of an optical imaging lens of Embodiment 10.
  • Figure 51 is a view showing the configuration of an optical imaging lens of Embodiment 11;
  • Figure 56 is a block diagram showing the structure of an optical imaging lens of Embodiment 12.
  • 57 to 60 respectively show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve of the optical imaging lens of Example 12.
  • a first element, component, region, layer or layer s s ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇ ⁇
  • the present application provides an optical imaging lens comprising, in order from the object side to the image side, a first lens having a positive power, a convex side of the object side, a concave side of the image side, and a second lens having a positive power.
  • a side surface having a convex surface a third lens having a negative refractive power, the object side surface being a convex surface, the image side surface being a concave surface; a fourth lens having a power; a fifth lens having a power; and a sixth having a negative power
  • the lens has a convex side and a side surface as a concave surface.
  • the effective focal length f3 of the third lens and the radius of curvature R6 of the third lens image side satisfy 2 ⁇ f3 / R6 ⁇ 7, specifically, 2.28 ⁇ f3 / R6 ⁇ 6.63.
  • the Abbe number V3 of the third lens and the Abbe number V4 of the fourth lens satisfy 4 ⁇
  • the power can be reasonably distributed and the sensitivity can be reduced.
  • the chromatic aberration of the lens can be corrected by the mutual cooperation of different materials, the high spherical aberration can be reduced, and the advanced astigmatism can be balanced.
  • the radius of curvature R9 of the side surface of the fifth lens object and the radius of curvature R10 of the side surface of the fifth lens image satisfy -7 ⁇ (R9 + R10) / (R9 - R10) ⁇ 1.5, specifically, It satisfies -8.67 ⁇ (R9 + R10) / (R9 - R10) ⁇ 1.31.
  • the on-axis distance TTL from the side of the first lens to the imaging surface meets TTL/ImgH ⁇ 1.5 between the diagonal of the effective pixel area on the imaging surface, ImgH, specifically, TTL/ ImgH ⁇ 1.50.
  • TTL/ImgH ⁇ 1.5 between the diagonal of the effective pixel area on the imaging surface, ImgH, specifically, TTL/ ImgH ⁇ 1.50.
  • the effective focal length f1 of the first lens and the effective focal length f2 of the second lens satisfy 1 ⁇ f1/f2 ⁇ 4, and more specifically, 1.34 ⁇ f1/f2 ⁇ 3.83.
  • the effective focal length f of the optical imaging lens, the effective focal length f2 of the second lens, and the effective focal length f3 of the third lens satisfy 0.5 ⁇
  • the lens aberration can be corrected and the total optical length can be compressed.
  • the radius of curvature R11 of the side surface of the sixth lens object and the radius of curvature R12 of the side surface of the sixth lens image satisfy 1 ⁇ R11/R12 ⁇ 9, and more specifically, 1.48 ⁇ R11/R12 ⁇ 8.69 .
  • the effective focal length f3 of the third lens satisfies 0.5 ⁇ f3 / f6 ⁇ 4 between the effective focal length f6 of the sixth lens, and more specifically, satisfies 0.54 ⁇ f3 / f6 ⁇ 3.99.
  • the advanced coma and the advanced astigmatism can be balanced to improve the macro performance.
  • the on-axis distance BFL of the sixth lens image side to the imaging surface and the on-axis distance TTL of the first lens object side to the imaging surface satisfy BFL/TTL ⁇ 0.15, and more specifically, satisfy the BFL. /TTL ⁇ 0.13.
  • the lens can be miniaturized while reducing the interaction between the lens and the VCM motor and the sensor, keeping the appearance of the lens clean and reducing the optical effective surface.
  • the fourth lens Abbe number V4 satisfies 25 ⁇ V4 ⁇ 50, and more specifically, satisfies 27.50 ⁇ V4 ⁇ 49.40.
  • f/EPD ⁇ 1.6 more specifically, f/EPD ⁇ 1.59 is satisfied between the entrance pupil diameter EPD of the optical imaging lens and the effective focal length f of the optical imaging lens.
  • FIG. 1 is a schematic structural view showing an optical imaging lens of Embodiment 1.
  • the optical imaging lens includes six lenses.
  • the six lenses are a first lens E1 having an object side surface S1 and an image side surface S2, a second lens E2 having an object side surface S3 and an image side surface S4, and a third lens E3 having an object side surface S5 and an image side surface S6, respectively.
  • the first to sixth lenses E1 to E6 are disposed in order from the object side to the image side of the optical imaging lens.
  • the first lens E1 may have positive refractive power, and the object side surface S1 may be a convex surface, and the image side surface S2 may be a concave surface.
  • the second lens E2 may have positive refractive power, and the object side surface S3 may be a convex surface, and the image side surface S4 may be a convex surface.
  • the third lens E3 may have a negative refractive power, and the object side surface S5 may be a convex surface, and the image side surface S6 may be a concave surface.
  • the fourth lens E4 may have positive refractive power, and the object side surface S7 may be a convex surface, and the image side surface S8 may be a convex surface.
  • the fifth lens E5 may have positive refractive power, and the object side surface S9 may be a concave surface, and the image side surface S10 may be a convex surface.
  • the sixth lens E6 may have a negative refractive power, and the object side surface S11 may be a convex surface, and the image side surface S12 may be a concave surface.
  • the optical imaging lens further includes a filter E7 having an object side S13 and an image side surface S14 for filtering out infrared light.
  • a filter E7 having an object side S13 and an image side surface S14 for filtering out infrared light.
  • light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging surface S15.
  • the first to sixth lenses E1 to E6 have respective effective focal lengths f1 to f6.
  • the first lens E1 to the sixth lens E6 are sequentially arranged along the optical axis and collectively determine the total effective focal length f of the optical imaging lens.
  • Table 1 below shows the effective focal lengths f1 to f6 of the first to sixth lenses E1 to E6, the total effective focal length f of the optical imaging lens, the total length TTL (mm) of the optical imaging lens, and the effective pixel area pair of the electronic photosensitive element.
  • Half of the length of the corner is ImgH.
  • Table 2 shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens in the optical imaging lens in this embodiment, in which the unit of curvature radius and thickness are in millimeters (mm).
  • each lens may be an aspherical lens, and each aspherical surface type x is defined by the following formula:
  • x is the distance of the aspherical surface at height h from the optical axis, and the distance from the aspherical vertex is high;
  • k is the conic coefficient (given in Table 2);
  • Ai is the correction coefficient of the a-th order of the aspherical surface.
  • Table 3 below shows the high order term coefficients of the respective aspheric surfaces S1-S12 of the respective aspherical lenses usable in this embodiment.
  • Fig. 2 shows an axial chromatic aberration curve of the optical imaging lens of Embodiment 1, which indicates that light of different wavelengths is deviated from a focus point after passing through the optical system.
  • Fig. 3 shows an astigmatism curve of the optical imaging lens of Embodiment 1, which shows meridional field curvature and sagittal image plane curvature.
  • 4 shows a distortion curve of the optical imaging lens of Embodiment 1, which shows distortion magnitude values in the case of different viewing angles.
  • Fig. 5 is a graph showing the chromatic aberration of magnification of the optical imaging lens of Embodiment 1, which shows the deviation of the different image heights on the imaging plane after the light passes through the optical imaging lens.
  • the optical imaging lens according to Embodiment 1 has a large aperture and has a good imaging effect in the case of autofocus, while ensuring processing characteristics and miniaturization.
  • Fig. 6 is a schematic structural view showing an optical imaging lens of Embodiment 2.
  • the optical imaging lens includes six lenses.
  • the six lenses are a first lens E1 having an object side surface S1 and an image side surface S2, a second lens E2 having an object side surface S3 and an image side surface S4, and a third lens E3 having an object side surface S5 and an image side surface S6, respectively.
  • the first to sixth lenses E1 to E6 are disposed in order from the object side to the image side of the optical imaging lens.
  • the first lens E1 may have positive refractive power, and the object side surface S1 may be a convex surface, and the image side surface S2 may be a concave surface.
  • the second lens E2 may have positive refractive power, and the object side surface S3 may be a convex surface, and the image side surface S4 may be a convex surface.
  • the third lens E3 may have a negative refractive power, and the object side surface S5 may be a convex surface, and the image side surface S6 may be a concave surface.
  • the fourth lens E4 may have a negative refractive power, and the object side surface S7 may be a convex surface, and the image side surface S8 may be a concave surface.
  • the fifth lens E5 may have positive refractive power, and the object side surface S9 may be a convex surface, and the image side surface S10 may be a convex surface.
  • the sixth lens E6 may have a negative refractive power, and the object side surface S11 may be a convex surface, and the image side surface S12 may be a concave surface.
  • the optical imaging lens further includes a filter E7 having an object side S13 and an image side S14 for filtering out infrared light.
  • a filter E7 having an object side S13 and an image side S14 for filtering out infrared light.
  • light from the object is finally imaged on the imaging surface S15 through the respective surfaces S1 to S14.
  • Table 4 below shows the effective focal lengths f1 to f6 of the first to sixth lenses E1 to E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and the diagonal length of the effective pixel area of the electronic photosensitive element.
  • Table 5 shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens in the optical imaging lens in this embodiment, in which the unit of curvature radius and thickness are all millimeters (mm).
  • Table 6 below shows the high order term coefficients of the respective aspheric surfaces S1-S12 that can be used for each aspherical lens in this embodiment.
  • each aspherical surface type can be defined by the formula (1) given in the above embodiment 1.
  • Fig. 7 is a view showing an axial chromatic aberration curve of the optical imaging lens of Embodiment 2, which shows that light rays of different wavelengths are deviated from a focus point after passing through the optical system.
  • Fig. 8 shows an astigmatism curve of the optical imaging lens of Embodiment 2, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 9 is a view showing a distortion curve of the optical imaging lens of Embodiment 2, which shows distortion magnitude values in the case of different viewing angles.
  • Fig. 10 is a graph showing the chromatic aberration of magnification of the optical imaging lens of Embodiment 2, which shows the deviation of the different image heights on the imaging plane after the light passes through the optical imaging lens.
  • the optical imaging lens according to Embodiment 2 has a large aperture and has a good imaging effect in the case of autofocus, while ensuring processing characteristics and miniaturization.
  • Fig. 11 is a schematic structural view showing an optical imaging lens of Embodiment 3.
  • the optical imaging lens includes, in order from the object side to the image side, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a sixth lens E6.
  • the first lens E1 may have positive refractive power, and the object side surface S1 may be a convex surface, and the image side surface S2 may be a concave surface.
  • the second lens E2 may have positive refractive power, and the object side surface S3 may be a convex surface, and the image side surface S4 may be a convex surface.
  • the third lens E3 may have a negative refractive power, and the object side surface S5 may be a convex surface, and the image side surface S6 may be a concave surface.
  • the fourth lens E4 may have positive refractive power, and the object side surface S7 may be a convex surface, and the image side surface S8 may be a convex surface.
  • the fifth lens E5 may have positive refractive power, and the object side surface S9 may be a convex surface, and the image side surface S10 may be a convex surface.
  • the sixth lens E6 may have a negative refractive power, and the object side surface S11 may be a convex surface, and the image side surface S12 may be a concave surface.
  • Table 7 shows the effective focal lengths f1 to f6 of the first to sixth lenses E1 to E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and the diagonal length of the effective pixel area of the electronic photosensitive element.
  • Table 8 shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens in the optical imaging lens in this embodiment, in which the unit of curvature radius and thickness are all millimeters (mm).
  • Table 9 below shows the high order coefficient of each aspherical surface S1-S12 of each aspherical lens which can be used in this embodiment, wherein each aspherical surface type can be given by the formula (1) given in the above embodiment 1. limited.
  • Fig. 12 is a view showing an axial chromatic aberration curve of the optical imaging lens of Embodiment 3, which shows that light rays of different wavelengths are deviated from a focus point after passing through the optical system.
  • Fig. 13 is a view showing an astigmatism curve of the optical imaging lens of Embodiment 3, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 14 is a view showing a distortion curve of the optical imaging lens of Embodiment 3, which shows distortion magnitude values in the case of different viewing angles.
  • Fig. 12 is a view showing an axial chromatic aberration curve of the optical imaging lens of Embodiment 3, which shows that light rays of different wavelengths are deviated from a focus point after passing through the optical system.
  • Fig. 13 is a view showing an astigmatism curve of the optical imaging lens of Embodiment 3, which shows meridional field curvature and sagittal image plane curvature.
  • the optical imaging lens according to Embodiment 3 has a large aperture and has a good imaging effect in the case of autofocus, while ensuring processing characteristics and miniaturization.
  • Fig. 16 is a view showing the configuration of an optical imaging lens of Embodiment 4.
  • the optical imaging lens includes, in order from the object side to the image side, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a sixth lens E6.
  • the first lens E1 may have positive refractive power, and the object side surface S1 may be a convex surface, and the image side surface S2 may be a concave surface.
  • the second lens E2 may have positive refractive power, and the object side surface S3 may be a convex surface, and the image side surface S4 may be a convex surface.
  • the third lens E3 may have a negative refractive power, and the object side surface S5 may be a convex surface, and the image side surface S6 may be a concave surface.
  • the fourth lens E4 may have a negative refractive power, and the object side surface S7 may be a concave surface, and the image side surface S8 may be a convex surface.
  • the fifth lens E5 may have positive refractive power, and the object side surface S9 may be a convex surface, and the image side surface S10 may be a concave surface.
  • the sixth lens E6 may have a negative refractive power, and the object side surface S11 may be a convex surface, and the image side surface S12 may be a concave surface.
  • Table 10 below shows the effective focal lengths f1 to f6 of the first to sixth lenses E1 to E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and the diagonal length of the effective pixel area of the electronic photosensitive element.
  • Table 11 below shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens in the optical imaging lens in this embodiment, in which the unit of curvature radius and thickness are both millimeters (mm).
  • Table 12 below shows the high order coefficient of each aspherical surface S1-S12 which can be used for each aspherical lens in this embodiment, wherein each aspherical surface type can be given by the formula (1) given in the above embodiment 1. limited.
  • Fig. 17 is a view showing an axial chromatic aberration curve of the optical imaging lens of Embodiment 4, which shows that the light of different wavelengths is deviated from the focus point after passing through the optical system.
  • Fig. 18 is a view showing an astigmatism curve of the optical imaging lens of Embodiment 4, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 19 is a view showing a distortion curve of the optical imaging lens of Embodiment 4, which shows distortion magnitude values in the case of different viewing angles.
  • Fig. 20 is a graph showing the chromatic aberration of magnification of the optical imaging lens of Embodiment 4, which shows the deviation of the different image heights on the imaging plane after the light passes through the optical imaging lens.
  • the optical imaging lens according to Embodiment 4 has a large aperture and has a good imaging effect in the case of autofocus, while ensuring processing characteristics and miniaturization.
  • the optical imaging lens includes, in order from the object side to the image side, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a sixth lens E6.
  • the first lens E1 may have positive refractive power, and the object side surface S1 may be a convex surface, and the image side surface S2 may be a concave surface.
  • the second lens E2 may have positive refractive power, and the object side surface S3 may be a convex surface, and the image side surface S4 may be a concave surface.
  • the third lens E3 may have a negative refractive power, and the object side surface S5 may be a convex surface, and the image side surface S6 may be a concave surface.
  • the fourth lens E4 may have a negative refractive power, and the object side surface S7 may be a convex surface, and the image side surface S8 may be a concave surface.
  • the fifth lens E5 may have positive refractive power, and the object side surface S9 may be a convex surface, and the image side surface S10 may be a convex surface.
  • the sixth lens E6 may have a negative refractive power, and the object side surface S11 may be a convex surface, and the image side surface S12 may be a concave surface.
  • Table 13 below shows the effective focal lengths f1 to f6 of the first to sixth lenses E1 to E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and the diagonal length of the effective pixel area of the electronic photosensitive element.
  • Table 14 below shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens in the optical imaging lens in this embodiment, in which the unit of curvature radius and thickness are both millimeters (mm).
  • Table 15 below shows the high order term coefficients of the respective aspherical surfaces S1 to S12 which can be used for the respective aspherical lenses in this embodiment, wherein each aspherical surface type can be given by the formula (1) given in the above embodiment 1. limited.
  • Fig. 22 is a view showing an axial chromatic aberration curve of the optical imaging lens of Embodiment 5, which shows that light rays of different wavelengths are deviated from a focus point after passing through the optical system.
  • Fig. 23 is a view showing an astigmatism curve of the optical imaging lens of Embodiment 5, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 24 is a view showing a distortion curve of the optical imaging lens of Embodiment 5, which shows distortion magnitude values in the case of different viewing angles.
  • Fig. 22 is a view showing an axial chromatic aberration curve of the optical imaging lens of Embodiment 5, which shows that light rays of different wavelengths are deviated from a focus point after passing through the optical system.
  • Fig. 23 is a view showing an astigmatism curve of the optical imaging lens of Embodiment 5, which shows meridional field curvature and sagittal image plane curvature.
  • the optical imaging lens according to Embodiment 5 has a large aperture and has a good imaging effect in the case of autofocus, while ensuring processing characteristics and miniaturization.
  • Fig. 26 is a schematic structural view showing the optical imaging lens of Embodiment 6.
  • the optical imaging lens includes, in order from the object side to the image side, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a sixth lens E6.
  • the first lens E1 may have positive refractive power, and the object side surface S1 may be a convex surface, and the image side surface S2 may be a concave surface.
  • the second lens E2 may have positive refractive power, and the object side surface S3 may be a convex surface, and the image side surface S4 may be a convex surface.
  • the third lens E3 may have a negative refractive power, and the object side surface S5 may be a convex surface, and the image side surface S6 may be a concave surface.
  • the fourth lens E4 may have a positive power, and the object side surface S7 may be a convex surface, and the image side surface S8 may be a concave surface.
  • the fifth lens E5 may have positive refractive power, and the object side surface S9 may be a convex surface, and the image side surface S10 may be a concave surface.
  • the sixth lens E6 may have a negative refractive power, and the object side surface S11 may be a convex surface, and the image side surface S12 may be a concave surface.
  • Table 16 below shows the effective focal lengths f1 to f6 of the first to sixth lenses E1 to E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and the diagonal length of the effective pixel area of the electronic photosensitive element.
  • Table 17 below shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens in the optical imaging lens in this embodiment, in which the unit of curvature radius and thickness are all millimeters (mm).
  • Table 18 below shows the high order coefficient of each aspherical surface S1-S12 of each aspherical lens which can be used in this embodiment, wherein each aspherical surface type can be given by the formula (1) given in the above embodiment 1. limited.
  • Fig. 27 is a view showing an axial chromatic aberration curve of the optical imaging lens of Example 6, which shows that the light of different wavelengths is deviated from the focus point after passing through the optical system.
  • Fig. 28 is a view showing an astigmatism curve of the optical imaging lens of Embodiment 6, which shows a meridional field curvature and a sagittal image plane curvature.
  • Fig. 29 is a view showing the distortion curve of the optical imaging lens of Embodiment 6, which shows the distortion magnitude value in the case of different viewing angles.
  • Fig. 30 is a graph showing the chromatic aberration of magnification of the optical imaging lens of Embodiment 6, which shows the deviation of the different image heights on the imaging plane after the light passes through the optical imaging lens.
  • the optical imaging lens according to Embodiment 6 has a large aperture and has a good imaging effect in the case of autofocus, while ensuring processing characteristics and miniaturization.
  • the optical imaging lens includes, in order from the object side to the image side, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a sixth lens E6.
  • the first lens E1 may have positive refractive power, and the object side surface S1 may be a convex surface, and the image side surface S2 may be a concave surface.
  • the second lens E2 may have positive refractive power, and the object side surface S3 may be a convex surface, and the image side surface S4 may be a convex surface.
  • the third lens E3 may have a negative refractive power, and the object side surface S5 may be a convex surface, and the image side surface S6 may be a concave surface.
  • the fourth lens E4 may have a positive power, and the object side surface S7 may be a convex surface, and the image side surface S8 may be a concave surface.
  • the fifth lens E5 may have positive refractive power, and the object side surface S9 may be a convex surface, and the image side surface S10 may be a convex surface.
  • the sixth lens E6 may have a negative refractive power, and the object side surface S11 may be a convex surface, and the image side surface S12 may be a concave surface.
  • Table 19 below shows the effective focal lengths f1 to f6 of the first to sixth lenses E1 to E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and the diagonal length of the effective pixel area of the electronic photosensitive element.
  • Table 20 below shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens in the optical imaging lens in this embodiment, in which the unit of curvature radius and thickness are in millimeters (mm).
  • Table 21 below shows the high order coefficient of each aspherical surface S1-S12 of each aspherical lens which can be used in this embodiment, wherein each aspherical surface type can be given by the formula (1) given in the above embodiment 1. limited.
  • Fig. 32 is a view showing an axial chromatic aberration curve of the optical imaging lens of Embodiment 7, which shows that the light of different wavelengths is deviated from the focus point after passing through the optical system.
  • Fig. 33 is a view showing an astigmatism curve of the optical imaging lens of Embodiment 7, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 34 is a view showing the distortion curve of the optical imaging lens of Embodiment 7, which shows the distortion magnitude value in the case of different viewing angles.
  • Fig. 35 is a graph showing the chromatic aberration of magnification of the optical imaging lens of Embodiment 7, which shows the deviation of the different image heights on the imaging plane after the light passes through the optical imaging lens.
  • the optical imaging lens according to Embodiment 7 has a large aperture and has a good imaging effect in the case of autofocus, while ensuring processing characteristics and miniaturization.
  • Fig. 36 is a view showing the configuration of an optical imaging lens of Embodiment 8.
  • the optical imaging lens includes, in order from the object side to the image side, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a sixth lens E6.
  • the first lens E1 may have positive refractive power, and the object side surface S1 may be a convex surface, and the image side surface S2 may be a concave surface.
  • the second lens E2 may have positive refractive power, and the object side surface S3 may be a convex surface, and the image side surface S4 may be a convex surface.
  • the third lens E3 may have a negative refractive power, and the object side surface S5 may be a convex surface, and the image side surface S6 may be a concave surface.
  • the fourth lens E4 may have a positive power, and the object side surface S7 may be a convex surface, and the image side surface S8 may be a concave surface.
  • the fifth lens E5 may have positive refractive power, and the object side surface S9 may be a convex surface, and the image side surface S10 may be a convex surface.
  • the sixth lens E6 may have a negative refractive power, and the object side surface S11 may be a convex surface, and the image side surface S12 may be a concave surface.
  • Table 22 below shows the effective focal lengths f1 to f6 of the first to sixth lenses E1 to E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and the diagonal length of the effective pixel area of the electronic photosensitive element.
  • Table 23 below shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens in the optical imaging lens in this embodiment, in which the unit of curvature radius and thickness are both millimeters (mm).
  • Table 24 below shows the high order coefficient of each aspherical surface S1-S12 of each aspherical lens which can be used in this embodiment, wherein each aspherical surface type can be given by the formula (1) given in the above embodiment 1. limited.
  • the optical imaging lens according to Embodiment 8 has a large aperture and has a good imaging effect in the case of autofocus, while ensuring processing characteristics and miniaturization.
  • the optical imaging lens includes, in order from the object side to the image side, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a sixth lens E6.
  • the first lens E1 may have positive refractive power, and the object side surface S1 may be a convex surface, and the image side surface S2 may be a concave surface.
  • the second lens E2 may have positive refractive power, and the object side surface S3 may be a convex surface, and the image side surface S4 may be a convex surface.
  • the third lens E3 may have a negative refractive power, and the object side surface S5 may be a convex surface, and the image side surface S6 may be a concave surface.
  • the fourth lens E4 may have a positive power, and the object side surface S7 may be a convex surface, and the image side surface S8 may be a concave surface.
  • the fifth lens E5 may have positive refractive power, and the object side surface S9 may be a convex surface, and the image side surface S10 may be a concave surface.
  • the sixth lens E6 may have a negative refractive power, and the object side surface S11 may be a convex surface, and the image side surface S12 may be a concave surface.
  • Table 25 shows the effective focal lengths f1 to f6 of the first to sixth lenses E1 to E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and the diagonal length of the effective pixel area of the electronic photosensitive element.
  • Table 26 below shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens in the optical imaging lens in this embodiment, in which the unit of curvature radius and thickness are both millimeters (mm).
  • Table 27 below shows the high order coefficient of each aspherical surface S1-S12 of each aspherical lens which can be used in this embodiment, wherein each aspherical surface type can be given by the formula (1) given in the above embodiment 1. limited.
  • Fig. 42 is a graph showing the axial chromatic aberration curve of the optical imaging lens of Example 9, which shows that the light of different wavelengths is deviated from the focus point after passing through the optical system.
  • Fig. 43 is a view showing an astigmatism curve of the optical imaging lens of Embodiment 9, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 44 is a view showing the distortion curve of the optical imaging lens of Embodiment 9, which shows the distortion magnitude value in the case of different viewing angles.
  • Fig. 45 is a graph showing the chromatic aberration of magnification of the optical imaging lens of Embodiment 9, which shows the deviation of the different image heights on the imaging plane after the light passes through the optical imaging lens.
  • the optical imaging lens according to Embodiment 9 has a large aperture and has a good imaging effect in the case of autofocus, while ensuring processing characteristics and miniaturization.
  • Fig. 46 is a view showing the configuration of an optical imaging lens of Embodiment 10.
  • the optical imaging lens includes, in order from the object side to the image side, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a sixth lens E6.
  • the first lens E1 may have positive refractive power, and the object side surface S1 may be a convex surface, and the image side surface S2 may be a concave surface.
  • the second lens E2 may have positive refractive power, and the object side surface S3 may be a convex surface, and the image side surface S4 may be a convex surface.
  • the third lens E3 may have a negative refractive power, and the object side surface S5 may be a convex surface, and the image side surface S6 may be a concave surface.
  • the fourth lens E4 may have a negative refractive power, and the object side surface S7 may be a concave surface, and the image side surface S8 may be a convex surface.
  • the fifth lens E5 may have positive refractive power, and the object side surface S9 may be a convex surface, and the image side surface S10 may be a concave surface.
  • the sixth lens E6 may have a negative refractive power, and the object side surface S11 may be a convex surface, and the image side surface S12 may be a concave surface.
  • Table 28 below shows the effective focal lengths f1 to f6 of the first to sixth lenses E1 to E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and the diagonal length of the effective pixel area of the electronic photosensitive element.
  • Table 29 below shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens in the optical imaging lens in this embodiment, in which the unit of curvature radius and thickness are both millimeters (mm).
  • Table 30 below shows the high order coefficient of each aspherical surface S1-S12 which can be used for each aspherical lens in this embodiment, wherein each aspherical surface type can be given by the formula (1) given in the above embodiment 1. limited.
  • Fig. 47 is a view showing an axial chromatic aberration curve of the optical imaging lens of Example 10, which shows that light rays of different wavelengths are deviated from the focus point after passing through the optical system.
  • Fig. 48 is a view showing an astigmatism curve of the optical imaging lens of Embodiment 10, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 49 is a view showing the distortion curve of the optical imaging lens of Embodiment 10, which shows the distortion magnitude value in the case of different viewing angles.
  • Fig. 50 is a graph showing the chromatic aberration of magnification of the optical imaging lens of Embodiment 10, which shows the deviation of the different image heights on the imaging plane after the light passes through the optical imaging lens.
  • the optical imaging lens according to Embodiment 10 has a large aperture and has a good imaging effect in the case of autofocus, while ensuring processing characteristics and miniaturization.
  • Fig. 51 is a view showing the configuration of an optical imaging lens of Embodiment 11.
  • the optical imaging lens includes, in order from the object side to the image side, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a sixth lens E6.
  • the first lens E1 may have positive refractive power, and the object side surface S1 may be a convex surface, and the image side surface S2 may be a concave surface.
  • the second lens E2 may have positive refractive power, and the object side surface S3 may be a convex surface, and the image side surface S4 may be a convex surface.
  • the third lens E3 may have a negative refractive power, and the object side surface S5 may be a convex surface, and the image side surface S6 may be a concave surface.
  • the fourth lens E4 may have a negative refractive power, and the object side surface S7 may be a concave surface, and the image side surface S8 may be a convex surface.
  • the fifth lens E5 may have positive refractive power, and the object side surface S9 may be a convex surface, and the image side surface S10 may be a concave surface.
  • the sixth lens E6 may have a negative refractive power, and the object side surface S11 may be a convex surface, and the image side surface S12 may be a concave surface.
  • Table 31 below shows the effective focal lengths f1 to f6 of the first to sixth lenses E1 to E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and the diagonal length of the effective pixel area of the electronic photosensitive element.
  • Table 32 below shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens in the optical imaging lens in this embodiment, in which the unit of curvature radius and thickness are both millimeters (mm).
  • Table 33 below shows the higher order coefficient of each aspherical surface S1-S12 of each aspherical lens which can be used in this embodiment, wherein each aspherical surface type can be given by the formula (1) given in the above embodiment 1. limited.
  • Fig. 52 is a view showing the axial chromatic aberration curve of the optical imaging lens of Example 11, which shows that the light of different wavelengths is deviated from the focus point after passing through the optical system.
  • Fig. 53 is a view showing an astigmatism curve of the optical imaging lens of Embodiment 11, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 54 is a view showing the distortion curve of the optical imaging lens of Embodiment 11, which shows the distortion magnitude value in the case of different viewing angles.
  • Fig. 55 is a graph showing the chromatic aberration of magnification of the optical imaging lens of Embodiment 11, which shows the deviation of the different image heights on the imaging plane after the light passes through the optical imaging lens.
  • the optical imaging lens according to Embodiment 11 has a large aperture and has a good imaging effect in the case of autofocus, while ensuring processing characteristics and miniaturization.
  • Fig. 56 is a view showing the configuration of an optical imaging lens of Embodiment 12.
  • the optical imaging lens includes, in order from the object side to the image side, a first lens E1, a second lens E2, a third lens E3, a fourth lens E4, a fifth lens E5, and a sixth lens E6.
  • the first lens E1 may have positive refractive power, and the object side surface S1 may be a convex surface, and the image side surface S2 may be a concave surface.
  • the second lens E2 may have positive refractive power, and the object side surface S3 may be a convex surface, and the image side surface S4 may be a convex surface.
  • the third lens E3 may have a negative refractive power, and the object side surface S5 may be a convex surface, and the image side surface S6 may be a concave surface.
  • the fourth lens E4 may have a negative refractive power, and the object side surface S7 may be a concave surface, and the image side surface S8 may be a convex surface.
  • the fifth lens E5 may have positive refractive power, and the object side surface S9 may be a convex surface, and the image side surface S10 may be a concave surface.
  • the sixth lens E6 may have a negative refractive power, and the object side surface S11 may be a convex surface, and the image side surface S12 may be a concave surface.
  • Table 34 shows the effective focal lengths f1 to f6 of the first to sixth lenses E1 to E6, the total effective focal length f of the optical imaging lens, the total length TTL of the optical imaging lens, and the diagonal length of the effective pixel area of the electronic photosensitive element.
  • Table 35 below shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens in the optical imaging lens in this embodiment, in which the unit of curvature radius and thickness are all millimeters (mm).
  • Table 36 below shows the high order coefficient of each aspherical surface S1-S12 which can be used for each aspherical lens in this embodiment, wherein each aspherical surface type can be given by the formula (1) given in the above embodiment 1. limited.
  • Fig. 57 is a view showing the axial chromatic aberration curve of the optical imaging lens of Example 12, which shows that the light of different wavelengths is deviated from the focus point after passing through the optical system.
  • Fig. 58 is a view showing an astigmatism curve of the optical imaging lens of Embodiment 12, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 59 is a view showing the distortion curve of the optical imaging lens of Embodiment 12, which shows the distortion magnitude value in the case of different viewing angles.
  • Fig. 60 is a graph showing the chromatic aberration of magnification of the optical imaging lens of Embodiment 12, which shows the deviation of the different image heights on the imaging plane after the light passes through the optical imaging lens.
  • the optical imaging lens according to Embodiment 12 has a large aperture and has a good imaging effect in the case of autofocus, while ensuring processing characteristics and miniaturization.
  • each conditional expression satisfies the conditions of Table 37 below.

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Abstract

L'invention concerne une lentille d'imagerie optique comprenant successivement, d'un côté objet à un côté image, les éléments suivants : une première lentille (E1) ayant une puissance focale positive, 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 (E2) ayant une puissance focale positive, une surface côté objet (S3) de celle-ci étant une surface convexe ; une troisième lentille (E3) ayant une puissance focale négative, une surface côté objet (S5) de celle-ci étant une surface convexe et une surface côté image (S6) de celle-ci étant une surface concave ; une quatrième lentille (E4) ayant une puissance focale ; une cinquième lentille (E5) ayant une puissance focale ; et une sixième lentille (E6) ayant une puissance focale négative, une surface côté objet (S11) de celle-ci étant une surface convexe et une surface côté image (S12) de celle-ci étant une surface concave. En outre, des entrefers sont prévus entre les lentilles (E1, E2, E3, E4, E5, E6), et le nombre d'Abbe V3 de la troisième lentille (E3) et le nombre d'Abbe V4 de la quatrième lentille (E4) satisfont la condition 4 < |V4-V3| ≤ 30.
PCT/CN2019/072155 2018-01-22 2019-01-17 Lentille d'imagerie optique WO2019141210A1 (fr)

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JP2021135489A (ja) * 2020-02-24 2021-09-13 エーエーシー オプティクス （チャンジョウ）カンパニーリミテッド 撮像光学レンズ
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