WO2019192180A1 - 光学成像镜头 - Google Patents

光学成像镜头 Download PDF

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Publication number
WO2019192180A1
WO2019192180A1 PCT/CN2018/114513 CN2018114513W WO2019192180A1 WO 2019192180 A1 WO2019192180 A1 WO 2019192180A1 CN 2018114513 W CN2018114513 W CN 2018114513W WO 2019192180 A1 WO2019192180 A1 WO 2019192180A1
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WIPO (PCT)
Prior art keywords
lens
optical imaging
imaging lens
image side
focal length
Prior art date
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PCT/CN2018/114513
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English (en)
French (fr)
Inventor
黄林
周鑫
Original Assignee
浙江舜宇光学有限公司
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Publication of WO2019192180A1 publication Critical patent/WO2019192180A1/zh
Priority to US16/867,906 priority Critical patent/US11846757B2/en

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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/02Telephoto objectives, i.e. systems of the type + - in which the distance from the front vertex to the image plane is less than the equivalent focal length
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/001Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras
    • G02B13/0015Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design
    • G02B13/002Miniaturised objectives for electronic devices, e.g. portable telephones, webcams, PDAs, small digital cameras characterised by the lens design having at least one aspherical surface
    • G02B13/0045Miniaturised 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00Optical objectives specially designed for the purposes specified below
    • G02B13/06Panoramic objectives; So-called "sky lenses" including panoramic objectives having reflecting surfaces
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/0025Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00 for optical correction, e.g. distorsion, aberration
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B9/00Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or -
    • G02B9/62Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having six components only

Definitions

  • the present application relates to an optical imaging lens, and more particularly, to an optical imaging lens comprising six lenses.
  • the use of portable electronic devices can achieve the shooting requirements for distant objects in the field, and can achieve the effect of highlighting the subject and blurring the background.
  • the existing telephoto lens usually achieves high image quality by increasing the number of lenses, and thus has a large size, and cannot meet the requirements of telephoto, miniaturization, and high image quality at the same time.
  • the present application provides an optical imaging lens that can be adapted for use in a portable electronic product that can at least solve or partially address at least one of the above disadvantages of the prior art.
  • the present application provides an optical imaging lens that includes, in order from the object side to the image side along the optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and The sixth lens.
  • the first lens may have a positive power, and both the object side and the image side may be convex;
  • the second lens may have a negative power;
  • the third lens may have a negative power, and the image side may be a concave surface;
  • the fourth lens has a power;
  • the fifth lens has a power, and the image side may be a convex surface;
  • the sixth lens has a power, and the object side may be a concave surface.
  • the maximum half angle of view HFOV of the optical imaging lens can satisfy HFOV ⁇ 30°.
  • the effective focal length f1 of the first lens and the center thickness CT4 of the fourth lens on the optical axis may satisfy f1/CT4 > Further, the effective focal length f1 of the first lens and the center thickness CT4 of the fourth lens on the optical axis may satisfy 11 ⁇ f1/CT4 ⁇ 15.
  • the radius of curvature R2 of the image side of the first lens and the radius of curvature R1 of the object side of the first lens may satisfy 1 ⁇ (R2-R1)/(R2+R1) ⁇ 1.5.
  • the total effective focal length f of the optical imaging lens and the effective focal length f1 of the first lens may satisfy 2 ⁇ f/f1 ⁇ 2.5.
  • the total effective focal length f of the optical imaging lens and the effective focal length f2 of the second lens may satisfy -1.3 ⁇ f / f2 ⁇ - 0.3.
  • the radius of curvature R6 of the image side of the third lens and the total effective focal length f of the optical imaging lens may satisfy 0.2 ⁇ R6 / f ⁇ 1.2.
  • the effective focal length f3 of the third lens and the total effective focal length f of the optical imaging lens may satisfy -2.2 ⁇ f3 / f ⁇ -0.6.
  • the radius of curvature R10 of the image side of the fifth lens and the radius of curvature R11 of the object side of the sixth lens may satisfy 0.5 ⁇ (R10 - R11) / (R10 + R11) ⁇ 1.5.
  • the sixth lens may have a negative power, and its effective focal length f6 and the total effective focal length f of the optical imaging lens may satisfy -1.6 ⁇ f6 / f ⁇ -0.6.
  • the separation distance T56 of the fifth lens and the sixth lens on the optical axis and the center thickness CT6 of the sixth lens on the optical axis may satisfy 2 ⁇ T56/CT6 ⁇ 3.5.
  • the center thickness CT1 of the first lens on the optical axis and the center thickness CT3 of the third lens on the optical axis may satisfy 3.7 ⁇ CT1/CT3 ⁇ 4.7.
  • the separation distance T23 of the second lens and the third lens on the optical axis and the center thickness CT2 of the second lens on the optical axis may satisfy 0.5 ⁇ T23/CT2 ⁇ 1.8.
  • the distance TTL between the third lens and the fourth lens on the optical axis and the distance from the center of the object side of the first lens to the imaging surface of the optical imaging lens on the optical axis may satisfy 0.5 ⁇ T34/ TTL*10 ⁇ 1.
  • the present application provides an optical imaging lens including, in order from the object side to the image side along the optical axis, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. And a sixth lens.
  • the first lens may have a positive power, and both the object side and the image side may be convex;
  • the second lens may have a negative power;
  • the third lens may have a negative power, and the image side may be a concave surface;
  • the fourth lens has a power;
  • the fifth lens has a power, and the image side may be a convex surface;
  • the sixth lens has a power, and the object side may be a concave surface.
  • the effective focal length f3 of the third lens and the total effective focal length f of the optical imaging lens can satisfy -2.2 ⁇ f3 / f ⁇ -0.6.
  • the present application provides an optical imaging lens including, in order from the object side to the image side along the optical axis, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. And a sixth lens.
  • the first lens may have a positive power, and both the object side and the image side may be convex;
  • the second lens may have a negative power;
  • the third lens may have a negative power, and the image side may be a concave surface;
  • the fourth lens has a power;
  • the fifth lens has a power, and the image side may be a convex surface;
  • the sixth lens has a power, and the object side may be a concave surface.
  • the total effective focal length f of the optical imaging lens and the effective focal length f1 of the first lens can satisfy 2 ⁇ f/f1 ⁇ 2.5.
  • the present application provides an optical imaging lens including, in order from the object side to the image side along the optical axis, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. And a sixth lens.
  • the first lens may have a positive power, and both the object side and the image side may be convex;
  • the second lens may have a negative power;
  • the third lens may have a negative power, and the image side may be a concave surface;
  • the fourth lens has a power;
  • the fifth lens has a power, and the image side may be a convex surface;
  • the sixth lens has a power, and the object side may be a concave surface.
  • the separation distance T56 of the fifth lens and the sixth lens on the optical axis and the center thickness CT6 of the sixth lens on the optical axis may satisfy 2 ⁇ T56/CT6 ⁇ 3.5.
  • the present application provides an optical imaging lens including, in order from the object side to the image side along the optical axis, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. And a sixth lens.
  • the first lens may have a positive power, and both the object side and the image side may be convex;
  • the second lens may have a negative power;
  • the third lens may have a negative power, and the image side may be a concave surface;
  • the fourth lens has a power;
  • the fifth lens has a power, and the image side may be a convex surface;
  • the sixth lens has a power, and the object side may be a concave surface.
  • the distance T23 between the second lens and the third lens on the optical axis and the center thickness CT2 of the second lens on the optical axis may satisfy 0.5 ⁇ T23/CT2 ⁇ 1.8.
  • the present application provides an optical imaging lens including, in order from the object side to the image side along the optical axis, a first lens, a second lens, a third lens, a fourth lens, and a fifth lens. And a sixth lens.
  • the first lens may have a positive power, and both the object side and the image side may be convex;
  • the second lens may have a negative power;
  • the third lens may have a negative power, and the image side may be a concave surface;
  • the fourth lens has a power;
  • the fifth lens has a power, and the image side may be a convex surface;
  • the sixth lens has a power, and the object side may be a concave surface.
  • the radius of curvature R10 of the image side surface of the fifth lens and the radius of curvature R11 of the object side surface of the sixth lens may satisfy 0.5 ⁇ (R10-R11)/(R10+R11) ⁇ 1.5.
  • the present application employs a plurality of (for example, six) lenses, and the optical imaging lens has a small size by appropriately distributing the power, the surface shape, the center thickness of each lens, and the on-axis spacing between the lenses. At least one beneficial effect, such as long distance, high focal length, and high image quality.
  • FIG. 1 is a schematic structural view of an optical imaging lens according to Embodiment 1 of the present application.
  • 2A to 2D respectively show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve of the optical imaging lens of Embodiment 1;
  • FIG. 3 is a schematic structural view of an optical imaging lens according to Embodiment 2 of the present application.
  • 4A to 4D respectively show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve of the optical imaging lens of Embodiment 2.
  • FIG. 5 is a schematic structural view of an optical imaging lens according to Embodiment 3 of the present application.
  • 6A to 6D respectively show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve of the optical imaging lens of Embodiment 3.
  • FIG. 7 is a schematic structural view of an optical imaging lens according to Embodiment 4 of the present application.
  • 8A to 8D respectively show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve of the optical imaging lens of Example 4;
  • FIG. 9 is a schematic structural view of an optical imaging lens according to Embodiment 5 of the present application.
  • 10A to 10D respectively show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve of the optical imaging lens of Example 5;
  • FIG. 11 is a schematic structural view of an optical imaging lens according to Embodiment 6 of the present application.
  • 12A to 12D respectively show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve of the optical imaging lens of Example 6;
  • FIG. 13 is a schematic structural view of an optical imaging lens according to Embodiment 7 of the present application.
  • 14A to 14D respectively show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve of the optical imaging lens of Embodiment 7;
  • FIG. 15 is a schematic structural view of an optical imaging lens according to Embodiment 8 of the present application.
  • 16A to 16D respectively show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve of the optical imaging lens of Embodiment 8;
  • FIG. 17 is a schematic structural view of an optical imaging lens according to Embodiment 9 of the present application.
  • 18A to 18D respectively show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve of the optical imaging lens of Example 9;
  • FIG. 19 is a schematic structural view of an optical imaging lens according to Embodiment 10 of the present application.
  • 20A to 20D respectively show an axial chromatic aberration curve, an astigmatism curve, a distortion curve, and a magnification chromatic aberration curve of the optical imaging lens of Example 10.
  • first, second, third, etc. are used to distinguish one feature from another, and do not represent any limitation of the feature.
  • first lens discussed below may also be referred to as a second lens or a third lens without departing from the teachings of the present application.
  • the thickness, size, and shape of the lens have been somewhat exaggerated for convenience of explanation.
  • the spherical or aspherical shape shown in the drawings is shown by way of example. That is, the shape of the spherical surface or the aspherical surface is not limited to the spherical or aspherical shape shown in the drawings.
  • the drawings are only examples and are not to scale.
  • a paraxial region refers to a region near the optical axis. If the surface of the lens is convex and the position of the convex surface is not defined, it indicates that the surface of the lens is convex at least in the paraxial region; if the surface of the lens is concave and the position of the concave surface is not defined, it indicates that the surface of the lens is at least in the paraxial region. Concave.
  • the surface of each lens that is close to the object is referred to as the object side of the lens, and the surface of each lens that is close to the imaging surface is referred to as the image side of the lens.
  • the optical imaging lens may include, for example, six lenses having powers, that is, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens.
  • the six lenses are sequentially arranged from the object side to the image side along the optical axis.
  • the first lens may have a positive power
  • the object side may be a convex surface
  • the image side may be a convex surface
  • the second lens may have a negative power
  • the third lens may have a negative power
  • the image side may be a concave surface
  • the fourth lens has a positive power or a negative power
  • the fifth lens has a positive power or a negative power
  • the image side may be a convex surface
  • the sixth lens has a positive power or a negative optical focus Degree, the image side can be concave.
  • the image side of the fourth lens may be a concave surface.
  • the sixth lens may have a negative power, and the image side may be a concave surface.
  • the optical imaging lens of the present application may satisfy the conditional HFOV ⁇ 30°, where HFOV is the maximum half angle of view of the optical imaging lens. More specifically, HFOV can further satisfy HFOV ⁇ 25°, for example, 24.1 ° ⁇ HFOV ⁇ 24.2 °. Reasonable control of the maximum half-angle of the optical imaging lens enables the optical system to meet telephoto characteristics and have a good balance of aberrations.
  • the optical imaging lens of the present application may satisfy the conditional expression f1/CT4>11, where f1 is the effective focal length of the first lens and CT4 is the center thickness of the fourth lens on the optical axis. More specifically, f1 and CT4 can further satisfy 11 ⁇ f1/CT4 ⁇ 15, for example, 11.20 ⁇ f1/CT4 ⁇ 13.45.
  • the ratio of the effective focal length of the first lens to the center thickness of the fourth lens is reasonably controlled so that the optical system satisfies the telephoto characteristics and has a good balance aberration. And it can reasonably control the main light deflection angle, improve the matching degree between the lens and the chip, and is beneficial to adjust the structure of the optical system.
  • the optical imaging lens of the present application may satisfy the conditional expression -1.3 ⁇ f / f2 ⁇ -0.3, where f is the total effective focal length of the optical imaging lens and f2 is the effective focal length of the second lens. More specifically, f and f2 can further satisfy -1.18 ⁇ f / f2 ⁇ -0.47.
  • Properly setting the effective focal length of the second lens helps to increase the focal length of the optical system and achieve the telephoto characteristics of the lens. And the effective focal length of the second lens is reasonably set, and the position of the light can be effectively adjusted, which is advantageous for shortening the total length of the optical imaging lens.
  • the optical imaging lens of the present application may satisfy the conditional expression -2.2 ⁇ f3 / f ⁇ -0.6, where f3 is the effective focal length of the third lens and f is the total effective focal length of the optical imaging lens. More specifically, f3 and f can further satisfy -2.11 ⁇ f3 / f ⁇ -0.73. Reasonable selection of the effective focal length of the third lens can achieve the telephoto characteristics of the lens while correcting the aberration. And it helps to properly shorten the total length of the optical system to meet the requirements of thinness and lightness.
  • the optical imaging lens of the present application may satisfy Conditional Formula ⁇ f/f1 ⁇ 2.5, where f is the total effective focal length of the optical imaging lens, and f1 is the effective focal length of the first lens. More specifically, f and f1 can further satisfy 2.26 ⁇ f / f1 ⁇ 2.35. Properly setting the effective focal length of the first lens helps to achieve the telephoto characteristics of the lens. Moreover, reasonable control of the power of the first lens can improve the convergence ability of the imaging system to light, and adjust the focus position of the light, thereby contributing to shortening the total length of the system.
  • the optical imaging lens of the present application may satisfy the conditional expression ⁇ R2-R1)/(R2+R1) ⁇ 1.5, where R2 is the radius of curvature of the image side of the first lens, and R1 is the first The radius of curvature of the object side of a lens. More specifically, R2 and R1 may further satisfy 1.15 ⁇ (R2-R1) / (R2 + R1) ⁇ 1.45. Reasonably distributing the radius of curvature of the object side and the image side of the first lens helps to adjust the power distribution on both sides of the first lens, which is advantageous for improving the balance of the optical system.
  • the optical imaging lens of the present application may satisfy the conditional expression 0.2 ⁇ R6/f ⁇ 1.2, where R6 is the radius of curvature of the image side of the third lens, and f is the total effective focal length of the optical imaging lens. More specifically, R6 and f can further satisfy 0.31 ⁇ R6 / f ⁇ 1.03. Reasonably arranging the radius of curvature of the side surface of the third lens image can effectively balance the astigmatism of the system, shorten the back focus of the system, and further ensure the miniaturization of the optical system.
  • the optical imaging lens of the present application may satisfy the conditional expression 3.7 ⁇ CT1/CT3 ⁇ 4.7, where CT1 is the center thickness of the first lens on the optical axis, and CT3 is the third lens on the optical axis. Center thickness. More specifically, CT1 and CT3 can further satisfy 3.91 ⁇ CT1/CT3 ⁇ 4.52. Reasonably controlling the ratio of the center thickness of the first lens to the center thickness of the third lens can effectively reduce the size of the optical system and avoid excessive system volume, and at the same time, can effectively reduce the assembly difficulty of the lens and achieve high space utilization.
  • the optical imaging lens of the present application may satisfy the conditional expression 2 ⁇ T56/CT6 ⁇ 3.5, where T56 is the separation distance of the fifth lens and the sixth lens on the optical axis, and CT6 is the sixth lens.
  • Reasonably controlling the ratio of the air gap of the fifth lens and the sixth lens on the optical axis to the center thickness of the sixth lens can effectively reduce the size of the system and realize the telephoto characteristics of the lens. At the same time, it is beneficial to adjust the structure of the system and reduce the difficulty of lens processing and assembly.
  • the optical imaging lens of the present application may satisfy the conditional expression -1.6 ⁇ f6 / f ⁇ -0.6, where f6 is the effective focal length of the sixth lens and f is the total effective focal length of the optical imaging lens. More specifically, f6 and f further satisfy -1.3 ⁇ f6 / f ⁇ -1.0, for example, -1.26 ⁇ f6 / f ⁇ -1.03. Properly setting the effective focal length of the sixth lens is beneficial to increasing the focal length of the optical system and ensuring the telephoto characteristics of the system.
  • the optical imaging lens of the present application may satisfy the conditional expression 0.5 ⁇ T34/TTL*10 ⁇ 1, where T34 is the separation distance of the third lens and the fourth lens on the optical axis, and the TTL is the first The distance from the center of the object side of the lens to the imaging surface of the optical imaging lens on the optical axis. More specifically, T34 and TTL can further satisfy 0.64 ⁇ T34 / TTL * 10 ⁇ 0.92.
  • the optical imaging lens of the present application may satisfy the conditional expression 0.5 ⁇ T23/CT2 ⁇ 1.8, where T23 is the separation distance of the second lens and the third lens on the optical axis, and CT2 is the second lens The center thickness on the optical axis. More specifically, T23 and CT2 can further satisfy 0.58 ⁇ T23 / CT2 ⁇ 1.76.
  • the optical imaging lens of the present application may satisfy the conditional expression 0.5 ⁇ (R10-R11)/(R10+R11) ⁇ 1.5, where R10 is the radius of curvature of the image side of the fifth lens, and R11 is the first The radius of curvature of the object side of the six lens. More specifically, R10 and R11 may further satisfy 0.6 ⁇ (R10 - R11) / (R10 + R11) ⁇ 1.1, for example, 0.65 ⁇ (R10 - R11) / (R10 + R11) ⁇ 1.00.
  • the radius of curvature of the fifth lens image side and the sixth lens object side is reasonably distributed, and the image side of the fifth lens is convex, and the object side of the sixth lens is concave, which is advantageous for the optical system to better match the chief ray of the chip. angle.
  • the optical imaging lens described above may further include at least one aperture to enhance the imaging quality of the lens.
  • the diaphragm may be disposed at any position as needed, for example, the diaphragm may be disposed between the object side and the first lens.
  • the above optical imaging lens may further include a filter for correcting the color deviation and/or a cover glass for protecting the photosensitive element on the imaging surface.
  • the present application proposes a six-piece telephoto lens using an aspherical surface.
  • the wide-angle and telephoto lens cooperate to achieve zooming purposes.
  • a magnification and a good quality image can be obtained, which is suitable for shooting distant objects.
  • the lens of the present application effectively reduces the volume of the imaging lens and reduces the sensitivity of the imaging lens by appropriately distributing the power, the surface shape, the center thickness of each lens, and the on-axis spacing between the lenses. Improving the processability of the imaging lens makes the optical imaging lens more advantageous for production processing and can be applied to portable electronic products.
  • At least one of the mirror faces of each lens is an aspherical mirror.
  • the aspherical lens is characterized by a continuous change in curvature from the center of the lens to the periphery of the lens. Unlike a spherical lens having a constant curvature from the center of the lens to the periphery of the lens, the aspherical lens has better curvature radius characteristics, and has the advantages of improving distortion and improving astigmatic aberration. With an aspherical lens, the aberrations that occur during imaging can be eliminated as much as possible, improving image quality.
  • optical imaging lens is not limited to including six lenses.
  • the optical imaging lens can also include other numbers of lenses if desired.
  • FIG. 1 is a block diagram showing the structure of an optical imaging lens according to Embodiment 1 of the present application.
  • an optical imaging lens sequentially includes an aperture STO, a first lens E1, a second lens E2, and a third lens E3, along the optical axis from the object side to the image side.
  • the first lens E1 has a positive refractive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a convex surface.
  • the second lens E2 has a negative refractive power, the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a negative refractive power, the object side surface S5 is a convex surface, and the image side surface S6 is a concave surface.
  • the fourth lens E4 has a negative refractive power, the object side surface S7 is a convex surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive refractive power
  • the object side surface S9 is a convex surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative refractive power
  • the object side surface S11 is a concave surface
  • the image side surface S12 is a concave surface.
  • the filter E7 has an object side surface S13 and an image side surface S14. Light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging plane S15.
  • Table 1 shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens of the optical imaging lens of Example 1, in which the unit of curvature radius and thickness are all millimeters (mm).
  • each aspherical lens can be defined by using, but not limited to, the following aspherical formula:
  • x is the distance of the aspherical surface at height h from the optical axis, and the distance from the aspherical vertex is high;
  • k is the conic coefficient (given in Table 1);
  • Ai is the correction coefficient of the a-th order of the aspherical surface.
  • Table 2 gives the high order term coefficients A 4 , A 6 , A 8 , A 10 , A 12 , A 14 and A 16 which can be used for the respective aspherical mirror faces S1 - S12 in the embodiment 1.
  • Table 3 gives the effective focal lengths f1 to f6 of the lenses in Embodiment 1, the total effective focal length f of the optical imaging lens, the distance from the center of the object side surface S1 of the first lens E1 to the imaging plane S15 on the optical axis, and optical imaging.
  • the maximum half angle of view of the lens is HFOV.
  • the optical imaging lens of Embodiment 1 satisfies:
  • F1/CT4 11.57, where f1 is the effective focal length of the first lens E1, and CT4 is the center thickness of the fourth lens E4 on the optical axis;
  • f/f2 -1.18, where f is the total effective focal length of the optical imaging lens, and f2 is the effective focal length of the second lens E2;
  • F3/f -2.02, where f3 is the effective focal length of the third lens E3, and f is the total effective focal length of the optical imaging lens;
  • f/f1 2.29, where f is the total effective focal length of the optical imaging lens, and f1 is the effective focal length of the first lens E1;
  • R2-R1)/(R2+R1) 1.19, where R2 is the radius of curvature of the image side surface S2 of the first lens E1, and R1 is the radius of curvature of the object side surface S1 of the first lens E1;
  • R6/f 0.42, where R6 is the radius of curvature of the image side surface S6 of the third lens E3, and f is the total effective focal length of the optical imaging lens;
  • CT1/CT3 4.01, where CT1 is the center thickness of the first lens E1 on the optical axis, and CT3 is the center thickness of the third lens E3 on the optical axis;
  • T56/CT6 2.61
  • T56 is the separation distance of the fifth lens E5 and the sixth lens E6 on the optical axis
  • CT6 is the center thickness of the sixth lens E6 on the optical axis
  • F6/f -1.09, where f6 is the effective focal length of the sixth lens E6, and f is the total effective focal length of the optical imaging lens;
  • T34 / TTL * 10 0.74, wherein T34 is the separation distance of the third lens E3 and the fourth lens E4 on the optical axis, TTL is the center of the object side surface S1 of the first lens E1 to the imaging plane S15 on the optical axis distance;
  • T23/CT2 1.48, where T23 is the separation distance of the second lens E2 and the third lens E3 on the optical axis, and CT2 is the center thickness of the second lens E2 on the optical axis;
  • R10-R11 is the radius of curvature of the image side surface S10 of the fifth lens E5
  • R11 is the radius of curvature of the object side surface S11 of the sixth lens E6.
  • 2A shows an axial chromatic aberration curve of the optical imaging lens of Embodiment 1, which indicates that light of different wavelengths is deviated from a focus point after the lens.
  • 2B shows an astigmatism curve of the optical imaging lens of Embodiment 1, which shows meridional field curvature and sagittal image plane curvature.
  • 2C shows a distortion curve of the optical imaging lens of Embodiment 1, which shows distortion magnitude values in the case of different viewing angles.
  • 2D shows a magnification chromatic aberration curve of the optical imaging lens of Embodiment 1, which indicates a deviation of different image heights on the imaging plane after the light passes through the lens.
  • the optical imaging lens given in Embodiment 1 can achieve good imaging quality.
  • FIG. 3 is a block diagram showing the structure of an optical imaging lens according to Embodiment 2 of the present application.
  • an optical imaging lens sequentially includes an aperture STO, a first lens E1, a second lens E2, and a third lens E3, along the optical axis from the object side to the image side.
  • the first lens E1 has a positive refractive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a convex surface.
  • the second lens E2 has a negative refractive power, the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a negative refractive power, the object side surface S5 is a convex surface, and the image side surface S6 is a concave surface.
  • the fourth lens E4 has a positive refractive power, the object side surface S7 is a convex surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive refractive power
  • the object side surface S9 is a convex surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative refractive power
  • the object side surface S11 is a concave surface
  • the image side surface S12 is a concave surface.
  • the filter E7 has an object side surface S13 and an image side surface S14. Light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging plane S15.
  • Table 4 shows the surface type, the radius of curvature, the thickness, the material, and the conical coefficient of each lens of the optical imaging lens of Example 2, wherein the units of the radius of curvature and the thickness are each mm (mm).
  • the object side surface and the image side surface of any one of the first lens E1 to the sixth lens E6 are aspherical.
  • Table 5 shows the high order coefficient which can be used for each aspherical mirror in Embodiment 2, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Table 6 gives the effective focal lengths f1 to f6 of the lenses in Embodiment 2, the total effective focal length f of the optical imaging lens, the distance from the center of the object side surface S1 of the first lens E1 to the imaging plane S15 on the optical axis, and optical imaging.
  • the maximum half angle of view of the lens is HFOV.
  • 4A shows an axial chromatic aberration curve of the optical imaging lens of Embodiment 2, which shows that light of different wavelengths is deviated from a focus point after the lens.
  • 4B shows an astigmatism curve of the optical imaging lens of Embodiment 2, which shows meridional field curvature and sagittal image plane curvature.
  • 4C shows a distortion curve of the optical imaging lens of Embodiment 2, which shows distortion magnitude values in the case of different viewing angles.
  • 4D shows a magnification chromatic aberration curve of the optical imaging lens of Embodiment 2, which shows deviations of different image heights on the imaging plane after the light passes through the lens.
  • the optical imaging lens given in Embodiment 2 can achieve good imaging quality.
  • FIG. 5 is a block diagram showing the structure of an optical imaging lens according to Embodiment 3 of the present application.
  • an optical imaging lens sequentially includes an aperture STO, a first lens E1, a second lens E2, and a third lens E3, along the optical axis from the object side to the image side.
  • the first lens E1 has a positive refractive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a convex surface.
  • the second lens E2 has a negative refractive power, the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a negative refractive power, the object side surface S5 is a convex surface, and the image side surface S6 is a concave surface.
  • the fourth lens E4 has a negative refractive power, the object side surface S7 is a convex surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a negative refractive power
  • the object side surface S9 is a concave surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative refractive power
  • the object side surface S11 is a concave surface
  • the image side surface S12 is a concave surface.
  • the filter E7 has an object side surface S13 and an image side surface S14. Light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging plane S15.
  • Table 7 shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens of the optical imaging lens of Example 3, wherein the units of the radius of curvature and the thickness are all in millimeters (mm).
  • the object side surface and the image side surface of any one of the first lens E1 to the sixth lens E6 are aspherical.
  • Table 8 shows the high order term coefficients which can be used for the respective aspherical mirrors in Embodiment 3, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Table 9 gives the effective focal lengths f1 to f6 of the lenses in Embodiment 3, the total effective focal length f of the optical imaging lens, the distance from the center of the object side surface S1 of the first lens E1 to the imaging plane S15 on the optical axis, and optical imaging.
  • the maximum half angle of view of the lens is HFOV.
  • Fig. 6A shows an axial chromatic aberration curve of the optical imaging lens of Embodiment 3, which shows that light of different wavelengths is deviated from a focus point after the lens.
  • Fig. 6B shows an astigmatism curve of the optical imaging lens of Embodiment 3, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 6C shows a distortion curve of the optical imaging lens of Embodiment 3, which shows distortion magnitude values in the case of different viewing angles.
  • Fig. 6D shows a magnification chromatic aberration curve of the optical imaging lens of Embodiment 3, which shows deviations of different image heights on the imaging plane after the light passes through the lens. 6A to 6D, the optical imaging lens given in Embodiment 3 can achieve good imaging quality.
  • FIG. 7 is a block diagram showing the structure of an optical imaging lens according to Embodiment 4 of the present application.
  • an optical imaging lens sequentially includes an aperture STO, a first lens E1, a second lens E2, and a third lens E3, along the optical axis from the object side to the image side.
  • the first lens E1 has a positive refractive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a convex surface.
  • the second lens E2 has a negative refractive power, the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a negative refractive power, the object side surface S5 is a convex surface, and the image side surface S6 is a concave surface.
  • the fourth lens E4 has a negative refractive power, the object side surface S7 is a concave surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive refractive power
  • the object side surface S9 is a convex surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative refractive power
  • the object side surface S11 is a concave surface
  • the image side surface S12 is a concave surface.
  • the filter E7 has an object side surface S13 and an image side surface S14. Light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging plane S15.
  • Table 10 shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens of the optical imaging lens of Example 4, in which the unit of curvature radius and thickness are both millimeters (mm).
  • the object side surface and the image side surface of any one of the first lens E1 to the sixth lens E6 are aspherical.
  • Table 11 shows the high order coefficient which can be used for each aspherical mirror in Embodiment 4, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Table 12 gives the effective focal lengths f1 to f6 of the lenses in Embodiment 4, the total effective focal length f of the optical imaging lens, the distance from the center of the object side surface S1 of the first lens E1 to the imaging plane S15 on the optical axis, and optical imaging.
  • the maximum half angle of view of the lens is HFOV.
  • Fig. 8A shows an axial chromatic aberration curve of the optical imaging lens of Embodiment 4, which shows that light of different wavelengths is deviated from the focus point after the lens.
  • Fig. 8B shows an astigmatism curve of the optical imaging lens of Embodiment 4, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 8C shows a distortion curve of the optical imaging lens of Embodiment 4, which shows distortion magnitude values in the case of different viewing angles.
  • Fig. 8D shows a magnification chromatic aberration curve of the optical imaging lens of Embodiment 4, which shows deviations of different image heights on the imaging plane after the light passes through the lens. 8A to 8D, the optical imaging lens given in Embodiment 4 can achieve good imaging quality.
  • FIG. 9 is a block diagram showing the structure of an optical imaging lens according to Embodiment 5 of the present application.
  • an optical imaging lens includes, in order from an object side to an image side along an optical axis, a stop STO, a first lens E1, a second lens E2, and a third lens E3, Four lenses E4, fifth lens E5, sixth lens E6, filter E7, and imaging surface S15.
  • the first lens E1 has a positive refractive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a convex surface.
  • the second lens E2 has a negative refractive power, the object side surface S3 is a concave surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a negative refractive power, the object side surface S5 is a convex surface, and the image side surface S6 is a concave surface.
  • the fourth lens E4 has a negative refractive power, the object side surface S7 is a convex surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive refractive power
  • the object side surface S9 is a convex surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative refractive power
  • the object side surface S11 is a concave surface
  • the image side surface S12 is a concave surface.
  • the filter E7 has an object side surface S13 and an image side surface S14. Light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging plane S15.
  • Table 13 shows the surface type, the radius of curvature, the thickness, the material, and the conical coefficient of each lens of the optical imaging lens of Example 5, wherein the units of the radius of curvature and the thickness are all in millimeters (mm).
  • the object side surface and the image side surface of any one of the first lens E1 to the sixth lens E6 are aspherical.
  • Table 14 shows the high order coefficient which can be used for each aspherical mirror surface in Embodiment 5, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Table 15 gives the effective focal lengths f1 to f6 of the lenses in Embodiment 5, the total effective focal length f of the optical imaging lens, the distance from the center of the object side surface S1 of the first lens E1 to the imaging plane S15 on the optical axis, and optical imaging.
  • the maximum half angle of view of the lens is HFOV.
  • Fig. 10A shows an axial chromatic aberration curve of the optical imaging lens of Embodiment 5, which shows that light of different wavelengths is deviated from a focus point after passing through the lens.
  • Fig. 10B shows an astigmatism curve of the optical imaging lens of Embodiment 5, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 10C shows a distortion curve of the optical imaging lens of Embodiment 5, which shows the distortion magnitude value in the case of different viewing angles.
  • Fig. 10D shows a magnification chromatic aberration curve of the optical imaging lens of Embodiment 5, which shows deviations of different image heights on the imaging plane after the light passes through the lens. 10A to 10D, the optical imaging lens given in Embodiment 5 can achieve good imaging quality.
  • FIG. 11 is a view showing the configuration of an optical imaging lens according to Embodiment 6 of the present application.
  • an optical imaging lens sequentially includes an aperture STO, a first lens E1, a second lens E2, and a third lens E3, along the optical axis from the object side to the image side.
  • the first lens E1 has a positive refractive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a convex surface.
  • the second lens E2 has a negative refractive power, the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a negative refractive power, the object side surface S5 is a concave surface, and the image side surface S6 is a concave surface.
  • the fourth lens E4 has a negative refractive power, the object side surface S7 is a convex surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive refractive power
  • the object side surface S9 is a convex surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative refractive power
  • the object side surface S11 is a concave surface
  • the image side surface S12 is a concave surface.
  • the filter E7 has an object side surface S13 and an image side surface S14. Light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging plane S15.
  • Table 16 shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens of the optical imaging lens of Example 6, wherein the units of the radius of curvature and the thickness are each mm (mm).
  • the object side surface and the image side surface of any one of the first lens E1 to the sixth lens E6 are aspherical.
  • Table 17 shows the high order coefficient which can be used for each aspherical mirror surface in Embodiment 6, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Table 18 gives the effective focal lengths f1 to f6 of the lenses in Embodiment 6, the total effective focal length f of the optical imaging lens, the distance from the center of the object side surface S1 of the first lens E1 to the imaging plane S15 on the optical axis, and optical imaging.
  • the maximum half angle of view of the lens is HFOV.
  • Fig. 12A shows an axial chromatic aberration curve of the optical imaging lens of Example 6, which shows that light of different wavelengths is deviated from the focus point after the lens.
  • Fig. 12B shows an astigmatism curve of the optical imaging lens of Example 6, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 12C shows a distortion curve of the optical imaging lens of Embodiment 6, which shows the distortion magnitude value in the case of different viewing angles.
  • Fig. 12D shows a magnification chromatic aberration curve of the optical imaging lens of Embodiment 6, which shows the deviation of different image heights on the imaging plane after the light passes through the lens. 12A to 12D, the optical imaging lens given in Embodiment 6 can achieve good imaging quality.
  • FIG. 13 is a view showing the configuration of an optical imaging lens according to Embodiment 7 of the present application.
  • an optical imaging lens sequentially includes an aperture STO, a first lens E1, a second lens E2, and a third lens E3, along the optical axis from the object side to the image side.
  • the first lens E1 has a positive refractive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a convex surface.
  • the second lens E2 has a negative refractive power, the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a negative refractive power, the object side surface S5 is a convex surface, and the image side surface S6 is a concave surface.
  • the fourth lens E4 has a negative refractive power, the object side surface S7 is a concave surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive refractive power
  • the object side surface S9 is a concave surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative refractive power
  • the object side surface S11 is a concave surface
  • the image side surface S12 is a concave surface.
  • the filter E7 has an object side surface S13 and an image side surface S14. Light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging plane S15.
  • Table 19 shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens of the optical imaging lens of Example 7, wherein the units of the radius of curvature and the thickness are each mm (mm).
  • the object side surface and the image side surface of any one of the first lens E1 to the sixth lens E6 are aspherical.
  • Table 20 shows the high order term coefficients which can be used for the respective aspherical mirrors in Embodiment 7, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Table 21 gives the effective focal lengths f1 to f6 of the lenses in Embodiment 7, the total effective focal length f of the optical imaging lens, the distance from the center of the object side surface S1 of the first lens E1 to the imaging plane S15 on the optical axis, and optical imaging.
  • the maximum half angle of view of the lens is HFOV.
  • Fig. 14A shows an axial chromatic aberration curve of the optical imaging lens of Embodiment 7, which indicates that light of different wavelengths is deviated from a focus point after the lens.
  • Fig. 14B shows an astigmatism curve of the optical imaging lens of Embodiment 7, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 14C shows a distortion curve of the optical imaging lens of Embodiment 7, which shows the distortion magnitude value in the case of different viewing angles.
  • Fig. 14D shows a magnification chromatic aberration curve of the optical imaging lens of Embodiment 7, which shows the deviation of the different image heights on the imaging plane after the light passes through the lens. 14A to 14D, the optical imaging lens given in Embodiment 7 can achieve good imaging quality.
  • FIG. 15 is a view showing the configuration of an optical imaging lens according to Embodiment 8 of the present application.
  • an optical imaging lens sequentially includes an aperture STO, a first lens E1, a second lens E2, and a third lens E3, along the optical axis from the object side to the image side.
  • the first lens E1 has a positive refractive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a convex surface.
  • the second lens E2 has a negative refractive power, the object side surface S3 is a concave surface, and the image side surface S4 is a convex surface.
  • the third lens E3 has a negative refractive power, the object side surface S5 is a convex surface, and the image side surface S6 is a concave surface.
  • the fourth lens E4 has a negative refractive power, the object side surface S7 is a convex surface, and the image side surface S8 is a concave surface.
  • the fifth lens E5 has a positive refractive power
  • the object side surface S9 is a convex surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative refractive power
  • the object side surface S11 is a concave surface
  • the image side surface S12 is a concave surface.
  • the filter E7 has an object side surface S13 and an image side surface S14. Light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging plane S15.
  • Table 22 shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens of the optical imaging lens of Example 8, wherein the units of the radius of curvature and the thickness are each mm (mm).
  • the object side surface and the image side surface of any one of the first lens E1 to the sixth lens E6 are aspherical.
  • Table 23 shows the high order term coefficients which can be used for the respective aspherical mirrors in Embodiment 8, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Table 24 gives the effective focal lengths f1 to f6 of the lenses in Embodiment 8, the total effective focal length f of the optical imaging lens, the distance from the center of the object side surface S1 of the first lens E1 to the imaging plane S15 on the optical axis, and optical imaging.
  • the maximum half angle of view of the lens is HFOV.
  • Fig. 16A shows an axial chromatic aberration curve of the optical imaging lens of Embodiment 8, which indicates that light of different wavelengths is deviated from a focus point after the lens.
  • Fig. 16B shows an astigmatism curve of the optical imaging lens of Embodiment 8, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 16C shows a distortion curve of the optical imaging lens of Embodiment 8, which shows distortion magnitude values in the case of different viewing angles.
  • Fig. 16D shows a magnification chromatic aberration curve of the optical imaging lens of Embodiment 8, which shows the deviation of the different image heights on the imaging plane after the light passes through the lens. 16A to 16D, the optical imaging lens given in Embodiment 8 can achieve good imaging quality.
  • FIG. 17 is a view showing the configuration of an optical imaging lens according to Embodiment 9 of the present application.
  • an optical imaging lens sequentially includes an aperture STO, a first lens E1, a second lens E2, and a third lens E3, along the optical axis from the object side to the image side.
  • the first lens E1 has a positive refractive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a convex surface.
  • the second lens E2 has a negative refractive power, the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a negative refractive power, the object side surface S5 is a convex surface, and the image side surface S6 is a concave surface.
  • the fourth lens E4 has a negative refractive power, the object side surface S7 is a concave surface, and the image side surface S8 is a convex surface.
  • the fifth lens E5 has a positive refractive power
  • the object side surface S9 is a convex surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative refractive power
  • the object side surface S11 is a concave surface
  • the image side surface S12 is a concave surface.
  • the filter E7 has an object side surface S13 and an image side surface S14. Light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging plane S15.
  • Table 25 shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens of the optical imaging lens of Example 9, in which the unit of curvature radius and thickness are both millimeters (mm).
  • the object side surface and the image side surface of any one of the first lens E1 to the sixth lens E6 are aspherical.
  • Table 26 shows the high order coefficient which can be used for each aspherical mirror surface in Embodiment 9, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Table 27 gives the effective focal lengths f1 to f6 of the lenses in Embodiment 9, the total effective focal length f of the optical imaging lens, the distance from the center of the object side surface S1 of the first lens E1 to the imaging plane S15 on the optical axis, and optical imaging.
  • the maximum half angle of view of the lens is HFOV.
  • Fig. 18A shows an axial chromatic aberration curve of the optical imaging lens of Example 9, which shows that light of different wavelengths is deviated from the focus point after the lens.
  • Fig. 18B shows an astigmatism curve of the optical imaging lens of Example 9, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 18C shows a distortion curve of the optical imaging lens of Embodiment 9, which shows the distortion magnitude value in the case of different viewing angles.
  • Fig. 18D shows a magnification chromatic aberration curve of the optical imaging lens of Embodiment 9, which shows the deviation of the different image heights on the imaging plane after the light passes through the lens.
  • the optical imaging lens given in Embodiment 9 can achieve good imaging quality.
  • FIG. 19 is a view showing the configuration of an optical imaging lens according to Embodiment 10 of the present application.
  • an optical imaging lens sequentially includes an aperture STO, a first lens E1, a second lens E2, and a third lens E3, along the optical axis from the object side to the image side.
  • the first lens E1 has a positive refractive power, and the object side surface S1 is a convex surface, and the image side surface S2 is a convex surface.
  • the second lens E2 has a negative refractive power, the object side surface S3 is a convex surface, and the image side surface S4 is a concave surface.
  • the third lens E3 has a negative refractive power, the object side surface S5 is a convex surface, and the image side surface S6 is a concave surface.
  • the fourth lens E4 has a negative refractive power, the object side surface S7 is a concave surface, and the image side surface S8 is a convex surface.
  • the fifth lens E5 has a positive refractive power
  • the object side surface S9 is a concave surface
  • the image side surface S10 is a convex surface.
  • the sixth lens E6 has a negative refractive power
  • the object side surface S11 is a concave surface
  • the image side surface S12 is a concave surface.
  • the filter E7 has an object side surface S13 and an image side surface S14. Light from the object sequentially passes through the respective surfaces S1 to S14 and is finally imaged on the imaging plane S15.
  • Table 28 shows the surface type, the radius of curvature, the thickness, the material, and the conical coefficient of each lens of the optical imaging lens of Example 10, wherein the units of the radius of curvature and the thickness are each mm (mm).
  • the object side surface and the image side surface of any one of the first lens E1 to the sixth lens E6 are aspherical.
  • Table 29 shows the high order coefficient which can be used for each aspherical mirror surface in Embodiment 10, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Table 30 gives the effective focal lengths f1 to f6 of the lenses in Embodiment 10, the total effective focal length f of the optical imaging lens, the distance from the center of the object side surface S1 of the first lens E1 to the imaging plane S15 on the optical axis, and optical imaging.
  • the maximum half angle of view of the lens is HFOV.
  • Fig. 20A shows an axial chromatic aberration curve of the optical imaging lens of Embodiment 10, which shows that light of different wavelengths is deviated from the focus point after the lens.
  • Fig. 20B shows an astigmatism curve of the optical imaging lens of Embodiment 10, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 20C shows a distortion curve of the optical imaging lens of Embodiment 10, which shows the distortion magnitude value in the case of different viewing angles.
  • Fig. 20D shows a magnification chromatic aberration curve of the optical imaging lens of Embodiment 10, which shows deviations of different image heights on the imaging plane after the light passes through the lens.
  • the optical imaging lens given in Embodiment 10 can achieve good imaging quality.
  • Embodiments 1 to 10 satisfy the relationship shown in Table 31, respectively.
  • the present application also provides an image forming apparatus whose electronic photosensitive element may be a photosensitive coupling element (CCD) or a complementary metal oxide semiconductor element (CMOS).
  • the imaging device may be a stand-alone imaging device such as a digital camera, or an imaging module integrated on a mobile electronic device such as a mobile phone.
  • the imaging device is equipped with the optical imaging lens described above.

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Abstract

一种光学成像镜头,该光学成像镜头沿着光轴由物侧至像侧依序包括:第一透镜(E1)、第二透镜(E2)、第三透镜(E3)、第四透镜(E4)、第五透镜(E5)和第六透镜(E6)。其中,第一透镜(E1)具有正光焦度,其物侧面(S1)和像侧面(S2)均为凸面;第二透镜(E2)具有负光焦度;第三透镜(E3)具有负光焦度,其像侧面(S6)为凹面;第四透镜(E4)具有光焦度;第五透镜(E5)具有光焦度,其像侧面(S10)为凸面;第六透镜(E6)具有光焦度,其物侧面(S11)为凹面。光学成像镜头的最大半视场角HFOV满足HFOV<30°。

Description

光学成像镜头
相关申请的交叉引用
本申请要求于2018年4月3日提交于中国国家知识产权局(CNIPA)的、专利申请号为201810290945.X的中国专利申请的优先权和权益,该中国专利申请通过引用整体并入本文。
技术领域
本申请涉及一种光学成像镜头,更具体地,本申请涉及一种包括六片透镜的光学成像镜头。
背景技术
随着例如智能手机的便携式电子产品的快速发展,人们希望使用便携式电子设备就能在野外实现对较远距离景物的拍摄需求,并且可以达到突出主体,虚化背景的效果。这就要求镜头在具有长焦特性的同时,还需要具备小型化特性和高成像品质。然而,现有的长焦镜头通常会通过增加透镜片数以实现高成像质量,因而尺寸较大,无法同时满足长焦、小型化与高成像质量的要求。
发明内容
本申请提供了可适用于便携式电子产品的、可至少解决或部分解决现有技术中的上述至少一个缺点的光学成像镜头。
一方面,本申请提供了这样一种光学成像镜头,该镜头沿着光轴由物侧至像侧依序包括:第一透镜、第二透镜、第三透镜、第四透镜、第五透镜和第六透镜。其中,第一透镜可具有正光焦度,其物侧面和像侧面均可为凸面;第二透镜可具有负光焦度;第三透镜可具有负光焦度,其像侧面可为凹面;第四透镜具有光焦度;第五透镜具有光焦度,其像侧面可为凸面;第六透镜具有光焦度,其物侧面可为凹面。其中,光学成像镜头的最大半视场角HFOV可满足HFOV<30°。
在一个实施方式中,第一透镜的有效焦距f1与第四透镜于光轴上 的中心厚度CT4可满足f1/CT4>11。进一步地,第一透镜的有效焦距f1与第四透镜于光轴上的中心厚度CT4可满足11<f1/CT4<15。
在一个实施方式中,第一透镜的像侧面的曲率半径R2与第一透镜的物侧面的曲率半径R1可满足1<(R2-R1)/(R2+R1)<1.5。
在一个实施方式中,光学成像镜头的总有效焦距f与第一透镜的有效焦距f1可满足2<f/f1<2.5。
在一个实施方式中,光学成像镜头的总有效焦距f与第二透镜的有效焦距f2可满足-1.3<f/f2<-0.3。
在一个实施方式中,第三透镜的像侧面的曲率半径R6与光学成像镜头的总有效焦距f可满足0.2<R6/f<1.2。
在一个实施方式中,第三透镜的有效焦距f3与光学成像镜头的总有效焦距f可满足-2.2<f3/f<-0.6。
在一个实施方式中,第五透镜的像侧面的曲率半径R10与第六透镜的物侧面的曲率半径R11可满足0.5<(R10-R11)/(R10+R11)<1.5。
在一个实施方式中,第六透镜可具有负光焦度,其有效焦距f6与光学成像镜头的总有效焦距f可满足-1.6<f6/f<-0.6。
在一个实施方式中,第五透镜和第六透镜在光轴上的间隔距离T56与第六透镜于光轴上的中心厚度CT6可满足2<T56/CT6<3.5。
在一个实施方式中,第一透镜于光轴上的中心厚度CT1与第三透镜于光轴上的中心厚度CT3可满足3.7<CT1/CT3<4.7。
在一个实施方式中,第二透镜和第三透镜在光轴上的间隔距离T23与第二透镜于光轴上的中心厚度CT2可满足0.5<T23/CT2<1.8。
在一个实施方式中,第三透镜和第四透镜在光轴上的间隔距离T34与第一透镜的物侧面的中心至光学成像镜头的成像面在光轴上的距离TTL可满足0.5<T34/TTL*10<1。
另一方面,本申请提供了这样一种光学成像镜头,该镜头沿着光轴由物侧至像侧依序包括:第一透镜、第二透镜、第三透镜、第四透镜、第五透镜和第六透镜。其中,第一透镜可具有正光焦度,其物侧面和像侧面均可为凸面;第二透镜可具有负光焦度;第三透镜可具有负光焦度,其像侧面可为凹面;第四透镜具有光焦度;第五透镜具有 光焦度,其像侧面可为凸面;第六透镜具有光焦度,其物侧面可为凹面。其中,第三透镜的有效焦距f3与光学成像镜头的总有效焦距f可满足-2.2<f3/f<-0.6。
另一方面,本申请提供了这样一种光学成像镜头,该镜头沿着光轴由物侧至像侧依序包括:第一透镜、第二透镜、第三透镜、第四透镜、第五透镜和第六透镜。其中,第一透镜可具有正光焦度,其物侧面和像侧面均可为凸面;第二透镜可具有负光焦度;第三透镜可具有负光焦度,其像侧面可为凹面;第四透镜具有光焦度;第五透镜具有光焦度,其像侧面可为凸面;第六透镜具有光焦度,其物侧面可为凹面。其中,光学成像镜头的总有效焦距f与第一透镜的有效焦距f1可满足2<f/f1<2.5。
又一方面,本申请提供了这样一种光学成像镜头,该镜头沿着光轴由物侧至像侧依序包括:第一透镜、第二透镜、第三透镜、第四透镜、第五透镜和第六透镜。其中,第一透镜可具有正光焦度,其物侧面和像侧面均可为凸面;第二透镜可具有负光焦度;第三透镜可具有负光焦度,其像侧面可为凹面;第四透镜具有光焦度;第五透镜具有光焦度,其像侧面可为凸面;第六透镜具有光焦度,其物侧面可为凹面。其中,第五透镜和第六透镜在光轴上的间隔距离T56与第六透镜于光轴上的中心厚度CT6可满足2<T56/CT6<3.5。
又一方面,本申请提供了这样一种光学成像镜头,该镜头沿着光轴由物侧至像侧依序包括:第一透镜、第二透镜、第三透镜、第四透镜、第五透镜和第六透镜。其中,第一透镜可具有正光焦度,其物侧面和像侧面均可为凸面;第二透镜可具有负光焦度;第三透镜可具有负光焦度,其像侧面可为凹面;第四透镜具有光焦度;第五透镜具有光焦度,其像侧面可为凸面;第六透镜具有光焦度,其物侧面可为凹面。其中,第二透镜和第三透镜在光轴上的间隔距离T23与第二透镜于光轴上的中心厚度CT2可满足0.5<T23/CT2<1.8。
又一方面,本申请提供了这样一种光学成像镜头,该镜头沿着光轴由物侧至像侧依序包括:第一透镜、第二透镜、第三透镜、第四透镜、第五透镜和第六透镜。其中,第一透镜可具有正光焦度,其物侧 面和像侧面均可为凸面;第二透镜可具有负光焦度;第三透镜可具有负光焦度,其像侧面可为凹面;第四透镜具有光焦度;第五透镜具有光焦度,其像侧面可为凸面;第六透镜具有光焦度,其物侧面可为凹面。其中,第五透镜的像侧面的曲率半径R10与第六透镜的物侧面的曲率半径R11可满足0.5<(R10-R11)/(R10+R11)<1.5。
本申请采用了多片(例如,六片)透镜,通过合理分配各透镜的光焦度、面型、各透镜的中心厚度以及各透镜之间的轴上间距等,使得上述光学成像镜头具有小型化、长焦距、高成像品质等至少一个有益效果。
附图说明
结合附图,通过以下非限制性实施方式的详细描述,本申请的其他特征、目的和优点将变得更加明显。在附图中:
图1示出了根据本申请实施例1的光学成像镜头的结构示意图;
图2A至图2D分别示出了实施例1的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线;
图3示出了根据本申请实施例2的光学成像镜头的结构示意图;
图4A至图4D分别示出了实施例2的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线;
图5示出了根据本申请实施例3的光学成像镜头的结构示意图;
图6A至图6D分别示出了实施例3的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线;
图7示出了根据本申请实施例4的光学成像镜头的结构示意图;
图8A至图8D分别示出了实施例4的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线;
图9示出了根据本申请实施例5的光学成像镜头的结构示意图;
图10A至图10D分别示出了实施例5的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线;
图11示出了根据本申请实施例6的光学成像镜头的结构示意图;
图12A至图12D分别示出了实施例6的光学成像镜头的轴上色差 曲线、象散曲线、畸变曲线以及倍率色差曲线;
图13示出了根据本申请实施例7的光学成像镜头的结构示意图;
图14A至图14D分别示出了实施例7的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线;
图15示出了根据本申请实施例8的光学成像镜头的结构示意图;
图16A至图16D分别示出了实施例8的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线;
图17示出了根据本申请实施例9的光学成像镜头的结构示意图;
图18A至图18D分别示出了实施例9的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线;
图19示出了根据本申请实施例10的光学成像镜头的结构示意图;
图20A至图20D分别示出了实施例10的光学成像镜头的轴上色差曲线、象散曲线、畸变曲线以及倍率色差曲线。
具体实施方式
为了更好地理解本申请,将参考附图对本申请的各个方面做出更详细的说明。应理解,这些详细说明只是对本申请的示例性实施方式的描述,而非以任何方式限制本申请的范围。在说明书全文中,相同的附图标号指代相同的元件。表述“和/或”包括相关联的所列项目中的一个或多个的任何和全部组合。
应注意,在本说明书中,第一、第二、第三等的表述仅用于将一个特征与另一个特征区分开来,而不表示对特征的任何限制。因此,在不背离本申请的教导的情况下,下文中讨论的第一透镜也可被称作第二透镜或第三透镜。
在附图中,为了便于说明,已稍微夸大了透镜的厚度、尺寸和形状。具体来讲,附图中所示的球面或非球面的形状通过示例的方式示出。即,球面或非球面的形状不限于附图中示出的球面或非球面的形状。附图仅为示例而并非严格按比例绘制。
在本文中,近轴区域是指光轴附近的区域。若透镜表面为凸面且未界定该凸面位置时,则表示该透镜表面至少于近轴区域为凸面;若 透镜表面为凹面且未界定该凹面位置时,则表示该透镜表面至少于近轴区域为凹面。每个透镜中靠近物体的表面称为该透镜的物侧面,每个透镜中靠近成像面的表面称为该透镜的像侧面。
还应理解的是,用语“包括”、“包括有”、“具有”、“包含”和/或“包含有”,当在本说明书中使用时表示存在所陈述的特征、元件和/或部件,但不排除存在或附加有一个或多个其它特征、元件、部件和/或它们的组合。此外,当诸如“...中的至少一个”的表述出现在所列特征的列表之后时,修饰整个所列特征,而不是修饰列表中的单独元件。此外,当描述本申请的实施方式时,使用“可”表示“本申请的一个或多个实施方式”。并且,用语“示例性的”旨在指代示例或举例说明。
除非另外限定,否则本文中使用的所有用语(包括技术用语和科学用语)均具有与本申请所属领域普通技术人员的通常理解相同的含义。还应理解的是,用语(例如在常用词典中定义的用语)应被解释为具有与它们在相关技术的上下文中的含义一致的含义,并且将不被以理想化或过度正式意义解释,除非本文中明确如此限定。
需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本申请。
以下对本申请的特征、原理和其他方面进行详细描述。
根据本申请示例性实施方式的光学成像镜头可包括例如六片具有光焦度的透镜,即,第一透镜、第二透镜、第三透镜、第四透镜、第五透镜和第六透镜。这六片透镜沿着光轴由物侧至像侧依序排列。
在示例性实施方式中,第一透镜可具有正光焦度,其物侧面可为凸面,像侧面可为凸面;第二透镜可具有负光焦度;第三透镜可具有负光焦度,其像侧面可为凹面;第四透镜具有正光焦度或负光焦度;第五透镜具有正光焦度或负光焦度,其像侧面可为凸面;第六透镜具有正光焦度或负光焦度,其像侧面可为凹面。
在示例性实施方式中,第四透镜的像侧面可为凹面。
在示例性实施方式中,第六透镜可具有负光焦度,其像侧面可为凹面。
在示例性实施方式中,本申请的光学成像镜头可满足条件式HFOV<30°,其中,HFOV为光学成像镜头的最大半视场角。更具体地,HFOV进一步可满足HFOV<25°,例如,24.1°≤HFOV≤24.2°。合理控制光学成像镜头的最大半视场角,使光学系统满足长焦特性并具有较好的平衡像差的能力。
在示例性实施方式中,本申请的光学成像镜头可满足条件式f1/CT4>11,其中,f1为第一透镜的有效焦距,CT4为第四透镜于光轴上的中心厚度。更具体地,f1和CT4进一步可满足11<f1/CT4<15,例如,11.20≤f1/CT4≤13.45。合理控制第一透镜的有效焦距与第四透镜的中心厚度的比值,使光学系统满足长焦特性并具有较好的平衡像差的能力。并且能合理控制主光线偏转角度,提高镜头与芯片的匹配程度,有利于调整光学系统的结构。
在示例性实施方式中,本申请的光学成像镜头可满足条件式-1.3<f/f2<-0.3,其中,f为光学成像镜头的总有效焦距,f2为第二透镜的有效焦距。更具体地,f和f2进一步可满足-1.18≤f/f2≤-0.47。合理设置第二透镜的有效焦距,有助于增大光学系统的焦距,实现镜头的长焦特性。并且合理设置第二透镜的有效焦距,能够有效地调整光线位置,有利于缩短光学成像镜头的总长。
在示例性实施方式中,本申请的光学成像镜头可满足条件式-2.2<f3/f<-0.6,其中,f3为第三透镜的有效焦距,f为光学成像镜头的总有效焦距。更具体地,f3和f进一步可满足-2.11≤f3/f≤-0.73。合理选择第三透镜的有效焦距,可以在校正像差的同时,实现镜头的长焦特性。并且有助于适当缩短光学系统的总长,满足轻薄的要求。
在示例性实施方式中,本申请的光学成像镜头可满足条件式2<f/f1<2.5,其中,f为光学成像镜头的总有效焦距,f1为第一透镜的有效焦距。更具体地,f和f1进一步可满足2.26≤f/f1≤2.35。合理设置第一透镜的有效焦距,有助于实现镜头的长焦特性。并且,合理控制第一镜头的光焦度,能够提升成像系统对光线的会聚能力,调整光线的聚焦位置,从而有利于缩短系统的总长。
在示例性实施方式中,本申请的光学成像镜头可满足条件式1< (R2-R1)/(R2+R1)<1.5,其中,R2为第一透镜的像侧面的曲率半径,R1为第一透镜的物侧面的曲率半径。更具体地,R2和R1进一步可满足1.15≤(R2-R1)/(R2+R1)≤1.45。合理分配第一透镜的物侧面和像侧面的曲率半径,有助于调整第一透镜两侧的光焦度分布,有利于提高光学系统平衡象散的能力。
在示例性实施方式中,本申请的光学成像镜头可满足条件式0.2<R6/f<1.2,其中,R6为第三透镜的像侧面的曲率半径,f为光学成像镜头的总有效焦距。更具体地,R6和f进一步可满足0.31≤R6/f≤1.03。合理布置第三透镜像侧面的曲率半径,可有效地平衡系统的象散,缩短系统的后焦距,进一步确保光学系统的小型化。
在示例性实施方式中,本申请的光学成像镜头可满足条件式3.7<CT1/CT3<4.7,其中,CT1为第一透镜于光轴上的中心厚度,CT3为第三透镜于光轴上的中心厚度。更具体地,CT1和CT3进一步可满足3.91≤CT1/CT3≤4.52。合理控制第一透镜的中心厚度和第三透镜的中心厚度的比值,能有效缩小光学系统的尺寸,避免系统体积过大,同时,能有效降低镜片的组装难度并实现较高的空间利用率。
在示例性实施方式中,本申请的光学成像镜头可满足条件式2<T56/CT6<3.5,其中,T56为第五透镜和第六透镜在光轴上的间隔距离,CT6为第六透镜于光轴上的中心厚度。更具体地,T56和CT6进一步可满足2.02≤T56/CT6≤3.39。合理控制第五透镜和第六透镜在光轴上的空气间隔与第六透镜的中心厚度的比值,能有效地缩小系统的尺寸,并实现镜头的长焦特性。同时,有利于调整系统的结构,降低镜片加工和组装的难度。
在示例性实施方式中,本申请的光学成像镜头可满足条件式-1.6<f6/f<-0.6,其中,f6为第六透镜的有效焦距,f为光学成像镜头的总有效焦距。更具体地,f6和f进一步可满足-1.3<f6/f<-1.0,例如,-1.26≤f6/f≤-1.03。合理设置第六透镜的有效焦距,有利于增大光学系统的焦距,保证系统的长焦特性。
在示例性实施方式中,本申请的光学成像镜头可满足条件式0.5<T34/TTL*10<1,其中,T34为第三透镜和第四透镜在光轴上的间隔 距离,TTL为第一透镜的物侧面的中心至光学成像镜头的成像面在光轴上的距离。更具体地,T34和TTL进一步可满足0.64≤T34/TTL*10≤0.92。合理控制第三透镜和第四透镜在光轴上的空气间隔与第一透镜物侧面至成像面的轴上距离的比值,有助于确保光学系统具有轻薄特性和长焦特性,使得该成像镜头能配合广角镜头应用于高性能的便携式电子产品。
在示例性实施方式中,本申请的光学成像镜头可满足条件式0.5<T23/CT2<1.8,其中,T23为第二透镜和第三透镜在光轴上的间隔距离,CT2为第二透镜于光轴上的中心厚度。更具体地,T23和CT2进一步可满足0.58≤T23/CT2≤1.76。合理控制第二透镜和第三透镜在光轴上的空气间隔与第二透镜的中心厚度的比值,使透镜间具有足够的间隔空间,从而使透镜表面可以具有更高的变化自由度,并以此来提升系统校正象散和场曲的能力。
在示例性实施方式中,本申请的光学成像镜头可满足条件式0.5<(R10-R11)/(R10+R11)<1.5,其中,R10为第五透镜的像侧面的曲率半径,R11为第六透镜的物侧面的曲率半径。更具体地,R10和R11进一步可满足0.6<(R10-R11)/(R10+R11)<1.1,例如,0.65≤(R10-R11)/(R10+R11)≤1.00。合理分配第五透镜像侧面和第六透镜物侧面的曲率半径,并使得第五透镜的像侧面为凸面,第六透镜的物侧面为凹面,有利于使得光学系统更好地匹配芯片的主光线角度。
在示例性实施方式中,上述光学成像镜头还可包括至少一个光阑,以提升镜头的成像质量。光阑可根据需要设置在任意位置处,例如,光阑可设置在物侧与第一透镜之间。
可选地,上述光学成像镜头还可包括用于校正色彩偏差的滤光片和/或用于保护位于成像面上的感光元件的保护玻璃。
本申请提出了一种采用非球面的六片式长焦镜头,广角与长焦镜头配合达到变焦目的,在自动对焦情况下可得到放大倍率以及质量良好的像,适合于拍摄较远处的对象。同时,本申请的镜头通过合理分配各透镜的光焦度、面型、各透镜的中心厚度以及各透镜之间的轴上间距等,有效地缩小成像镜头的体积、降低成像镜头的敏感度并提高 成像镜头的可加工性,使得光学成像镜头更有利于生产加工并且可适用于便携式电子产品。
在本申请的实施方式中,各透镜的镜面中的至少一个为非球面镜面。非球面透镜的特点是:从透镜中心到透镜周边,曲率是连续变化的。与从透镜中心到透镜周边具有恒定曲率的球面透镜不同,非球面透镜具有更佳的曲率半径特性,具有改善歪曲像差及改善像散像差的优点。采用非球面透镜后,能够尽可能地消除在成像的时候出现的像差,从而改善成像质量。
然而,本领域的技术人员应当理解,在未背离本申请要求保护的技术方案的情况下,可改变构成光学成像镜头的透镜数量,来获得本说明书中描述的各个结果和优点。例如,虽然在实施方式中以六个透镜为例进行了描述,但是该光学成像镜头不限于包括六个透镜。如果需要,该光学成像镜头还可包括其它数量的透镜。
下面参照附图进一步描述可适用于上述实施方式的光学成像镜头的具体实施例。
实施例1
以下参照图1至图2D描述根据本申请实施例1的光学成像镜头。图1示出了根据本申请实施例1的光学成像镜头的结构示意图。
如图1所示,根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括:光阑STO、第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、滤光片E7和成像面S15。
第一透镜E1具有正光焦度,其物侧面S1为凸面,像侧面S2为凸面。第二透镜E2具有负光焦度,其物侧面S3为凸面,像侧面S4为凹面。第三透镜E3具有负光焦度,其物侧面S5为凸面,像侧面S6为凹面。第四透镜E4具有负光焦度,其物侧面S7为凸面,像侧面S8为凹面。第五透镜E5具有正光焦度,其物侧面S9为凸面,像侧面S10为凸面。第六透镜E6具有负光焦度,其物侧面S11为凹面,像侧面S12为凹面。滤光片E7具有物侧面S13和像侧面S14。来自物体的光依序穿过各表面S1至S14并最终成像在成像面S15上。
表1示出了实施例1的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数,其中,曲率半径和厚度的单位均为毫米(mm)。
Figure PCTCN2018114513-appb-000001
表1
由表1可知,第一透镜E1至第六透镜E6中的任意一个透镜的物侧面和像侧面均为非球面。在本实施例中,各非球面透镜的面型x可利用但不限于以下非球面公式进行限定:
Figure PCTCN2018114513-appb-000002
其中,x为非球面沿光轴方向在高度为h的位置时,距非球面顶点的距离矢高;c为非球面的近轴曲率,c=1/R(即,近轴曲率c为上表1中曲率半径R的倒数);k为圆锥系数(在表1中已给出);Ai是非球面第i-th阶的修正系数。下表2给出了可用于实施例1中各非球面镜面S1-S12的高次项系数A 4、A 6、A 8、A 10、A 12、A 14和A 16
面号 A4 A6 A8 A10 A12 A14 A16
S1 -3.3000E-05 -3.8000E-04 -1.3200E-03 1.8850E-03 -1.1200E-03 0.0000E+00 0.0000E+00
S2 -3.4060E-02 1.6155E-01 -1.7972E-01 9.0023E-02 -1.7410E-02 0.0000E+00 0.0000E+00
S3 -7.3060E-02 2.8158E-01 -2.9510E-01 1.4921E-01 -3.0130E-02 0.0000E+00 0.0000E+00
S4 -2.6070E-02 2.2900E-01 -2.1304E-01 2.0822E-01 -1.0240E-01 0.0000E+00 0.0000E+00
S5 3.4922E-02 1.0536E-01 3.0041E-02 3.8359E-02 -2.3730E-02 0.0000E+00 0.0000E+00
S6 4.9369E-02 -4.3800E-03 2.7969E-01 -3.3530E-01 3.1260E-01 0.0000E+00 0.0000E+00
S7 -2.2039E-01 -2.1000E-01 1.1998E-01 1.8118E-01 -2.3412E-01 0.0000E+00 0.0000E+00
S8 -9.8820E-02 -2.5617E-01 4.0034E-01 -2.4276E-01 5.7410E-02 0.0000E+00 0.0000E+00
S9 -2.3540E-02 1.1236E-01 -7.7670E-02 2.0927E-02 -2.1400E-03 0.0000E+00 0.0000E+00
S10 -2.9630E-02 1.7046E-01 -1.0765E-01 2.7372E-02 -2.6500E-03 0.0000E+00 0.0000E+00
S11 -2.4012E-01 1.8785E-01 -1.1397E-01 4.4626E-02 -9.6600E-03 1.0820E-03 -5.0674E-05
S12 -1.6920E-01 8.6130E-02 -3.2230E-02 4.1790E-03 1.3340E-03 -5.7000E-04 6.1371E-05
表2
表3给出实施例1中各透镜的有效焦距f1至f6、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1的中心至成像面S15在光轴上的距离TTL以及光学成像镜头的最大半视场角HFOV。
f1(mm) 2.66 f6(mm) -6.61
f2(mm) -5.14 f(mm) 6.08
f3(mm) -12.29 TTL(mm) 5.41
f4(mm) -8.00 HFOV(°) 24.1
f5(mm) 8.56
表3
实施例1中的光学成像镜头满足:
f1/CT4=11.57,其中,f1为第一透镜E1的有效焦距,CT4为第四透镜E4于光轴上的中心厚度;
f/f2=-1.18,其中,f为光学成像镜头的总有效焦距,f2为第二透镜E2的有效焦距;
f3/f=-2.02,其中,f3为第三透镜E3的有效焦距,f为光学成像镜头的总有效焦距;
f/f1=2.29,其中,f为光学成像镜头的总有效焦距,f1为第一透镜E1的有效焦距;
(R2-R1)/(R2+R1)=1.19,其中,R2为第一透镜E1的像侧面S2的曲率半径,R1为第一透镜E1的物侧面S1的曲率半径;
R6/f=0.42,其中,R6为第三透镜E3的像侧面S6的曲率半径,f为光学成像镜头的总有效焦距;
CT1/CT3=4.01,其中,CT1为第一透镜E1于光轴上的中心厚度,CT3为第三透镜E3于光轴上的中心厚度;
T56/CT6=2.61,其中,T56为第五透镜E5和第六透镜E6在光轴上的间隔距离,CT6为第六透镜E6于光轴上的中心厚度;
f6/f=-1.09,其中,f6为第六透镜E6的有效焦距,f为光学成像镜头的总有效焦距;
T34/TTL*10=0.74,其中,T34为第三透镜E3和第四透镜E4在光轴上的间隔距离,TTL为第一透镜E1的物侧面S1的中心至成像面S15在光轴上的距离;
T23/CT2=1.48,其中,T23为第二透镜E2和第三透镜E3在光轴上的间隔距离,CT2为第二透镜E2于光轴上的中心厚度;
(R10-R11)/(R10+R11)=0.82,其中,R10为第五透镜E5的像侧面S10的曲率半径,R11为第六透镜E6的物侧面S11的曲率半径。
图2A示出了实施例1的光学成像镜头的轴上色差曲线,其表示不同波长的光线经由镜头后的会聚焦点偏离。图2B示出了实施例1的光学成像镜头的象散曲线,其表示子午像面弯曲和弧矢像面弯曲。图2C示出了实施例1的光学成像镜头的畸变曲线,其表示不同视角情况下的畸变大小值。图2D示出了实施例1的光学成像镜头的倍率色差曲线,其表示光线经由镜头后在成像面上的不同的像高的偏差。根据图2A至图2D可知,实施例1所给出的光学成像镜头能够实现良好的成像品质。
实施例2
以下参照图3至图4D描述根据本申请实施例2的光学成像镜头。在本实施例及以下实施例中,为简洁起见,将省略部分与实施例1相似的描述。图3示出了根据本申请实施例2的光学成像镜头的结构示意图。
如图3所示,根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括:光阑STO、第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、滤光片E7和 成像面S15。
第一透镜E1具有正光焦度,其物侧面S1为凸面,像侧面S2为凸面。第二透镜E2具有负光焦度,其物侧面S3为凸面,像侧面S4为凹面。第三透镜E3具有负光焦度,其物侧面S5为凸面,像侧面S6为凹面。第四透镜E4具有正光焦度,其物侧面S7为凸面,像侧面S8为凹面。第五透镜E5具有正光焦度,其物侧面S9为凸面,像侧面S10为凸面。第六透镜E6具有负光焦度,其物侧面S11为凹面,像侧面S12为凹面。滤光片E7具有物侧面S13和像侧面S14。来自物体的光依序穿过各表面S1至S14并最终成像在成像面S15上。
表4示出了实施例2的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数,其中,曲率半径和厚度的单位均为毫米(mm)。
Figure PCTCN2018114513-appb-000003
表4
由表4可知,在实施例2中,第一透镜E1至第六透镜E6中的任意一个透镜的物侧面和像侧面均为非球面。表5示出了可用于实施例2中各非球面镜面的高次项系数,其中,各非球面面型可由上述实施例1中给出的公式(1)限定。
面号 A4 A6 A8 A10 A12 A14 A16
S1 3.1600E-04 -8.0000E-04 -8.0000E-04 1.9170E-03 -1.1900E-03 0.0000E+00 0.0000E+00
S2 -3.5840E-02 1.5939E-01 -1.7455E-01 8.6221E-02 -1.6330E-02 0.0000E+00 0.0000E+00
S3 -6.9000E-02 2.6589E-01 -2.7525E-01 1.3444E-01 -2.4800E-02 0.0000E+00 0.0000E+00
S4 -8.6700E-03 2.1138E-01 -2.0394E-01 2.2975E-01 -1.1336E-01 0.0000E+00 0.0000E+00
S5 7.3240E-03 1.9937E-01 -1.1949E-01 1.7858E-01 -9.5380E-02 0.0000E+00 0.0000E+00
S6 -5.3200E-03 1.4525E-01 -1.8200E-02 9.7920E-03 8.6850E-02 0.0000E+00 0.0000E+00
S7 -1.5937E-01 -3.2480E-01 1.6759E-01 1.8962E-01 -2.3655E-01 0.0000E+00 0.0000E+00
S8 -1.9280E-02 -4.4455E-01 5.4896E-01 -3.2035E-01 7.8567E-02 0.0000E+00 0.0000E+00
S9 2.4841E-02 6.6141E-02 -5.4530E-02 1.5923E-02 -1.9400E-03 0.0000E+00 0.0000E+00
S10 -3.1630E-02 1.6581E-01 -9.9830E-02 2.4071E-02 -2.2800E-03 0.0000E+00 0.0000E+00
S11 -2.4119E-01 1.8629E-01 -1.3797E-01 6.4838E-02 -1.5660E-02 1.8080E-03 -7.7255E-05
S12 -2.1927E-01 1.6014E-01 -9.9120E-02 3.5682E-02 -6.4600E-03 3.7600E-04 2.1533E-05
表5
表6给出实施例2中各透镜的有效焦距f1至f6、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1的中心至成像面S15在光轴上的距离TTL以及光学成像镜头的最大半视场角HFOV。
f1(mm) 2.67 f6(mm) -6.45
f2(mm) -6.07 f(mm) 6.08
f3(mm) -5.33 TTL(mm) 5.41
f4(mm) 5539.00 HFOV(°) 24.1
f5(mm) 13.17
表6
图4A示出了实施例2的光学成像镜头的轴上色差曲线,其表示不同波长的光线经由镜头后的会聚焦点偏离。图4B示出了实施例2的光学成像镜头的象散曲线,其表示子午像面弯曲和弧矢像面弯曲。图4C示出了实施例2的光学成像镜头的畸变曲线,其表示不同视角情况下的畸变大小值。图4D示出了实施例2的光学成像镜头的倍率色差曲线,其表示光线经由镜头后在成像面上的不同的像高的偏差。根据图4A至图4D可知,实施例2所给出的光学成像镜头能够实现良好的成像品质。
实施例3
以下参照图5至图6D描述了根据本申请实施例3的光学成像镜头。图5示出了根据本申请实施例3的光学成像镜头的结构示意图。
如图5所示,根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括:光阑STO、第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、滤光片E7和成像面S15。
第一透镜E1具有正光焦度,其物侧面S1为凸面,像侧面S2为凸面。第二透镜E2具有负光焦度,其物侧面S3为凸面,像侧面S4为凹面。第三透镜E3具有负光焦度,其物侧面S5为凸面,像侧面S6为凹面。第四透镜E4具有负光焦度,其物侧面S7为凸面,像侧面S8为凹面。第五透镜E5具有负光焦度,其物侧面S9为凹面,像侧面S10为凸面。第六透镜E6具有负光焦度,其物侧面S11为凹面,像侧面S12为凹面。滤光片E7具有物侧面S13和像侧面S14。来自物体的光依序穿过各表面S1至S14并最终成像在成像面S15上。
表7示出了实施例3的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数,其中,曲率半径和厚度的单位均为毫米(mm)。
Figure PCTCN2018114513-appb-000004
表7
由表7可知,在实施例3中,第一透镜E1至第六透镜E6中的任意一个透镜的物侧面和像侧面均为非球面。表8示出了可用于实施例3中各非球面镜面的高次项系数,其中,各非球面面型可由上述实施例1中给出的公式(1)限定。
面号 A4 A6 A8 A10 A12 A14 A16
S1 -6.9000E-04 1.0920E-03 -3.3400E-03 3.6970E-03 -1.9000E-03 0.0000E+00 0.0000E+00
S2 -4.4520E-02 1.9125E-01 -2.2467E-01 1.1920E-01 -2.4250E-02 0.0000E+00 0.0000E+00
S3 -7.5970E-02 3.0284E-01 -3.4380E-01 1.8971E-01 -4.1010E-02 0.0000E+00 0.0000E+00
S4 -1.9600E-02 2.2650E-01 -2.3564E-01 2.3608E-01 -1.1041E-01 0.0000E+00 0.0000E+00
S5 3.5518E-02 1.0623E-01 7.3083E-02 -3.4290E-02 2.0502E-02 0.0000E+00 0.0000E+00
S6 4.2271E-02 -4.6450E-02 4.9789E-01 -7.0055E-01 5.6414E-01 0.0000E+00 0.0000E+00
S7 -1.2636E-01 -5.4103E-01 3.5651E-01 2.3563E-01 -3.3430E-01 0.0000E+00 0.0000E+00
S8 2.3925E-01 -9.5874E-01 1.0848E+00 -5.7816E-01 1.2128E-01 0.0000E+00 0.0000E+00
S9 1.7629E-01 -2.3315E-01 2.2210E-01 -1.0567E-01 1.8185E-02 0.0000E+00 0.0000E+00
S10 -7.4370E-02 1.1135E-01 -1.6040E-02 -1.4270E-02 3.5320E-03 0.0000E+00 0.0000E+00
S11 -2.4320E-01 2.1512E-01 -1.8506E-01 1.0085E-01 -2.9450E-02 4.3560E-03 -2.5937E-04
S12 -1.8846E-01 1.3558E-01 -9.0130E-02 3.5636E-02 -7.6900E-03 7.9300E-04 -2.4734E-05
表8
表9给出实施例3中各透镜的有效焦距f1至f6、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1的中心至成像面S15在光轴上的距离TTL以及光学成像镜头的最大半视场角HFOV。
f1(mm) 2.68 f6(mm) -7.68
f2(mm) -5.91 f(mm) 6.08
f3(mm) -10.40 TTL(mm) 5.41
f4(mm) -37.06 HFOV(°) 24.2
f5(mm) -500.81
表9
图6A示出了实施例3的光学成像镜头的轴上色差曲线,其表示不同波长的光线经由镜头后的会聚焦点偏离。图6B示出了实施例3的光学成像镜头的象散曲线,其表示子午像面弯曲和弧矢像面弯曲。图6C示出了实施例3的光学成像镜头的畸变曲线,其表示不同视角情况下的畸变大小值。图6D示出了实施例3的光学成像镜头的倍率 色差曲线,其表示光线经由镜头后在成像面上的不同的像高的偏差。根据图6A至图6D可知,实施例3所给出的光学成像镜头能够实现良好的成像品质。
实施例4
以下参照图7至图8D描述了根据本申请实施例4的光学成像镜头。图7示出了根据本申请实施例4的光学成像镜头的结构示意图。
如图7所示,根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括:光阑STO、第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、滤光片E7和成像面S15。
第一透镜E1具有正光焦度,其物侧面S1为凸面,像侧面S2为凸面。第二透镜E2具有负光焦度,其物侧面S3为凸面,像侧面S4为凹面。第三透镜E3具有负光焦度,其物侧面S5为凸面,像侧面S6为凹面。第四透镜E4具有负光焦度,其物侧面S7为凹面,像侧面S8为凹面。第五透镜E5具有正光焦度,其物侧面S9为凸面,像侧面S10为凸面。第六透镜E6具有负光焦度,其物侧面S11为凹面,像侧面S12为凹面。滤光片E7具有物侧面S13和像侧面S14。来自物体的光依序穿过各表面S1至S14并最终成像在成像面S15上。
表10示出了实施例4的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数,其中,曲率半径和厚度的单位均为毫米(mm)。
Figure PCTCN2018114513-appb-000005
S8 非球面 33.5598 0.0500 -99.0000
S9 非球面 21.0806 0.2911 1.65 23.5 -99.0000
S10 非球面 -20.0000 1.2436 -99.0000
S11 非球面 -3.7981 0.5581 1.55 56.1 -59.0626
S12 非球面 500.0000 0.2605 -99.0000
S13 球面 无穷 0.1100 1.52 64.2
S14 球面 无穷 0.3995
S15 球面 无穷
表10
由表10可知,在实施例4中,第一透镜E1至第六透镜E6中的任意一个透镜的物侧面和像侧面均为非球面。表11示出了可用于实施例4中各非球面镜面的高次项系数,其中,各非球面面型可由上述实施例1中给出的公式(1)限定。
面号 A4 A6 A8 A10 A12 A14 A16
S1 1.2200E-04 -1.5100E-03 1.1600E-03 -1.6000E-04 -4.9000E-04 0.0000E+00 0.0000E+00
S2 -4.9690E-02 1.9895E-01 -2.2320E-01 1.1665E-01 -2.3940E-02 0.0000E+00 0.0000E+00
S3 -7.7670E-02 3.0537E-01 -3.3110E-01 1.7633E-01 -3.8700E-02 0.0000E+00 0.0000E+00
S4 -1.3860E-02 2.1075E-01 -2.0011E-01 2.1021E-01 -1.0881E-01 0.0000E+00 0.0000E+00
S5 4.0115E-02 7.2387E-02 9.9832E-02 -1.1340E-02 -1.1550E-02 0.0000E+00 0.0000E+00
S6 5.6109E-02 -3.4790E-02 3.1746E-01 -3.1533E-01 2.8285E-01 0.0000E+00 0.0000E+00
S7 -1.3070E-01 -4.1840E-01 2.9452E-01 1.8113E-01 -2.8977E-01 0.0000E+00 0.0000E+00
S8 1.0044E-01 -5.9602E-01 7.3001E-01 -4.1760E-01 9.5158E-02 0.0000E+00 0.0000E+00
S9 4.9088E-02 3.6659E-02 -2.7790E-02 4.2650E-03 -5.6000E-06 0.0000E+00 0.0000E+00
S10 -7.6150E-02 2.0392E-01 -1.1500E-01 2.6777E-02 -2.4000E-03 0.0000E+00 0.0000E+00
S11 -2.4549E-01 1.8184E-01 -9.8340E-02 3.4200E-02 -6.2800E-03 5.1500E-04 -1.0951E-05
S12 -1.6058E-01 6.6488E-02 -1.4330E-02 -3.3300E-03 2.8780E-03 -6.9000E-04 6.0583E-05
表11
表12给出实施例4中各透镜的有效焦距f1至f6、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1的中心至成像面S15在光轴上的距离TTL以及光学成像镜头的最大半视场角HFOV。
f1(mm) 2.65 f6(mm) -6.89
f2(mm) -5.36 f(mm) 6.08
f3(mm) -12.86 TTL(mm) 5.41
f4(mm) -11.66 HFOV(°) 24.2
f5(mm) 15.96
表12
图8A示出了实施例4的光学成像镜头的轴上色差曲线,其表示不同波长的光线经由镜头后的会聚焦点偏离。图8B示出了实施例4的光学成像镜头的象散曲线,其表示子午像面弯曲和弧矢像面弯曲。图8C示出了实施例4的光学成像镜头的畸变曲线,其表示不同视角情况下的畸变大小值。图8D示出了实施例4的光学成像镜头的倍率色差曲线,其表示光线经由镜头后在成像面上的不同的像高的偏差。根据图8A至图8D可知,实施例4所给出的光学成像镜头能够实现良好的成像品质。
实施例5
以下参照图9至图10D描述了根据本申请实施例5的光学成像镜头。图9示出了根据本申请实施例5的光学成像镜头的结构示意图。
如图9所示,根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括:光阑STO、第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、滤光片E7和成像面S15。
第一透镜E1具有正光焦度,其物侧面S1为凸面,像侧面S2为凸面。第二透镜E2具有负光焦度,其物侧面S3为凹面,像侧面S4为凹面。第三透镜E3具有负光焦度,其物侧面S5为凸面,像侧面S6为凹面。第四透镜E4具有负光焦度,其物侧面S7为凸面,像侧面S8为凹面。第五透镜E5具有正光焦度,其物侧面S9为凸面,像侧面S10为凸面。第六透镜E6具有负光焦度,其物侧面S11为凹面,像侧面S12为凹面。滤光片E7具有物侧面S13和像侧面S14。来自物体的光依序穿过各表面S1至S14并最终成像在成像面S15上。
表13示出了实施例5的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数,其中,曲率半径和厚度的单位均为毫米(mm)。
Figure PCTCN2018114513-appb-000006
Figure PCTCN2018114513-appb-000007
表13
由表13可知,在实施例5中,第一透镜E1至第六透镜E6中的任意一个透镜的物侧面和像侧面均为非球面。表14示出了可用于实施例5中各非球面镜面的高次项系数,其中,各非球面面型可由上述实施例1中给出的公式(1)限定。
面号 A4 A6 A8 A10 A12 A14 A16
S1 2.7300E-04 -9.8000E-05 -1.5100E-03 1.8530E-03 -1.0200E-03 0.0000E+00 0.0000E+00
S2 -4.1570E-02 1.9228E-01 -2.1347E-01 1.0707E-01 -2.0850E-02 0.0000E+00 0.0000E+00
S3 -8.4970E-02 3.4526E-01 -3.7248E-01 1.9056E-01 -3.9210E-02 0.0000E+00 0.0000E+00
S4 -4.0640E-02 2.8362E-01 -2.4068E-01 1.7210E-01 -8.3820E-02 0.0000E+00 0.0000E+00
S5 2.5071E-02 1.6503E-01 1.2716E-02 -4.5920E-02 3.3585E-02 0.0000E+00 0.0000E+00
S6 3.8966E-02 5.2233E-02 2.5646E-01 -3.9616E-01 3.4247E-01 0.0000E+00 0.0000E+00
S7 -2.6947E-01 -1.3609E-01 9.2811E-02 1.1214E-01 -2.2482E-01 0.0000E+00 0.0000E+00
S8 -1.2062E-01 -2.4502E-01 4.2099E-01 -3.1734E-01 1.0528E-01 0.0000E+00 0.0000E+00
S9 -6.6000E-03 8.9727E-02 -6.0740E-02 1.5020E-02 -1.4500E-03 0.0000E+00 0.0000E+00
S10 -1.1350E-02 1.7049E-01 -1.1254E-01 2.8983E-02 -2.8400E-03 0.0000E+00 0.0000E+00
S11 -2.4575E-01 1.9915E-01 -1.2906E-01 5.2125E-02 -1.1070E-02 1.1210E-03 -4.0371E-05
S12 -1.7316E-01 9.2369E-02 -3.7050E-02 5.4540E-03 1.3520E-03 -6.3000E-04 6.8432E-05
表14
表15给出实施例5中各透镜的有效焦距f1至f6、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1的中心至成像面S15在光轴上的距离TTL以及光学成像镜头的最大半视场角HFOV。
f1(mm) 2.63 f6(mm) -6.46
f2(mm) -5.16 f(mm) 6.08
f3(mm) -11.59 TTL(mm) 5.41
f4(mm) -7.67 HFOV(°) 24.1
f5(mm) 8.16
表15
图10A示出了实施例5的光学成像镜头的轴上色差曲线,其表示不同波长的光线经由镜头后的会聚焦点偏离。图10B示出了实施例5的光学成像镜头的象散曲线,其表示子午像面弯曲和弧矢像面弯曲。图10C示出了实施例5的光学成像镜头的畸变曲线,其表示不同视角情况下的畸变大小值。图10D示出了实施例5的光学成像镜头的倍率色差曲线,其表示光线经由镜头后在成像面上的不同的像高的偏差。根据图10A至图10D可知,实施例5所给出的光学成像镜头能够实现良好的成像品质。
实施例6
以下参照图11至图12D描述了根据本申请实施例6的光学成像镜头。图11示出了根据本申请实施例6的光学成像镜头的结构示意图。
如图11所示,根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括:光阑STO、第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、滤光片E7和成像面S15。
第一透镜E1具有正光焦度,其物侧面S1为凸面,像侧面S2为凸面。第二透镜E2具有负光焦度,其物侧面S3为凸面,像侧面S4为凹面。第三透镜E3具有负光焦度,其物侧面S5为凹面,像侧面S6为凹面。第四透镜E4具有负光焦度,其物侧面S7为凸面,像侧面S8为凹面。第五透镜E5具有正光焦度,其物侧面S9为凸面,像侧面S10为凸面。第六透镜E6具有负光焦度,其物侧面S11为凹面,像侧面S12为凹面。滤光片E7具有物侧面S13和像侧面S14。来自物体的光依序穿过各表面S1至S14并最终成像在成像面S15上。
表16示出了实施例6的光学成像镜头的各透镜的表面类型、曲率 半径、厚度、材料及圆锥系数,其中,曲率半径和厚度的单位均为毫米(mm)。
Figure PCTCN2018114513-appb-000008
表16
由表16可知,在实施例6中,第一透镜E1至第六透镜E6中的任意一个透镜的物侧面和像侧面均为非球面。表17示出了可用于实施例6中各非球面镜面的高次项系数,其中,各非球面面型可由上述实施例1中给出的公式(1)限定。
面号 A4 A6 A8 A10 A12 A14 A16
S1 -1.6800E-03 3.4950E-03 -7.1200E-03 5.5700E-03 -2.0600E-03 0.0000E+00 0.0000E+00
S2 -3.1730E-02 1.3938E-01 -1.3895E-01 6.0056E-02 -9.7900E-03 0.0000E+00 0.0000E+00
S3 -6.2310E-02 2.2901E-01 -1.9422E-01 7.0602E-02 -8.8200E-03 0.0000E+00 0.0000E+00
S4 -2.2450E-02 1.8536E-01 -1.3747E-01 1.6886E-01 -9.8560E-02 0.0000E+00 0.0000E+00
S5 5.5145E-02 9.1202E-02 1.2963E-01 -1.1003E-01 4.7092E-02 0.0000E+00 0.0000E+00
S6 4.7672E-02 -4.4920E-02 4.3584E-01 -5.7229E-01 3.8165E-01 0.0000E+00 0.0000E+00
S7 -2.0973E-01 -2.4979E-01 2.2628E-01 5.1911E-02 -1.8305E-01 0.0000E+00 0.0000E+00
S8 -8.6370E-02 -2.7208E-01 4.3856E-01 -2.9435E-01 8.0232E-02 0.0000E+00 0.0000E+00
S9 -2.6930E-02 1.0515E-01 -7.1940E-02 2.0759E-02 -2.5300E-03 0.0000E+00 0.0000E+00
S10 -3.2740E-02 1.5455E-01 -9.3030E-02 2.3218E-02 -2.3600E-03 0.0000E+00 0.0000E+00
S11 -2.5440E-01 1.9107E-01 -9.6740E-02 2.9103E-02 -4.1800E-03 1.8600E-04 6.4266E-06
S12 -1.7988E-01 9.7008E-02 -3.8730E-02 8.7680E-03 -7.2000E-04 -1.2000E-04 2.5017E-05
表17
表18给出实施例6中各透镜的有效焦距f1至f6、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1的中心至成像面S15在光轴上的距离TTL以及光学成像镜头的最大半视场角HFOV。
f1(mm) 2.65 f6(mm) -6.26
f2(mm) -5.32 f(mm) 6.08
f3(mm) -11.31 TTL(mm) 5.41
f4(mm) -8.28 HFOV(°) 24.1
f5(mm) 8.62
表18
图12A示出了实施例6的光学成像镜头的轴上色差曲线,其表示不同波长的光线经由镜头后的会聚焦点偏离。图12B示出了实施例6的光学成像镜头的象散曲线,其表示子午像面弯曲和弧矢像面弯曲。图12C示出了实施例6的光学成像镜头的畸变曲线,其表示不同视角情况下的畸变大小值。图12D示出了实施例6的光学成像镜头的倍率色差曲线,其表示光线经由镜头后在成像面上的不同的像高的偏差。根据图12A至图12D可知,实施例6所给出的光学成像镜头能够实现良好的成像品质。
实施例7
以下参照图13至图14D描述了根据本申请实施例7的光学成像镜头。图13示出了根据本申请实施例7的光学成像镜头的结构示意图。
如图13所示,根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括:光阑STO、第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、滤光片E7和成像面S15。
第一透镜E1具有正光焦度,其物侧面S1为凸面,像侧面S2为凸面。第二透镜E2具有负光焦度,其物侧面S3为凸面,像侧面S4为凹面。第三透镜E3具有负光焦度,其物侧面S5为凸面,像侧面S6为凹面。第四透镜E4具有负光焦度,其物侧面S7为凹面,像侧面S8 为凹面。第五透镜E5具有正光焦度,其物侧面S9为凹面,像侧面S10为凸面。第六透镜E6具有负光焦度,其物侧面S11为凹面,像侧面S12为凹面。滤光片E7具有物侧面S13和像侧面S14。来自物体的光依序穿过各表面S1至S14并最终成像在成像面S15上。
表19示出了实施例7的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数,其中,曲率半径和厚度的单位均为毫米(mm)。
Figure PCTCN2018114513-appb-000009
表19
由表19可知,在实施例7中,第一透镜E1至第六透镜E6中的任意一个透镜的物侧面和像侧面均为非球面。表20示出了可用于实施例7中各非球面镜面的高次项系数,其中,各非球面面型可由上述实施例1中给出的公式(1)限定。
面号 A4 A6 A8 A10 A12 A14 A16
S1 -6.6000E-04 -4.0000E-04 -3.7000E-04 1.1020E-03 -9.4000E-04 0.0000E+00 0.0000E+00
S2 -4.9160E-02 1.9938E-01 -2.2582E-01 1.1750E-01 -2.3710E-02 0.0000E+00 0.0000E+00
S3 -7.3360E-02 2.9031E-01 -3.1623E-01 1.6871E-01 -3.6410E-02 0.0000E+00 0.0000E+00
S4 -7.7300E-03 1.8703E-01 -1.8446E-01 2.1659E-01 -1.1304E-01 0.0000E+00 0.0000E+00
S5 5.4174E-02 1.8803E-02 1.8624E-01 -8.3590E-02 2.2956E-02 0.0000E+00 0.0000E+00
S6 7.1153E-02 -1.2875E-01 5.6357E-01 -6.6874E-01 5.2140E-01 0.0000E+00 0.0000E+00
S7 -1.0475E-01 -5.3112E-01 3.2833E-01 3.1546E-01 -3.8015E-01 0.0000E+00 0.0000E+00
S8 1.5322E-01 -7.5787E-01 9.2027E-01 -5.0737E-01 1.0735E-01 0.0000E+00 0.0000E+00
S9 6.3653E-02 2.9655E-02 -2.4540E-02 2.4710E-03 3.4600E-04 0.0000E+00 0.0000E+00
S10 -9.7920E-02 2.2444E-01 -1.2430E-01 2.8794E-02 -2.5700E-03 0.0000E+00 0.0000E+00
S11 -2.5109E-01 1.8670E-01 -1.1169E-01 4.4883E-02 -9.7600E-03 1.0230E-03 -3.8639E-05
S12 -1.7360E-01 8.7620E-02 -3.5710E-02 7.3740E-03 6.8800E-05 -3.3000E-04 4.2791E-05
表20
表21给出实施例7中各透镜的有效焦距f1至f6、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1的中心至成像面S15在光轴上的距离TTL以及光学成像镜头的最大半视场角HFOV。
f1(mm) 2.69 f6(mm) -7.06
f2(mm) -5.72 f(mm) 6.07
f3(mm) -12.31 TTL(mm) 5.41
f4(mm) -16.35 HFOV(°) 24.2
f5(mm) 31.64
表21
图14A示出了实施例7的光学成像镜头的轴上色差曲线,其表示不同波长的光线经由镜头后的会聚焦点偏离。图14B示出了实施例7的光学成像镜头的象散曲线,其表示子午像面弯曲和弧矢像面弯曲。图14C示出了实施例7的光学成像镜头的畸变曲线,其表示不同视角情况下的畸变大小值。图14D示出了实施例7的光学成像镜头的倍率色差曲线,其表示光线经由镜头后在成像面上的不同的像高的偏差。根据图14A至图14D可知,实施例7所给出的光学成像镜头能够实现良好的成像品质。
实施例8
以下参照图15至图16D描述了根据本申请实施例8的光学成像镜头。图15示出了根据本申请实施例8的光学成像镜头的结构示意图。
如图15所示,根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括:光阑STO、第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、滤光片E7和 成像面S15。
第一透镜E1具有正光焦度,其物侧面S1为凸面,像侧面S2为凸面。第二透镜E2具有负光焦度,其物侧面S3为凹面,像侧面S4为凸面。第三透镜E3具有负光焦度,其物侧面S5为凸面,像侧面S6为凹面。第四透镜E4具有负光焦度,其物侧面S7为凸面,像侧面S8为凹面。第五透镜E5具有正光焦度,其物侧面S9为凸面,像侧面S10为凸面。第六透镜E6具有负光焦度,其物侧面S11为凹面,像侧面S12为凹面。滤光片E7具有物侧面S13和像侧面S14。来自物体的光依序穿过各表面S1至S14并最终成像在成像面S15上。
表22示出了实施例8的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数,其中,曲率半径和厚度的单位均为毫米(mm)。
Figure PCTCN2018114513-appb-000010
表22
由表22可知,在实施例8中,第一透镜E1至第六透镜E6中的任意一个透镜的物侧面和像侧面均为非球面。表23示出了可用于实施例8中各非球面镜面的高次项系数,其中,各非球面面型可由上述实施例1中给出的公式(1)限定。
面号 A4 A6 A8 A10 A12 A14 A16
S1 -2.9000E-03 3.8820E-03 -8.4700E-03 7.1290E-03 -2.7600E-03 0.0000E+00 0.0000E+00
S2 -4.4110E-02 1.4978E-01 -1.3843E-01 5.2814E-02 -6.5800E-03 0.0000E+00 0.0000E+00
S3 -6.6580E-02 2.4646E-01 -2.1101E-01 7.8822E-02 -8.7800E-03 0.0000E+00 0.0000E+00
S4 -9.1700E-03 1.6279E-01 -5.7540E-02 1.9613E-02 -2.3410E-02 0.0000E+00 0.0000E+00
S5 5.9172E-02 1.2279E-01 3.0312E-02 -7.6800E-03 -1.3000E-03 0.0000E+00 0.0000E+00
S6 4.3782E-02 2.9529E-02 2.5409E-01 -4.1034E-01 4.1140E-01 0.0000E+00 0.0000E+00
S7 -2.7803E-01 -2.2810E-02 -1.9021E-01 5.0780E-01 -3.9446E-01 0.0000E+00 0.0000E+00
S8 -1.8946E-01 -4.8360E-02 1.9584E-01 -1.3920E-01 3.6491E-02 0.0000E+00 0.0000E+00
S9 -3.1650E-02 1.6497E-01 -1.3188E-01 4.2449E-02 -5.1800E-03 0.0000E+00 0.0000E+00
S10 -5.0900E-03 1.4391E-01 -9.9170E-02 2.6071E-02 -2.5700E-03 0.0000E+00 0.0000E+00
S11 -2.4153E-01 2.1242E-01 -1.4669E-01 6.4479E-02 -1.5780E-02 2.0040E-03 -1.0395E-04
S12 -1.6871E-01 1.0139E-01 -5.0070E-02 1.3150E-02 -1.1400E-03 -1.9000E-04 3.5425E-05
表23
表24给出实施例8中各透镜的有效焦距f1至f6、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1的中心至成像面S15在光轴上的距离TTL以及光学成像镜头的最大半视场角HFOV。
f1(mm) 2.58 f6(mm) -6.30
f2(mm) -12.79 f(mm) 6.07
f3(mm) -4.44 TTL(mm) 5.41
f4(mm) -15.59 HFOV(°) 24.1
f5(mm) 15.30
表24
图16A示出了实施例8的光学成像镜头的轴上色差曲线,其表示不同波长的光线经由镜头后的会聚焦点偏离。图16B示出了实施例8的光学成像镜头的象散曲线,其表示子午像面弯曲和弧矢像面弯曲。图16C示出了实施例8的光学成像镜头的畸变曲线,其表示不同视角情况下的畸变大小值。图16D示出了实施例8的光学成像镜头的倍率色差曲线,其表示光线经由镜头后在成像面上的不同的像高的偏差。根据图16A至图16D可知,实施例8所给出的光学成像镜头能够实现良好的成像品质。
实施例9
以下参照图17至图18D描述了根据本申请实施例9的光学成像镜头。图17示出了根据本申请实施例9的光学成像镜头的结构示意图。
如图17所示,根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括:光阑STO、第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、滤光片E7和成像面S15。
第一透镜E1具有正光焦度,其物侧面S1为凸面,像侧面S2为凸面。第二透镜E2具有负光焦度,其物侧面S3为凸面,像侧面S4为凹面。第三透镜E3具有负光焦度,其物侧面S5为凸面,像侧面S6为凹面。第四透镜E4具有负光焦度,其物侧面S7为凹面,像侧面S8为凸面。第五透镜E5具有正光焦度,其物侧面S9为凸面,像侧面S10为凸面。第六透镜E6具有负光焦度,其物侧面S11为凹面,像侧面S12为凹面。滤光片E7具有物侧面S13和像侧面S14。来自物体的光依序穿过各表面S1至S14并最终成像在成像面S15上。
表25示出了实施例9的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数,其中,曲率半径和厚度的单位均为毫米(mm)。
Figure PCTCN2018114513-appb-000011
表25
由表25可知,在实施例9中,第一透镜E1至第六透镜E6中的任意一个透镜的物侧面和像侧面均为非球面。表26示出了可用于实施例9中各非球面镜面的高次项系数,其中,各非球面面型可由上述实施例1中给出的公式(1)限定。
面号 A4 A6 A8 A10 A12 A14 A16
S1 -2.6000E-05 -2.5000E-04 -9.5000E-04 1.2190E-03 -8.4000E-04 0.0000E+00 0.0000E+00
S2 -3.7810E-02 1.7027E-01 -1.8837E-01 9.4549E-02 -1.8490E-02 0.0000E+00 0.0000E+00
S3 -7.5440E-02 2.9206E-01 -3.0075E-01 1.4931E-01 -3.0550E-02 0.0000E+00 0.0000E+00
S4 -3.0080E-02 2.3667E-01 -2.0426E-01 1.9840E-01 -1.0606E-01 0.0000E+00 0.0000E+00
S5 2.1194E-02 1.3444E-01 4.5304E-02 -1.8490E-02 5.1880E-03 0.0000E+00 0.0000E+00
S6 4.3616E-02 7.3650E-03 3.0956E-01 -4.1171E-01 3.3889E-01 0.0000E+00 0.0000E+00
S7 -1.1059E-01 -3.4304E-01 2.1292E-01 1.2908E-01 -2.4254E-01 0.0000E+00 0.0000E+00
S8 8.1860E-02 -5.1165E-01 5.8069E-01 -3.3510E-01 8.4556E-02 0.0000E+00 0.0000E+00
S9 7.0254E-02 -3.2700E-03 1.9020E-03 -5.4700E-03 1.1510E-03 0.0000E+00 0.0000E+00
S10 -4.4930E-02 1.7004E-01 -9.4190E-02 2.0392E-02 -1.6300E-03 0.0000E+00 0.0000E+00
S11 -2.0637E-01 1.3025E-01 -6.3590E-02 1.7174E-02 -6.0000E-04 -5.2000E-04 6.4381E-05
S12 -1.8753E-01 1.0873E-01 -5.0550E-02 1.3022E-02 -1.0800E-03 -2.3000E-04 4.2285E-05
表26
表27给出实施例9中各透镜的有效焦距f1至f6、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1的中心至成像面S15在光轴上的距离TTL以及光学成像镜头的最大半视场角HFOV。
f1(mm) 2.67 f6(mm) -6.34
f2(mm) -5.32 f(mm) 6.08
f3(mm) -11.92 TTL(mm) 5.41
f4(mm) -15.25 HFOV(°) 24.1
f5(mm) 16.71
表27
图18A示出了实施例9的光学成像镜头的轴上色差曲线,其表示不同波长的光线经由镜头后的会聚焦点偏离。图18B示出了实施例9的光学成像镜头的象散曲线,其表示子午像面弯曲和弧矢像面弯曲。图18C示出了实施例9的光学成像镜头的畸变曲线,其表示不同视角情况下的畸变大小值。图18D示出了实施例9的光学成像镜头的倍率 色差曲线,其表示光线经由镜头后在成像面上的不同的像高的偏差。根据图18A至图18D可知,实施例9所给出的光学成像镜头能够实现良好的成像品质。
实施例10
以下参照图19至图20D描述了根据本申请实施例10的光学成像镜头。图19示出了根据本申请实施例10的光学成像镜头的结构示意图。
如图19所示,根据本申请示例性实施方式的光学成像镜头沿光轴由物侧至像侧依序包括:光阑STO、第一透镜E1、第二透镜E2、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、滤光片E7和成像面S15。
第一透镜E1具有正光焦度,其物侧面S1为凸面,像侧面S2为凸面。第二透镜E2具有负光焦度,其物侧面S3为凸面,像侧面S4为凹面。第三透镜E3具有负光焦度,其物侧面S5为凸面,像侧面S6为凹面。第四透镜E4具有负光焦度,其物侧面S7为凹面,像侧面S8为凸面。第五透镜E5具有正光焦度,其物侧面S9为凹面,像侧面S10为凸面。第六透镜E6具有负光焦度,其物侧面S11为凹面,像侧面S12为凹面。滤光片E7具有物侧面S13和像侧面S14。来自物体的光依序穿过各表面S1至S14并最终成像在成像面S15上。
表28示出了实施例10的光学成像镜头的各透镜的表面类型、曲率半径、厚度、材料及圆锥系数,其中,曲率半径和厚度的单位均为毫米(mm)。
Figure PCTCN2018114513-appb-000012
Figure PCTCN2018114513-appb-000013
表28
由表28可知,在实施例10中,第一透镜E1至第六透镜E6中的任意一个透镜的物侧面和像侧面均为非球面。表29示出了可用于实施例10中各非球面镜面的高次项系数,其中,各非球面面型可由上述实施例1中给出的公式(1)限定。
面号 A4 A6 A8 A10 A12 A14 A16
S1 -1.6000E-04 -1.2700E-03 5.2300E-04 4.3500E-04 -6.9000E-04 0.0000E+00 0.0000E+00
S2 -5.5020E-02 2.0808E-01 -2.2809E-01 1.1590E-01 -2.3020E-02 0.0000E+00 0.0000E+00
S3 -7.8080E-02 3.0869E-01 -3.2913E-01 1.7115E-01 -3.6260E-02 0.0000E+00 0.0000E+00
S4 -9.6700E-03 2.0594E-01 -2.0104E-01 2.1862E-01 -1.0840E-01 0.0000E+00 0.0000E+00
S5 4.9123E-02 3.6572E-02 1.4825E-01 -6.1390E-02 1.2892E-02 0.0000E+00 0.0000E+00
S6 6.9186E-02 -7.7840E-02 3.8918E-01 -4.1047E-01 3.2250E-01 0.0000E+00 0.0000E+00
S7 -7.4020E-02 -5.6642E-01 4.3379E-01 1.3530E-01 -2.7838E-01 0.0000E+00 0.0000E+00
S8 2.0713E-01 -8.2200E-01 9.6443E-01 -5.4145E-01 1.2108E-01 0.0000E+00 0.0000E+00
S9 7.1455E-02 2.1471E-02 -2.0960E-02 2.6890E-03 1.1800E-04 0.0000E+00 0.0000E+00
S10 -9.4260E-02 2.2293E-01 -1.2239E-01 2.8113E-02 -2.4900E-03 0.0000E+00 0.0000E+00
S11 -2.5066E-01 1.7956E-01 -9.4630E-02 3.1771E-02 -5.2400E-03 2.8500E-04 7.9811E-06
S12 -1.6966E-01 7.6178E-02 -2.1600E-02 -1.6000E-04 2.1200E-03 -6.0000E-04 5.7053E-05
表29
表30给出实施例10中各透镜的有效焦距f1至f6、光学成像镜头的总有效焦距f、第一透镜E1的物侧面S1的中心至成像面S15在光轴上的距离TTL以及光学成像镜头的最大半视场角HFOV。
f1(mm) 2.69 f6(mm) -6.70
f2(mm) -5.54 f(mm) 6.08
f3(mm) -12.37 TTL(mm) 5.41
f4(mm) -21.19 HFOV(°) 24.1
f5(mm) 31.64
表30
图20A示出了实施例10的光学成像镜头的轴上色差曲线,其表示不同波长的光线经由镜头后的会聚焦点偏离。图20B示出了实施例10的光学成像镜头的象散曲线,其表示子午像面弯曲和弧矢像面弯曲。图20C示出了实施例10的光学成像镜头的畸变曲线,其表示不同视角情况下的畸变大小值。图20D示出了实施例10的光学成像镜头的倍率色差曲线,其表示光线经由镜头后在成像面上的不同的像高的偏差。根据图20A至图20D可知,实施例10所给出的光学成像镜头能够实现良好的成像品质。
综上,实施例1至实施例10分别满足表31中所示的关系。
条件式\实施例 1 2 3 4 5 6 7 8 9 10
HFOV(°) 24.1 24.1 24.2 24.2 24.1 24.1 24.2 24.1 24.1 24.1
f1/CT4 11.57 11.60 11.64 11.53 11.42 11.53 11.68 11.20 11.59 13.45
f/f2 -1.18 -1.00 -1.03 -1.14 -1.18 -1.14 -1.06 -0.47 -1.14 -1.10
f3/f -2.02 -0.88 -1.71 -2.11 -1.90 -1.86 -2.03 -0.73 -1.96 -2.04
f/f1 2.29 2.28 2.27 2.29 2.32 2.29 2.26 2.35 2.28 2.26
(R2-R1)/(R2+R1) 1.19 1.20 1.17 1.17 1.24 1.20 1.15 1.45 1.19 1.15
R6/f 0.42 0.31 0.42 0.44 0.41 1.03 0.43 0.34 0.44 0.43
CT1/CT3 4.01 4.52 3.96 4.24 3.91 4.24 3.94 4.04 4.10 4.15
T56/CT6 2.61 3.30 2.02 2.23 2.73 3.39 2.04 2.47 2.75 2.22
f6/f -1.09 -1.06 -1.26 -1.13 -1.06 -1.03 -1.16 -1.04 -1.04 -1.10
T34/TTL*10 0.74 0.66 0.85 0.85 0.75 0.64 0.87 0.84 0.81 0.92
T23/CT2 1.48 1.27 1.39 1.56 1.29 1.76 1.45 0.58 1.50 1.51
(R10-R11)/(R10+R11) 0.82 1.00 0.65 0.68 0.80 0.97 0.67 0.90 0.81 0.69
表31
本申请还提供一种成像装置,其电子感光元件可以是感光耦合元件(CCD)或互补性氧化金属半导体元件(CMOS)。成像装置可以是诸如数码相机的独立成像设备,也可以是集成在诸如手机等移动电子设备上的成像模块。该成像装置装配有以上描述的光学成像镜头。
以上描述仅为本申请的较佳实施例以及对所运用技术原理的说明。本领域技术人员应当理解,本申请中所涉及的发明范围,并不限于上述技术特征的特定组合而成的技术方案,同时也应涵盖在不脱离所述发明构思的情况下,由上述技术特征或其等同特征进行任意组合而形成的其它技术方案。例如上述特征与本申请中公开的(但不限于)具有类似功能的技术特征进行互相替换而形成的技术方案。

Claims (42)

  1. 光学成像镜头,沿着光轴由物侧至像侧依序包括:第一透镜、第二透镜、第三透镜、第四透镜、第五透镜和第六透镜,
    其特征在于,
    所述第一透镜具有正光焦度,其物侧面和像侧面均为凸面;
    所述第二透镜具有负光焦度;
    所述第三透镜具有负光焦度,其像侧面为凹面;
    所述第四透镜具有光焦度;
    所述第五透镜具有光焦度,其像侧面为凸面;
    所述第六透镜具有光焦度,其物侧面为凹面;
    所述光学成像镜头的最大半视场角HFOV满足HFOV<30°。
  2. 根据权利要求1所述的光学成像镜头,其特征在于,所述第一透镜的有效焦距f1与所述第四透镜于所述光轴上的中心厚度CT4满足f1/CT4>11。
  3. 根据权利要求2所述的光学成像镜头,其特征在于,所述第一透镜的有效焦距f1与所述第四透镜于所述光轴上的中心厚度CT4满足11<f1/CT4<15。
  4. 根据权利要求1所述的光学成像镜头,其特征在于,所述第一透镜的像侧面的曲率半径R2与所述第一透镜的物侧面的曲率半径R1满足1<(R2-R1)/(R2+R1)<1.5。
  5. 根据权利要求4所述的光学成像镜头,其特征在于,所述光学成像镜头的总有效焦距f与所述第一透镜的有效焦距f1满足2<f/f1<2.5。
  6. 根据权利要求1所述的光学成像镜头,其特征在于,所述光学 成像镜头的总有效焦距f与所述第二透镜的有效焦距f2满足-1.3<f/f2<-0.3。
  7. 根据权利要求1所述的光学成像镜头,其特征在于,所述第三透镜的像侧面的曲率半径R6与所述光学成像镜头的总有效焦距f满足0.2<R6/f<1.2。
  8. 根据权利要求7所述的光学成像镜头,其特征在于,所述第三透镜的有效焦距f3与所述光学成像镜头的总有效焦距f满足-2.2<f3/f<-0.6。
  9. 根据权利要求1所述的光学成像镜头,其特征在于,所述第五透镜的像侧面的曲率半径R10与所述第六透镜的物侧面的曲率半径R11满足0.5<(R10-R11)/(R10+R11)<1.5。
  10. 根据权利要求9所述的光学成像镜头,其特征在于,所述第六透镜具有负光焦度,其有效焦距f6与所述光学成像镜头的总有效焦距f满足-1.6<f6/f<-0.6。
  11. 根据权利要求9所述的光学成像镜头,其特征在于,所述第五透镜和所述第六透镜在所述光轴上的间隔距离T56与所述第六透镜于所述光轴上的中心厚度CT6满足2<T56/CT6<3.5。
  12. 根据权利要求1所述的光学成像镜头,其特征在于,所述第一透镜于所述光轴上的中心厚度CT1与所述第三透镜于所述光轴上的中心厚度CT3满足3.7<CT1/CT3<4.7。
  13. 根据权利要求1所述的光学成像镜头,其特征在于,所述第二透镜和所述第三透镜在所述光轴上的间隔距离T23与所述第二透镜于所述光轴上的中心厚度CT2满足0.5<T23/CT2<1.8。
  14. 根据权利要求1所述的光学成像镜头,其特征在于,所述第三透镜和所述第四透镜在所述光轴上的间隔距离T34与所述第一透镜的物侧面的中心至所述光学成像镜头的成像面在所述光轴上的距离TTL满足0.5<T34/TTL*10<1。
  15. 光学成像镜头,沿着光轴由物侧至像侧依序包括:第一透镜、第二透镜、第三透镜、第四透镜、第五透镜和第六透镜,
    其特征在于,
    所述第一透镜具有正光焦度,其物侧面和像侧面均为凸面;
    所述第二透镜具有负光焦度;
    所述第三透镜具有负光焦度,其像侧面为凹面;
    所述第四透镜具有光焦度;
    所述第五透镜具有光焦度,其像侧面为凸面;
    所述第六透镜具有光焦度,其物侧面为凹面;
    所述第三透镜的有效焦距f3与所述光学成像镜头的总有效焦距f满足-2.2<f3/f<-0.6。
  16. 根据权利要求15所述的光学成像镜头,其特征在于,所述光学成像镜头的总有效焦距f与所述第一透镜的有效焦距f1满足2<f/f1<2.5。
  17. 根据权利要求16所述的光学成像镜头,其特征在于,所述第一透镜的有效焦距f1与所述第四透镜于所述光轴上的中心厚度CT4满足f1/CT4>11。
  18. 根据权利要求17所述的光学成像镜头,其特征在于,所述第一透镜的有效焦距f1与所述第四透镜于所述光轴上的中心厚度CT4满足11<f1/CT4<15。
  19. 根据权利要求15所述的光学成像镜头,其特征在于,所述光学成像镜头的总有效焦距f与所述第二透镜的有效焦距f2满足-1.3<f/f2<-0.3。
  20. 根据权利要求15所述的光学成像镜头,其特征在于,所述第五透镜和所述第六透镜在所述光轴上的间隔距离T56与所述第六透镜于所述光轴上的中心厚度CT6满足2<T56/CT6<3.5。
  21. 根据权利要求15所述的光学成像镜头,其特征在于,所述第六透镜具有负光焦度,其有效焦距f6与所述光学成像镜头的总有效焦距f满足-1.6<f6/f<-0.6。
  22. 根据权利要求15所述的光学成像镜头,其特征在于,所述第一透镜于所述光轴上的中心厚度CT1与所述第三透镜于所述光轴上的中心厚度CT3满足3.7<CT1/CT3<4.7。
  23. 根据权利要求15所述的光学成像镜头,其特征在于,所述第二透镜和所述第三透镜在所述光轴上的间隔距离T23与所述第二透镜于所述光轴上的中心厚度CT2满足0.5<T23/CT2<1.8。
  24. 根据权利要求15所述的光学成像镜头,其特征在于,所述第三透镜和所述第四透镜在所述光轴上的间隔距离T34与所述第一透镜的物侧面的中心至所述光学成像镜头的成像面在所述光轴上的距离TTL满足0.5<T34/TTL*10<1。
  25. 根据权利要求15至24中任一项所述的光学成像镜头,其特征在于,所述光学成像镜头的最大半视场角HFOV满足HFOV<30°。
  26. 根据权利要求15至24中任一项所述的光学成像镜头,其特征在于,所述第一透镜的像侧面的曲率半径R2与所述第一透镜的物 侧面的曲率半径R1满足1<(R2-R1)/(R2+R1)<1.5。
  27. 根据权利要求15至24中任一项所述的光学成像镜头,其特征在于,所述第三透镜的像侧面的曲率半径R6与所述光学成像镜头的总有效焦距f满足0.2<R6/f<1.2。
  28. 根据权利要求15至24中任一项所述的光学成像镜头,其特征在于,所述第五透镜的像侧面的曲率半径R10与所述第六透镜的物侧面的曲率半径R11满足0.5<(R10-R11)/(R10+R11)<1.5。
  29. 光学成像镜头,沿着光轴由物侧至像侧依序包括:第一透镜、第二透镜、第三透镜、第四透镜、第五透镜和第六透镜,
    其特征在于,
    所述第一透镜具有正光焦度,其物侧面和像侧面均为凸面;
    所述第二透镜具有负光焦度;
    所述第三透镜具有负光焦度,其像侧面为凹面;
    所述第四透镜具有光焦度;
    所述第五透镜具有光焦度,其像侧面为凸面;
    所述第六透镜具有光焦度,其物侧面为凹面;
    所述光学成像镜头的总有效焦距f与所述第一透镜的有效焦距f1满足2<f/f1<2.5。
  30. 根据权利要求29所述的光学成像镜头,其特征在于,所述第一透镜的有效焦距f1与所述第四透镜于所述光轴上的中心厚度CT4满足f1/CT4>11。
  31. 根据权利要求30所述的光学成像镜头,其特征在于,所述第一透镜的有效焦距f1与所述第四透镜于所述光轴上的中心厚度CT4满足11<f1/CT4<15。
  32. 根据权利要求29所述的光学成像镜头,其特征在于,所述光学成像镜头的总有效焦距f与所述第二透镜的有效焦距f2满足-1.3<f/f2<-0.3。
  33. 根据权利要求32所述的光学成像镜头,其特征在于,所述第三透镜的有效焦距f3与所述光学成像镜头的总有效焦距f满足-2.2<f3/f<-0.6。
  34. 根据权利要求29所述的光学成像镜头,其特征在于,所述第五透镜和所述第六透镜在所述光轴上的间隔距离T56与所述第六透镜于所述光轴上的中心厚度CT6满足2<T56/CT6<3.5。
  35. 根据权利要求29所述的光学成像镜头,其特征在于,所述第六透镜具有负光焦度,其有效焦距f6与所述光学成像镜头的总有效焦距f满足-1.6<f6/f<-0.6。
  36. 根据权利要求29所述的光学成像镜头,其特征在于,所述第一透镜于所述光轴上的中心厚度CT1与所述第三透镜于所述光轴上的中心厚度CT3满足3.7<CT1/CT3<4.7。
  37. 根据权利要求29所述的光学成像镜头,其特征在于,所述第二透镜和所述第三透镜在所述光轴上的间隔距离T23与所述第二透镜于所述光轴上的中心厚度CT2满足0.5<T23/CT2<1.8。
  38. 根据权利要求29所述的光学成像镜头,其特征在于,所述第三透镜和所述第四透镜在所述光轴上的间隔距离T34与所述第一透镜的物侧面的中心至所述光学成像镜头的成像面在所述光轴上的距离TTL满足0.5<T34/TTL*10<1。
  39. 根据权利要求29至38中任一项所述的光学成像镜头,其特 征在于,所述光学成像镜头的最大半视场角HFOV满足HFOV<30°。
  40. 根据权利要求29至38中任一项所述的光学成像镜头,其特征在于,所述第一透镜的像侧面的曲率半径R2与所述第一透镜的物侧面的曲率半径R1满足1<(R2-R1)/(R2+R1)<1.5。
  41. 根据权利要求29至38中任一项所述的光学成像镜头,其特征在于,所述第三透镜的像侧面的曲率半径R6与所述光学成像镜头的总有效焦距f满足0.2<R6/f<1.2。
  42. 根据权利要求29至38中任一项所述的光学成像镜头,其特征在于,所述第五透镜的像侧面的曲率半径R10与所述第六透镜的物侧面的曲率半径R11满足0.5<(R10-R11)/(R10+R11)<1.5。
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