WO2021097920A1 - Lentille optique photographique - Google Patents

Lentille optique photographique Download PDF

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Publication number
WO2021097920A1
WO2021097920A1 PCT/CN2019/122862 CN2019122862W WO2021097920A1 WO 2021097920 A1 WO2021097920 A1 WO 2021097920A1 CN 2019122862 W CN2019122862 W CN 2019122862W WO 2021097920 A1 WO2021097920 A1 WO 2021097920A1
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Prior art keywords
lens
imaging optical
curvature
radius
optical lens
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PCT/CN2019/122862
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English (en)
Chinese (zh)
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石荣宝
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诚瑞光学(常州)股份有限公司
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Publication of WO2021097920A1 publication Critical patent/WO2021097920A1/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
    • G02B13/06—Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
    • 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

Definitions

  • the present invention relates to the field of optical lenses, in particular to an imaging optical lens suitable for portable terminal equipment such as smart phones and digital cameras, as well as imaging devices such as monitors and PC lenses.
  • Camera optical lenses on traditional electronic products mostly adopt four-element, five-element, six-element or even seven-element lens structure.
  • the shape setting is not sufficient, resulting in the wide-angle and ultra-thinning of the imaging optical lens is still insufficient.
  • the purpose of the present invention is to provide an imaging optical lens, which aims to solve the problems of insufficient wide-angle and ultra-thinning of the traditional imaging optical lens.
  • an imaging optical lens from the object side to the image side, including: a first lens with negative refractive power, a second lens with positive refractive power, a third lens with negative refractive power, The fourth lens with positive refractive power and the fifth lens with negative refractive power; wherein the focal length of the imaging optical lens as a whole is f, the focal length of the third lens is f3, and the curvature of the object side of the third lens
  • the radius is R5, the radius of curvature of the image side surface of the third lens is R6, the radius of curvature of the object side surface of the second lens is R3, the axial thickness of the second lens is d3, and the The on-axis thickness is d1, and the on-axis distance from the image side surface of the first lens to the object side surface of the second lens is d2, which satisfies the following relationship: -10.00 ⁇ f3/f ⁇ -5.00; R3/d3 ⁇ 10.00 ; 5.00 ⁇ (R5+R6)
  • the imaging optical lens satisfies the following relationship: 10.81 ⁇ R3/d3 ⁇ 98.66.
  • the focal length of the fifth lens is f5, which satisfies the following relationship: -1.00 ⁇ f5/f ⁇ 0.00.
  • the curvature radius of the object side surface of the first lens is R1
  • the curvature radius of the image side surface of the first lens is R2, which satisfies the following relationship: 3.00 ⁇ (R1+R2)/(R1-R2) ⁇ 5.00.
  • the focal length of the first lens is f1
  • the total optical length of the imaging optical lens is TTL, which satisfies the following relationship: -6.75 ⁇ f1/f ⁇ -1.46; 0.02 ⁇ d1/TTL ⁇ 0.08.
  • the focal length of the second lens is f2
  • the radius of curvature of the image side surface of the second lens is R4
  • the total optical length of the imaging optical lens is TTL, and the following relationship is satisfied: 0.55 ⁇ f2/f ⁇ 1.83 ; 0.29 ⁇ (R3+R4)/(R3-R4) ⁇ 1.36; 0.05 ⁇ d3/TTL ⁇ 0.19.
  • the axial thickness of the third lens is d5, and the total optical length of the imaging optical lens is TTL, and the following relationship is satisfied: 0.03 ⁇ d5/TTL ⁇ 0.12.
  • the focal length of the fourth lens is f4
  • the radius of curvature of the object side of the fourth lens is R7
  • the radius of curvature of the image side of the fourth lens is R8, and the on-axis thickness of the fourth lens is d7
  • the total optical length of the camera optical lens is TTL, and satisfies the following relationship: 0.36 ⁇ f4/f ⁇ 1.20; 0.67 ⁇ (R7+R8)/(R7-R8) ⁇ 2.04; 0.11 ⁇ d7/TTL ⁇ 0.38.
  • the radius of curvature of the object side surface of the fifth lens is R9
  • the radius of curvature of the image side surface of the fifth lens is R10
  • the axial thickness of the fifth lens is d9
  • the total optical length of the imaging optical lens is TTL, and satisfies the following relationship: 0.68 ⁇ (R9+R10)/(R9-R10) ⁇ 3.54; 0.05 ⁇ d9/TTL ⁇ 0.21.
  • the image height of the imaging optical lens is IH, and satisfies the following relationship: TTL/IH ⁇ 2.2.
  • the beneficial effect of the present invention is that the camera optical lens provided by the present invention has good optical performance, while meeting the design requirements of wide-angle and ultra-thinness.
  • FIG. 1 is a schematic diagram of the structure of the imaging optical lens of the first embodiment
  • FIG. 2 is a schematic diagram of axial aberration of the imaging optical lens shown in FIG. 1;
  • FIG. 3 is a schematic diagram of chromatic aberration of magnification of the imaging optical lens shown in FIG. 1;
  • FIG. 4 is a schematic diagram of field curvature and distortion of the imaging optical lens shown in FIG. 1;
  • FIG. 5 is a schematic diagram of the structure of the imaging optical lens of the second embodiment
  • FIG. 6 is a schematic diagram of axial aberration of the imaging optical lens shown in FIG. 5;
  • FIG. 7 is a schematic diagram of the chromatic aberration of magnification of the imaging optical lens shown in FIG. 5;
  • FIG. 8 is a schematic diagram of field curvature and distortion of the imaging optical lens shown in FIG. 5;
  • FIG. 9 is a schematic diagram of the structure of the imaging optical lens of the third embodiment.
  • FIG. 10 is a schematic diagram of axial aberration of the imaging optical lens shown in FIG. 9;
  • FIG. 11 is a schematic diagram of the chromatic aberration of magnification of the imaging optical lens shown in FIG. 9;
  • FIG. 12 is a schematic diagram of field curvature and distortion of the imaging optical lens shown in FIG. 9.
  • the present invention provides an imaging optical lens 10 according to the first embodiment.
  • the left side is the object side
  • the right side is the image side.
  • the imaging optical lens 10 mainly includes five lenses arranged coaxially. From the object side to the image side, there are a first lens L1, a second lens L2, and a second lens. Three lens L3, fourth lens L4 and fifth lens L5. An aperture S1 is also provided on the object side of the second lens L2, and a glass plate GF is provided between the fifth lens L5 and the image plane Si.
  • the glass plate GF may be a glass cover plate or an optical filter.
  • the first lens L1 has negative refractive power; the second lens L2 has positive refractive power; the third lens L3 has negative refractive power; the fourth lens L4 has positive refractive power; the fifth lens L5 has negative refractive power .
  • the focal length of the entire imaging optical lens 10 is defined as f
  • the focal length of the third lens L3 is f3
  • the radius of curvature of the object side surface of the third lens L3 is R5
  • the radius of curvature of the image side surface of the third lens L3 is R6.
  • the curvature radius of the object side of the second lens L2 is R3, the on-axis thickness of the second lens L2 is d3, the on-axis thickness of the first lens L1 is d1, and the image side of the first lens L1 to the object side of the second lens L2
  • the distance on the axis is d2, which satisfies the following relationship:
  • conditional formula (1) specifies the ratio of the focal length f3 of the third lens L3 to the total focal length f of the system, which can effectively balance the spherical aberration and field curvature of the system.
  • it satisfies -9.95 ⁇ f3/f ⁇ -5.04.
  • conditional expression (2) specifies the ratio of the curvature radius R3 of the object side surface of the second lens L2 to the thickness d3 of the second lens, which helps to improve the performance of the optical system within the range of the conditional expression.
  • Conditional expression (3) specifies the shape of the third lens. When it is within the range of conditional expression (3), with the development of ultra-thin and wide-angle, it is beneficial to correct the aberration of the off-axis angle of view. Preferably, 5.45 ⁇ (R5+R6)/(R5-R6) ⁇ 13.5 is satisfied.
  • Conditional expression (4) specifies the ratio of the thickness d1 of the first lens L1 to the on-axis distance d2 from the image side surface of the first lens L1 to the object side surface of the second lens L2, which helps to compress the total length of the optical system within the range of the conditional expression. Achieve ultra-thin effect. Preferably, 1.08 ⁇ d1/d2 ⁇ 2.12 is satisfied.
  • the focal length of the fifth lens L5 is f5, which satisfies the following relational expression: -1.00 ⁇ f5/f ⁇ 0.00, which specifies the ratio of the focal length f5 of the fifth lens L5 to the total focal length f of the system, through the reasonable allocation of the focal length , So that the system has better imaging quality and lower sensitivity.
  • -0.99 ⁇ f5/f ⁇ -0.37 is satisfied.
  • the curvature radius of the object side surface of the first lens L1 is R1
  • the curvature radius of the image side surface of the first lens L1 is R2, which satisfies the following relationship: 3.00 ⁇ (R1+R2)/(R1-R2) ⁇ 5.00.
  • the shape of a lens L1 within the range specified by the conditional formula, can ease the degree of deflection of light passing through the lens, and effectively reduce aberrations. Preferably, 3.05 ⁇ (R1+R2)/(R1-R2) ⁇ 4.95 is satisfied.
  • the focal length of the first lens L1 is f1, which satisfies the following relationship: -6.75 ⁇ f1/f ⁇ -1.46, which specifies the negative refractive power of the first lens L1.
  • f1 The focal length of the first lens L1
  • -6.75 ⁇ f1/f ⁇ -1.46 which specifies the negative refractive power of the first lens L1.
  • the negative refractive power of the first lens L1 will be too strong, it is difficult to correct problems such as aberrations, and it is not conducive to the development of the lens to wide-angle.
  • the lower limit value is exceeded, the negative refractive power of the first lens L1 will become too weak, and it will be difficult for the lens to become ultra-thin.
  • -4.22 ⁇ f1/f ⁇ -1.83 is satisfied.
  • the axial thickness of the first lens L1 is d1
  • the total optical length of the imaging optical lens is TTL, which satisfies the following relationship: 0.02 ⁇ d1/TTL ⁇ 0.08, which is conducive to achieving ultra-thinness.
  • 0.04 ⁇ d1/TTL ⁇ 0.06 is satisfied.
  • the focal length of the second lens L2 is f2, which satisfies the following relational expression: 0.55 ⁇ f2/f ⁇ 1.83.
  • the reasonable distribution of optical power enables the system to have better imaging quality and lower sensitivity.
  • 0.87 ⁇ f2/f ⁇ 1.47 is satisfied.
  • the curvature radius of the object side surface of the second lens L2 is R3, and the curvature radius of the image side surface of the second lens L2 is R4, which satisfies the following relationship: 0.29 ⁇ (R3+R4)/(R3-R4) ⁇ 1.36, which specifies the second lens
  • 0.46 ⁇ (R3+R4)/(R3-R4) ⁇ 1.09 is satisfied.
  • the on-axis thickness of the second lens L2 is d3, which satisfies the following relationship: 0.05 ⁇ d3/TTL ⁇ 0.19, which is beneficial to realize ultra-thinness.
  • 0.09 ⁇ d3/TTL ⁇ 0.15 is satisfied.
  • the on-axis thickness of the third lens L3 is d5, which satisfies the following relationship: 0.03 ⁇ d5/TTL ⁇ 0.12, which is beneficial to realize ultra-thinness.
  • 0.05 ⁇ d5/TTL ⁇ 0.09 is satisfied.
  • the curvature radius of the object side surface of the fourth lens L4 is R7
  • the curvature radius of the image side surface of the fourth lens L4 is R8, which satisfies the following relationship: 0.67 ⁇ (R7+R8)/(R7-R8) ⁇ 2.04, which specifies the fourth lens
  • the shape of L4 is within the range, as the lens becomes ultra-thin and wide-angle, it is helpful to correct the aberration problem of the off-axis angle of view.
  • 1.08 ⁇ (R7+R8)/(R7-R8) ⁇ 1.63 is satisfied.
  • the focal length of the fourth lens L4 is f4, which satisfies the following relational expression: 0.36 ⁇ f4/f ⁇ 1.20.
  • the reasonable distribution of optical power enables the system to have better imaging quality and lower sensitivity.
  • 0.58 ⁇ f4/f ⁇ 0.96 is satisfied.
  • the on-axis thickness of the fourth lens L4 is d7, which satisfies the following relationship: 0.11 ⁇ d7/TTL ⁇ 0.38, which is conducive to achieving ultra-thinness.
  • 0.18 ⁇ d7/TTL ⁇ 0.31 is satisfied.
  • the radius of curvature of the object side surface of the fifth lens L5 is R9
  • the radius of curvature of the image side surface of the fifth lens L5 is R10, which satisfies the following relationship: 0.68 ⁇ (R9+R10)/(R9-R10) ⁇ 3.54, which specifies the fifth lens
  • 0.68 ⁇ (R9+R10)/(R9-R10) ⁇ 3.54 which specifies the fifth lens
  • the shape of L5 is within the range, as the lens develops towards ultra-thin and wide-angle, it is helpful to correct the aberration of the off-axis angle of view.
  • 1.09 ⁇ (R9+R10)/(R9-R10) ⁇ 2.84 is satisfied.
  • the on-axis thickness of the fifth lens L5 is d9, which satisfies the following relationship: 0.05 ⁇ d9/TTL ⁇ 0.21, which is beneficial to realize ultra-thinness.
  • 0.08 ⁇ d9/TTL ⁇ 0.16 is satisfied.
  • the image height of the camera optical lens is IH, which satisfies the following relationship: TTL/IH ⁇ 2.2, which is conducive to achieving ultra-thinness.
  • the total optical length TTL of the imaging optical lens 10 is less than or equal to 4.73 mm, which is beneficial to realize ultra-thinness.
  • the total optical length TTL is less than or equal to 4.52 mm.
  • the aperture F number of the imaging optical lens 10 is less than or equal to 2.49. Large aperture, good imaging performance. Preferably, the aperture F number is less than or equal to 2.44.
  • the overall optical length TTL of the overall imaging optical lens 10 can be shortened as much as possible, and the characteristics of miniaturization can be maintained.
  • the surface of each lens can be set as an aspherical surface.
  • the aspherical surface can be easily made into a shape other than a spherical surface, and more control variables can be obtained to reduce aberrations, thereby reducing the use of lenses. Therefore, the total length of the imaging optical lens 10 can be effectively reduced.
  • the imaging optical lens 10 can be reasonable The power, spacing, and shape of each lens are allocated, and various aberrations are corrected accordingly.
  • the ratio of the total optical length TTL of the imaging optical lens 10 to the image height IH is less than or equal to 2.20, and the imaging optical lens 10 is ultra-thin.
  • the field of view FOV of the imaging optical lens 10 is greater than or equal to 98°, thereby achieving a wide angle.
  • the imaging optical lens 10 can not only have good optical imaging performance, but also meet the design requirements of large aperture and ultra-thinness.
  • At least one of the object side surface and the image side surface of each lens may also be provided with an inflection point and/or a stagnation point to meet high-quality imaging requirements.
  • an inflection point and/or a stagnation point may also be provided with an inflection point and/or a stagnation point to meet high-quality imaging requirements.
  • the design data of the imaging optical lens 10 shown in FIG. 1 is shown below.
  • Table 1 lists the object side curvature radius and the image side curvature radius R of the first lens L1 to the fifth lens L5 constituting the imaging optical lens 10 in the first embodiment of the present invention, the on-axis thickness of each lens, and the distance between two adjacent lenses.
  • R The radius of curvature of the optical surface, and the radius of curvature of the center of the lens
  • R1 the radius of curvature of the object side surface of the first lens L1;
  • R2 the radius of curvature of the image side surface of the first lens L1;
  • R3 the radius of curvature of the object side surface of the second lens L2;
  • R4 the radius of curvature of the image side surface of the second lens L2;
  • R5 the radius of curvature of the object side surface of the third lens L3;
  • R6 the radius of curvature of the image side surface of the third lens L3;
  • R7 the radius of curvature of the object side of the fourth lens L4;
  • R8 the radius of curvature of the image side surface of the fourth lens L4;
  • R9 the radius of curvature of the object side surface of the fifth lens L5;
  • R10 the radius of curvature of the image side surface of the fifth lens L5;
  • R11 The curvature radius of the object side surface of the glass plate GF
  • R12 the radius of curvature of the image side surface of the glass plate GF
  • d the on-axis thickness of each lens or the on-axis distance between two adjacent lenses
  • d0 the on-axis distance from the aperture S1 to the object side of the first lens L1;
  • d2 the on-axis distance from the image side surface of the first lens L1 to the object side surface of the second lens L2;
  • d4 the on-axis distance from the image side surface of the second lens L2 to the object side surface of the third lens L3;
  • d6 the on-axis distance from the image side surface of the third lens L3 to the object side surface of the fourth lens L4;
  • d10 the on-axis distance from the image side surface of the fifth lens L5 to the object side surface of the glass plate GF;
  • d11 the axial thickness of the glass plate GF
  • nd1 the refractive index of the first lens L1;
  • nd2 the refractive index of the second lens L2
  • nd3 the refractive index of the third lens L3;
  • nd4 the refractive index of the fourth lens L4
  • nd5 the refractive index of the fifth lens L5;
  • ndg the refractive index of the glass plate GF
  • vg Abbe number of glass plate GF.
  • Table 2 shows the aspheric surface data of each lens in the imaging optical lens 10 of the first embodiment of the present invention.
  • k is the conic coefficient
  • A4, A6, A8, A10, A12, A14, and A16 are aspherical coefficients.
  • the aspheric surface of each lens surface uses the aspheric surface shown in the above formula (5).
  • the present invention is not limited to the aspheric polynomial form represented by the formula (5).
  • Table 3 and Table 4 show the design data of the inflection point and stagnation point of each lens in the imaging optical lens 10 of the embodiment of the present invention.
  • P1R1 and P2R2 represent the object side and image side of the first lens L1 respectively
  • P2R1 and P2R2 represent the object side and image side of the second lens L2 respectively
  • P3R1 and P3R2 represent the object side and image side of the third lens L3 respectively
  • P4R1 and P4R2 represent the object side surface and the image side surface of the fourth lens L4, respectively.
  • P5R1 and P5R2 represent the object side and image side of the fifth lens L5, respectively.
  • the corresponding data in the “reflection point position” column is the vertical distance from the reflex point set on the surface of each lens to the optical axis of the imaging optical lens 10.
  • the data corresponding to the “stationary point position” column is the vertical distance from the stationary point set on the surface of each lens to the optical axis of the imaging optical lens 10.
  • FIG. 4 shows a schematic diagram of field curvature and distortion of light with a wavelength of 555 nm after passing through the imaging optical lens 10.
  • the curvature of field S in FIG. 4 is the curvature of field in the sagittal direction
  • T is the curvature of field in the meridional direction.
  • the imaging optical lens 10 has an entrance pupil diameter of 0.930mm, a full-field image height of 2.040mm, a diagonal viewing angle of 98.00°, a wide-angle, ultra-thin, and excellent Optical characteristics.
  • FIG. 5 is a schematic diagram of the structure of the imaging optical lens 20 in the second embodiment.
  • the second embodiment is basically the same as the first embodiment.
  • the meanings of the symbols in the following list are also the same as those in the first embodiment. Therefore, the same parts will not be repeated here. List the differences.
  • Table 5 and Table 6 show design data of the imaging optical lens 20 according to the second embodiment of the present invention.
  • Table 6 shows the aspheric surface data of each lens in the imaging optical lens 20 according to the second embodiment of the present invention.
  • Table 7 and Table 8 show the design data of the inflection point and stagnation point of each lens in the imaging optical lens 20.
  • FIG. 6 and 7 respectively show the schematic diagrams of the axial aberration and the chromatic aberration of magnification after the light with wavelengths of 650 nm, 610 nm, 555 nm, 510 nm and 470 nm passes through the imaging optical lens 20.
  • FIG. 8 shows a schematic diagram of field curvature and distortion of light with a wavelength of 555 nm after passing through the imaging optical lens 20.
  • the curvature of field S in FIG. 8 is the curvature of field in the sagittal direction, and T is the curvature of field in the meridional direction.
  • the imaging optical lens 20 has an entrance pupil diameter of 0.930mm, a full-field image height of 2.040mm, a diagonal viewing angle of 98.80°, a wide-angle, ultra-thin, and excellent Optical characteristics.
  • FIG. 9 is a schematic diagram of the structure of the imaging optical lens 30 in the third embodiment.
  • the third embodiment is basically the same as the first embodiment.
  • the meanings of the symbols in the following list are also the same as those in the first embodiment. Therefore, the same parts will not be repeated here. List the differences.
  • Table 9 and Table 10 show design data of the imaging optical lens 30 according to the third embodiment of the present invention.
  • Table 10 shows the aspheric surface data of each lens in the imaging optical lens 30 according to the third embodiment of the present invention.
  • Table 11 and Table 12 show the design data of the inflection point and stagnation point of each lens in the imaging optical lens 30.
  • Table 13 also lists the values corresponding to the various parameters in the third embodiment and the parameters specified in the conditional expression.
  • FIG. 10 and 11 respectively show schematic diagrams of the axial aberration and the chromatic aberration of magnification after the light with wavelengths of 650 nm, 610 nm, 555 nm, 510 nm, and 470 nm pass through the imaging optical lens 30.
  • FIG. 12 shows a schematic diagram of field curvature and distortion of light with a wavelength of 555 nm after passing through the imaging optical lens 30.
  • the curvature of field S in FIG. 12 is the curvature of field in the sagittal direction, and T is the curvature of field in the meridional direction.
  • the imaging optical lens 30 has an entrance pupil diameter of 0.925mm, a full-field image height of 2.040mm, a diagonal viewing angle of 99.20°, a wide-angle, ultra-thin, and excellent Optical characteristics.
  • Table 13 lists the values of the corresponding conditional expressions in the first embodiment, the second embodiment, and the third embodiment and the values of other related parameters according to the above-mentioned conditional expressions.
  • Example 1 Example 2
  • Example 3 f3/f -9.087 -5.074 -9.901
  • R3/d3 65.214 62.910 11.613 (R5+R6)/(R5-R6) 8.996 5.895 12.000 d1/d2 1.243 1.214 1.160
  • FNO 2.419 2.419 2.421 f 2.250 2.250 2.239 f1 -6.661 -7.596 -4.909 f2 2.682 2.749 2.448 f3 -20.445 -11.417 -22.169 f4 1.619 1.804 1.692 f5 -1.656 -2.177 -1.765 f12 4.193 4.171 4.337

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Abstract

L'invention concerne une lentille optique photographique (10, 20, 30) comprenant séquentiellement, d'un côté objet à un côté image : une première lentille (L1) ayant une réfringence négative, une deuxième lentille (L2) ayant une réfringence positive, une troisième lentille (L3) ayant une réfringence négative, une quatrième lentille (L4) ayant une réfringence positive et une cinquième lentille (L5) ayant une réfringence négative. La longueur focale globale de la lentille optique photographique (10, 20, 30) est f, la distance focale de la troisième lentille (L3) est f3, le rayon de courbure de la surface côté objet de la troisième lentille (L3) est R5, le rayon de courbure de la surface côté image de la troisième lentille (L3) est R6, le rayon de courbure de la surface côté objet de la deuxième lentille (L2) est R3, l'épaisseur sur l'axe de la deuxième lentille (L2) est d3, l'épaisseur sur l'axe de la première lentille (L1) est d1 et la distance sur l'axe de la surface côté image de la première lentille (L1) à la surface côté objet de la deuxième lentille (L2) est d2, qui satisfont aux relations suivantes : -10,00≤f3/f≤-5,00 ; R3/d3≥10,00 ; 5,00≤(R5+R6)/(R5-R6)≤15,00 ; et 1,00≤d1/d2≤3,00. La lentille optique photographique (10, 20, 30) satisfait aux exigences de conception d'un grand angle et est ultra-mince tout en ayant de bonnes performances optiques.
PCT/CN2019/122862 2019-11-22 2019-12-04 Lentille optique photographique WO2021097920A1 (fr)

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CN114779432A (zh) * 2022-03-10 2022-07-22 东莞晶彩光学有限公司 一种广角度光学镜头

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CN111505808B (zh) * 2020-07-01 2020-09-25 瑞声通讯科技(常州)有限公司 摄像光学镜头
CN111929824B (zh) * 2020-09-03 2021-03-09 诚瑞光学(苏州)有限公司 摄像光学镜头

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