WO2021203425A1 - 光学系统、镜头模组及终端设备 - Google Patents

光学系统、镜头模组及终端设备 Download PDF

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Publication number
WO2021203425A1
WO2021203425A1 PCT/CN2020/084253 CN2020084253W WO2021203425A1 WO 2021203425 A1 WO2021203425 A1 WO 2021203425A1 CN 2020084253 W CN2020084253 W CN 2020084253W WO 2021203425 A1 WO2021203425 A1 WO 2021203425A1
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WIPO (PCT)
Prior art keywords
lens
optical system
optical axis
object side
refractive power
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PCT/CN2020/084253
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English (en)
French (fr)
Inventor
谢晗
刘彬彬
李明
邹海荣
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江西晶超光学有限公司
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Application filed by 江西晶超光学有限公司 filed Critical 江西晶超光学有限公司
Priority to PCT/CN2020/084253 priority Critical patent/WO2021203425A1/zh
Priority to EP20926375.5A priority patent/EP3933476A4/en
Priority to US17/471,905 priority patent/US20220003964A1/en
Publication of WO2021203425A1 publication Critical patent/WO2021203425A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/64—Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having more than six components
    • 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

  • This application belongs to the field of optical imaging technology, and in particular relates to an optical system, a lens module and a terminal device.
  • the embodiments of the present application provide an optical system, a lens module, and a terminal device.
  • the optical system solves the problems of miniaturization and high imaging quality of a wide-angle lens, so as to improve the user experience.
  • an embodiment of the present application provides an optical system, which includes a first lens in sequence from the object side to the image side, with positive refractive power, and the object side surface of the first lens is convex at the optical axis; the second lens , Has refractive power, the object side surface of the second lens is convex at the optical axis; the third lens has refractive power, and the image side surface of the third lens is convex at the optical axis; the fourth lens has refractive power The fifth lens has positive refractive power, and the image side surface of the fifth lens is convex at the optical axis; the sixth lens has refractive power; the seventh lens has refractive power, and the object side of the seventh lens is at The optical axis is a convex surface, the image side surface of the seventh lens is concave at the optical axis, and the object side surface and/or the image side surface of the seventh lens are provided with inflection points.
  • the refractive power is the refractive power, which characterizes the ability of the optical system to deflect light.
  • the second lens, the third lens, the fourth lens, the sixth lens and the seventh lens have refractive power, which means that the second lens and the third lens have refractive power.
  • the fourth lens, the sixth lens, and the seventh lens can have positive refractive power or negative refractive power.
  • Positive refractive power means that the lens converges the light beam
  • negative refractive power means that the lens diverges the light beam.
  • the refractive power of the seven lenses in a preferred embodiment may be that the first lens has positive refractive power, the second lens has positive refractive power, the third lens has negative refractive power, and the fourth lens has negative refractive power.
  • the fifth lens has positive refractive power
  • the sixth lens has negative refractive power
  • the seventh lens has negative refractive power.
  • the refractive powers of the seven lenses can also be other preferred combinations.
  • the lens does not have refractive power, that is, when the optical power is zero, it is plane refraction. At this time, after being refracted, the beam parallel to the axis is still the beam parallel to the axis without refraction.
  • the optical system satisfies the following conditional formula: tan ⁇ /f>0.21mm -1 , Y2/Y1+Y3/Y1+Y4/Y1 ⁇ 3.1, where tan ⁇ is the tangent value of half of the maximum field of view of the optical system, f is the effective focal length of the optical system, Y1 is the maximum optical effective radius of the object side of the first lens, Y2 is the maximum optical effective radius of the object side of the second lens, and Y3 is the third lens The maximum optical effective radius of the object side surface, Y4 is the maximum optical effective radius of the object side surface of the fourth lens.
  • This application rationally configures the refractive power of the first lens to the seventh lens and the surface shapes of the first lens, the second lens, the third lens, the fifth lens and the seventh lens in the optical system, while setting tan ⁇ /f>0.21, Y2/Y1+Y3/Y1+Y4/Y1 ⁇ 3.1, which makes the optical system have the characteristics of wide-angle and miniaturization, and the setting of the inflection point can suppress the excessive increase of incident light in the off-axis field of view, and can effectively correct aberrations, Controlling distortion is conducive to improving image quality.
  • the optical system can have a smaller front port diameter to meet the small head shape, that is, to meet the needs of miniaturization of the optical system. If Y2/Y1+Y3/Y1+Y4/Y1 ⁇ 3.1, any one of the first lens, second lens, third lens, and fourth lens has a larger aperture, which will cause the front end of the entire optical system to become larger. Conducive to the miniaturization of the optical system.
  • the optical system By rationally configuring the range of tan ⁇ /f, the optical system has wide-angle characteristics. If tan ⁇ /f ⁇ 0.21, the field of view becomes smaller and the imaged image becomes smaller while maintaining the same focal length.
  • the optical system satisfies the conditional formula: 1 ⁇ f1/f ⁇ 1.6, where f is the effective focal length of the optical system, and f1 is the focal length of the first lens.
  • f1/f ratio range can correct the field curvature of the system, ensure good imaging quality, and reasonably shorten the effective focal length of the optical system, which is beneficial to shorten the total length of the system and make the optical system have the characteristics of miniaturization.
  • f12/f34>-0.54 where f12 is the combined focal length of the first lens and the second lens, and f34 is the combined focal length of the third lens and the fourth lens.
  • the combined lens formed by the first lens and the second lens provides positive refractive power (ie refractive power), and the combined lens formed by the third lens and the fourth lens provides negative refractive power, which is beneficial for correcting the first lens and the second lens.
  • the spherical aberration produced by the lens, when f12/f34>-0.54 can make the optical system have good imaging quality, when f12/f34 ⁇ -0.54, the combined focal length of the first lens and the second lens becomes larger, and the optical power is positive It is not conducive to the improvement of image quality.
  • the optical system satisfies the conditional formula: 1.66 ⁇ n4 ⁇ 1.69, where n4 is the refractive index of the fourth lens.
  • the fourth lens has a higher refractive index, can improve the modulation transfer function of the system, make the system have excellent performance, and can correct chromatic aberration to ensure imaging quality.
  • the optical system satisfies the conditional formula: 0.5 ⁇ f/f5 ⁇ 1.4, where f is the effective focal length of the optical system, and f5 is the focal length of the fifth lens.
  • the first lens provides most of the positive refractive power imaging, and the fifth lens compensates the first lens to jointly provide positive refractive power to improve imaging quality.
  • the optical system satisfies the conditional formula: 3.7 ⁇ f/CT5 ⁇ 5.1, where f is the effective focal length of the optical system, and CT5 is the thickness of the fifth lens on the optical axis.
  • the fifth lens has a positive refractive power, and a reasonable configuration of the thickness of the fifth lens on the optical axis can effectively shorten the total length of the optical system, which is beneficial to the miniaturization of the optical system.
  • the optical system satisfies the conditional formula: TTL/EPD ⁇ 2.8, where TTL is the distance from the object side of the first lens to the imaging surface of the optical system on the optical axis, and EPD is the The diameter of the entrance pupil of the optical system.
  • TTL is the distance from the object side of the first lens to the imaging surface of the optical system on the optical axis
  • EPD is the The diameter of the entrance pupil of the optical system.
  • the optical system of the seven-element lens is generally configured with a larger entrance pupil diameter to increase the amount of light, and a reasonable configuration of the TTL/EPD ratio can effectively compress the total length of the system and meet the characteristics of miniaturization.
  • the optical system satisfies the conditional formula: FNO/ImgH ⁇ 0.55mm -1 , where FNO is the aperture number of the optical system, and ImgH is the diagonal of the effective pixel area on the imaging surface of the optical system Half the length of the line.
  • FNO is the aperture number of the optical system
  • ImgH is the diagonal of the effective pixel area on the imaging surface of the optical system Half the length of the line.
  • the present application provides a lens module including a photosensitive element and the optical system described in any one of the foregoing embodiments, and the photosensitive element is located on the image side of the optical system.
  • the present application provides a terminal device including the aforementioned lens module.
  • the refractive power of the first lens By rationally configuring the refractive power of the first lens to the seventh lens and the surface shapes of the first lens, the second lens, the third lens, the fifth lens and the seventh lens in the optical system, set tan ⁇ /f>0.21, Y2/ Y1+Y3/Y1+Y4/Y1 ⁇ 3.1, which makes the optical system have the characteristics of wide-angle and miniaturization.
  • the setting of the inflection point can suppress the excessive increase of the incident light in the off-axis field of view, and can effectively correct aberrations and control distortion , Is conducive to improving the image quality.
  • Fig. 1 is a schematic diagram of the optical system provided by the present application applied to a terminal device
  • FIG. 2 is a schematic diagram of the structure of the optical system provided by the first embodiment of the present application.
  • 3 is a longitudinal spherical aberration curve, astigmatism curve and distortion curve of the optical system of the first embodiment
  • FIG. 4 is a schematic structural diagram of an optical system provided by a second embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of an optical system provided by a third embodiment of the present application.
  • FIG. 8 is a schematic structural diagram of an optical system provided by a fourth embodiment of the present application.
  • FIG. 10 is a schematic structural diagram of an optical system provided by a fifth embodiment of the present application.
  • FIG. 12 is a schematic structural diagram of an optical system provided by a sixth embodiment of the present application.
  • FIG. 14 is a schematic structural diagram of an optical system provided by a seventh embodiment of the present application.
  • FIG. 16 is a schematic structural diagram of an optical system provided by an eighth embodiment of the present application.
  • FIG. 17 shows the longitudinal spherical aberration curve, astigmatism curve, and distortion curve of the optical system of the eighth embodiment.
  • the optical system involved in the present application is applied to the lens module 20 in the terminal device 30.
  • the terminal device 30 may be a mobile phone, a tablet computer, a drone, a computer, and other devices.
  • the photosensitive element of the lens module 20 is located on the image side of the optical system, and the lens module 20 is assembled inside the terminal device 30.
  • the present application provides a lens module, including a photosensitive element and the optical system provided in the embodiments of the present application.
  • the photosensitive element is located on the image side of the optical system and is used to pass through the first lens to the seventh lens and be incident on the electronic photosensitive element. The light is converted into an electrical signal of the image.
  • the electronic photosensitive element may be a complementary metal oxide semiconductor (Complementary Metal Oxide Semiconductor, CMOS) or a charge-coupled device (Charge-coupled Device, CCD).
  • CMOS Complementary Metal Oxide Semiconductor
  • CCD Charge-coupled Device
  • the application also provides a terminal device, which includes the lens module provided in the embodiment of the application.
  • the terminal device can be a mobile phone, a tablet computer, a drone, a computer, etc.
  • the terminal device has the characteristics of wide-angle, miniaturization, and good imaging quality.
  • An optical system provided by the present application includes seven lenses.
  • the seven lenses are sequentially distributed from the object side to the image side, respectively, the first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens. And the seventh lens.
  • the surface shape and refractive power of the seven lenses are as follows:
  • the first lens has positive refractive power, and the object side surface of the first lens is convex at the optical axis; the second lens has refractive power, and the object side surface of the second lens is convex at the optical axis; the third lens , Has refractive power, the image side surface of the third lens is convex at the optical axis; the fourth lens has refractive power; the fifth lens has positive refractive power, the image side of the fifth lens is at the optical axis The sixth lens has refractive power; the seventh lens has refractive power, the object side of the seventh lens is convex at the optical axis, the image side of the seventh lens is concave at the optical axis, the The object side and/or the image side of the seventh lens are provided with inflection points.
  • the optical system satisfies the following conditional formulas: tan ⁇ /f>0.21, Y2/Y1+Y3/Y1+Y4/Y1 ⁇ 3.1, where tan ⁇ is the tangent value of half of the maximum angle of view of the optical system, and f is The effective focal length of the optical system, Y1 is the maximum optical effective radius of the object side of the first lens, Y2 is the maximum optical effective radius of the object side of the second lens, and Y3 is the object side of the third lens The maximum optical effective radius, Y4 is the maximum optical effective radius of the object side surface of the fourth lens.
  • the optical system can have a smaller front port diameter to meet the small head shape, that is, to meet the needs of miniaturization of the optical system. If Y2/Y1+Y3/Y1+Y4/Y1 ⁇ 3.1, any one of the first lens, second lens, third lens, and fourth lens has a larger aperture, which will cause the front end of the entire optical system to become larger. Conducive to the miniaturization of the optical system.
  • the optical system By rationally configuring the range of tan ⁇ /f, the optical system has wide-angle characteristics. If tan ⁇ /f ⁇ 0.21, the field of view becomes smaller and the imaged image becomes smaller while maintaining the same focal length.
  • the optical system satisfies the conditional formula: 1 ⁇ f1/f ⁇ 1.6, where f is the effective focal length of the optical system, and f1 is the focal length of the first lens.
  • f1/f ratio range can correct the field curvature of the system, ensure good imaging quality, and reasonably shorten the effective focal length of the optical system, which is beneficial to shorten the total length of the system and make the optical system have the characteristics of miniaturization.
  • f12/f34>-0.54 where f12 is the combined focal length of the first lens and the second lens, and f34 is the combined focal length of the third lens and the fourth lens.
  • the combined lens formed by the first lens and the second lens provides positive refractive power (ie refractive power), and the combined lens formed by the third lens and the fourth lens provides negative refractive power, which is beneficial for correcting the first lens and the second lens.
  • the spherical aberration produced by the lens, when f12/f34>-0.54 can make the optical system have good imaging quality, when f12/f34 ⁇ -0.54, the combined focal length of the first lens and the second lens becomes larger, and the optical power is positive It is not conducive to the improvement of image quality.
  • the optical system satisfies the conditional formula: 1.66 ⁇ n4 ⁇ 1.69, where n4 is the refractive index of the fourth lens.
  • the fourth lens has a higher refractive index, can improve the modulation transfer function of the system, make the system have excellent performance, and can correct chromatic aberration to ensure imaging quality.
  • the optical system satisfies the conditional formula: 0.5 ⁇ f/f5 ⁇ 1.4, where f is the effective focal length of the optical system, and f5 is the focal length of the fifth lens.
  • the first lens provides most of the positive refractive power imaging, and the fifth lens compensates the first lens to jointly provide positive refractive power to improve imaging quality.
  • the optical system satisfies the conditional formula: 3.7 ⁇ f/CT5 ⁇ 5.1, where f is the effective focal length of the optical system, and CT5 is the thickness of the fifth lens on the optical axis.
  • the fifth lens has a positive refractive power, and a reasonable configuration of the thickness of the fifth lens on the optical axis can effectively shorten the total length of the optical system, which is beneficial to the miniaturization of the optical system.
  • the optical system satisfies the conditional formula: TTL/EPD ⁇ 2.8, where TTL is the distance from the object side of the first lens to the imaging surface of the optical system on the optical axis, and EPD is the The diameter of the entrance pupil of the optical system.
  • TTL is the distance from the object side of the first lens to the imaging surface of the optical system on the optical axis
  • EPD is the The diameter of the entrance pupil of the optical system.
  • the optical system of the seven-element lens is generally configured with a larger entrance pupil diameter to increase the amount of light, and a reasonable configuration of the TTL/EPD ratio can effectively compress the total length of the system and meet the characteristics of miniaturization.
  • the optical system satisfies the conditional formula: FNO/ImgH ⁇ 0.55mm -1 , where FNO is the aperture number of the optical system, and ImgH is the diagonal of the effective pixel area on the imaging surface of the optical system Half the length of the line.
  • FNO is the aperture number of the optical system
  • ImgH is the diagonal of the effective pixel area on the imaging surface of the optical system Half the length of the line.
  • the optical system is equipped with an aspheric lens, which is beneficial to correct system aberrations and improve the imaging quality of the system.
  • the aspheric curve equations include but are not limited to the following equations:
  • Z is the distance from the corresponding point on the aspheric surface to the plane tangent to the apex of the surface
  • r is the distance from the corresponding point on the aspheric surface to the optical axis
  • c is the curvature of the aspheric apex
  • k is the conic constant
  • Ai is the aspheric surface formula The coefficient corresponding to the higher-order item of the i-th term.
  • the straight line 11 represents the optical axis
  • the side of the first lens L1 away from the second lens L2 is the object side 12
  • the side of the seventh lens L7 away from the sixth lens L6 is the image side 13.
  • the stop STO from the object side 12 to the image side 13, there are the stop STO, the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, and the Six lens L6, seventh lens L7, infrared filter element IRCF, wherein the object side and/or image side of the seventh lens L7 are provided with inflection points.
  • the first lens L1 has positive refractive power and is made of plastic. Its object side surface S1 is convex at the optical axis and at the circumference, its image side surface S2 is concave at the optical axis, and its image side surface S2 is convex at the circumference. They are all aspherical.
  • the second lens L2 has positive refractive power and is made of plastic material. Its object side surface S3 is concave at the optical axis and at the circumference, and its image side surface S4 is convex at the optical axis and at the circumference, and both are aspherical.
  • the third lens L3 has negative refractive power and is made of plastic material. Its object side surface S5 is concave at the optical axis and at the circumference, and its image side surface S6 is convex at the optical axis and at the circumference, and both are aspherical.
  • the fourth lens L4 has negative refractive power and is made of plastic. Its object side surface S7 is concave at the optical axis and at the circumference, its image side surface S8 is concave at the optical axis, and its image side surface S8 is convex at the circumference. And they are all aspherical.
  • the fifth lens L5 has positive refractive power and is made of plastic material. Its object side surface S9 is concave at the optical axis and at the circumference, and its image side surface S10 is convex at the optical axis and at the circumference, and both are aspherical.
  • the sixth lens L6 has negative refractive power and is made of plastic. Its object side surface S11 is concave at the optical axis and at the circumference, its image side surface S12 is concave at the optical axis, and its image side surface S12 is convex at the circumference. They are all aspherical.
  • the seventh lens L7 has negative refractive power and is made of plastic. Its object side surface S13 is convex at the optical axis and at the circumference, its image side surface S14 is concave at the optical axis, and its image side surface S14 is convex at the circumference. They are all aspherical.
  • the stop STO may be located between the object side of the optical system and the seventh lens.
  • the stop STO in this embodiment is arranged on the side of the first lens L1 away from the second lens L2 for controlling the amount of light entering.
  • the infrared filter element IRCF is arranged behind the seventh lens L7, including the object side S15 and the image side S16.
  • the infrared filter element IRCF is used to filter infrared light so that the light entering the imaging surface is visible light, and the wavelength of visible light is 380nm- 780nm, the material of the infrared filter element IRCF is glass.
  • the imaging surface S17 is the surface on which the image formed by the light of the subject passes through the optical system.
  • Table 1a shows a characteristic table of the optical system of this embodiment.
  • f is the effective focal length of the optical system
  • FNO is the aperture number of the optical system
  • FOV is the angle of view in the diagonal direction of the optical system
  • TTL is the object side of the first lens to the imaging surface of the optical system on the optical axis the distance.
  • Table 1b shows the high-order coefficients A4, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14 that can be used for each aspheric mirror surface in the first embodiment.
  • FIG. 3 shows the longitudinal spherical aberration curve, astigmatism curve, and distortion curve of the optical system of the first embodiment.
  • the longitudinal spherical aberration curve represents the deviation of the focus point of light of different wavelengths after passing through the lenses of the optical system
  • the astigmatism curve represents the meridional curvature of the field and the sagittal curvature of the field
  • the distortion curve represents the magnitude of distortion corresponding to different field angles .
  • the straight line 11 represents the optical axis
  • the side of the first lens L1 away from the second lens L2 is the object side 12
  • the side of the seventh lens L7 away from the sixth lens L6 is the image side 13.
  • the stop STO from the object side 12 to the image side 13, there are the stop STO, the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, and the Six lens L6, seventh lens L7, infrared filter element IRCF, wherein the object side and/or image side of the seventh lens L7 are provided with inflection points.
  • the first lens L1 has positive refractive power and is made of plastic. Its object side surface S1 is convex at the optical axis and at the circumference, its image side surface S2 is concave at the optical axis, and its image side surface S2 is convex at the circumference. They are all aspherical.
  • the second lens L2 has positive refractive power and is made of plastic material. Its object side surface S3 is concave at the optical axis and at the circumference, and its image side surface S4 is convex at the optical axis and at the circumference, and both are aspherical.
  • the third lens L3 has negative refractive power and is made of plastic material. Its object side surface S5 is concave at the optical axis and at the circumference, and its image side surface S6 is convex at the optical axis and at the circumference, and both are aspherical.
  • the fourth lens L4 has negative refractive power and is made of plastic. Its object side surface S7 is concave at the optical axis and at the circumference, its image side surface S8 is concave at the optical axis, and its image side surface S8 is convex at the circumference. And they are all aspherical.
  • the fifth lens L5 has positive refractive power and is made of plastic material. Its object side surface S9 is concave at the optical axis and at the circumference, and its image side surface S10 is convex at the optical axis and at the circumference, and both are aspherical.
  • the sixth lens L6 has negative refractive power and is made of plastic. Its object side surface S11 is concave at the optical axis and at the circumference, its image side surface S12 is concave at the optical axis, and its image side surface S12 is convex at the circumference. They are all aspherical.
  • the seventh lens L7 has negative refractive power and is made of plastic. Its object side surface S13 is convex at the optical axis and at the circumference, its image side surface S14 is concave at the optical axis, and its image side surface S14 is convex at the circumference. They are all aspherical.
  • the stop STO may be located between the object side of the optical system and the seventh lens.
  • the stop STO in this embodiment is arranged on the side of the first lens L1 away from the second lens L2 for controlling the amount of light entering.
  • the infrared filter element IRCF is arranged behind the seventh lens L7, including the object side S15 and the image side S16.
  • the infrared filter element IRCF is used to filter infrared light so that the light entering the imaging surface is visible light, and the wavelength of visible light is 380nm- 780nm, the material of the infrared filter element IRCF is glass.
  • the imaging surface S17 is the surface on which the image formed by the light of the subject passes through the optical system.
  • Table 2a shows a characteristic table of the optical system of this embodiment.
  • f is the effective focal length of the optical system
  • FNO is the aperture number of the optical system
  • FOV is the angle of view in the diagonal direction of the optical system
  • TTL is the object side of the first lens to the imaging surface of the optical system on the optical axis the distance.
  • Table 2b shows the high-order coefficients A4, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14 that can be used for each aspheric mirror surface in the second embodiment.
  • FIG. 5 shows the longitudinal spherical aberration curve, astigmatism curve, and distortion curve of the optical system of the second embodiment.
  • the longitudinal spherical aberration curve represents the deviation of the focus point of light of different wavelengths after passing through the lenses of the optical system
  • the astigmatism curve represents the meridional curvature of the field and the sagittal curvature of the field
  • the distortion curve represents the magnitude of distortion corresponding to different field angles .
  • the straight line 11 represents the optical axis
  • the side of the first lens L1 away from the second lens L2 is the object side 12
  • the side of the seventh lens L7 away from the sixth lens L6 is the image side 13.
  • the stop STO from the object side 12 to the image side 13, there are the stop STO, the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, and the Six lens L6, seventh lens L7, infrared filter element IRCF, wherein the object side and/or image side of the seventh lens L7 are provided with inflection points.
  • the first lens L1 has positive refractive power and is made of plastic. Its object side surface S1 is convex at the optical axis and at the circumference, its image side surface S2 is concave at the optical axis, and its image side surface S2 is convex at the circumference. They are all aspherical.
  • the second lens L2 has a negative refractive power and is made of plastic. Its object side surface S3 is concave at the optical axis and at the circumference, and its image side surface S4 is convex at the optical axis and at the circumference, and both are aspherical.
  • the third lens L3 has positive refractive power and is made of plastic material. Its object side surface S5 is concave at the optical axis and at the circumference, and its image side surface S6 is convex at the optical axis and at the circumference, and both are aspherical.
  • the fourth lens L4 has negative refractive power and is made of plastic. Its object side surface S7 is concave at the optical axis and at the circumference, its image side surface S8 is concave at the optical axis, and its image side surface S8 is convex at the circumference. And they are all aspherical.
  • the fifth lens L5 has positive refractive power and is made of plastic material. Its object side surface S9 is concave at the optical axis and at the circumference, and its image side surface S10 is convex at the optical axis and at the circumference, and both are aspherical.
  • the sixth lens L6 has negative refractive power and is made of plastic. Its object side surface S11 is concave at the optical axis and at the circumference, its image side surface S12 is concave at the optical axis, and its image side surface S12 is convex at the circumference. They are all aspherical.
  • the seventh lens L7 has negative refractive power and is made of plastic. Its object side surface S13 is convex at the optical axis, its object side surface S13 is concave at the circumference, its image side surface S14 is concave at the optical axis, and its image side surface S14 It is convex on the circumference and all aspherical.
  • the stop STO may be located between the object side of the optical system and the seventh lens.
  • the stop STO in this embodiment is arranged on the side of the first lens L1 away from the second lens L2 for controlling the amount of light entering.
  • the infrared filter element IRCF is arranged behind the seventh lens L7, including the object side S15 and the image side S16.
  • the infrared filter element IRCF is used to filter infrared light so that the light entering the imaging surface is visible light, and the wavelength of visible light is 380nm- 780nm, the material of the infrared filter element IRCF is glass.
  • the imaging surface S17 is the surface on which the image formed by the light of the subject passes through the optical system.
  • Table 3a shows a characteristic table of the optical system of this embodiment.
  • f is the effective focal length of the optical system
  • FNO is the aperture number of the optical system
  • FOV is the angle of view in the diagonal direction of the optical system
  • TTL is the object side of the first lens to the imaging surface of the optical system on the optical axis the distance.
  • Table 3b shows the high-order coefficients A4, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14 that can be used for each aspheric mirror surface in the third embodiment.
  • FIG. 7 shows the longitudinal spherical aberration curve, astigmatism curve, and distortion curve of the optical system of the third embodiment.
  • the longitudinal spherical aberration curve represents the deviation of the focus point of light of different wavelengths after passing through the lenses of the optical system
  • the astigmatism curve represents the meridional curvature of the field and the sagittal curvature of the field
  • the distortion curve represents the magnitude of distortion corresponding to different field angles .
  • the straight line 11 represents the optical axis
  • the side of the first lens L1 away from the second lens L2 is the object side 12
  • the side of the seventh lens L7 away from the sixth lens L6 is the image side 13.
  • the stop STO from the object side 12 to the image side 13, there are the stop STO, the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, and the Six lens L6, seventh lens L7, infrared filter element IRCF, wherein the object side and/or image side of the seventh lens L7 are provided with inflection points.
  • the first lens L1 has positive refractive power and is made of plastic. Its object side surface S1 is convex at the optical axis and at the circumference, its image side surface S2 is concave at the optical axis, and its image side surface S2 is convex at the circumference. They are all aspherical.
  • the second lens L2 has positive refractive power and is made of plastic material. Its object side surface S3 is concave at the optical axis and at the circumference, and its image side surface S4 is convex at the optical axis and at the circumference, and both are aspherical.
  • the third lens L3 has negative refractive power and is made of plastic material. Its object side surface S5 is concave at the optical axis and at the circumference, and its image side surface S6 is convex at the optical axis and at the circumference, and both are aspherical.
  • the fourth lens L4 has positive refractive power and is made of plastic material. Its object side surface S7 is concave at the optical axis and at the circumference, and its image side surface S8 is convex at the optical axis and at the circumference, and both are aspherical.
  • the fifth lens L5 has positive refractive power and is made of plastic material. Its object side surface S9 is concave at the optical axis and at the circumference, and its image side surface S10 is convex at the optical axis and at the circumference, and both are aspherical.
  • the sixth lens L6 has negative refractive power and is made of plastic. Its object side surface S11 is concave at the optical axis and at the circumference, its image side surface S12 is concave at the optical axis, and its image side surface S12 is convex at the circumference. They are all aspherical.
  • the seventh lens L7 has negative refractive power and is made of plastic. Its object side surface S13 is convex at the optical axis, its object side surface S13 is concave at the circumference, its image side surface S14 is concave at the optical axis, and its image side surface S14 It is convex on the circumference and all aspherical.
  • the stop STO may be located between the object side of the optical system and the seventh lens.
  • the stop STO in this embodiment is arranged on the side of the first lens L1 away from the second lens L2 for controlling the amount of light entering.
  • the infrared filter element IRCF is arranged behind the seventh lens L7, including the object side S15 and the image side S16.
  • the infrared filter element IRCF is used to filter infrared light so that the light entering the imaging surface is visible light, and the wavelength of visible light is 380nm- 780nm, the material of the infrared filter element IRCF is glass.
  • the imaging surface S17 is the surface on which the image formed by the light of the subject passes through the optical system.
  • Table 4a shows a characteristic table of the optical system of this embodiment.
  • f is the effective focal length of the optical system
  • FNO is the aperture number of the optical system
  • FOV is the angle of view in the diagonal direction of the optical system
  • TTL is the object side of the first lens to the imaging surface of the optical system on the optical axis the distance.
  • Table 4b shows the high-order coefficients A4, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14 that can be used for each aspheric mirror surface in the fourth embodiment.
  • FIG. 9 shows the longitudinal spherical aberration curve, astigmatism curve, and distortion curve of the optical system of the fourth embodiment.
  • the longitudinal spherical aberration curve represents the deviation of the focus point of light of different wavelengths after passing through the lenses of the optical system
  • the astigmatism curve represents the meridional curvature of the field and the sagittal curvature of the field
  • the distortion curve represents the magnitude of distortion corresponding to different field angles .
  • the straight line 11 represents the optical axis
  • the side of the first lens L1 away from the second lens L2 is the object side 12
  • the side of the seventh lens L7 away from the sixth lens L6 is the image side 13.
  • the stop STO from the object side 12 to the image side 13, there are the stop STO, the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, and the Six lens L6, seventh lens L7, infrared filter element IRCF, wherein the object side and/or image side of the seventh lens L7 are provided with inflection points.
  • the first lens L1 has positive refractive power and is made of plastic. Its object side surface S1 is convex at the optical axis and at the circumference, its image side surface S2 is concave at the optical axis, and its image side surface S2 is convex at the circumference. They are all aspherical.
  • the second lens L2 has positive refractive power and is made of plastic material. Its object side surface S3 is concave at the optical axis and at the circumference, and its image side surface S4 is convex at the optical axis and at the circumference, and both are aspherical.
  • the third lens L3 has negative refractive power and is made of plastic material. Its object side surface S5 is concave at the optical axis and at the circumference, and its image side surface S6 is convex at the optical axis and at the circumference, and both are aspherical.
  • the fourth lens L4 has negative refractive power and is made of plastic. Its object side surface S7 is concave at the optical axis and at the circumference, and its image side surface S8 is convex at the optical axis and at the circumference, and both are aspherical.
  • the fifth lens L5 has positive refractive power and is made of plastic material. Its object side surface S9 is concave at the optical axis and at the circumference, and its image side surface S10 is convex at the optical axis and at the circumference, and both are aspherical.
  • the sixth lens L6 has a positive refractive power and is made of plastic. Its object side surface S11 is convex at the optical axis, its object side surface S11 is concave at the circumference, its image side surface S12 is concave at the optical axis, and its image side surface S12 It is convex on the circumference and all aspherical.
  • the seventh lens L7 has negative refractive power and is made of plastic. Its object side surface S13 is convex at the optical axis, its object side surface S13 is concave at the circumference, its image side surface S14 is concave at the optical axis, and its image side surface S14 It is convex on the circumference and all aspherical.
  • the stop STO may be located between the object side of the optical system and the seventh lens.
  • the stop STO in this embodiment is arranged on the side of the first lens L1 away from the second lens L2 for controlling the amount of light entering.
  • the infrared filter element IRCF is arranged behind the seventh lens L7, including the object side S15 and the image side S16.
  • the infrared filter element IRCF is used to filter infrared light so that the light entering the imaging surface is visible light, and the wavelength of visible light is 380nm- 780nm, the material of the infrared filter element IRCF is glass.
  • the imaging surface S17 is the surface where the image formed by the light of the subject passes through the optical system.
  • Table 5a shows a characteristic table of the optical system of this embodiment.
  • f is the effective focal length of the optical system
  • FNO is the aperture number of the optical system
  • FOV is the angle of view in the diagonal direction of the optical system
  • TTL is the object side of the first lens to the imaging surface of the optical system on the optical axis the distance.
  • Table 5b shows the high-order coefficients A4, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14 that can be used for each aspheric mirror surface in the fifth embodiment.
  • FIG. 11 shows the longitudinal spherical aberration curve, astigmatism curve, and distortion curve of the optical system of the fifth embodiment.
  • the longitudinal spherical aberration curve represents the deviation of the focus point of light of different wavelengths after passing through the lenses of the optical system
  • the astigmatism curve represents the meridional curvature of the field and the sagittal curvature of the field
  • the distortion curve represents the magnitude of distortion corresponding to different field angles .
  • the straight line 11 represents the optical axis
  • the side of the first lens L1 away from the second lens L2 is the object side 12
  • the side of the seventh lens L7 away from the sixth lens L6 is the image side 13.
  • the stop STO from the object side 12 to the image side 13, there are the stop STO, the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, and the Six lens L6, seventh lens L7, infrared filter element IRCF, wherein the object side and/or image side of the seventh lens L7 are provided with inflection points.
  • the first lens L1 has positive refractive power and is made of plastic. Its object side surface S1 is convex at the optical axis and at the circumference, its image side surface S2 is concave at the optical axis, and its image side surface S2 is convex at the circumference. They are all aspherical.
  • the second lens L2 has positive refractive power and is made of plastic material. Its object side surface S3 is concave at the optical axis and at the circumference, and its image side surface S4 is convex at the optical axis and at the circumference, and both are aspherical.
  • the third lens L3 has negative refractive power and is made of plastic material. Its object side surface S5 is concave at the optical axis and at the circumference, and its image side surface S6 is convex at the optical axis and at the circumference, and both are aspherical.
  • the fourth lens L4 has negative refractive power and is made of plastic. Its object side surface S7 is concave at the optical axis and at the circumference, its image side surface S8 is concave at the optical axis, and its image side surface S8 is convex at the circumference. And they are all aspherical.
  • the fifth lens L5 has positive refractive power and is made of plastic material. Its object side surface S9 is concave at the optical axis and at the circumference, and its image side surface S10 is convex at the optical axis and at the circumference, and both are aspherical.
  • the sixth lens L6 has negative refractive power and is made of plastic. Its object side surface S11 is concave at the optical axis and at the circumference, its image side surface S12 is concave at the optical axis, and its image side surface S12 is convex at the circumference. They are all aspherical.
  • the seventh lens L7 has positive refractive power and is made of plastic material. Its object side surface S13 is convex at the optical axis and the circumference, its image side surface S14 is concave at the optical axis, and its image side surface S14 is convex at the circumference. They are all aspherical.
  • the stop STO may be located between the object side of the optical system and the seventh lens.
  • the stop STO in this embodiment is arranged on the side of the first lens L1 away from the second lens L2 for controlling the amount of light entering.
  • the infrared filter element IRCF is arranged behind the seventh lens L7, including the object side S15 and the image side S16.
  • the infrared filter element IRCF is used to filter infrared light so that the light entering the imaging surface is visible light, and the wavelength of visible light is 380nm- 780nm, the material of the infrared filter element IRCF is glass.
  • the imaging surface S17 is the surface on which the image formed by the light of the subject passes through the optical system.
  • Table 6a shows a characteristic table of the optical system of this embodiment.
  • f is the effective focal length of the optical system
  • FNO is the aperture number of the optical system
  • FOV is the angle of view in the diagonal direction of the optical system
  • TTL is the object side of the first lens to the imaging surface of the optical system on the optical axis the distance.
  • Table 6b shows the high-order coefficients A4, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14 that can be used for each aspheric mirror surface in the sixth embodiment.
  • FIG. 13 shows the longitudinal spherical aberration curve, astigmatism curve, and distortion curve of the optical system of the sixth embodiment.
  • the longitudinal spherical aberration curve represents the deviation of the focus point of light of different wavelengths after passing through the lenses of the optical system
  • the astigmatism curve represents the meridional curvature of the field and the sagittal curvature of the field
  • the distortion curve represents the magnitude of distortion corresponding to different field angles .
  • the straight line 11 represents the optical axis
  • the side of the first lens L1 away from the second lens L2 is the object side 12
  • the side of the seventh lens L7 away from the sixth lens L6 is the image side 13.
  • the stop STO from the object side 12 to the image side 13, there are the stop STO, the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, and the Six lens L6, seventh lens L7, infrared filter element IRCF, wherein the object side and/or image side of the seventh lens L7 are provided with inflection points.
  • the first lens L1 has positive refractive power and is made of plastic. Its object side surface S1 is convex at the optical axis and at the circumference, its image side surface S2 is concave at the optical axis, and its image side surface S2 is convex at the circumference. They are all aspherical.
  • the second lens L2 has positive refractive power and is made of plastic material. Its object side surface S3 is concave at the optical axis and at the circumference, and its image side surface S4 is convex at the optical axis and at the circumference, and both are aspherical.
  • the third lens L3 has negative refractive power and is made of plastic material. Its object side surface S5 is concave at the optical axis and at the circumference, and its image side surface S6 is convex at the optical axis and at the circumference, and both are aspherical.
  • the fourth lens L4 has negative refractive power and is made of plastic. Its object side surface S7 is concave at the optical axis and at the circumference, and its image side surface S8 is convex at the optical axis and at the circumference, and both are aspherical.
  • the fifth lens L5 has positive refractive power and is made of plastic material. Its object side surface S9 is concave at the optical axis and at the circumference, and its image side surface S10 is convex at the optical axis and at the circumference, and both are aspherical.
  • the sixth lens L6 has negative refractive power and is made of plastic. Its object side surface S11 is concave at the optical axis and at the circumference, its image side surface S12 is concave at the optical axis, and its image side surface S12 is convex at the circumference. They are all aspherical.
  • the seventh lens L7 has positive refractive power and is made of plastic material. Its object side surface S13 is convex at the optical axis, its object side surface S13 is concave at the circumference, its image side surface S14 is concave at the optical axis, and its image side surface S14 It is convex on the circumference and all aspherical.
  • the stop STO may be located between the object side of the optical system and the seventh lens.
  • the stop STO in this embodiment is arranged on the side of the first lens L1 away from the second lens L2 for controlling the amount of light entering.
  • the infrared filter element IRCF is arranged behind the seventh lens L7, including the object side S15 and the image side S16.
  • the infrared filter element IRCF is used to filter infrared light so that the light entering the imaging surface is visible light, and the wavelength of visible light is 380nm- 780nm, the material of the infrared filter element IRCF is glass.
  • the imaging surface S17 is the surface on which the image formed by the light of the subject passes through the optical system.
  • Table 7a shows a characteristic table of the optical system of this embodiment.
  • f is the effective focal length of the optical system
  • FNO is the aperture number of the optical system
  • FOV is the angle of view in the diagonal direction of the optical system
  • TTL is the object side of the first lens to the imaging surface of the optical system on the optical axis the distance.
  • Table 7b shows the high-order coefficients A4, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14 that can be used for each aspheric mirror surface in the seventh embodiment.
  • FIG. 15 shows the longitudinal spherical aberration curve, astigmatism curve, and distortion curve of the optical system of the seventh embodiment.
  • the longitudinal spherical aberration curve represents the deviation of the focus point of light of different wavelengths after passing through the lenses of the optical system
  • the astigmatism curve represents the meridional curvature of the field and the sagittal curvature of the field
  • the distortion curve represents the magnitude of distortion corresponding to different field angles . It can be seen from FIG. 15 that the optical system provided in the seventh embodiment can achieve good imaging quality.
  • the straight line 11 represents the optical axis
  • the side of the first lens L1 away from the second lens L2 is the object side 12
  • the side of the seventh lens L7 away from the sixth lens L6 is the image side 13.
  • the stop STO from the object side 12 to the image side 13, there are the stop STO, the first lens L1, the second lens L2, the third lens L3, the fourth lens L4, the fifth lens L5, and the Six lens L6, seventh lens L7, infrared filter element IRCF, wherein the object side and/or image side of the seventh lens L7 are provided with inflection points.
  • the first lens L1 has a positive refractive power and is made of plastic. Its object side surface S1 is convex at the optical axis and at the circumference, and its image side surface S2 is concave at the optical axis and at the circumference, and both are aspherical.
  • the second lens L2 has positive refractive power and is made of plastic material. Its object side surface S3 is convex at the optical axis and at the circumference, and its image side surface S4 is convex at the optical axis and at the circumference, and both are aspherical.
  • the third lens L3 has negative refractive power and is made of plastic material. Its object side surface S5 is concave at the optical axis and at the circumference, and its image side surface S6 is convex at the optical axis and at the circumference, and both are aspherical.
  • the fourth lens L4 has negative refractive power and is made of plastic. Its object side surface S7 is convex at the optical axis, its object side surface S7 is concave at the circumference, and its image side surface S8 is concave at the optical axis and at the circumference. And they are all aspherical.
  • the fifth lens L5 has positive refractive power and is made of plastic material. Its object side surface S9 is concave at the optical axis and at the circumference, and its image side surface S10 is convex at the optical axis and at the circumference, and both are aspherical.
  • the sixth lens L6 has negative refractive power and is made of plastic. Its object side surface S11 is concave at the optical axis and at the circumference, its image side surface S12 is concave at the optical axis, and its image side surface S12 is convex at the circumference. They are all aspherical.
  • the seventh lens L7 has negative refractive power and is made of plastic. Its object side surface S13 is convex at the optical axis, its object side surface S13 is concave at the circumference, its image side surface S14 is concave at the optical axis, and its image side surface S14 It is convex on the circumference and all aspherical.
  • the stop STO may be located between the object side of the optical system and the seventh lens.
  • the stop STO in this embodiment is arranged on the side of the first lens L1 away from the second lens L2 for controlling the amount of light entering.
  • the infrared filter element IRCF is arranged behind the seventh lens L7, including the object side S15 and the image side S16.
  • the infrared filter element IRCF is used to filter infrared light so that the light entering the imaging surface is visible light, and the wavelength of visible light is 380nm- 780nm, the material of the infrared filter element IRCF is glass.
  • the imaging surface S17 is the surface on which the image formed by the light of the subject passes through the optical system.
  • Table 8a shows a characteristic table of the optical system of this embodiment.
  • f is the effective focal length of the optical system
  • FNO is the aperture number of the optical system
  • FOV is the angle of view in the diagonal direction of the optical system
  • TTL is the object side of the first lens to the imaging surface of the optical system on the optical axis the distance.
  • Table 8b shows the high-order coefficients A4, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S13, S14 that can be used for each aspheric mirror surface in the eighth embodiment.
  • FIG. 17 shows the longitudinal spherical aberration curve, astigmatism curve, and distortion curve of the optical system of the eighth embodiment.
  • the longitudinal spherical aberration curve represents the deviation of the focus point of light of different wavelengths after passing through the lenses of the optical system
  • the astigmatism curve represents the meridional curvature of the field and the sagittal curvature of the field
  • the distortion curve represents the magnitude of distortion corresponding to different field angles .
  • Table 9 shows the tan ⁇ /f, f/f5, f1/f, TTL/EPD, f12/f34, n4, FNO/ImgH, f/CT5, Y2/Y1+ of the optical system of the first embodiment to the eighth embodiment.
  • each embodiment can satisfy: tan ⁇ /f>0.21mm -1 , 0.5 ⁇ f/f5 ⁇ 1.4, 1 ⁇ f1/f ⁇ 1.6, TTL/EPD ⁇ 2.8, f12/f34>-0.54, 1.66 ⁇ n4 ⁇ 1.69, FNO/ImgH ⁇ 0.55mm -1 , 3.7 ⁇ f/CT5 ⁇ 5.1, Y2/Y1+Y3/Y1+Y4/Y1 ⁇ 3.1.

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Abstract

一种光学系统、镜头模组（20）及终端设备（30）。光学系统包括具有正屈折力的第一透镜（L1）和第五透镜（L5），其余透镜具有屈折力，第一透镜（L1）、第二透镜（L2）和第七透镜（L7）的物侧面于光轴处均为凸面，第三透镜（L3）和第五透镜（L5）的像侧面于光轴处均为凸面，第七透镜（L7）的像侧面于光轴处为凹面，第七透镜（L7）的物侧面（S13）和/或像侧面（S14）设有反曲点；光学系统满足以下条件式：tanω/f>0.21mm -1，Y2/Y1+Y3/Y1+Y4/Y1<3.1，tanω为光学系统的最大视场角一半的正切值，f为光学系统的有效焦距，Y1、Y2、Y3、Y4分别为第一透镜（L1）、第二透镜（L2）、第三透镜（L3）、第四透镜（L4）的物侧面（S1，S3，S5，S7）的最大光学有效半径。通过合理配置第一透镜（L1）至第七透镜（L7）的屈折力及面型，同时设置tanω/f>0.21，Y2/Y1+Y3/Y1+Y4/Y1<3.1，使得光学系统具有广角化，小型化的特征，并具有良好的成像质量。

Description

光学系统、镜头模组及终端设备 技术领域
本申请属于光学成像技术领域，尤其涉及一种光学系统、镜头模组及终端设备。
背景技术
近年来，随着智能手机，平板电脑等便携式电子设备的兴起，人们对搭载于其上的摄像镜头的要求也越来越多，其中，广角镜头在有限距离下能拍摄出更广阔的景象，极大的满足了用户的使用体验和需求。
一般搭载于便携式电子产品上的广角镜头五片式较多，也有六片式透镜的结构，但难以兼顾小型化与高成像质量的要求，因此，需要设计一种小型化，成像品质佳的广角镜头以满足用户的使用体验。
发明内容
本申请实施例提供一种光学系统、镜头模组及终端设备，该光学系统解决了广角镜头的小型化及高成像质量的问题，以提升用户的使用体验。
第一方面，本申请实施例提供了一种光学系统，从物侧至像侧依次包括第一透镜，具有正屈折力，所述第一透镜的物侧面于光轴处为凸面；第二透镜，具有屈折力，所述第二透镜的物侧面于光轴处为凸面；第三透镜，具有屈折力，所述第三透镜的像侧面于光轴处为凸面；第四透镜，具有屈折力；第五透镜，具有正屈折力，所述第五透镜的像侧面于光轴处为凸面；第六透镜，具有屈折力；第七透镜，具有屈折力，所述第七透镜的物侧面于光轴处为凸面，所述第七透镜的像侧面于光轴处为凹面，所述第七透镜的物侧面和/或像侧面设有反曲点。其中，屈折力即为光焦度，表征光学系统偏折光线的能力，第二透镜、第三透镜、第四透镜、第六透镜和第七透镜具有屈折力是指第二透镜、第三透镜、第四透镜、第六透镜和第七透镜可以具有正屈折力，也可以具有负屈折力，正屈折力表示透镜对光束起汇聚作用，负屈折力表示透镜对光束起发散作用。例如，一种优选的实施方式中七个透镜的屈折力可以为，第一透镜具有正屈折力，第二透镜具有正屈折力，第三透镜具有负屈折力，第四透镜具有负屈折力，第五透镜具有正屈折力，第六透镜具有负屈折力，第七透镜具有负屈折力，七个透镜的屈折力也可以为其他优选的组合。当透镜不具有屈折力时，即光焦度为零的情况下，即为平面折射，这时，沿轴平行光束经折射后仍是沿轴平行光束，不出现屈折现象。所述光学系统满足以下条件式：tanω/f>0.21mm -1，Y2/Y1+Y3/Y1+Y4/Y1<3.1，其中，tanω为所述光学系统的最大视场角一半的正切值，f为所述光学系统的有效焦距，Y1为所述第一透镜的物侧面的最大光学有效半径，Y2为所述第二透镜的物侧面的最大光学有效半径，Y3为所述第三透镜的物侧面的最大光学有效半径，Y4为所述第四透镜的物侧面的最大光学有效半径。
本申请通过合理配置光学系统中第一透镜至第七透镜的屈折力及第一透镜、第二透镜、第三透镜，第五透镜和第七透镜的面型，同时设置tanω/f>0.21，Y2/Y1+Y3/Y1+Y4/Y1<3.1，使得光学系统具有广角化，小型化的特征，反曲点的设置，可以抑制离轴视场入射光线过度增大，能够有效修正像差、控制畸变，有利于提升成像质量。
通过约束第一透镜、第二透镜、第三透镜和第四透镜的最大光学有效半径，可使光学系统具有较小的前端口径，满足小头部外型，即满足光学系统小型化的需求，如果Y2/Y1+Y3/Y1+Y4/Y1≥3.1，第一透镜、第二透镜、第三透镜和第四透镜中任一透镜的口径偏大，都会导致整个光学系统前端体积变大，不利于光学系统的小型化。通过合理配置tanω/f的范围，使光学系统具有广角特性，如果tanω/f≤0.21，在保持相同焦距的状态下，视场角变小，成像画面变小。
一种实施方式中，所述光学系统满足条件式：1<f1/f<1.6，其中，f为所述光学系统的有效焦距，f1为所述第一透镜的焦距。合理配置f1/f的比值范围，可以校正系统场曲，保证良好的成像质量，且合理缩短光学系统的有效焦距，有利于缩短系统总长，使光学系统具有小型化的特征。
一种实施方式中，f12/f34>-0.54，其中，f12为所述第一透镜与所述第二透镜的组合焦距，f34为所述第三透镜与所述第四透镜的组合焦距。第一透镜和第二透镜形成的组合透镜提供正的光焦度(即屈折力)，第三透镜和第四透镜形成的组合透镜提供负的光焦度，有利于修正第一透镜和第二透镜产生的球差，当f12/f34>-0.54时，可以使得光学系统具有良好的成像品质，当f12/f34≤-0.54时，第一透镜和第二透镜的组合焦距变大，正光焦度变小，不利于成像品质的提升。
一种实施方式中，所述光学系统满足条件式：1.66<n4<1.69，其中，n4为所述第四透镜的折射率。第四透镜具有较高的折射率，可以提高系统的调制传递函数，使系统具有优良的性能，并且可以校正色差，保证成像质量。
一种实施方式中，所述光学系统满足条件式：0.5<f/f5<1.4，其中，f为所述光学系统的有效焦距，f5为所述第五透镜的焦距。第一透镜提供大部分正光焦度成像，第五透镜补偿第一透镜共同提供正光焦度，提高成像质量。
一种实施方式中，所述光学系统满足条件式：3.7<f/CT5<5.1，其中，f为所述光学系统的有效焦距，CT5为所述第五透镜的于光轴上的厚度。第五透镜具有正光焦度，合理配置第五透镜于光轴上的厚度，可以有效缩短光学系统的总长度，有利于光学系统小型化。
一种实施方式中，所述光学系统满足条件式：TTL/EPD<2.8，其中，TTL为所述第一透镜的物侧面至所述光学系统的成像面于光轴上的距离，EPD为所述光学系统的入瞳直径。七片式透镜的光学系统一般配置较大的入瞳直径来增加通光量，合理配置TTL/EPD的比值，可有效压缩系统的总长，满足小型化的特性。
一种实施方式中，所述光学系统满足条件式：FNO/ImgH≤0.55mm -1，其中，FNO为所述光学系统的光圈数，ImgH为所述光学系统的成像面上有效像素区域对角线长的一半。通过限定FNO/ImgH的合理范围，可以使得光学系统具有大光圈，提高成像质量。
第二方面，本申请提供一种镜头模组，包括感光元件和前述任意一种实施方式所述的光学系统，所述感光元件位于所述光学系统的像侧。
第三方面，本申请提供一种终端设备，包括所述的镜头模组。
通过合理配置光学系统中第一透镜至第七透镜的屈折力及第一透镜、第二透镜、第三透镜，第五透镜和第七透镜的面型，同时设置tanω/f>0.21，Y2/Y1+Y3/Y1+Y4/Y1<3.1，使得光学系统具有广角化，小型化的特征，反曲点的设置，可以抑制离轴视场入射光线过度增大，能够有 效修正像差、控制畸变，有利于提升成像质量。
附图说明
为了更清楚地说明本申请实施例或背景技术中的技术方案，下面将对本申请实施例或背景技术中所需要使用的附图进行说明。
图1是本申请提供的光学系统应用在终端设备中的示意图；
图2是本申请第一实施例提供的光学系统的结构示意图；
图3是第一实施例的光学系统的纵向球差曲线、像散曲线和畸变曲线；
图4是本申请第二实施例提供的光学系统的结构示意图；
图5是第二实施例的光学系统的纵向球差曲线、像散曲线和畸变曲线；
图6是本申请第三实施例提供的光学系统的结构示意图；
图7是第三实施例的光学系统的纵向球差曲线、像散曲线和畸变曲线；
图8是本申请第四实施例提供的光学系统的结构示意图；
图9是第四实施例的光学系统的纵向球差曲线、像散曲线和畸变曲线；
图10是本申请第五实施例提供的光学系统的结构示意图；
图11是第五实施例的光学系统的纵向球差曲线、像散曲线和畸变曲线；
图12是本申请第六实施例提供的光学系统的结构示意图；
图13是第六实施例的光学系统的纵向球差曲线、像散曲线和畸变曲线；
图14是本申请第七实施例提供的光学系统的结构示意图；
图15是第七实施例的光学系统的纵向球差曲线、像散曲线和畸变曲线；
图16是本申请第八实施例提供的光学系统的结构示意图；
图17是第八实施例的光学系统的纵向球差曲线、像散曲线和畸变曲线。
具体实施方式
下面结合本申请实施例中的附图对本申请实施例进行描述。
参阅图1，本申请涉及的光学系统应用在终端设备30中的镜头模组20。终端设备30可以为手机、平板电脑、无人机、计算机等设备。镜头模组20的感光元件位于光学系统的像侧，镜头模组20组装在终端设备30内部。
本申请提供一种镜头模组，包括感光元件和本申请实施例提供的光学系统，感光元件位于光学系统的像侧，用于将穿过第一透镜至第七透镜且入射到电子感光元件上的光线转换成图像的电信号。电子感光元件可以为互补金属氧化物半导体(Complementary Metal Oxide Semiconductor，CMOS)或电荷耦合器件(Charge-coupled Device，CCD)。通过在镜头模组内安装该光学系统，使镜头模组具有广角化，小型化的特征，并具有良好的成像质量。
本申请还提供一种终端设备，该终端设备包括本申请实施例提供的镜头模组。该终端设备可以为手机、平板电脑、无人机、计算机等。通过在终端设备内安装该镜头模组，使终端设备具有广角化，小型化的特征，并具有良好的成像质量。
本申请提供的一种光学系统包括七个透镜，七个透镜从物侧至像侧依序分布分别为第一透镜、第二透镜、第三透镜、第四透镜、第五透镜、第六透镜和第七透镜。
具体的，七片透镜的面型及屈折力如下：
第一透镜，具有正屈折力，所述第一透镜的物侧面于光轴处为凸面；第二透镜，具有屈折力，所述第二透镜的物侧面于光轴处为凸面；第三透镜，具有屈折力，所述第三透镜的像侧面于光轴处为凸面；第四透镜，具有屈折力；第五透镜，具有正屈折力，所述第五透镜的像侧面于光轴处为凸面；第六透镜，具有屈折力；第七透镜，具有屈折力，所述第七透镜的物侧面于光轴处为凸面，所述第七透镜的像侧面于光轴处为凹面，所述第七透镜的物侧面和/或像侧面设有反曲点。
所述光学系统满足以下条件式：tanω/f>0.21，Y2/Y1+Y3/Y1+Y4/Y1<3.1，其中，tanω为所述光学系统的最大视场角一半的正切值，f为所述光学系统的有效焦距，Y1为所述第一透镜的物侧面的最大光学有效半径，Y2为所述第二透镜的物侧面的最大光学有效半径，Y3为所述第三透镜的物侧面的最大光学有效半径，Y4为所述第四透镜的物侧面的最大光学有效半径。
合理配置光学系统中第一透镜至第七透镜的屈折力及第一透镜、第二透镜、第三透镜，第五透镜和第七透镜的面型，同时设置tanω/f>0.21mm -1，Y2/Y1+Y3/Y1+Y4/Y1<3.1，使得光学系统具有广角化，小型化的特征，反曲点的设置，可以抑制离轴视场入射光线过度增大，能够有效修正像差、控制畸变，有利于提升成像质量。
通过约束第一透镜、第二透镜、第三透镜和第四透镜的最大光学有效半径，可使光学系统具有较小的前端口径，满足小头部外型，即满足光学系统小型化的需求。如果Y2/Y1+Y3/Y1+Y4/Y1≥3.1，第一透镜、第二透镜、第三透镜和第四透镜中任一透镜的口径偏大，都会导致整个光学系统前端体积变大，不利于光学系统的小型化。通过合理配置tanω/f的范围，使光学系统具有广角特性，如果tanω/f≤0.21，在保持相同焦距的状态下，视场角变小，成像画面变小。
一种实施方式中，所述光学系统满足条件式：1<f1/f<1.6，其中，f为所述光学系统的有效焦距，f1为所述第一透镜的焦距。合理配置f1/f的比值范围，可以校正系统场曲，保证良好的成像质量，且合理缩短光学系统的有效焦距，有利于缩短系统总长，使光学系统具有小型化的特征。
一种实施方式中，f12/f34>-0.54，其中，f12为所述第一透镜与所述第二透镜的组合焦距，f34为所述第三透镜与所述第四透镜的组合焦距。第一透镜和第二透镜形成的组合透镜提供正的光焦度(即屈折力)，第三透镜和第四透镜形成的组合透镜提供负的光焦度，有利于修正第一透镜和第二透镜产生的球差，当f12/f34>-0.54时，可以使得光学系统具有良好的成像品质，当f12/f34≤-0.54时，第一透镜和第二透镜的组合焦距变大，正光焦度变小，不利于成像品质的提升。
一种实施方式中，所述光学系统满足条件式：1.66<n4<1.69，其中，n4为所述第四透镜的折射率。第四透镜具有较高的折射率，可以提高系统的调制传递函数，使系统具有优良的性能，并且可以校正色差，保证成像质量。
一种实施方式中，所述光学系统满足条件式：0.5<f/f5<1.4，其中，f为所述光学系统的有效焦距，f5为所述第五透镜的焦距。第一透镜提供大部分正光焦度成像，第五透镜补偿第一透镜共同提供正光焦度，提高成像质量。
一种实施方式中，所述光学系统满足条件式：3.7<f/CT5<5.1，其中，f为所述光学系统的 有效焦距，CT5为所述第五透镜的于光轴上的厚度。第五透镜具有正光焦度，合理配置第五透镜于光轴上的厚度，可以有效缩短光学系统的总长度，有利于光学系统小型化。
一种实施方式中，所述光学系统满足条件式：TTL/EPD<2.8，其中，TTL为所述第一透镜的物侧面至所述光学系统的成像面于光轴上的距离，EPD为所述光学系统的入瞳直径。七片式透镜的光学系统一般配置较大的入瞳直径来增加通光量，合理配置TTL/EPD的比值，可有效压缩系统的总长，满足小型化的特性。
一种实施方式中，所述光学系统满足条件式：FNO/ImgH≤0.55mm -1，其中，FNO为所述光学系统的光圈数，ImgH为所述光学系统的成像面上有效像素区域对角线长的一半。通过限定FNO/ImgH的合理范围，可以使得光学系统具有大光圈，提高成像质量。
光学系统设有非球面的透镜，有利于校正系统像差，提高系统成像质量。非球面曲线方程式包括但不限于如下方程式：
Figure PCTCN2020084253-appb-000001
其中，Z是非球面上相应点到与表面顶点相切的平面的距离，r是非球面上相应点到光轴的距离，c是非球面顶点的曲率，k是圆锥常数，Ai为非球面面型公式中与第i项高次项相对应的系数。
以下通过八个具体的实施例对本申请进行详细的说明。
实施例一
如图2所示，直线11表示光轴，第一个透镜L1远离第二透镜L2的一侧为物侧12，第七透镜L7远离第六透镜L6的一侧为像侧13。本实施例提供的光学系统中，从物侧12到像侧13依次为光阑STO、第一个透镜L1、第二透镜L2、第三透镜L3、第四透镜L4、第五透镜L5、第六透镜L6、第七透镜L7、红外滤光元件IRCF，其中，第七透镜L7的物侧面和/或像侧面设有反曲点。
第一透镜L1具有正屈折力，且为塑料材质，其物侧面S1于光轴处和于圆周处为凸面，其像侧面S2于光轴处为凹面，其像侧面S2于圆周处为凸面，并皆为非球面。
第二透镜L2具有正屈折力，且为塑料材质，其物侧面S3于光轴处和于圆周处为凹面，其像侧面S4于光轴处和于圆周处为凸面，并皆为非球面。
第三透镜L3具有负屈折力，且为塑料材质，其物侧面S5于光轴处和于圆周处为凹面，其像侧面S6于光轴处和于圆周处为凸面，并皆为非球面。
第四透镜L4具有负屈折力，且为塑料材质，其物侧面S7于光轴处和于圆周处为凹面，其像侧面S8于光轴处为凹面，其像侧面S8于圆周处为凸面，且皆为非球面。
第五透镜L5具有正屈折力，且为塑料材质，其物侧面S9于光轴处和于圆周处为凹面，其像侧面S10于光轴处和于圆周处为凸面，并皆为非球面。
第六透镜L6具有负屈折力，且为塑料材质，其物侧面S11于光轴处和于圆周处为凹面，其像侧面S12于光轴处为凹面，其像侧面S12于圆周处为凸面，并皆为非球面。
第七透镜L7具有负屈折力，且为塑料材质，其物侧面S13于光轴处和于圆周处为凸面，其像侧面S14于光轴处为凹面，其像侧面S14于圆周处为凸面，并皆为非球面。
光阑STO可以位于光学系统物侧与第七透镜之间，本实施例中的光阑STO设置在第一透镜L1远离第二透镜L2的一侧，用于控制进光量。
红外滤光元件IRCF设置在第七透镜L7之后，包括物侧面S15和像侧面S16，红外滤光元件IRCF用于过滤掉红外光线，使得射入成像面的光线为可见光，可见光的波长为380nm-780nm，红外滤光元件IRCF的材质为玻璃。
成像面S17为被摄物体的光通过光学系统后形成的像所在的面。
表1a示出了本实施例的光学系统的特性表格。
表1a
Figure PCTCN2020084253-appb-000002
其中，f为光学系统的有效焦距，FNO为光学系统的光圈数，FOV为光学系统的对角线方向的视场角，TTL为第一透镜的物侧面至光学系统的成像面于光轴上的距离。
表1b给出了可用于第一实施例中各非球面镜面S1、S2、S3、S4、S5、S6、S7、S8、S9、S10、S11、S12、S13、S14的高次项系数A4、A6、A8、A10、A12、A14、A16、A18和A20。
表1b
Figure PCTCN2020084253-appb-000003
图3示出了第一实施例的光学系统的纵向球差曲线、像散曲线、畸变曲线。其中，纵向球差曲线表示不同波长的光线经由光学系统的各透镜后的会聚焦点偏离；像散曲线表示子午像面弯曲和弧矢像面弯曲；畸变曲线表示不同视场角对应的畸变大小值。根据图3可知，第一实施例所给出的光学系统能够实现良好的成像品质。
实施例二
如图4所示，直线11表示光轴，第一个透镜L1远离第二透镜L2的一侧为物侧12，第七透镜L7远离第六透镜L6的一侧为像侧13。本实施例提供的光学系统中，从物侧12到像侧13依次为光阑STO、第一个透镜L1、第二透镜L2、第三透镜L3、第四透镜L4、第五透镜L5、第六透镜L6、第七透镜L7、红外滤光元件IRCF，其中，第七透镜L7的物侧面和/或像侧面设有反曲点。
第一透镜L1具有正屈折力，且为塑料材质，其物侧面S1于光轴处和于圆周处为凸面，其 像侧面S2于光轴处为凹面，其像侧面S2于圆周处为凸面，并皆为非球面。
第二透镜L2具有正屈折力，且为塑料材质，其物侧面S3于光轴处和于圆周处为凹面，其像侧面S4于光轴处和于圆周处为凸面，并皆为非球面。
第三透镜L3具有负屈折力，且为塑料材质，其物侧面S5于光轴处和于圆周处为凹面，其像侧面S6于光轴处和于圆周处为凸面，并皆为非球面。
第四透镜L4具有负屈折力，且为塑料材质，其物侧面S7于光轴处和于圆周处为凹面，其像侧面S8于光轴处为凹面，其像侧面S8于圆周处为凸面，且皆为非球面。
第五透镜L5具有正屈折力，且为塑料材质，其物侧面S9于光轴处和于圆周处为凹面，其像侧面S10于光轴处和于圆周处为凸面，并皆为非球面。
第六透镜L6具有负屈折力，且为塑料材质，其物侧面S11于光轴处和于圆周处为凹面，其像侧面S12于光轴处为凹面，其像侧面S12于圆周处为凸面，并皆为非球面。
第七透镜L7具有负屈折力，且为塑料材质，其物侧面S13于光轴处和于圆周处为凸面，其像侧面S14于光轴处为凹面，其像侧面S14于圆周处为凸面，并皆为非球面。
光阑STO可以位于光学系统物侧与第七透镜之间，本实施例中的光阑STO设置在第一透镜L1远离第二透镜L2的一侧，用于控制进光量。
红外滤光元件IRCF设置在第七透镜L7之后，包括物侧面S15和像侧面S16，红外滤光元件IRCF用于过滤掉红外光线，使得射入成像面的光线为可见光，可见光的波长为380nm-780nm，红外滤光元件IRCF的材质为玻璃。
成像面S17为被摄物体的光通过光学系统后形成的像所在的面。
表2a示出了本实施例的光学系统的特性表格。
表2a
Figure PCTCN2020084253-appb-000004
Figure PCTCN2020084253-appb-000005
其中，f为光学系统的有效焦距，FNO为光学系统的光圈数，FOV为光学系统的对角线方向的视场角，TTL为第一透镜的物侧面至光学系统的成像面于光轴上的距离。
表2b给出了可用于第二实施例中各非球面镜面S1、S2、S3、S4、S5、S6、S7、S8、S9、S10、S11、S12、S13、S14的高次项系数A4、A6、A8、A10、A12、A14、A16、A18和A20。
表2b
Figure PCTCN2020084253-appb-000006
Figure PCTCN2020084253-appb-000007
图5示出了第二实施例的光学系统的纵向球差曲线、像散曲线、畸变曲线。其中，纵向球差曲线表示不同波长的光线经由光学系统的各透镜后的会聚焦点偏离；像散曲线表示子午像面弯曲和弧矢像面弯曲；畸变曲线表示不同视场角对应的畸变大小值。根据图5可知，第二实施例所给出的光学系统能够实现良好的成像品质。
实施例三
如图6所示，直线11表示光轴，第一个透镜L1远离第二透镜L2的一侧为物侧12，第七透镜L7远离第六透镜L6的一侧为像侧13。本实施例提供的光学系统中，从物侧12到像侧13依次为光阑STO、第一个透镜L1、第二透镜L2、第三透镜L3、第四透镜L4、第五透镜L5、第六透镜L6、第七透镜L7、红外滤光元件IRCF，其中，第七透镜L7的物侧面和/或像侧面设有反曲点。
第一透镜L1具有正屈折力，且为塑料材质，其物侧面S1于光轴处和于圆周处为凸面，其像侧面S2于光轴处为凹面，其像侧面S2于圆周处为凸面，并皆为非球面。
第二透镜L2具有负屈折力，且为塑料材质，其物侧面S3于光轴处和于圆周处为凹面，其像侧面S4于光轴处和于圆周处为凸面，并皆为非球面。
第三透镜L3具有正屈折力，且为塑料材质，其物侧面S5于光轴处和于圆周处为凹面，其像侧面S6于光轴处和于圆周处为凸面，并皆为非球面。
第四透镜L4具有负屈折力，且为塑料材质，其物侧面S7于光轴处和于圆周处为凹面，其像侧面S8于光轴处为凹面，其像侧面S8于圆周处为凸面，且皆为非球面。
第五透镜L5具有正屈折力，且为塑料材质，其物侧面S9于光轴处和于圆周处为凹面，其像侧面S10于光轴处和于圆周处为凸面，并皆为非球面。
第六透镜L6具有负屈折力，且为塑料材质，其物侧面S11于光轴处和于圆周处为凹面，其像侧面S12于光轴处为凹面，其像侧面S12于圆周处为凸面，并皆为非球面。
第七透镜L7具有负屈折力，且为塑料材质，其物侧面S13于光轴处为凸面，其物侧面S13于圆周处为凹面，其像侧面S14于光轴处为凹面，其像侧面S14于圆周处为凸面，并皆为非球面。
光阑STO可以位于光学系统物侧与第七透镜之间，本实施例中的光阑STO设置在第一透镜L1远离第二透镜L2的一侧，用于控制进光量。
红外滤光元件IRCF设置在第七透镜L7之后，包括物侧面S15和像侧面S16，红外滤光元件IRCF用于过滤掉红外光线，使得射入成像面的光线为可见光，可见光的波长为380nm-780nm，红外滤光元件IRCF的材质为玻璃。
成像面S17为被摄物体的光通过光学系统后形成的像所在的面。
表3a示出了本实施例的光学系统的特性表格。
表3a
Figure PCTCN2020084253-appb-000008
其中，f为光学系统的有效焦距，FNO为光学系统的光圈数，FOV为光学系统的对角线方向的视场角，TTL为第一透镜的物侧面至光学系统的成像面于光轴上的距离。
表3b给出了可用于第三实施例中各非球面镜面S1、S2、S3、S4、S5、S6、S7、S8、S9、S10、S11、S12、S13、S14的高次项系数A4、A6、A8、A10、A12、A14、A16、A18和A20。
表3b
Figure PCTCN2020084253-appb-000009
Figure PCTCN2020084253-appb-000010
图7示出了第三实施例的光学系统的纵向球差曲线、像散曲线、畸变曲线。其中，纵向球差曲线表示不同波长的光线经由光学系统的各透镜后的会聚焦点偏离；像散曲线表示子午像面弯曲和弧矢像面弯曲；畸变曲线表示不同视场角对应的畸变大小值。根据图7可知，第三实施例所给出的光学系统能够实现良好的成像品质。
实施例四
如图8所示，直线11表示光轴，第一个透镜L1远离第二透镜L2的一侧为物侧12，第七透镜L7远离第六透镜L6的一侧为像侧13。本实施例提供的光学系统中，从物侧12到像侧13依次为光阑STO、第一个透镜L1、第二透镜L2、第三透镜L3、第四透镜L4、第五透镜L5、第六透镜L6、第七透镜L7、红外滤光元件IRCF，其中，第七透镜L7的物侧面和/或像侧面设有反曲点。
第一透镜L1具有正屈折力，且为塑料材质，其物侧面S1于光轴处和于圆周处为凸面，其像侧面S2于光轴处为凹面，其像侧面S2于圆周处为凸面，并皆为非球面。
第二透镜L2具有正屈折力，且为塑料材质，其物侧面S3于光轴处和于圆周处为凹面，其像侧面S4于光轴处和于圆周处为凸面，并皆为非球面。
第三透镜L3具有负屈折力，且为塑料材质，其物侧面S5于光轴处和于圆周处为凹面，其像侧面S6于光轴处和于圆周处为凸面，并皆为非球面。
第四透镜L4具有正屈折力，且为塑料材质，其物侧面S7于光轴处和于圆周处为凹面，其像侧面S8于光轴处和于圆周处为凸面，且皆为非球面。
第五透镜L5具有正屈折力，且为塑料材质，其物侧面S9于光轴处和于圆周处为凹面，其 像侧面S10于光轴处和于圆周处为凸面，并皆为非球面。
第六透镜L6具有负屈折力，且为塑料材质，其物侧面S11于光轴处和于圆周处为凹面，其像侧面S12于光轴处为凹面，其像侧面S12于圆周处为凸面，并皆为非球面。
第七透镜L7具有负屈折力，且为塑料材质，其物侧面S13于光轴处为凸面，其物侧面S13于圆周处为凹面，其像侧面S14于光轴处为凹面，其像侧面S14于圆周处为凸面，并皆为非球面。
光阑STO可以位于光学系统物侧与第七透镜之间，本实施例中的光阑STO设置在第一透镜L1远离第二透镜L2的一侧，用于控制进光量。
红外滤光元件IRCF设置在第七透镜L7之后，包括物侧面S15和像侧面S16，红外滤光元件IRCF用于过滤掉红外光线，使得射入成像面的光线为可见光，可见光的波长为380nm-780nm，红外滤光元件IRCF的材质为玻璃。
成像面S17为被摄物体的光通过光学系统后形成的像所在的面。
表4a示出了本实施例的光学系统的特性表格。
表4a
Figure PCTCN2020084253-appb-000011
Figure PCTCN2020084253-appb-000012
其中，f为光学系统的有效焦距，FNO为光学系统的光圈数，FOV为光学系统的对角线方向的视场角，TTL为第一透镜的物侧面至光学系统的成像面于光轴上的距离。
表4b给出了可用于第四实施例中各非球面镜面S1、S2、S3、S4、S5、S6、S7、S8、S9、S10、S11、S12、S13、S14的高次项系数A4、A6、A8、A10、A12、A14、A16、A18和A20。
表4b
Figure PCTCN2020084253-appb-000013
图9示出了第四实施例的光学系统的纵向球差曲线、像散曲线、畸变曲线。其中，纵向球差曲线表示不同波长的光线经由光学系统的各透镜后的会聚焦点偏离；像散曲线表示子午像面弯曲和弧矢像面弯曲；畸变曲线表示不同视场角对应的畸变大小值。根据图9可知，第四实施例所给出的光学系统能够实现良好的成像品质。
实施例五
如图10所示，直线11表示光轴，第一个透镜L1远离第二透镜L2的一侧为物侧12，第七透镜L7远离第六透镜L6的一侧为像侧13。本实施例提供的光学系统中，从物侧12到像侧13依次为光阑STO、第一个透镜L1、第二透镜L2、第三透镜L3、第四透镜L4、第五透镜L5、第六透镜L6、第七透镜L7、红外滤光元件IRCF，其中，第七透镜L7的物侧面和/或像侧面设有反曲点。
第一透镜L1具有正屈折力，且为塑料材质，其物侧面S1于光轴处和于圆周处为凸面，其像侧面S2于光轴处为凹面，其像侧面S2于圆周处为凸面，并皆为非球面。
第二透镜L2具有正屈折力，且为塑料材质，其物侧面S3于光轴处和于圆周处为凹面，其像侧面S4于光轴处和于圆周处为凸面，并皆为非球面。
第三透镜L3具有负屈折力，且为塑料材质，其物侧面S5于光轴处和于圆周处为凹面，其像侧面S6于光轴处和于圆周处为凸面，并皆为非球面。
第四透镜L4具有负屈折力，且为塑料材质，其物侧面S7于光轴处和于圆周处为凹面，其像侧面S8于光轴处和于圆周处为凸面，且皆为非球面。
第五透镜L5具有正屈折力，且为塑料材质，其物侧面S9于光轴处和于圆周处为凹面，其像侧面S10于光轴处和于圆周处为凸面，并皆为非球面。
第六透镜L6具有正屈折力，且为塑料材质，其物侧面S11于光轴处为凸面，其物侧面S11于圆周处为凹面，其像侧面S12于光轴处为凹面，其像侧面S12于圆周处为凸面，并皆为非球面。
第七透镜L7具有负屈折力，且为塑料材质，其物侧面S13于光轴处为凸面，其物侧面S13于圆周处为凹面，其像侧面S14于光轴处为凹面，其像侧面S14于圆周处为凸面，并皆为非球面。
光阑STO可以位于光学系统物侧与第七透镜之间，本实施例中的光阑STO设置在第一透镜L1远离第二透镜L2的一侧，用于控制进光量。
红外滤光元件IRCF设置在第七透镜L7之后，包括物侧面S15和像侧面S16，红外滤光元件IRCF用于过滤掉红外光线，使得射入成像面的光线为可见光，可见光的波长为380nm-780nm，红外滤光元件IRCF的材质为玻璃。
成像面S17被摄物体的光通过光学系统后形成的像所在的面。
表5a示出了本实施例的光学系统的特性表格。
表5a
Figure PCTCN2020084253-appb-000014
Figure PCTCN2020084253-appb-000015
其中，f为光学系统的有效焦距，FNO为光学系统的光圈数，FOV为光学系统的对角线方向的视场角，TTL为第一透镜的物侧面至光学系统的成像面于光轴上的距离。
表5b给出了可用于第五实施例中各非球面镜面S1、S2、S3、S4、S5、S6、S7、S8、S9、S10、S11、S12、S13、S14的高次项系数A4、A6、A8、A10、A12、A14、A16、A18和A20。
表5b
Figure PCTCN2020084253-appb-000016
Figure PCTCN2020084253-appb-000017
图11示出了第五实施例的光学系统的纵向球差曲线、像散曲线、畸变曲线。其中，纵向球差曲线表示不同波长的光线经由光学系统的各透镜后的会聚焦点偏离；像散曲线表示子午像面弯曲和弧矢像面弯曲；畸变曲线表示不同视场角对应的畸变大小值。根据图11可知，第五实施例所给出的光学系统能够实现良好的成像品质。
实施例六
如图12所示，直线11表示光轴，第一个透镜L1远离第二透镜L2的一侧为物侧12，第七透镜L7远离第六透镜L6的一侧为像侧13。本实施例提供的光学系统中，从物侧12到像侧13依次为光阑STO、第一个透镜L1、第二透镜L2、第三透镜L3、第四透镜L4、第五透镜L5、第六透镜L6、第七透镜L7、红外滤光元件IRCF，其中，第七透镜L7的物侧面和/或像侧面设有反曲点。
第一透镜L1具有正屈折力，且为塑料材质，其物侧面S1于光轴处和于圆周处为凸面，其像侧面S2于光轴处为凹面，其像侧面S2于圆周处为凸面，并皆为非球面。
第二透镜L2具有正屈折力，且为塑料材质，其物侧面S3于光轴处和于圆周处为凹面，其像侧面S4于光轴处和于圆周处为凸面，并皆为非球面。
第三透镜L3具有负屈折力，且为塑料材质，其物侧面S5于光轴处和于圆周处为凹面，其像侧面S6于光轴处和于圆周处为凸面，并皆为非球面。
第四透镜L4具有负屈折力，且为塑料材质，其物侧面S7于光轴处和于圆周处为凹面，其像侧面S8于光轴处为凹面，其像侧面S8于圆周处为凸面，且皆为非球面。
第五透镜L5具有正屈折力，且为塑料材质，其物侧面S9于光轴处和于圆周处为凹面，其像侧面S10于光轴处和于圆周处为凸面，并皆为非球面。
第六透镜L6具有负屈折力，且为塑料材质，其物侧面S11于光轴处和于圆周处为凹面，其像侧面S12于光轴处为凹面，其像侧面S12于圆周处为凸面，并皆为非球面。
第七透镜L7具有正屈折力，且为塑料材质，其物侧面S13于光轴处和于圆周处为凸面，其像侧面S14于光轴处为凹面，其像侧面S14于圆周处为凸面，并皆为非球面。
光阑STO可以位于光学系统物侧与第七透镜之间，本实施例中的光阑STO设置在第一透镜L1远离第二透镜L2的一侧，用于控制进光量。
红外滤光元件IRCF设置在第七透镜L7之后，包括物侧面S15和像侧面S16，红外滤光 元件IRCF用于过滤掉红外光线，使得射入成像面的光线为可见光，可见光的波长为380nm-780nm，红外滤光元件IRCF的材质为玻璃。
成像面S17为被摄物体的光通过光学系统后形成的像所在的面。
表6a示出了本实施例的光学系统的特性表格。
表6a
Figure PCTCN2020084253-appb-000018
其中，f为光学系统的有效焦距，FNO为光学系统的光圈数，FOV为光学系统的对角线方向的视场角，TTL为第一透镜的物侧面至光学系统的成像面于光轴上的距离。
表6b给出了可用于第六实施例中各非球面镜面S1、S2、S3、S4、S5、S6、S7、S8、S9、S10、S11、S12、S13、S14的高次项系数A4、A6、A8、A10、A12、A14、A16、A18和A20。
表6b
Figure PCTCN2020084253-appb-000019
Figure PCTCN2020084253-appb-000020
图13示出了第六实施例的光学系统的纵向球差曲线、像散曲线、畸变曲线。其中，纵向球差曲线表示不同波长的光线经由光学系统的各透镜后的会聚焦点偏离；像散曲线表示子午像面弯曲和弧矢像面弯曲；畸变曲线表示不同视场角对应的畸变大小值。根据图13可知，第六实施例所给出的光学系统能够实现良好的成像品质。
实施例七
如图14所示，直线11表示光轴，第一个透镜L1远离第二透镜L2的一侧为物侧12，第七透镜L7远离第六透镜L6的一侧为像侧13。本实施例提供的光学系统中，从物侧12到像侧13依次为光阑STO、第一个透镜L1、第二透镜L2、第三透镜L3、第四透镜L4、第五透镜L5、第六透镜L6、第七透镜L7、红外滤光元件IRCF，其中，第七透镜L7的物侧面和/或像侧面设有反曲点。
第一透镜L1具有正屈折力，且为塑料材质，其物侧面S1于光轴处和于圆周处为凸面，其像侧面S2于光轴处为凹面，其像侧面S2于圆周处为凸面，并皆为非球面。
第二透镜L2具有正屈折力，且为塑料材质，其物侧面S3于光轴处和于圆周处为凹面，其像侧面S4于光轴处和于圆周处为凸面，并皆为非球面。
第三透镜L3具有负屈折力，且为塑料材质，其物侧面S5于光轴处和于圆周处为凹面，其像侧面S6于光轴处和于圆周处为凸面，并皆为非球面。
第四透镜L4具有负屈折力，且为塑料材质，其物侧面S7于光轴处和于圆周处为凹面，其像侧面S8于光轴处和于圆周处为凸面，且皆为非球面。
第五透镜L5具有正屈折力，且为塑料材质，其物侧面S9于光轴处和于圆周处为凹面，其像侧面S10于光轴处和于圆周处为凸面，并皆为非球面。
第六透镜L6具有负屈折力，且为塑料材质，其物侧面S11于光轴处和于圆周处为凹面，其像侧面S12于光轴处为凹面，其像侧面S12于圆周处为凸面，并皆为非球面。
第七透镜L7具有正屈折力，且为塑料材质，其物侧面S13于光轴处为凸面，其物侧面S13于圆周处为凹面，其像侧面S14于光轴处为凹面，其像侧面S14于圆周处为凸面，并皆为非球面。
光阑STO可以位于光学系统物侧与第七透镜之间，本实施例中的光阑STO设置在第一透镜L1远离第二透镜L2的一侧，用于控制进光量。
红外滤光元件IRCF设置在第七透镜L7之后，包括物侧面S15和像侧面S16，红外滤光元件IRCF用于过滤掉红外光线，使得射入成像面的光线为可见光，可见光的波长为380nm-780nm，红外滤光元件IRCF的材质为玻璃。
成像面S17为被摄物体的光通过光学系统后形成的像所在的面。
表7a示出了本实施例的光学系统的特性表格。
表7a
Figure PCTCN2020084253-appb-000021
Figure PCTCN2020084253-appb-000022
其中，f为光学系统的有效焦距，FNO为光学系统的光圈数，FOV为光学系统的对角线方向的视场角，TTL为第一透镜的物侧面至光学系统的成像面于光轴上的距离。
表7b给出了可用于第七实施例中各非球面镜面S1、S2、S3、S4、S5、S6、S7、S8、S9、S10、S11、S12、S13、S14的高次项系数A4、A6、A8、A10、A12、A14、A16、A18和A20。
表7b
Figure PCTCN2020084253-appb-000023
图15示出了第七实施例的光学系统的纵向球差曲线、像散曲线、畸变曲线。其中，纵向 球差曲线表示不同波长的光线经由光学系统的各透镜后的会聚焦点偏离；像散曲线表示子午像面弯曲和弧矢像面弯曲；畸变曲线表示不同视场角对应的畸变大小值。根据图15可知，第七实施例所给出的光学系统能够实现良好的成像品质。
实施例八
如图16所示，直线11表示光轴，第一个透镜L1远离第二透镜L2的一侧为物侧12，第七透镜L7远离第六透镜L6的一侧为像侧13。本实施例提供的光学系统中，从物侧12到像侧13依次为光阑STO、第一个透镜L1、第二透镜L2、第三透镜L3、第四透镜L4、第五透镜L5、第六透镜L6、第七透镜L7、红外滤光元件IRCF，其中，第七透镜L7的物侧面和/或像侧面设有反曲点。
第一透镜L1具有正屈折力，且为塑料材质，其物侧面S1于光轴处和于圆周处为凸面，其像侧面S2于光轴处和于圆周处为凹面，并皆为非球面。
第二透镜L2具有正屈折力，且为塑料材质，其物侧面S3于光轴处和于圆周处为凸面，其像侧面S4于光轴处和于圆周处为凸面，并皆为非球面。
第三透镜L3具有负屈折力，且为塑料材质，其物侧面S5于光轴处和于圆周处为凹面，其像侧面S6于光轴处和于圆周处为凸面，并皆为非球面。
第四透镜L4具有负屈折力，且为塑料材质，其物侧面S7于光轴处为凸面，其物侧面S7于圆周处为凹面，其像侧面S8于光轴处和于圆周处为凹面，且皆为非球面。
第五透镜L5具有正屈折力，且为塑料材质，其物侧面S9于光轴处和于圆周处为凹面，其像侧面S10于光轴处和于圆周处为凸面，并皆为非球面。
第六透镜L6具有负屈折力，且为塑料材质，其物侧面S11于光轴处和于圆周处为凹面，其像侧面S12于光轴处为凹面，其像侧面S12于圆周处为凸面，并皆为非球面。
第七透镜L7具有负屈折力，且为塑料材质，其物侧面S13于光轴处为凸面，其物侧面S13于圆周处为凹面，其像侧面S14于光轴处为凹面，其像侧面S14于圆周处为凸面，并皆为非球面。
光阑STO可以位于光学系统物侧与第七透镜之间，本实施例中的光阑STO设置在第一透镜L1远离第二透镜L2的一侧，用于控制进光量。
红外滤光元件IRCF设置在第七透镜L7之后，包括物侧面S15和像侧面S16，红外滤光元件IRCF用于过滤掉红外光线，使得射入成像面的光线为可见光，可见光的波长为380nm-780nm，红外滤光元件IRCF的材质为玻璃。
成像面S17为被摄物体的光通过光学系统后形成的像所在的面。
表8a示出了本实施例的光学系统的特性表格。
表8a
Figure PCTCN2020084253-appb-000024
Figure PCTCN2020084253-appb-000025
其中，f为光学系统的有效焦距，FNO为光学系统的光圈数，FOV为光学系统的对角线方向的视场角，TTL为第一透镜的物侧面至光学系统的成像面于光轴上的距离。
表8b给出了可用于第八实施例中各非球面镜面S1、S2、S3、S4、S5、S6、S7、S8、S9、S10、S11、S12、S13、S14的高次项系数A4、A6、A8、A10、A12、A14、A16、A18和A20。
表8b
Figure PCTCN2020084253-appb-000026
Figure PCTCN2020084253-appb-000027
图17示出了第八实施例的光学系统的纵向球差曲线、像散曲线、畸变曲线。其中，纵向球差曲线表示不同波长的光线经由光学系统的各透镜后的会聚焦点偏离；像散曲线表示子午像面弯曲和弧矢像面弯曲；畸变曲线表示不同视场角对应的畸变大小值。根据图17可知，第八实施例所给出的光学系统能够实现良好的成像品质。
表9为第一实施例至第八实施例的光学系统的tanω/f、f/f5、f1/f、TTL/EPD、f12/f34、n4、FNO/ImgH、f/CT5、Y2/Y1+Y3/Y1+Y4/Y1的值。
表9
Figure PCTCN2020084253-appb-000028
Figure PCTCN2020084253-appb-000029
由表9可见，各实施例均能满足：tanω/f>0.21mm -1，0.5<f/f5<1.4，1<f1/f<1.6，TTL/EPD<2.8，f12/f34>-0.54，1.66<n4<1.69，FNO/ImgH≤0.55mm -1，3.7<f/CT5<5.1，Y2/Y1+Y3/Y1+Y4/Y1<3.1。
以上所述是本申请的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本申请原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本申请的保护范围。

Claims (10)

  1. 一种光学系统，其特征在于，包括从物侧至像侧依次排布的：
    第一透镜，具有正屈折力，所述第一透镜的物侧面于光轴处为凸面；
    第二透镜，具有屈折力，所述第二透镜的物侧面于光轴处为凸面；
    第三透镜，具有屈折力，所述第三透镜的像侧面于光轴处为凸面；
    第四透镜，具有屈折力；
    第五透镜，具有正屈折力，所述第五透镜的像侧面于光轴处为凸面；
    第六透镜，具有屈折力；
    第七透镜，具有屈折力，所述第七透镜的物侧面于光轴处为凸面，所述第七透镜的像侧面于光轴处为凹面，所述第七透镜的物侧面和/或像侧面设有反曲点；
    所述光学系统满足以下条件式：
    tanω/f>0.21mm -1，
    Y2/Y1+Y3/Y1+Y4/Y1<3.1，
    其中，tanω为所述光学系统的最大视场角一半的正切值，f为所述光学系统的有效焦距，Y1为所述第一透镜的物侧面的最大光学有效半径，Y2为所述第二透镜的物侧面的最大光学有效半径，Y3为所述第三透镜的物侧面的最大光学有效半径，Y4为所述第四透镜的物侧面的最大光学有效半径。
  2. 根据权利要求1所述的光学系统，其特征在于，所述光学系统满足条件式：
    1<f1/f<1.6，
    其中，f1为所述第一透镜的焦距。
  3. 根据权利要求1所述的光学系统，其特征在于，所述光学系统满足条件式：
    f12/f34>-0.54，
    其中，f12为所述第一透镜与所述第二透镜的组合焦距，f34为所述第三透镜与所述第四透镜的组合焦距。
  4. 根据权利要求1所述的光学系统，其特征在于，所述光学系统满足条件式：
    1.66<n4<1.69，
    其中，n4为所述第四透镜的折射率。
  5. 根据权利要求1所述的光学系统，其特征在于，所述光学系统满足条件式：
    0.5<f/f5<1.4，
    其中，f5为所述第五透镜的焦距。
  6. 根据权利要求1所述的光学系统，其特征在于，所述光学系统满足条件式：
    3.7<f/CT5<5.1，
    其中，CT5为所述第五透镜的于光轴上的厚度。
  7. 根据权利要求1所述的光学系统，其特征在于，所述光学系统满足条件式：
    TTL/EPD<2.8，
    其中，TTL为所述第一透镜的物侧面至所述光学系统的成像面于光轴上的距离，EPD为所述光学系统的入瞳直径。
  8. 根据权利要求1所述的光学系统，其特征在于，所述光学系统满足条件式：
    FNO/ImgH≤0.55mm -1，
    其中，FNO为所述光学系统的光圈数，ImgH为所述光学系统的成像面上有效像素区域对角线长的一半。
  9. 一种镜头模组，其特征在于，包括感光元件和如权利要求1至8任一项所述的光学系统，所述感光元件位于所述光学系统的像侧。
  10. 一种终端设备，其特征在于，包括如权利要求9所述的镜头模组。
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210396970A1 (en) * 2020-06-22 2021-12-23 Zhejiang Sunny Optics Co.,Ltd. Optical Imaging Lens Assembly

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111505806B (zh) * 2020-06-19 2022-08-26 玉晶光电(厦门)有限公司 光学成像镜头
JP7481951B2 (ja) * 2020-08-19 2024-05-13 東京晨美光学電子株式会社 撮像レンズ

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108089317A (zh) * 2018-02-05 2018-05-29 浙江舜宇光学有限公司 光学成像镜头
CN108254864A (zh) * 2017-12-18 2018-07-06 瑞声科技(新加坡)有限公司 摄像光学镜头
CN109960014A (zh) * 2017-12-25 2019-07-02 大立光电股份有限公司 摄影透镜组、取像装置及电子装置
CN110031956A (zh) * 2019-05-20 2019-07-19 浙江舜宇光学有限公司 电子成像装置
US20200041770A1 (en) * 2015-04-16 2020-02-06 Largan Precision Co., Ltd. Optical lens assembly, image capturing apparatus and electronic device
CN210051916U (zh) * 2019-05-21 2020-02-11 江苏光腾光学有限公司 一种光学镜片组

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI600923B (zh) * 2016-10-19 2017-10-01 大立光電股份有限公司 攝影光學鏡片系統、取像裝置及電子裝置
CN108107551B (zh) * 2017-11-17 2019-12-10 玉晶光电(厦门)有限公司 光学成像镜头
CN108107555B (zh) * 2017-12-29 2019-11-26 玉晶光电(厦门)有限公司 光学成像镜头
CN112130281B (zh) * 2018-05-29 2022-12-06 三星电机株式会社 光学成像系统
CN115220193A (zh) * 2018-05-29 2022-10-21 三星电机株式会社 光学成像系统
CN115980983A (zh) * 2018-05-29 2023-04-18 三星电机株式会社 光学成像系统
CN109683294B (zh) * 2018-12-28 2021-10-01 诚瑞光学(苏州)有限公司 摄像光学镜头

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200041770A1 (en) * 2015-04-16 2020-02-06 Largan Precision Co., Ltd. Optical lens assembly, image capturing apparatus and electronic device
CN108254864A (zh) * 2017-12-18 2018-07-06 瑞声科技(新加坡)有限公司 摄像光学镜头
CN109960014A (zh) * 2017-12-25 2019-07-02 大立光电股份有限公司 摄影透镜组、取像装置及电子装置
CN108089317A (zh) * 2018-02-05 2018-05-29 浙江舜宇光学有限公司 光学成像镜头
CN110031956A (zh) * 2019-05-20 2019-07-19 浙江舜宇光学有限公司 电子成像装置
CN210051916U (zh) * 2019-05-21 2020-02-11 江苏光腾光学有限公司 一种光学镜片组

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP3933476A4 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20210396970A1 (en) * 2020-06-22 2021-12-23 Zhejiang Sunny Optics Co.,Ltd. Optical Imaging Lens Assembly

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