WO2021128279A1 - Lentille optique de caméra - Google Patents

Lentille optique de caméra Download PDF

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Publication number
WO2021128279A1
WO2021128279A1 PCT/CN2019/129172 CN2019129172W WO2021128279A1 WO 2021128279 A1 WO2021128279 A1 WO 2021128279A1 CN 2019129172 W CN2019129172 W CN 2019129172W WO 2021128279 A1 WO2021128279 A1 WO 2021128279A1
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Prior art keywords
lens
imaging optical
optical lens
ttl
object side
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PCT/CN2019/129172
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English (en)
Chinese (zh)
Inventor
寺冈弘之
张磊
崔元善
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诚瑞光学(常州)股份有限公司
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Priority to PCT/CN2019/129172 priority Critical patent/WO2021128279A1/fr
Publication of WO2021128279A1 publication Critical patent/WO2021128279A1/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
    • 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

  • This application relates to the field of optical lenses, and in particular to a camera optical lens suitable for portable terminal equipment such as smart phones and digital cameras, as well as camera devices such as monitors and PC lenses.
  • the photosensitive devices of general photographic lenses are nothing more than photosensitive coupling devices (Charge Coupled Device, CCD) or complementary metal oxide semiconductor devices (Complementary Metal).
  • CCD Charge Coupled Device
  • CMOS Sensor complementary metal oxide semiconductor devices
  • the pixel size of photosensitive devices has been reduced, and nowadays electronic products are developed with good functions, thin and short appearance, so they have
  • the miniaturized camera lens with good image quality has become the mainstream in the current market.
  • the lenses traditionally mounted on mobile phone cameras mostly adopt a three-element or four-element lens structure.
  • the purpose of the present application is to provide an imaging optical lens that can meet the requirements of ultra-thinness and wide-angle while obtaining high imaging performance.
  • the embodiments of the present application provide an imaging optical lens.
  • the imaging optical lens includes in order from the object side to the image side: a first lens with negative refractive power, and a first lens with positive refractive power.
  • Two lenses a third lens with positive refractive power, a fourth lens with negative refractive power, a fifth lens with positive refractive power, and a sixth lens with negative refractive power;
  • the maximum field of view of the imaging optical lens is FOV
  • the focal length of the imaging optical lens is f
  • the focal length of the sixth lens is f6
  • the radius of curvature of the object side of the first lens is R1
  • the first lens The radius of curvature of the image side surface of the lens is R2
  • the on-axis distance from the image side surface of the first lens to the object side surface of the second lens is d2
  • the image side surface of the fourth lens to the object side surface of the fifth lens The distance on the axis is d8, which satisfies the following relationship:
  • the object side surface of the first lens is concave at the paraxial position
  • the image side surface is concave at the paraxial position
  • the focal length of the first lens is f1
  • the on-axis thickness of the first lens is d1
  • the total optical length of the camera optical lens is TTL, and satisfies the following relationship:
  • the imaging optical lens satisfies the following relationship:
  • the object side surface of the second lens is concave at the paraxial position
  • the image side surface is convex at the paraxial position
  • the focal length of the second lens is f2
  • the radius of curvature of the object side surface of the second lens is R3
  • the curvature radius of the image side surface of the second lens is R4
  • the on-axis thickness of the second lens is d3
  • the total optical length of the imaging optical lens is TTL, and the following relationship is satisfied:
  • the imaging optical lens satisfies the following relationship:
  • the object side surface of the third lens is convex at the paraxial position
  • the image side surface is convex at the paraxial position
  • the focal length of the third lens is f3
  • the radius of curvature of the object side of the third lens is R5
  • the curvature radius of the image side surface of the third lens is R6, the on-axis thickness of the third lens is d5, the total optical length of the imaging optical lens is TTL, and the following relationship is satisfied:
  • the imaging optical lens satisfies the following relationship:
  • the object side surface of the fourth lens is concave at the paraxial position
  • the focal length of the fourth lens is f4
  • the curvature radius of the object side surface of the fourth lens is R7
  • the curvature of the image side surface of the fourth lens The radius is R8, the on-axis thickness of the fourth lens is d7, the total optical length of the imaging optical lens is TTL, and the following relationship is satisfied:
  • the imaging optical lens satisfies the following relationship:
  • the focal length of the fifth lens is f5
  • the radius of curvature of the object side of the fifth lens is R9
  • the radius of curvature of the image side of the fifth lens is R10
  • the on-axis thickness of the fifth lens is d9
  • the total optical length of the camera optical lens is TTL, and satisfies the following relationship:
  • the imaging optical lens satisfies the following relationship:
  • the object side surface of the sixth lens is convex at the paraxial position
  • the image side surface is concave at the paraxial position
  • the radius of curvature of the object side surface of the sixth lens is R11
  • the radius of curvature of the image side surface of the sixth lens Is R12
  • the on-axis thickness of the sixth lens is d11
  • the total optical length of the imaging optical lens is TTL, and the following relationship is satisfied:
  • the imaging optical lens satisfies the following relationship:
  • the total optical length TTL of the imaging optical lens is less than or equal to 7.62 mm.
  • the total optical length TTL of the imaging optical lens is less than or equal to 7.28 mm.
  • the aperture F number of the imaging optical lens is less than or equal to 3.30.
  • the aperture F number of the imaging optical lens is less than or equal to 3.23.
  • the imaging optical lens according to the present application has excellent optical characteristics, is ultra-thin, wide-angle and fully compensated for chromatic aberration, and is especially suitable for mobile phone camera lenses composed of high-pixel CCD, CMOS and other imaging elements. Components and WEB camera lens.
  • FIG. 1 is a schematic diagram of the structure of an imaging optical lens according to a first embodiment of the present application
  • 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 the 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 an imaging optical lens according to a second embodiment of the present application.
  • 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 an imaging optical lens according to a third embodiment of the present application.
  • 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.
  • Fig. 1 shows an imaging optical lens 10 according to the first embodiment of the application.
  • the imaging optical lens 10 includes six lenses.
  • the imaging optical lens 10 includes, in order from the object side to the image side, a first lens L1, a second lens L2, an aperture S1, a third lens L3, a fourth lens L4, a fifth lens L5, and a sixth lens.
  • Lens L6 An optical element such as an optical filter GF may be provided on the image side of the sixth lens L6.
  • the first lens L1 is made of plastic material
  • the second lens L2 is made of plastic material
  • the third lens L3 is made of plastic material
  • the fourth lens L4 is made of plastic material
  • the fifth lens L5 is made of plastic material
  • the sixth lens L6 is made of plastic material.
  • the maximum angle of view of the camera optical lens 10 is defined as FOV, 100.00° ⁇ FOV ⁇ 135.00°, within the range, ultra-wide-angle photography can be achieved, and user experience can be improved.
  • the focal length of the overall imaging optical lens as f
  • the focal length of the sixth lens L6 as f6, -5.00 ⁇ f6/f ⁇ -2.00.
  • the system has better imaging quality and lower sensitivity.
  • Sex. Define the curvature radius of the object side surface of the first lens L1 as R1, and the curvature radius of the image side surface of the first lens L1 as R2, -30.00 ⁇ R1/R2 ⁇ -10.00, which defines the shape of the first lens L1.
  • the development of the lens towards ultra-thin and wide-angle is conducive to correcting the problem of chromatic aberration on the axis.
  • the on-axis distance from the image side of the first lens L1 to the object side of the second lens L2 as d2
  • the on-axis distance from the image side of the fourth lens L4 to the object side of the fifth lens L5 as d8, 1.00 ⁇ d2/d8 ⁇ 10.00, which specifies the ratio of the axial distance between the first lens L1 and the second lens L2 to the axial distance between the fourth lens L4 and the fifth lens L5.
  • the imaging optical lens 10 When the focal length of the imaging optical lens 10, the focal length of each lens, the refractive index of the relevant lens, the total optical length of the imaging optical lens, the axial thickness and the radius of curvature of the present application satisfy the above-mentioned relational expressions, the imaging optical lens 10 can be made high Performance, and meet the design requirements of low TTL.
  • the object side surface of the first lens L1 is concave at the paraxial position, and the image side surface is concave at the paraxial position, and has a negative refractive power.
  • the focal length of the overall imaging optical lens is f
  • the focal length of the first lens L1 is f1, -4.09 ⁇ f1/f ⁇ -1.06, which specifies the ratio of the focal length of the first lens L1 to the overall focal length.
  • the first lens L1 has an appropriate negative refractive power, which is beneficial to reduce system aberrations, and at the same time, is beneficial to the development of ultra-thin and wide-angle lenses.
  • the curvature radius R1 of the object side surface of the first lens L1 and the curvature radius R2 of the image side surface of the first lens L1 satisfy the following relationship: 0.41 ⁇ (R1+R2)/(R1-R2) ⁇ 1.40, reasonable control of the first lens L1
  • the shape enables the first lens L1 to effectively correct the spherical aberration of the system; preferably, 0.66 ⁇ (R1+R2)/(R1-R2) ⁇ 1.12.
  • 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 ⁇ 0.16, which is conducive to achieving ultra-thinness.
  • the object side surface of the second lens L2 is concave at the paraxial position, and the image side surface is convex at the paraxial position, and has positive refractive power.
  • the focal length of the overall imaging optical lens 10 is f
  • the focal length of the second lens L2 is f2 which satisfies the following relationship: 2.15 ⁇ f2/f ⁇ 10.78.
  • the curvature radius R3 of the object side surface of the second lens L2 and the curvature radius R4 of the image side surface of the second lens L2 satisfy the following relationship: 0.84 ⁇ (R3+R4)/(R3-R4) ⁇ 9.18, which specifies the second lens L2 When the shape is within the range, as the lens develops towards ultra-thin and wide-angle, it is helpful to correct the problem of axial chromatic aberration. Preferably, 1.34 ⁇ (R3+R4)/(R3-R4) ⁇ 7.35.
  • the on-axis thickness of the second lens L2 is d3, and the total optical length of the imaging optical lens is TTL, which satisfies the following relationship: 0.05 ⁇ d3/TTL ⁇ 0.23, which is conducive to achieving ultra-thinness.
  • the object side surface of the third lens L3 is convex at the paraxial position, and the image side surface is convex at the paraxial position, and has positive refractive power.
  • the focal length of the overall imaging optical lens 10 is f, and the focal length f3 of the third lens L3 satisfies the following relationship: 0.35 ⁇ f3/f ⁇ 1.86.
  • the reasonable distribution of optical power enables the system to have better imaging quality and lower image quality. Sensitivity.
  • the curvature radius R5 of the object side surface of the third lens L3 and the curvature radius R6 of the image side surface of the third lens L3 satisfy the following relationship: -0.18 ⁇ (R5+R6)/(R5-R6) ⁇ 0.30, which can effectively control the third lens
  • the shape of L3 is conducive to the molding of the third lens L3.
  • the degree of deflection of the light passing through the lens can be relaxed, and aberrations can be effectively reduced.
  • the on-axis thickness of the third lens L3 is d5, and the total optical length of the imaging optical lens is TTL, which satisfies the following relationship: 0.05 ⁇ d5/TTL ⁇ 0.21, which is conducive to achieving ultra-thinness.
  • the object side surface of the fourth lens L4 is concave at the paraxial position and has a negative refractive power.
  • the focal length of the imaging optical lens is f
  • the focal length of the fourth lens is f4 which satisfies the following relationship: -5.20 ⁇ f4/f ⁇ -0.91.
  • the system has better imaging quality and lower
  • the curvature radius R7 of the object side surface of the fourth lens L4 and the curvature radius R8 of the image side surface of the fourth lens L4 satisfy the following relationship: -2.60 ⁇ (R7+R8)/(R7-R8) ⁇ -0.44, which is the fourth
  • -2.60 ⁇ (R7+R8)/(R7-R8) ⁇ -0.44 which is the fourth
  • the axial thickness of the fourth lens L4 is d7, and the total optical length of the imaging optical lens is TTL, which satisfies the following relationship: 0.02 ⁇ d7/TTL ⁇ 0.05, which is conducive to achieving ultra-thinness.
  • the fifth lens L5 has a positive refractive power.
  • the focal length of the imaging optical lens is f
  • the focal length of the fifth lens L5 is f5, which satisfies the following relationship: 0.94 ⁇ f5/f ⁇ 26.91.
  • the limitation of the fifth lens L5 can effectively make the light angle of the imaging lens smooth and reduce tolerance sensitivity .
  • the curvature radius R9 of the object side surface of the fifth lens L5 and the curvature radius R10 of the image side surface of the fifth lens L5 satisfy the following relationship: -21.63 ⁇ (R9+R10)/(R9-R10) ⁇ 2.58, the fifth lens is specified
  • the shape of L5 is within the range of conditions, with the development of ultra-thin and wide-angle, it is conducive to correcting the aberration of the off-axis angle of view.
  • the on-axis thickness of the fifth lens L5 is d9, and the total optical length of the imaging optical lens is TTL, which satisfies the following relationship: 0.02 ⁇ d9/TTL ⁇ 0.15, which is conducive to achieving ultra-thinness.
  • the object side surface of the sixth lens L6 is convex at the paraxial position, and the image side surface is concave at the paraxial position, and has a negative refractive power.
  • the curvature radius R11 of the object side surface of the sixth lens L6 and the curvature radius R12 of the image side surface of the sixth lens L6 satisfy the following relationship: 1.35 ⁇ (R11+R12)/(R11-R12) ⁇ 7.60, the sixth lens L6 is specified
  • the shape is within the range of conditions, with the development of ultra-thin and wide-angle, it is helpful to correct the aberration of the off-axis angle of view.
  • the on-axis thickness of the sixth lens L6 is d11, and the total optical length of the imaging optical lens is TTL, which satisfies the following relationship: 0.02 ⁇ d11/TTL ⁇ 0.17, which is conducive to achieving ultra-thinness.
  • the total optical length TTL of the imaging optical lens 10 is less than or equal to 7.62 millimeters, which is beneficial to achieve ultra-thinness.
  • the total optical length TTL of the imaging optical lens 10 is less than or equal to 7.28 mm.
  • the aperture F number of the imaging optical lens 10 is less than or equal to 3.30. Large aperture, good imaging performance. Preferably, the aperture F number of the imaging optical lens 10 is less than or equal to 3.23.
  • 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 imaging optical lens 10 of the present application will be described below with an example.
  • the symbols described in each example are as follows.
  • the unit of focal length, distance on axis, radius of curvature, thickness on axis, position of inflection point, and position of stagnation point is mm.
  • TTL total optical length (the on-axis distance from the object side of the first lens L1 to the imaging surface), the unit is mm;
  • the object side and/or the image side of the lens can also be provided with inflection points and/or stagnation points to meet high-quality imaging requirements.
  • inflection points and/or stagnation points for specific implementations, refer to the following.
  • Table 1 and Table 2 show design data of the imaging optical lens 10 of the first embodiment of the present application.
  • 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 radius of curvature of the object side surface of the sixth lens L6;
  • R12 the radius of curvature of the image side surface of the sixth lens L6;
  • R13 the radius of curvature of the object side surface of the optical filter GF
  • R14 the radius of curvature of the image side surface of the optical filter GF
  • 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 sixth lens L6;
  • d11 the on-axis thickness of the sixth lens L6;
  • d12 the on-axis distance from the image side surface of the sixth lens L6 to the object side surface of the optical filter GF;
  • nd refractive index of d-line
  • nd1 the refractive index of the d-line of the first lens L1;
  • nd2 the refractive index of the d-line of the second lens L2;
  • nd3 the refractive index of the d-line of the third lens L3;
  • nd4 the refractive index of the d-line of the fourth lens L4;
  • nd5 the refractive index of the d-line of the fifth lens L5;
  • nd6 the refractive index of the d-line of the sixth lens L6;
  • ndg the refractive index of the d-line of the optical filter GF
  • vg Abbe number of optical filter GF.
  • Table 2 shows the aspheric surface data of each lens in the imaging optical lens 10 of the first embodiment of the present application.
  • k is the conic coefficient
  • A4, A6, A8, A10, A12, A14, and A16 are the aspheric coefficients.
  • the aspheric surface of each lens surface uses the aspheric surface shown in the above formula (1).
  • this application is not limited to the aspheric polynomial form represented by the formula (1).
  • 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 first embodiment of the present application.
  • P1R1 and P1R2 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, P4R2 represent the object side and image side of the fourth lens L4
  • P5R1, P5R2 represent the object side and the image side of the fifth lens L5
  • P6R1, P6R2 represent the object side and the image side of the sixth lens L6, 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. 2 and 3 respectively show schematic diagrams of axial aberration and chromatic aberration of magnification after light having wavelengths of 656 nm, 588 nm, and 486 nm pass through the imaging optical lens 10 of the first embodiment.
  • Fig. 4 shows a schematic diagram of field curvature and distortion of light with a wavelength of 588 nm after passing through the imaging optical lens 10 of the first embodiment.
  • the field curvature S in Fig. 4 is the field curvature in the sagittal direction, and T is the field curvature in the meridian direction. song.
  • Table 13 shows the values corresponding to the various numerical values in each of Examples 1, 2, and 3 and the parameters that have been specified in the conditional expressions.
  • the first embodiment satisfies various conditional expressions.
  • the entrance pupil diameter of the imaging optical lens is 0.843mm
  • the full field of view image height is 2.62mm
  • the maximum field of view is 101.00°
  • wide-angle, ultra-thin, and its on-axis and off-axis chromatic aberrations Fully corrected, and has excellent optical characteristics.
  • the second embodiment is basically the same as the first embodiment, and the meaning of the symbols is the same as that of the first embodiment, and only the differences are listed below.
  • Table 5 and Table 6 show design data of the imaging optical lens 20 according to the second embodiment of the present application.
  • Table 6 shows the aspheric surface data of each lens in the imaging optical lens 20 of the second embodiment of the present application.
  • 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 of the second embodiment of the present application.
  • FIG. 6 and 7 respectively show schematic diagrams of axial aberration and chromatic aberration of magnification after light with wavelengths of 656 nm, 588 nm, and 486 nm passes through the imaging optical lens 20 of the second embodiment.
  • FIG. 8 shows a schematic diagram of field curvature and distortion after light with a wavelength of 588 nm passes through the imaging optical lens 20 of the second embodiment.
  • the second embodiment satisfies various conditional expressions.
  • the entrance pupil diameter of the imaging optical lens is 0.731mm
  • the full field of view image height is 2.62mm
  • the maximum field of view is 116.01°
  • wide-angle, ultra-thin, and its on-axis and off-axis chromatic aberrations Fully corrected, and has excellent optical characteristics.
  • the third embodiment is basically the same as the first embodiment, and the meaning of the symbols is the same as that of the first embodiment, and only the differences are listed below.
  • Table 9 and Table 10 show the design data of the imaging optical lens 30 of the third embodiment of the present application.
  • Table 10 shows the aspheric surface data of each lens in the imaging optical lens 30 of the third embodiment of the present application.
  • 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 of the third embodiment of the present application.
  • FIG. 10 and 11 respectively show schematic diagrams of axial aberration and chromatic aberration of magnification after light with wavelengths of 656 nm, 588 nm, and 486 nm passes through the imaging optical lens 30 of the third embodiment.
  • FIG. 12 shows a schematic diagram of field curvature and distortion of light with a wavelength of 588 nm after passing through the imaging optical lens 30 of the third embodiment.
  • the entrance pupil diameter of the imaging optical lens is 0.487mm
  • the full field of view image height is 2.62mm
  • the maximum field of view is 134.80°
  • wide-angle, ultra-thin, and its on-axis and off-axis chromatic aberrations Fully corrected, and has excellent optical characteristics.
  • Example 1 Example 2
  • Example 3 f 2.699 2.046 1.363 f1 -4.283 -3.900 -2.786 f2 11.588 9.269 9.790 f3 1.916 1.834 1.689 f4 -3.847 -2.804 -3.546 f5 48.409 7.214 2.573 f6 -12.953 -7.157 -2.794 f12 -8.475 -11.229 -6.456
  • f12 is the combined focal length of the first lens L1 and the second lens L2, and FNO is the aperture F number of the imaging optical lens.

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Abstract

L'invention concerne une lentille optique de caméra (10, 20, 30), la lentille optique de caméra (10, 20, 30) comprenant successivement, d'un côté objet vers 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 positive, une quatrième lentille (L4) ayant une réfringence négative, une cinquième lentille (L5) ayant une réfringence positive, et une sixième lentille (L6) ayant une réfringence négative, les relations suivantes étant satisfaites : 100,00° ≤ FOV ≤ 135,00° ; -5,00 ≤ f6/f ≤ -2,00 ; -30,00 ≤ R1/R2 ≤ -10,00 ; et 1,00 ≤ d2/d8 ≤ 10,00. La lentille optique de caméra (10, 20, 30) peut présenter une performance d'imagerie élevée tout en présentant un TTL faible.
PCT/CN2019/129172 2019-12-27 2019-12-27 Lentille optique de caméra WO2021128279A1 (fr)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107065135A (zh) * 2017-03-23 2017-08-18 惠州市星聚宇光学有限公司 一种小型化的高清镜头组和成像系统
US9759891B2 (en) * 2015-12-01 2017-09-12 Calin Technology Co., Ltd. Wide angle lens
US20170276909A1 (en) * 2016-03-22 2017-09-28 Ace Solutech Co., Ltd. Lens optical system and imaging device
CN208076812U (zh) * 2017-12-11 2018-11-09 浙江舜宇光学有限公司 成像镜头
CN109116512A (zh) * 2017-06-26 2019-01-01 新巨科技股份有限公司 六片式广角镜片组
CN109946817A (zh) * 2019-04-24 2019-06-28 威海世高光电子有限公司 一种超广角高像素手机内置镜头
CN110554484A (zh) * 2019-10-15 2019-12-10 浙江舜宇光学有限公司 光学成像系统

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9759891B2 (en) * 2015-12-01 2017-09-12 Calin Technology Co., Ltd. Wide angle lens
US20170276909A1 (en) * 2016-03-22 2017-09-28 Ace Solutech Co., Ltd. Lens optical system and imaging device
CN107065135A (zh) * 2017-03-23 2017-08-18 惠州市星聚宇光学有限公司 一种小型化的高清镜头组和成像系统
CN109116512A (zh) * 2017-06-26 2019-01-01 新巨科技股份有限公司 六片式广角镜片组
CN208076812U (zh) * 2017-12-11 2018-11-09 浙江舜宇光学有限公司 成像镜头
CN109946817A (zh) * 2019-04-24 2019-06-28 威海世高光电子有限公司 一种超广角高像素手机内置镜头
CN110554484A (zh) * 2019-10-15 2019-12-10 浙江舜宇光学有限公司 光学成像系统

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