WO2019080529A1 - 光学成像镜头 - Google Patents

光学成像镜头

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Publication number
WO2019080529A1
WO2019080529A1 PCT/CN2018/092874 CN2018092874W WO2019080529A1 WO 2019080529 A1 WO2019080529 A1 WO 2019080529A1 CN 2018092874 W CN2018092874 W CN 2018092874W WO 2019080529 A1 WO2019080529 A1 WO 2019080529A1
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WO
WIPO (PCT)
Prior art keywords
lens
optical imaging
imaging lens
focal length
effective focal
Prior art date
Application number
PCT/CN2018/092874
Other languages
English (en)
French (fr)
Inventor
周鑫
杨健
闻人建科
Original Assignee
浙江舜宇光学有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201711000982.4A external-priority patent/CN107678140B/zh
Priority claimed from CN201721377058.3U external-priority patent/CN207301466U/zh
Application filed by 浙江舜宇光学有限公司 filed Critical 浙江舜宇光学有限公司
Priority to US16/226,954 priority Critical patent/US10962742B2/en
Publication of WO2019080529A1 publication Critical patent/WO2019080529A1/zh

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    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B13/00—Optical objectives specially designed for the purposes specified below

Definitions

  • the present application relates to an optical imaging lens, and more particularly, to an optical imaging lens including eight lenses.
  • CCD Charge-Coupled Device
  • CMOS Complementary Metal-Oxide Semiconductor
  • the present application provides an optical imaging lens that is applicable to a portable electronic product that can at least solve or partially address at least one of the above disadvantages of the prior art, such as a large aperture imaging lens.
  • 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 having a power; a second lens having a positive power; having a light a third lens having a power; a fourth lens having a power; a fifth lens having a power; a sixth lens having a power; a seventh lens having a power, the image side being a convex surface; And an eighth lens having a power.
  • the air gap is between any two adjacent lenses of the first lens to the eighth lens; the total effective focal length f of the optical imaging lens and the entrance pupil diameter EPD of the optical imaging lens can satisfy f/EPD ⁇ 2.0.
  • the total effective focal length f of the optical imaging lens and the effective focal length f2 of the second lens may satisfy 1.0 ⁇ f / f2 ⁇ 1.5.
  • the total effective focal length f of the optical imaging lens, the effective focal length f1 of the first lens, and the effective focal length f2 of the second lens may satisfy 1.0 ⁇
  • the effective focal length f2 of the second lens and the center thickness CT2 of the second lens on the optical axis may satisfy 5.5 ⁇ f2/CT2 ⁇ 6.5.
  • the object side surface of the second lens may be convex; the effective focal length f2 of the second lens and the radius of curvature R3 of the second lens object side may satisfy 1.5 ⁇ f2/R3 ⁇ 2.5.
  • the object side surface of the first lens may be convex; the total effective focal length f of the optical imaging lens and the radius of curvature R1 of the first lens object side may satisfy 2 ⁇ f/R1 ⁇ 2.5.
  • the image side of the eighth lens may be a concave surface; the total effective focal length f of the optical imaging lens and the radius of curvature R16 of the image side of the eighth lens may satisfy 1.5 ⁇ f/R16 ⁇ 3.0.
  • the radius of curvature R16 of the side surface of the eighth lens image and the radius of curvature R14 of the side surface of the seventh lens image may satisfy 1.0 ⁇
  • the radius of curvature R13 of the side surface of the seventh lens object and the radius of curvature R14 of the side surface of the seventh lens image may satisfy -33 ⁇ (R13+R14)/(R13-R14) ⁇ 1.
  • the effective focal length f8 of the eighth lens and the center thickness CT8 of the eighth lens on the optical axis may satisfy -11 ⁇ f8 / CT8 ⁇ -7.
  • the image height of the image side of the eighth lens at the maximum effective half aperture and the center thickness CT8 of the eighth lens on the optical axis may satisfy -3.0 ⁇ SAG82/CT8 ⁇ -1.5.
  • the optical total length TTL of the optical imaging lens is half of the diagonal length ImgH of the effective pixel area on the imaging surface of the optical imaging lens to satisfy TTL/ImgH ⁇ 1.50.
  • the center thickness CT2 of the second lens on the optical axis and the center thickness CT3 of the third lens on the optical axis may satisfy 2.5 ⁇ CT2 / CT3 ⁇ 3.5.
  • the separation distance T45 of the fourth lens and the fifth lens on the optical axis and the separation distance T67 of the sixth lens and the seventh lens on the optical axis may satisfy 1.0 ⁇ T45/T67 ⁇ 4.5.
  • 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 having a power, the object side of which may be a convex surface; a second lens having a convex side; a third lens having a power; a fourth lens having a power; a fifth lens having a power; a sixth lens having a power;
  • the seventh lens of the power, the image side may be a convex surface; and the eighth lens having the power, the image side may be a concave surface.
  • the total effective focal length f of the optical imaging lens, the effective focal length f1 of the first lens, and the effective focal length f2 of the second lens may satisfy 1.0 ⁇
  • 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 having a power; a second lens having a positive power; a third lens having a power; a fourth lens having a power; a fifth lens having a power; a sixth lens having a power; and a seventh lens having a power having a convex side And an eighth lens with power.
  • the total effective focal length f of the optical imaging lens and the effective focal length f2 of the second lens can satisfy 1.0 ⁇ f/f2 ⁇ 1.5.
  • 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 having a power; a second lens having a positive power; a third lens having a power; a fourth lens having a power; a fifth lens having a power; a sixth lens having a power; and a seventh lens having a power having a convex side And an eighth lens with power.
  • the effective focal length f2 of the second lens and the central thickness CT2 of the second lens on the optical axis may satisfy 5.5 ⁇ f2/CT2 ⁇ 6.5.
  • 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 having a power; a second lens having a positive power; a third lens having a power; a fourth lens having a power; a fifth lens having a power; a sixth lens having a power; and a seventh lens having a power having a convex side And an eighth lens with power.
  • the effective focal length f2 of the second lens and the radius of curvature R3 of the side surface of the second lens can satisfy 1.5 ⁇ f2 / R3 ⁇ 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 having a power; a second lens having a positive power; a third lens having a power; a fourth lens having a power; a fifth lens having a power; a sixth lens having a power; and a seventh lens having a power having a convex side And an eighth lens with power.
  • the total effective focal length f of the optical imaging lens and the radius of curvature R1 of the side surface of the first lens can satisfy 2 ⁇ f/R1 ⁇ 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 having a power; a second lens having a positive power; a third lens having a power; a fourth lens having a power; a fifth lens having a power; a sixth lens having a power; and a seventh lens having a power having a convex side And an eighth lens with power.
  • the total effective focal length f of the optical imaging lens and the radius of curvature R16 of the image side of the eighth lens can satisfy 1.5 ⁇ f/R16 ⁇ 3.0.
  • 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 having a power; a second lens having a positive power; a third lens having a power; a fourth lens having a power; a fifth lens having a power; a sixth lens having a power; and a seventh lens having a power having a convex side And an eighth lens with power.
  • the radius of curvature R16 of the side surface of the eighth lens image and the radius of curvature R14 of the side surface of the seventh lens image may satisfy 1.0 ⁇
  • 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 having a power; a second lens having a positive power; a third lens having a power; a fourth lens having a power; a fifth lens having a power; a sixth lens having a power; and a seventh lens having a power having a convex side And an eighth lens with power.
  • the radius of curvature R13 of the side surface of the seventh lens object and the radius of curvature R14 of the side surface of the seventh lens image may satisfy -33 ⁇ (R13+R14)/(R13-R14) ⁇ 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 having a power; a second lens having a positive power; a third lens having a power; a fourth lens having a power; a fifth lens having a power; a sixth lens having a power; and a seventh lens having a power having a convex side And an eighth lens with power.
  • the effective focal length f8 of the eighth lens and the central thickness CT8 of the eighth lens on the optical axis can satisfy -11 ⁇ f8/CT8 ⁇ -7.
  • 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 having a power; a second lens having a positive power; a third lens having a power; a fourth lens having a power; a fifth lens having a power; a sixth lens having a power; and a seventh lens having a power having a convex side And an eighth lens with power.
  • the image height of the image side of the eighth lens at the maximum effective half aperture SAG82 and the center thickness CT8 of the eighth lens on the optical axis can satisfy -3.0 ⁇ SAG82/CT8 ⁇ -1.5.
  • 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 having a power; a second lens having a positive power; a third lens having a power; a fourth lens having a power; a fifth lens having a power; a sixth lens having a power; and a seventh lens having a power having a convex side And an eighth lens with power.
  • the optical total length TTL of the optical imaging lens is half of the diagonal length of the effective pixel area on the imaging surface of the optical imaging lens, and the TTL/ImgH ⁇ 1.50 can be satisfied.
  • 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 having a power; a second lens having a positive power; a third lens having a power; a fourth lens having a power; a fifth lens having a power; a sixth lens having a power; and a seventh lens having a power having a convex side And an eighth lens with power.
  • the center thickness CT2 of the second lens on the optical axis and the center thickness CT3 of the third lens on the optical axis may satisfy 2.5 ⁇ CT2/CT3 ⁇ 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 having a power; a second lens having a positive power; a third lens having a power; a fourth lens having a power; a fifth lens having a power; a sixth lens having a power; and a seventh lens having a power having a convex side And an eighth lens with power.
  • the separation distance T45 of the fourth lens and the fifth lens on the optical axis and the separation distance T67 of the sixth lens and the seventh lens on the optical axis may satisfy 1.0 ⁇ T45/T67 ⁇ 4.5.
  • the present application employs a plurality of (for example, eight) 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 large aperture, low sensitivity, good processability, 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 Embodiment 10.
  • FIG. 21 is a schematic structural view of an optical imaging lens according to Embodiment 11 of the present application.
  • 22A to 22D 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 11;
  • FIG. 23 is a schematic structural view of an optical imaging lens according to Embodiment 12 of the present application.
  • 24A to 24D 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 12.
  • FIG. 25 is a schematic structural view of an optical imaging lens according to Embodiment 13 of the present application.
  • 26A to 26D 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 13.
  • 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 closest to the object in each lens is referred to as the object side, and the surface of each lens closest to the image plane is referred to as the image side.
  • the optical imaging lens may include, for example, eight lenses having powers, that is, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a Seven lenses and eighth lens.
  • the eight lenses are sequentially arranged from the object side to the image side along the optical axis, and an air gap is formed between any two adjacent lenses of the first lens to the eighth lens.
  • the object side of the first lens may be a convex surface, and the image side may be a concave surface.
  • the second lens may have a positive power
  • the object side may be a convex surface
  • the image side may be a concave surface
  • the third lens may have a negative power
  • the object side may be a convex surface
  • the image side may be a concave surface
  • the image side of the seventh lens may be convex.
  • the eighth lens may have a negative power
  • the object side may be a concave surface
  • the image side may be a concave surface
  • the optical imaging lens of the present application may satisfy the conditional expression f/EPD ⁇ 2.0, where f is the total effective focal length of the optical imaging lens and the EPD is the entrance pupil diameter of the optical imaging lens. More specifically, f and EPD can further satisfy 1.67 ⁇ f / EPD ⁇ 1.90.
  • the lens is configured to satisfy the conditional expression f/EPD ⁇ 2.0, which can make the lens have a large aperture advantage, enhance the imaging effect of the lens in a weak light environment, and also help to reduce the aberration of the edge field of view.
  • the optical imaging lens of the present application can satisfy the conditional TTL/ImgH ⁇ 1.50, where TTL is the total optical length of the optical imaging lens (ie, from the center of the object side of the first lens to the optical imaging lens) The distance of the imaging surface on the optical axis), ImgH is half the diagonal length of the effective pixel area on the imaging surface. More specifically, TTL and ImgH can further satisfy 1.44 ⁇ TTL / ImgH ⁇ 1.50. The conditional TTL/ImgH ⁇ 1.50 is satisfied, which can effectively compress the size of the imaging system and ensure that the imaging system has relatively compact structural characteristics.
  • the optical imaging lens of the present application may satisfy the conditional expression 1.0 ⁇
  • the optical imaging lens of the present application may satisfy the conditional expression 1.0 ⁇ f/f2 ⁇ 1.5, 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 may further satisfy 1.1 ⁇ f / f2 ⁇ 1.3, for example, 1.15 ⁇ f / f2 ⁇ 1.26. Properly distributing the power of the second lens allows the imaging system to have a better ability to balance field curvature.
  • the optical imaging lens of the present application may satisfy the conditional expression 1.5 ⁇ f/R16 ⁇ 3.0, where f is the total effective focal length of the optical imaging lens, and R16 is the radius of curvature of the image side of the eighth lens. More specifically, f and R16 may further satisfy 1.7 ⁇ f / R16 ⁇ 2.6, for example, 1.72 ⁇ f / R16 ⁇ 2.52. Reasonably arranging the radius of curvature of the side surface of the eighth lens image is advantageous for matching the imaging system with the common chip.
  • the optical imaging lens of the present application may satisfy the conditional expression 2.5 ⁇ CT2/CT3 ⁇ 3.5, where CT2 is the center thickness of the second lens on the optical axis, and CT3 is the third lens on the optical axis. Center thickness. More specifically, CT2 and CT3 can further satisfy 2.7 ⁇ CT2 / CT3 ⁇ 3.2, for example, 2.76 ⁇ CT2 / CT3 ⁇ 3.17. Reasonably distributing the center thicknesses of the second lens and the third lens enables the imaging system to have a better ability to balance the coma.
  • the optical imaging lens of the present application may satisfy the conditional expression -11 ⁇ f8/CT8 ⁇ -7, where f8 is the effective focal length of the eighth lens, and CT8 is the center thickness of the eighth lens on the optical axis. . More specifically, f8 and CT8 can further satisfy -10.13 ⁇ f8 / CT8 ⁇ - 7.44. By properly controlling the ratio of f8 and CT8, the back end size of the imaging system can be effectively reduced.
  • the optical imaging lens of the present application may satisfy Condition 2 ⁇ f/R1 ⁇ 2.5, where f is the total effective focal length of the optical imaging lens, and R1 is the radius of curvature of the object side of the first lens. More specifically, f and R1 may further satisfy 2.1 ⁇ f / R1 ⁇ 2.4, for example, 2.16 ⁇ f / R1 ⁇ 2.38.
  • the optical imaging lens of the present application may satisfy the conditional expression 1.0 ⁇
  • the optical imaging lens of the present application may satisfy the conditional expression -3.0 ⁇ SAG82/CT8 ⁇ -1.5, wherein the SAG82 is the vector height of the eighth lens image side at the maximum effective half aperture (ie, the eighth lens) The intersection of the image side and the optical axis with the distance of the apex of the largest effective half aperture of the eighth lens image side on the optical axis). More specifically, SAG82 and CT8 can further satisfy -2.8 ⁇ SAG82/CT8 ⁇ -1.6, for example, -2.71 ⁇ SAG82/CT8 ⁇ - 1.66. By reasonably controlling the ratio of SAG82 and CT8, the main ray angle of the system can be reasonably adjusted, thereby effectively improving the relative brightness of the imaging system and improving the image plane sharpness.
  • the optical imaging lens of the present application may satisfy the conditional expression 5.5 ⁇ f2 / CT2 ⁇ 6.5, where f2 is the effective focal length of the second lens and CT2 is the center thickness of the second lens on the optical axis. More specifically, f2 and CT2 can further satisfy 5.51 ⁇ f2 / CT2 ⁇ 6.44. Reasonable control of the ratio of f2 and CT2 can effectively control the deflection of light and reduce the size of the front end of the optical imaging system.
  • the optical imaging lens of the present application may satisfy the conditional expression 1.5 ⁇ f2/R3 ⁇ 2.5, where f2 is the effective focal length of the second lens and R3 is the radius of curvature of the object side of the second lens. More specifically, f2 and R3 may further satisfy 1.9 ⁇ f2 / R3 ⁇ 2.1, for example, 1.95 ⁇ f2 / R3 ⁇ 2.02. By reasonably arranging the radius of curvature of the side of the object of the second lens, the imaging system can have a better ability to balance astigmatism.
  • the optical imaging lens of the present application may satisfy the conditional expression 1.0 ⁇ T45/T67 ⁇ 4.5, where T45 is the separation distance of the fourth lens and the fifth lens on the optical axis, and T67 is the sixth lens and The separation distance of the seventh lens on the optical axis. More specifically, T45 and T67 can further satisfy 1.0 ⁇ T45 / T67 ⁇ 4.3, for example, 1.03 ⁇ T45 / T67 ⁇ 4.22. Reasonable control of the ratio of T45 to T67 enables the imaging system to have a better ability to balance dispersion.
  • the optical imaging lens of the present application may satisfy the conditional expression -33 ⁇ (R13+R14)/(R13-R14) ⁇ 1, where R13 is the radius of curvature of the object side of the seventh lens, and R14 is The radius of curvature of the image side of the seventh lens. More specifically, R13 and R14 may further satisfy -32.33 ⁇ (R13 + R14) / (R13 - R14) ⁇ 0.99. Reasonably arranging the radius of curvature of the side surface and the image side of the seventh lens enables the imaging system to better match the chief ray angle of the chip.
  • the optical imaging lens may further include at least one aperture to enhance the imaging quality of the lens.
  • the diaphragm may be disposed between the second lens and the third 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 optical imaging lens according to the above embodiment of the present application may employ a plurality of lenses, such as the eight sheets described above.
  • a plurality of lenses such as the eight sheets described above.
  • the volume of the lens can be effectively reduced, the sensitivity of the lens can be reduced, and the processability of the lens can be improved.
  • the optical imaging lens is made more advantageous for production processing and can be applied to portable electronic products.
  • the optical imaging lens of the above configuration has characteristics such as miniaturization, large aperture, and high image quality.
  • the mirror surfaces of the lenses are all aspherical mirrors.
  • 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 eight 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 includes, in order from an object side to an image side along an optical axis, a first lens E1, a second lens E2, a stop STO, a third lens E3, and a first Four lenses E4, fifth lens E5, sixth lens E6, seventh lens E7, eighth lens E8, filter E9, and imaging surface S19.
  • 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 concave surface.
  • the second lens E2 has a positive 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 convex 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 convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive refractive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a convex surface.
  • the eighth lens E8 has a negative refractive power
  • the object side surface S15 is a concave surface
  • the image side surface S16 is a concave surface.
  • the filter E9 has an object side surface S17 and an image side surface S18. Light from the object sequentially passes through the respective surfaces S1 to S18 and is finally imaged on the imaging plane S19.
  • 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 higher order coefficient A 4 , A 6 , A 8 , A 10 , A 12 , A 14 , A 16 , A 18 and A 20 which can be used for each aspherical mirror surface S1-S16 in the embodiment 1. .
  • the optical imaging lens of Embodiment 1 satisfies:
  • f / EPD 1.80, where f is the total effective focal length of the optical imaging lens, and EPD is the entrance pupil diameter of the optical imaging lens;
  • TTL/ImgH 1.444
  • TTL is the total optical length of the optical imaging lens
  • ImgH is half of the diagonal length of the effective pixel area on the imaging surface S19;
  • f/f2 1.17, 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;
  • f/R16 2.40, where f is the total effective focal length of the optical imaging lens, and R16 is the radius of curvature of the eighth lens image side S16;
  • CT2/CT3 2.90, where CT2 is the center thickness of the second lens E2 on the optical axis, and CT3 is the center thickness of the third lens E3 on the optical axis;
  • F8/CT8 -9.55, wherein f8 is the effective focal length of the eighth lens E8, and CT8 is the center thickness of the eighth lens E8 on the optical axis;
  • f/R1 2.28, where f is the total effective focal length of the optical imaging lens, and R1 is the radius of curvature of the object side S1 of the first lens E1;
  • 1.04, where R16 is the radius of curvature of the image side surface S16 of the eighth lens E8, and R14 is the radius of curvature of the image side surface S14 of the seventh lens E7;
  • SAG82/CT8 -2.63, wherein SAG82 is the vector height of the eighth lens E8 image side surface S16 at the maximum effective half aperture, and CT8 is the center thickness of the eighth lens E8 on the optical axis;
  • F2/CT2 5.87, where f2 is the effective focal length of the second lens E2, and CT2 is the center thickness of the second lens E2 on the optical axis;
  • F2 / R3 2.02, wherein f2 is the effective focal length of the second lens E2, and R3 is the radius of curvature of the object side S3 of the second lens E2;
  • T45/T67 3.71, wherein T45 is a separation distance of the fourth lens E4 and the fifth lens E5 on the optical axis, and T67 is a separation distance of the sixth lens E6 and the seventh lens E7 on the optical axis;
  • FIG. 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 includes, in order from an object side to an image side along an optical axis, a first lens E1, a second lens E2, a stop STO, a third lens E3, and a first Four lenses E4, fifth lens E5, sixth lens E6, seventh lens E7, eighth lens E8, filter E9, and imaging surface S19.
  • 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 concave surface.
  • the second lens E2 has a positive 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 convex 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 convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive refractive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a convex surface.
  • the eighth lens E8 has a negative refractive power
  • the object side surface S15 is a concave surface
  • the image side surface S16 is a concave surface.
  • the filter E9 has an object side surface S17 and an image side surface S18. Light from the object sequentially passes through the respective surfaces S1 to S18 and is finally imaged on the imaging plane S19.
  • Table 3 shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens of the optical imaging lens of Example 2, 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 eighth lens E8 are aspherical.
  • Table 4 shows the high order term coefficients 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.
  • 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 includes, in order from an object side to an image side along an optical axis, a first lens E1, a second lens E2, a stop STO, a third lens E3, and a first Four lenses E4, fifth lens E5, sixth lens E6, seventh lens E7, eighth lens E8, filter E9, and imaging surface S19.
  • 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 concave surface.
  • the second lens E2 has a positive 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 convex 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 convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive refractive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a convex surface.
  • the eighth lens E8 has a negative refractive power
  • the object side surface S15 is a concave surface
  • the image side surface S16 is a concave surface.
  • the filter E9 has an object side surface S17 and an image side surface S18. Light from the object sequentially passes through the respective surfaces S1 to S18 and is finally imaged on the imaging plane S19.
  • Table 5 shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens of the optical imaging lens of Example 3, 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 eighth lens E8 are aspherical.
  • Table 6 shows the high order term coefficients which can be used for each aspherical mirror surface in Embodiment 3, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • 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 includes, in order from an object side to an image side along an optical axis, a first lens E1, a second lens E2, a stop STO, a third lens E3, and a first Four lenses E4, fifth lens E5, sixth lens E6, seventh lens E7, eighth lens E8, filter E9, and imaging surface S19.
  • 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 concave surface.
  • the second lens E2 has a positive 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 convex 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 positive refractive power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a convex surface.
  • the seventh lens E7 has a positive refractive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a convex surface.
  • the eighth lens E8 has a negative refractive power
  • the object side surface S15 is a concave surface
  • the image side surface S16 is a concave surface.
  • the filter E9 has an object side surface S17 and an image side surface S18. Light from the object sequentially passes through the respective surfaces S1 to S18 and is finally imaged on the imaging plane S19.
  • Table 7 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 each mm (mm).
  • the object side surface and the image side surface of any one of the first lens E1 to the eighth lens E8 are aspherical.
  • Table 8 shows the high order term coefficients which can be used for the respective aspherical mirrors in Embodiment 4, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • 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 sequentially includes, from an object side to an image side along an optical axis, a first lens E1, a second lens E2, a stop STO, a third lens E3, and a first Four lenses E4, fifth lens E5, sixth lens E6, seventh lens E7, eighth lens E8, filter E9, and imaging surface S19.
  • 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 concave surface.
  • the second lens E2 has a positive 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 convex 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 positive refractive power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive refractive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a convex surface.
  • the eighth lens E8 has a negative refractive power
  • the object side surface S15 is a concave surface
  • the image side surface S16 is a concave surface.
  • the filter E9 has an object side surface S17 and an image side surface S18. Light from the object sequentially passes through the respective surfaces S1 to S18 and is finally imaged on the imaging plane S19.
  • Table 9 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 each mm (mm).
  • the object side surface and the image side surface of any one of the first lens E1 to the eighth lens E8 are aspherical.
  • Table 10 shows the high order term coefficients 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.
  • 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, from an object side to an image side along an optical axis: a first lens E1, a second lens E2, a stop STO, a third lens E3, and a first Four lenses E4, fifth lens E5, sixth lens E6, seventh lens E7, eighth lens E8, filter E9, and imaging surface S19.
  • the first lens E1 has a negative refractive power
  • the object side surface S1 is a convex surface
  • the image side surface S2 is a concave surface.
  • the second lens E2 has a positive refractive power
  • the object side surface S3 is a convex surface
  • 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
  • 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
  • the image side surface S8 is a convex 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 convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive refractive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a convex surface.
  • the eighth lens E8 has a negative refractive power
  • the object side surface S15 is a concave surface
  • the image side surface S16 is a concave surface.
  • the filter E9 has an object side surface S17 and an image side surface S18. Light from the object sequentially passes through the respective surfaces S1 to S18 and is finally imaged on the imaging plane S19.
  • Table 11 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 eighth lens E8 are aspherical.
  • Table 12 shows the high order term coefficients which can be used for the respective aspherical mirrors in Embodiment 6, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • 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 includes, in order from the object side to the image side along the optical axis, a first lens E1, a second lens E2, a stop STO, a third lens E3, and a first Four lenses E4, fifth lens E5, sixth lens E6, seventh lens E7, eighth lens E8, filter E9, and imaging surface S19.
  • 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 concave surface.
  • the second lens E2 has a positive 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 convex surface
  • the image side surface S10 is a concave surface.
  • the sixth lens E6 has a positive refractive power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive refractive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a convex surface.
  • the eighth lens E8 has a negative refractive power
  • the object side surface S15 is a concave surface
  • the image side surface S16 is a concave surface.
  • the filter E9 has an object side surface S17 and an image side surface S18. Light from the object sequentially passes through the respective surfaces S1 to S18 and is finally imaged on the imaging plane S19.
  • Table 13 shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens of the optical imaging lens of Example 7, 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 eighth lens E8 are aspherical.
  • Table 14 shows the high order term coefficients which can be used for each aspherical mirror surface in Embodiment 7, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • 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 includes, in order from an object side to an image side along an optical axis, a first lens E1, a second lens E2, a stop STO, a third lens E3, and a first Four lenses E4, fifth lens E5, sixth lens E6, seventh lens E7, eighth lens E8, filter E9, and imaging surface S19.
  • 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 concave surface.
  • the second lens E2 has a positive 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 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 convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive refractive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a convex surface.
  • the eighth lens E8 has a negative refractive power
  • the object side surface S15 is a concave surface
  • the image side surface S16 is a concave surface.
  • the filter E9 has an object side surface S17 and an image side surface S18. Light from the object sequentially passes through the respective surfaces S1 to S18 and is finally imaged on the imaging plane S19.
  • Table 15 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 eighth lens E8 are aspherical.
  • Table 16 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.
  • 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 Example 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 includes, in order from an object side to an image side along an optical axis, a first lens E1, a second lens E2, a stop STO, a third lens E3, and a first Four lenses E4, fifth lens E5, sixth lens E6, seventh lens E7, eighth lens E8, filter E9, and imaging surface S19.
  • 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 concave surface.
  • the second lens E2 has a positive 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 convex 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 positive refractive power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive refractive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a convex surface.
  • the eighth lens E8 has a negative refractive power
  • the object side surface S15 is a concave surface
  • the image side surface S16 is a concave surface.
  • the filter E9 has an object side surface S17 and an image side surface S18. Light from the object sequentially passes through the respective surfaces S1 to S18 and is finally imaged on the imaging plane S19.
  • Table 17 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 eighth lens E8 are aspherical.
  • Table 18 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.
  • 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 Example 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 includes, in order from the object side to the image side along the optical axis, a first lens E1, a second lens E2, a stop STO, a third lens E3, and a first Four lenses E4, fifth lens E5, sixth lens E6, seventh lens E7, eighth lens E8, filter E9, and imaging surface S19.
  • 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 concave surface.
  • the second lens E2 has a positive 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 concave surface, and the image side surface S8 is a convex 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 positive refractive power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive refractive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a convex surface.
  • the eighth lens E8 has a negative refractive power
  • the object side surface S15 is a concave surface
  • the image side surface S16 is a concave surface.
  • the filter E9 has an object side surface S17 and an image side surface S18. Light from the object sequentially passes through the respective surfaces S1 to S18 and is finally imaged on the imaging plane S19.
  • Table 19 shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens of the optical imaging lens of Example 10, in which the unit 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 eighth lens E8 are aspherical.
  • Table 20 shows the higher order coefficient of each aspherical mirror which can be used in Embodiment 10, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • 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.
  • FIG. 21 is a view showing the configuration of an optical imaging lens according to Embodiment 11 of the present application.
  • an optical imaging lens includes, in order from the object side to the image side along the optical axis, a first lens E1, a second lens E2, a stop STO, a third lens E3, and a first Four lenses E4, fifth lens E5, sixth lens E6, seventh lens E7, eighth lens E8, filter E9, and imaging surface S19.
  • 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 concave surface.
  • the second lens E2 has a positive 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 convex 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 concave surface.
  • the sixth lens E6 has a negative refractive power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a concave surface.
  • the seventh lens E7 has a positive refractive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a convex surface.
  • the eighth lens E8 has a negative refractive power
  • the object side surface S15 is a concave surface
  • the image side surface S16 is a concave surface.
  • the filter E9 has an object side surface S17 and an image side surface S18. Light from the object sequentially passes through the respective surfaces S1 to S18 and is finally imaged on the imaging plane S19.
  • Table 21 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 11, 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 eighth lens E8 are aspherical.
  • Table 22 shows the high order coefficient which can be used for each aspherical mirror surface in Embodiment 11, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Fig. 22A shows an axial chromatic aberration curve of the optical imaging lens of Embodiment 11, which indicates that light of different wavelengths is deviated from a focus point after the lens.
  • Fig. 22B shows an astigmatism curve of the optical imaging lens of Example 11, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 22C shows a distortion curve of the optical imaging lens of Embodiment 11, which shows distortion magnitude values in the case of different viewing angles.
  • Fig. 22D shows a magnification chromatic aberration curve of the optical imaging lens of Embodiment 11, which shows the deviation of the different image heights on the imaging plane after the light passes through the lens. 22A to 22D, the optical imaging lens given in Embodiment 11 can achieve good imaging quality.
  • FIG. 23 is a view showing the configuration of an optical imaging lens according to Embodiment 12 of the present application.
  • an optical imaging lens includes, in order from an object side to an image side along an optical axis, a first lens E1, a second lens E2, a stop STO, a third lens E3, and a first Four lenses E4, fifth lens E5, sixth lens E6, seventh lens E7, eighth lens E8, filter E9, and imaging surface S19.
  • 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 concave surface.
  • the second lens E2 has a positive 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 convex 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 seventh lens E7 has a positive refractive power
  • the object side surface S13 is a convex surface
  • the image side surface S14 is a convex surface.
  • the eighth lens E8 has a negative refractive power
  • the object side surface S15 is a concave surface
  • the image side surface S16 is a concave surface.
  • the filter E9 has an object side surface S17 and an image side surface S18. Light from the object sequentially passes through the respective surfaces S1 to S18 and is finally imaged on the imaging plane S19.
  • Table 23 shows the surface type, radius of curvature, thickness, material, and conical coefficient of each lens of the optical imaging lens of Example 12, 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 eighth lens E8 are aspherical.
  • Table 24 shows the high order term coefficients which can be used for each aspherical mirror surface in Embodiment 12, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Fig. 24A shows an axial chromatic aberration curve of the optical imaging lens of Embodiment 12, which shows that light of different wavelengths is deviated from a focus point after the lens.
  • Fig. 24B shows an astigmatism curve of the optical imaging lens of Example 12, which shows meridional field curvature and sagittal image plane curvature.
  • Fig. 24C shows a distortion curve of the optical imaging lens of Embodiment 12, which shows distortion magnitude values in the case of different viewing angles.
  • Fig. 24D shows a magnification chromatic aberration curve of the optical imaging lens of Embodiment 12, which shows deviations of different image heights on the imaging plane after the light passes through the lens. According to FIGS. 24A to 24D, the optical imaging lens given in Embodiment 12 can achieve good imaging quality.
  • FIG. 25 is a view showing the configuration of an optical imaging lens according to Embodiment 13 of the present application.
  • an optical imaging lens includes, in order from an object side to an image side along an optical axis, a first lens E1, a second lens E2, a stop STO, a third lens E3, and a first Four lenses E4, fifth lens E5, sixth lens E6, seventh lens E7, eighth lens E8, filter E9, and imaging surface S19.
  • 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 concave surface.
  • the second lens E2 has a positive 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 convex 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 positive refractive power
  • the object side surface S11 is a convex surface
  • the image side surface S12 is a convex surface.
  • the seventh lens E7 has a negative refractive power
  • the object side surface S13 is a concave surface
  • the image side surface S14 is a convex surface.
  • the eighth lens E8 has a negative refractive power
  • the object side surface S15 is a concave surface
  • the image side surface S16 is a concave surface.
  • the filter E9 has an object side surface S17 and an image side surface S18. Light from the object sequentially passes through the respective surfaces S1 to S18 and is finally imaged on the imaging plane S19.
  • Table 25 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 13, 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 eighth lens E8 are aspherical.
  • Table 26 shows the high order coefficient which can be used for each aspherical mirror surface in Embodiment 13, wherein each aspherical surface type can be defined by the formula (1) given in the above Embodiment 1.
  • Fig. 26A shows an axial chromatic aberration curve of the optical imaging lens of Embodiment 13, which indicates that light of different wavelengths is deviated from a focus point after the lens.
  • Fig. 26B shows an astigmatism curve of the optical imaging lens of Example 13, which shows the meridional field curvature and the sagittal image plane curvature.
  • Fig. 26C shows a distortion curve of the optical imaging lens of Embodiment 13, which shows the distortion magnitude value in the case of different viewing angles.
  • Fig. 26D shows a magnification chromatic aberration curve of the optical imaging lens of Embodiment 13, which shows the deviation of the different image heights on the imaging plane after the light passes through the lens. 26A to 26D, the optical imaging lens given in Embodiment 13 can achieve good imaging quality.
  • Embodiments 1 to 13 respectively satisfy the relationship shown in Table 27.
  • 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

本申请公开了一种光学成像镜头，该光学成像镜头沿着光轴由物侧至像侧依序包括：具有光焦度的第一透镜；具有正光焦度的第二透镜；具有光焦度的第三透镜；具有光焦度的第四透镜；具有光焦度的第五透镜；具有光焦度的第六透镜；具有光焦度的第七透镜，其像侧面为凸面；以及具有光焦度的第八透镜。其中，第一透镜至第八透镜中任意相邻两透镜之间均具有空气间隔；光学成像镜头的总有效焦距f与光学成像镜头的入瞳直径EPD满足f/EPD≤2.0。

Description

光学成像镜头
相关申请的交叉引用
本申请要求于2017年10月24日提交于中国国家知识产权局(SIPO)的、专利申请号为201711000982.4的中国专利申请以及于2017年10月24日提交至SIPO的、专利申请号为201721377058.3的中国专利申请的优先权和权益，以上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八片透镜的光学成像镜头。
背景技术
随着CCD(Charge-Coupled Device，感光耦合元件)或CMOS(Complementary Metal-Oxide Semiconductor，互补性氧化金属半导体元件)等芯片不断向高性能、小尺寸等方向的发展，对相配套使用的光学成像镜头的小型化及高成像品质等方面也提出了相应的要求。
另外，随着例如手机或数码相机等便携带电子设备的应用普及，便携式电子产品应用的场合越来越广泛，也对相配套使用的光学成像镜头的大孔径、高分辨率等方面提出了相应的要求。
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，例如，大孔径成像镜头。
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：具有光焦度的第一透镜；具有正光焦度的第二透镜；具有光焦度的第三透镜；具有光焦度的第四透镜；具有光焦度的第五透镜；具有光焦度的第六透镜；具有光焦度的第七透镜，其 像侧面可为凸面；以及具有光焦度的第八透镜。其中，第一透镜至第八透镜中任意相邻两透镜之间均具有空气间隔；光学成像镜头的总有效焦距f与光学成像镜头的入瞳直径EPD可满足f/EPD≤2.0。
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1.0＜f/f2＜1.5。
在一个实施方式中，光学成像镜头的总有效焦距f、第一透镜的有效焦距f1和第二透镜的有效焦距f2可满足1.0＜|f/f1|+|f/f2|＜1.5。
在一个实施方式中，第二透镜的有效焦距f2与第二透镜于光轴上的中心厚度CT2可满足5.5≤f2/CT2＜6.5。
在一个实施方式中，第二透镜的物侧面可为凸面；第二透镜的有效焦距f2与第二透镜物侧面的曲率半径R3可满足1.5＜f2/R3＜2.5。
在一个实施方式中，第一透镜的物侧面可为凸面；光学成像镜头的总有效焦距f与第一透镜物侧面的曲率半径R1可满足2＜f/R1＜2.5。
在一个实施方式中，第八透镜的像侧面可为凹面；光学成像镜头的总有效焦距f与第八透镜像侧面的曲率半径R16可满足1.5＜f/R16＜3.0。
在一个实施方式中，第八透镜像侧面的曲率半径R16与第七透镜像侧面的曲率半径R14可满足1.0＜|R16/R14|＜1.5。
在一个实施方式中，第七透镜物侧面的曲率半径R13与第七透镜像侧面的曲率半径R14可满足-33＜(R13+R14)/(R13-R14)＜1。
在一个实施方式中，第八透镜的有效焦距f8与第八透镜于光轴上的中心厚度CT8可满足-11＜f8/CT8＜-7。
在一个实施方式中，第八透镜的像侧面在最大有效半口径处的矢高SAG82与第八透镜于光轴上的中心厚度CT8可满足-3.0＜SAG82/CT8＜-1.5。
在一个实施方式中，光学成像镜头的光学总长度TTL与光学成像镜头的成像面上有效像素区域对角线长的一半ImgH可满足TTL/ImgH≤1.50。
在一个实施方式中，第二透镜于光轴上的中心厚度CT2与第三透 镜于光轴上的中心厚度CT3可满足2.5＜CT2/CT3＜3.5。
在一个实施方式中，第四透镜和第五透镜在光轴上的间隔距离T45与第六透镜和第七透镜在光轴上的间隔距离T67可满足1.0＜T45/T67＜4.5。
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：具有光焦度的第一透镜，其物侧面可为凸面；具有正光焦度的第二透镜，其物侧面可为凸面；具有光焦度的第三透镜；具有光焦度的第四透镜；具有光焦度的第五透镜；具有光焦度的第六透镜；具有光焦度的第七透镜，其像侧面可为凸面；以及具有光焦度的第八透镜，其像侧面可为凹面。其中，光学成像镜头的总有效焦距f、第一透镜的有效焦距f1和第二透镜的有效焦距f2可满足1.0＜|f/f1|+|f/f2|＜1.5。
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：具有光焦度的第一透镜；具有正光焦度的第二透镜；具有光焦度的第三透镜；具有光焦度的第四透镜；具有光焦度的第五透镜；具有光焦度的第六透镜；具有光焦度的第七透镜，其像侧面可为凸面；以及具有光焦度的第八透镜。其中，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1.0＜f/f2＜1.5。
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：具有光焦度的第一透镜；具有正光焦度的第二透镜；具有光焦度的第三透镜；具有光焦度的第四透镜；具有光焦度的第五透镜；具有光焦度的第六透镜；具有光焦度的第七透镜，其像侧面可为凸面；以及具有光焦度的第八透镜。其中，第二透镜的有效焦距f2与第二透镜于光轴上的中心厚度CT2可满足5.5≤f2/CT2＜6.5。
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：具有光焦度的第一透镜；具有正光焦度的第二透镜；具有光焦度的第三透镜；具有光焦度的第四透镜；具有光焦度的第五透镜；具有光焦度的第六透镜；具有光焦度的第七透镜，其像侧面可为凸面；以及具有光焦度的第八透镜。其中，第二透镜的 有效焦距f2与第二透镜物侧面的曲率半径R3可满足1.5＜f2/R3＜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：具有光焦度的第一透镜；具有正光焦度的第二透镜；具有光焦度的第三透镜；具有光焦度的第四透镜；具有光焦度的第五透镜；具有光焦度的第六透镜；具有光焦度的第七透镜，其像侧面可为凸面；以及具有光焦度的第八透镜。其中，光学成像镜头的总有效焦距f与第一透镜物侧面的曲率半径R1可满足2＜f/R1＜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：具有光焦度的第一透镜；具有正光焦度的第二透镜；具有光焦度的第三透镜；具有光焦度的第四透镜；具有光焦度的第五透镜；具有光焦度的第六透镜；具有光焦度的第七透镜，其像侧面可为凸面；以及具有光焦度的第八透镜。其中，光学成像镜头的总有效焦距f与第八透镜像侧面的曲率半径R16可满足1.5＜f/R16＜3.0。
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：具有光焦度的第一透镜；具有正光焦度的第二透镜；具有光焦度的第三透镜；具有光焦度的第四透镜；具有光焦度的第五透镜；具有光焦度的第六透镜；具有光焦度的第七透镜，其像侧面可为凸面；以及具有光焦度的第八透镜。其中，第八透镜像侧面的曲率半径R16与第七透镜像侧面的曲率半径R14可满足1.0＜|R16/R14|＜1.5。
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：具有光焦度的第一透镜；具有正光焦度的第二透镜；具有光焦度的第三透镜；具有光焦度的第四透镜；具有光焦度的第五透镜；具有光焦度的第六透镜；具有光焦度的第七透镜，其像侧面可为凸面；以及具有光焦度的第八透镜。其中，第七透镜物侧面的曲率半径R13与第七透镜像侧面的曲率半径R14可满足-33＜(R13+R14)/(R13-R14)＜1。
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：具有光焦度的第一透镜；具有正光焦度的第二透镜；具有光焦度的第三透镜；具有光焦度的第四透镜；具有光焦度的第五透镜；具有光焦度的第六透镜；具有光焦度的第七透镜，其像侧面可为凸面；以及具有光焦度的第八透镜。其中，第八透镜的有效焦距f8与第八透镜于光轴上的中心厚度CT8可满足-11＜f8/CT8＜-7。
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：具有光焦度的第一透镜；具有正光焦度的第二透镜；具有光焦度的第三透镜；具有光焦度的第四透镜；具有光焦度的第五透镜；具有光焦度的第六透镜；具有光焦度的第七透镜，其像侧面可为凸面；以及具有光焦度的第八透镜。其中，第八透镜的像侧面在最大有效半口径处的矢高SAG82与第八透镜于光轴上的中心厚度CT8可满足-3.0＜SAG82/CT8＜-1.5。
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：具有光焦度的第一透镜；具有正光焦度的第二透镜；具有光焦度的第三透镜；具有光焦度的第四透镜；具有光焦度的第五透镜；具有光焦度的第六透镜；具有光焦度的第七透镜，其像侧面可为凸面；以及具有光焦度的第八透镜。其中，光学成像镜头的光学总长度TTL与光学成像镜头的成像面上有效像素区域对角线长的一半ImgH可满足TTL/ImgH≤1.50。
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：具有光焦度的第一透镜；具有正光焦度的第二透镜；具有光焦度的第三透镜；具有光焦度的第四透镜；具有光焦度的第五透镜；具有光焦度的第六透镜；具有光焦度的第七透镜，其像侧面可为凸面；以及具有光焦度的第八透镜。其中，第二透镜于光轴上的中心厚度CT2与第三透镜于光轴上的中心厚度CT3可满足2.5＜CT2/CT3＜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：具有光焦度的第一透镜；具有正光焦度的第二透镜；具有光焦度的第三透镜；具有光焦度的第四透镜；具有光 焦度的第五透镜；具有光焦度的第六透镜；具有光焦度的第七透镜，其像侧面可为凸面；以及具有光焦度的第八透镜。其中，第四透镜和第五透镜在光轴上的间隔距离T45与第六透镜和第七透镜在光轴上的间隔距离T67可满足1.0＜T45/T67＜4.5。
本申请采用了多片(例如，八片)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、大孔径、低敏感度、良好的可加工性、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；
图21示出了根据本申请实施例11的光学成像镜头的结构示意图；
图22A至图22D分别示出了实施例11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23示出了根据本申请实施例12的光学成像镜头的结构示意图；
图24A至图24D分别示出了实施例12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25示出了根据本申请实施例13的光学成像镜头的结构示意图；
图26A至图26D分别示出了实施例13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。每个透镜中最靠近物体的表面称为物侧面，每个透镜中最靠近成像面的表面称为像侧面。
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八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、第六透镜、第七透镜和第八透镜。这八片透镜沿着光轴由物侧至像侧依序排列，且第一透镜至第八透镜中任意相邻两透镜之间均具有空气间隔。
在示例性实施方式中，第一透镜的物侧面可为凸面，像侧面可为凹面。
在示例性实施方式中，第二透镜可具有正光焦度，其物侧面可为凸面，像侧面可为凹面。
在示例性实施方式中，第三透镜可具有负光焦度，其物侧面可为凸面，像侧面可为凹面。
在示例性实施方式中，第七透镜的像侧面可为凸面。
在示例性实施方式中，第八透镜可具有负光焦度，其物侧面可为凹面，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f/EPD≤2.0，其中，f为光学成像镜头的总有效焦距，EPD为光学成像镜头的入瞳直径。更具体地，f和EPD进一步可满足1.67≤f/EPD≤1.90。将镜头配置成满足条件式f/EPD≤2.0，可使得镜头具有大光圈优势，增强镜头在光线较弱的环境下的成像效果；同时还有利于减小边缘视场的像差。
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TTL/ImgH≤1.50，其中，TTL为光学成像镜头的光学总长度(即，从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)，ImgH为成像面上有效像素区域对角线长的一半。更具体地，TTL和ImgH进一步可满足1.44≤TTL/ImgH≤1.50。满足条件式TTL/ImgH≤1.50，能够有效地压缩成像系统的尺寸，保证成像系统具有较为紧凑的结构特性。
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1.0＜|f/f1|+|f/f2|＜1.5，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，f2为第二透镜的有效焦距。更具体地，f、f1和f2进一步可满足1.1＜|f/f1|+|f/f2|＜1.3，例如，1.18≤|f/f1|+|f/f2|≤1.28。合理分配第一透镜和第二透镜的光焦度，有利于减小光线的偏转角， 降低系统的敏感性。
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1.0＜f/f2＜1.5，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1.1＜f/f2＜1.3，例如，1.15≤f/f2≤1.26。合理分配第二透镜的光焦度，可使得成像系统具有较佳的平衡场曲的能力。
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1.5＜f/R16＜3.0，其中，f为光学成像镜头的总有效焦距，R16为第八透镜的像侧面的曲率半径。更具体地，f和R16进一步可满足1.7＜f/R16＜2.6，例如，1.72≤f/R16≤2.52。合理布置第八透镜像侧面的曲率半径，有利于成像系统与常用芯片的匹配。
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2.5＜CT2/CT3＜3.5，其中，CT2为第二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，CT2和CT3进一步可满足2.7＜CT2/CT3＜3.2，例如，2.76≤CT2/CT3≤3.17。合理分配第二透镜和第三透镜的中心厚度，能够使得成像系统具有较好的平衡慧差的能力。
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-11＜f8/CT8＜-7，其中，f8为第八透镜的有效焦距，CT8为第八透镜于光轴上的中心厚度。更具体地，f8和CT8进一步可满足-10.13≤f8/CT8≤-7.44。通过合理控制f8和CT8的比值，能够有效地缩小成像系统的后端尺寸。
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/R1＜2.5，其中，f为光学成像镜头的总有效焦距，R1为第一透镜的物侧面的曲率半径。更具体地，f和R1进一步可满足2.1＜f/R1＜2.4，例如，2.16≤f/R1≤2.38。通过合理布置第一透镜物侧面的曲率半径，能够有效地平衡成像系统的像差，提升成像系统的光学性能。
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1.0＜|R16/R14|＜1.5，其中，R16为第八透镜的像侧面的曲率半径，R14为第七透镜的像侧面的曲率半径。更具体地，R16和R14进一步可满 足1.0＜|R16/R14|＜1.2，例如，1.01≤|R16/R14|≤1.11。通过合理布置第七透镜和第八透镜的曲率半径，能够较好地平衡成像系统的场曲和畸变。
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-3.0＜SAG82/CT8＜-1.5，其中，SAG82为第八透镜像侧面在最大有效半口径处的矢高(即，第八透镜的像侧面和光轴的交点与第八透镜像侧面的最大有效半口径顶点在光轴上的距离)。更具体地，SAG82和CT8进一步可满足-2.8＜SAG82/CT8＜-1.6，例如，-2.71≤SAG82/CT8≤-1.66。通过合理控制SAG82和CT8的比值，以合理调整系统的主光线角度，进而能够有效地提高成像系统的相对亮度，提升像面清晰度。
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5.5≤f2/CT2＜6.5，其中，f2为第二透镜的有效焦距，CT2为第二透镜于光轴上的中心厚度。更具体地，f2和CT2进一步可满足5.51≤f2/CT2≤6.44。合理控制f2和CT2的比值，能够有效地控制光线偏折，减小光学成像系统的前端尺寸。
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1.5＜f2/R3＜2.5，其中，f2为第二透镜的有效焦距，R3为第二透镜的物侧面的曲率半径。更具体地，f2和R3进一步可满足1.9＜f2/R3＜2.1，例如，1.95≤f2/R3≤2.02。通过合理布置第二透镜的物侧面的曲率半径，能够使得成像系统具有较好的平衡象散的能力。
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1.0＜T45/T67＜4.5，其中，T45为第四透镜和第五透镜在光轴上的间隔距离，T67为第六透镜和第七透镜在光轴上的间隔距离。更具体地，T45和T67进一步可满足1.0＜T45/T67＜4.3，例如，1.03≤T45/T67≤4.22。合理控制T45和T67的比值，能够使得成像系统具有较好的平衡色散的能力。
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-33＜(R13+R14)/(R13-R14)＜1，其中，R13为第七透镜的物侧面的曲率半径，R14为第七透镜的像侧面的曲率半径。更具体地，R13和R14进一步可满足-32.33≤(R13+R14)/(R13-R14)≤0.99。合理布置第七透镜物 侧面和像侧面的曲率半径，能够使得成像系统较好地匹配芯片的主光线角度。
在示例性实施方式中，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。例如，光阑可设置在第二透镜与第三透镜之间。
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。
根据本申请的上述实施方式的光学成像镜头可采用多片镜片，例如上文所述的八片。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，可有效地缩小镜头的体积、降低镜头的敏感度并提高镜头的可加工性，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。同时，通过上述配置的光学成像镜头，还具有例如小型化、大孔径、高成像品质等特性。上述光学成像镜头与高分辨率的成像芯片匹配使用时，能够实现较佳的成像效果。
在本申请的实施方式中，各透镜的镜面均为非球面镜面。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八个透镜为例进行了描述，但是该光学成像镜头不限于包括八个透镜。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：第一透镜E1、第二透镜E2、光阑STO、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、第七透镜E7、第八透镜E8、滤光片E9和成像面S19。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，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为凸面。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为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凸面。第八透镜E8具有负光焦度，其物侧面S15为凹面，像侧面S16为凹面。滤光片E9具有物侧面S17和像侧面S18。来自物体的光依序穿过各表面S1至S18并最终成像在成像面S19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 PCTCN2018092874-appb-000001
Figure PCTCN2018092874-appb-000002
表1
由表1可知，第一透镜E1至第八透镜E8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 PCTCN2018092874-appb-000003
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-S16的高次项系数A 4、A 6、A 8、A 10、A 12、A 14、A 16、A 18和A 20。
面号 A4 A6 A8 A10 A12 A14 A16 A18 A20
S1 -2.8757E-03 -2.6715E-02 7.0465E-02 -9.4968E-02 5.7426E-02 5.6138E-03 -3.8444E-02 2.3434E-02 -4.6951E-03
S2 -2.2838E-03 -1.8213E-01 9.4190E-01 -2.6138E+00 4.7822E+00 -5.7128E+00 4.2255E+00 -1.7542E+00 3.0995E-01
S3 -8.2854E-03 -9.6483E-02 4.7157E-01 -1.1060E+00 1.6421E+00 -1.4981E+00 7.2660E-01 -1.0704E-01 -2.7156E-02
S4 -7.0370E-02 9.3251E-02 -3.0568E-02 -3.8895E-01 1.3450E+00 -2.3179E+00 2.2832E+00 -1.2018E+00 2.5745E-01
S5 -1.4159E-01 2.6893E-01 -2.2207E-01 -2.1377E-01 1.3725E+00 -2.9645E+00 3.5857E+00 -2.3315E+00 6.2558E-01
S6 -9.0205E-02 1.8492E-01 1.7001E-01 -1.9054E+00 6.7992E+00 -1.4244E+01 1.7988E+01 -1.2531E+01 3.6982E+00
S7 -7.6478E-02 -3.8747E-02 4.3032E-01 -2.8152E+00 9.6268E+00 -1.9848E+01 2.4443E+01 -1.6568E+01 4.7635E+00
S8 -1.3540E-01 1.0858E-01 -4.4991E-01 1.0751E+00 -1.9829E+00 2.4051E+00 -1.7362E+00 6.7712E-01 -1.1701E-01
S9 -2.4491E-01 2.6719E-01 -8.0746E-01 2.0135E+00 -3.5877E+00 4.0526E+00 -2.6395E+00 8.8949E-01 -1.2006E-01
S10 -2.1414E-01 1.6899E-01 -2.8003E-01 4.9096E-01 -6.4260E-01 5.4312E-01 -2.6854E-01 6.9301E-02 -7.0717E-03
S11 -9.6204E-02 -1.3289E-02 -9.0648E-02 3.0570E-01 -4.2358E-01 3.2724E-01 -1.4923E-01 3.7584E-02 -4.0009E-03
S12 -9.5969E-02 1.3525E-02 -1.5051E-01 3.7645E-01 -4.7731E-01 3.5450E-01 -1.5689E-01 3.8229E-02 -3.9186E-03
S13 -1.0827E-01 5.1696E-02 -1.5786E-01 3.0429E-01 -3.5620E-01 2.5463E-01 -1.0980E-01 2.6191E-02 -2.6315E-03
S14 -7.8363E-02 4.5589E-02 -4.7405E-02 5.6774E-02 -3.9560E-02 1.6183E-02 -3.8799E-03 5.0395E-04 -2.7350E-05
S15 -2.0315E-01 1.5775E-01 -7.5563E-02 2.9300E-02 -8.4139E-03 1.6247E-03 -1.9723E-04 1.3613E-05 -4.0881E-07
S16 -1.3032E-01 1.0120E-01 -5.6012E-02 2.1259E-02 -5.5486E-03 9.7033E-04 -1.0824E-04 6.9500E-06 -1.9499E-07
表2
在实施例1中，光学成像镜头的总有效焦距f＝3.99mm；第一透镜E1的有效焦距f1＝106.47mm；第二透镜E2的有效焦距f2＝3.41mm；第三透镜E3的有效焦距f3＝-7.59mm；第四透镜E4的有效焦距f4＝13.37mm；第五透镜E5的有效焦距f5＝-20.62mm；第六透镜E6的有效焦距f6＝-172.11mm；第七透镜E7的有效焦距f7＝2.61mm；第八透镜E8的有效焦距f8＝-1.93mm。光学成像镜头的光学总长度(即，从第一透镜E1的物侧面S1的中心至成像面S19在光轴上的距离)TTL＝4.91mm。光学成像镜头的成像面S19上有效像素区域对角线长的一半ImgH＝3.41mm。
实施例1中的光学成像镜头满足：
f/EPD＝1.80，其中，f为光学成像镜头的总有效焦距，EPD为光学成像镜头的入瞳直径；
TTL/ImgH＝1.44，其中，TTL为光学成像镜头的光学总长度，ImgH为成像面S19上有效像素区域对角线长的一半；
|f/f1|+|f/f2|＝1.21，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，f2为第二透镜E2的有效焦距；
f/f2＝1.17，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；
f/R16＝2.40，其中，f为光学成像镜头的总有效焦距，R16为第八透镜像侧面S16的曲率半径；
CT2/CT3＝2.90，其中，CT2为第二透镜E2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；
f8/CT8＝-9.55，其中，f8为第八透镜E8的有效焦距，CT8为第八透镜E8于光轴上的中心厚度；
f/R1＝2.28，其中，f为光学成像镜头的总有效焦距，R1为第一透镜E1物侧面S1的曲率半径；
|R16/R14|＝1.04，其中，R16为第八透镜E8像侧面S16的曲率半径，R14为第七透镜E7像侧面S14的曲率半径；
SAG82/CT8＝-2.63，其中，SAG82为第八透镜E8像侧面S16在最大有效半口径处的矢高，CT8为第八透镜E8于光轴上的中心厚度；
f2/CT2＝5.87，其中，f2为第二透镜E2的有效焦距，CT2为第二透镜E2于光轴上的中心厚度；
f2/R3＝2.02，其中，f2为第二透镜E2的有效焦距，R3为第二透镜E2物侧面S3的曲率半径；
T45/T67＝3.71，其中，T45为第四透镜E4和第五透镜E5在光轴上的间隔距离，T67为第六透镜E6和第七透镜E7在光轴上的间隔距离；
(R13+R14)/(R13-R14)＝0.76，其中，R13为第七透镜E7物侧面S13的曲率半径，R14为第七透镜E7像侧面S14的曲率半径。
另外，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：第一透镜E1、第二透镜E2、光阑STO、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、第七透镜E7、第八透镜E8、滤光片E9和成像面S19。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，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为凸面。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为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凸面。第八透镜E8具有负光焦度，其物侧面S15为凹面，像侧面S16为凹面。滤光片E9具有物侧面S17和像侧面S18。来自物体的光依序穿过各表面S1至S18并最终成像在成像面S19上。
表3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 PCTCN2018092874-appb-000004
表3
由表3可知，在实施例2中，第一透镜E1至第八透镜E8中的任意一个透镜的物侧面和像侧面均为非球面。表4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 A18 A20
S1 -1.0986E-02 1.3416E-02 -5.9978E-02 1.7564E-01 -3.1039E-01 3.2128E-01 -1.9534E-01 6.3553E-02 -8.5205E-03
S2 -2.5269E-02 3.3919E-02 -4.5690E-02 1.7371E-01 -4.2270E-01 5.4675E-01 -3.8975E-01 1.4006E-01 -1.9655E-02
S3 -2.1968E-02 5.6931E-02 -1.5586E-01 4.2150E-01 -7.6254E-01 8.5567E-01 -5.7584E-01 2.1305E-01 -3.3807E-02
S4 -3.7321E-02 3.5651E-02 5.8630E-02 -4.0803E-01 9.5364E-01 -1.2397E+00 9.4403E-01 -3.8996E-01 6.6732E-02
S5 -9.3311E-02 1.5849E-01 -7.0679E-02 -3.5459E-01 1.1719E+00 -1.8007E+00 1.5731E+00 -7.4328E-01 1.4651E-01
S6 -6.1789E-02 1.1253E-01 7.9954E-02 -7.7033E-01 2.1120E+00 -3.2753E+00 3.0702E+00 -1.6086E+00 3.6416E-01
S7 -8.0342E-02 8.2776E-02 -4.8266E-01 1.1733E+00 -1.7006E+00 1.1826E+00 -9.6908E-03 -4.5907E-01 1.8287E-01
S8 -1.0771E-01 6.2642E-02 -3.3207E-01 8.0573E-01 -1.5634E+00 2.0668E+00 -1.6573E+00 7.3560E-01 -1.4325E-01
S9 -2.3470E-01 2.1313E-01 -4.6656E-01 7.4924E-01 -9.0053E-01 6.7043E-01 -1.4052E-01 -1.2098E-01 5.5998E-02
S10 -1.7715E-01 6.8830E-02 7.4420E-02 -3.7404E-01 6.3665E-01 -5.9936E-01 3.3553E-01 -1.0617E-01 1.4776E-02
S11 -7.4997E-02 8.0128E-03 2.2727E-02 -3.7437E-02 -2.7954E-03 3.7185E-02 -2.9448E-02 9.4035E-03 -1.0876E-03
S12 -1.3713E-01 4.9404E-02 -8.5346E-02 2.2264E-01 -3.2583E-01 2.6496E-01 -1.2339E-01 3.0807E-02 -3.1780E-03
S13 -7.4819E-02 8.6327E-03 -1.5165E-01 3.1120E-01 -3.3514E-01 2.1794E-01 -8.7105E-02 1.9678E-02 -1.8983E-03
S14 -2.0690E-02 2.1127E-03 -6.9187E-02 8.5820E-02 -4.9790E-02 1.7027E-02 -3.5128E-03 4.0268E-04 -1.9622E-05
S15 -1.2986E-01 6.2864E-02 -3.4212E-02 2.6119E-02 -1.1544E-02 2.8272E-03 -3.9418E-04 2.9615E-05 -9.3691E-07
S16 -1.0110E-01 6.9683E-02 -3.5212E-02 1.2681E-02 -3.2228E-03 5.5360E-04 -6.0727E-05 3.8340E-06 -1.0578E-07
表4
在实施例2中，光学成像镜头的总有效焦距f＝4.06mm；第一透镜E1的有效焦距f1＝169.37mm；第二透镜E2的有效焦距f2＝3.51mm；第三透镜E3的有效焦距f3＝-7.58mm；第四透镜E4的有效焦距f4＝12.07mm；第五透镜E5的有效焦距f5＝-22.74mm；第六透镜E6的有效焦距f6＝-256.41mm；第七透镜E7的有效焦距f7＝2.96mm；第八透镜E8的有效焦距f8＝-2.02mm。光学成像镜头的光学总长度(即，从第一透镜E1的物侧面S1的中心至成像面S19在光轴上的距离)TTL＝5.10mm。光学成像镜头的成像面S19上有效像素区域对角线长的一半ImgH＝3.41mm。
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：第一透镜E1、第二透镜E2、光阑STO、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、第七透镜E7、第八透镜E8、滤光片E9和成像面S19。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，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为凸面。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为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凸面。第八透镜E8具有负光焦度，其物侧面S15为凹面，像侧面S16为凹面。滤光片E9具有物侧面S17和像侧面S18。来自物体的光依序穿过各表面S1至S18并最终成像在成像面S19上。
表5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 PCTCN2018092874-appb-000005
Figure PCTCN2018092874-appb-000006
表5
由表5可知，在实施例3中，第一透镜E1至第八透镜E8中的任意一个透镜的物侧面和像侧面均为非球面。表6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 A18 A20
S1 -1.0724E-02 1.1720E-02 -4.9906E-02 1.4832E-01 -2.6819E-01 2.8244E-01 -1.7456E-01 5.7589E-02 -7.8140E-03
S2 -2.5359E-02 3.2063E-02 -2.9240E-02 1.2901E-01 -3.5495E-01 4.8201E-01 -3.5022E-01 1.2537E-01 -1.7157E-02
S3 -2.3209E-02 6.0228E-02 -1.5941E-01 4.2262E-01 -7.6659E-01 8.6887E-01 -5.9258E-01 2.2310E-01 -3.6315E-02
S4 -3.7630E-02 3.4484E-02 8.0420E-02 -5.0923E-01 1.1938E+00 -1.5697E+00 1.2094E+00 -5.0536E-01 8.7466E-02
S5 -9.4811E-02 1.7316E-01 -1.3406E-01 -1.5833E-01 7.4666E-01 -1.1937E+00 1.0393E+00 -4.8280E-01 9.2474E-02
S6 -6.1583E-02 1.0437E-01 1.7748E-01 -1.2358E+00 3.3682E+00 -5.3306E+00 5.0917E+00 -2.7082E+00 6.1853E-01
S7 -8.2319E-02 8.6318E-02 -4.7441E-01 1.0190E+00 -1.0350E+00 -2.7069E-01 1.7415E+00 -1.5699E+00 4.7266E-01
S8 -1.0685E-01 6.2083E-02 -3.8852E-01 1.1274E+00 -2.3941E+00 3.2954E+00 -2.7195E+00 1.2338E+00 -2.4145E-01
S9 -2.3805E-01 2.2190E-01 -4.9431E-01 7.8738E-01 -8.7300E-01 5.4937E-01 -8.8404E-03 -1.8800E-01 6.9668E-02
S10 -1.7713E-01 6.2414E-02 1.0177E-01 -4.3694E-01 7.2889E-01 -6.8289E-01 3.8093E-01 -1.1983E-01 1.6524E-02
S11 -7.8279E-02 1.4357E-02 1.1917E-02 -2.1918E-02 -1.8049E-02 4.6642E-02 -3.3011E-02 1.0153E-02 -1.1549E-03
S12 -1.3670E-01 4.8877E-02 -8.6033E-02 2.2618E-01 -3.3175E-01 2.7017E-01 -1.2604E-01 3.1545E-02 -3.2638E-03
S13 -7.4964E-02 9.9214E-03 -1.5158E-01 3.0863E-01 -3.3146E-01 2.1538E-01 -8.6053E-02 1.9429E-02 -1.8728E-03
S14 -2.0912E-02 2.2085E-03 -6.6556E-02 8.1504E-02 -4.6421E-02 1.5553E-02 -3.1479E-03 3.5508E-04 -1.7082E-05
S15 -1.2918E-01 6.1548E-02 -3.2958E-02 2.5396E-02 -1.1309E-02 2.7841E-03 -3.8990E-04 2.9417E-05 -9.3444E-07
S16 -1.0013E-01 6.7645E-02 -3.3516E-02 1.1824E-02 -2.9467E-03 4.9702E-04 -5.3638E-05 3.3407E-06 -9.1224E-08
表6
在实施例3中，光学成像镜头的总有效焦距f＝4.06mm；第一透镜E1的有效焦距f1＝210.66mm；第二透镜E2的有效焦距f2＝3.48mm；第三透镜E3的有效焦距f3＝-7.48mm；第四透镜E4的有效焦距f4＝11.94mm；第五透镜E5的有效焦距f5＝-22.39mm；第六透镜E6的有效焦距f6＝-226.96mm；第七透镜E7的有效焦距f7＝2.95mm；第八透镜E8的有效焦距f8＝-2.03mm。光学成像镜头的光学总长度(即， 从第一透镜E1的物侧面S1的中心至成像面S19在光轴上的距离)TTL＝5.10mm。光学成像镜头的成像面S19上有效像素区域对角线长的一半ImgH＝3.41mm。
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：第一透镜E1、第二透镜E2、光阑STO、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、第七透镜E7、第八透镜E8、滤光片E9和成像面S19。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，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为凸面。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具有正光焦度，其物侧面S11为凸面，像侧面S12为凸面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凸面。第八透镜E8具有负光焦度，其物侧面S15为凹面，像侧面S16为凹面。滤光片E9具有物侧面S17和像侧面S18。来自物体的光依序穿过各表面S1至S18并最终成像在成像面S19上。
表7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 PCTCN2018092874-appb-000007
表7
由表7可知，在实施例4中，第一透镜E1至第八透镜E8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 A18 A20
S1 -1.1533E-02 3.1170E-02 -1.2612E-01 3.1584E-01 -5.0242E-01 4.8896E-01 -2.8916E-01 9.4321E-02 -1.3002E-02
S2 -3.0787E-02 5.1476E-02 3.6245E-02 -3.7721E-01 1.1854E+00 -2.0794E+00 2.0419E+00 -1.0526E+00 2.1933E-01
S3 -3.3210E-02 9.3265E-02 -2.6687E-01 7.2154E-01 -1.2672E+00 1.3839E+00 -9.5328E-01 4.0952E-01 -8.9960E-02
S4 -7.4928E-02 1.2154E-01 -2.2441E-01 4.4768E-01 -8.5984E-01 1.2330E+00 -1.1135E+00 5.7429E-01 -1.3387E-01
S5 -1.3432E-01 2.5135E-01 -1.8487E-01 -3.7184E-01 1.8769E+00 -3.9651E+00 4.8281E+00 -3.2108E+00 8.8993E-01
S6 -8.2457E-02 1.7849E-01 8.7396E-02 -1.5655E+00 6.0354E+00 -1.3260E+01 1.7437E+01 -1.2621E+01 3.8607E+00
S7 -7.7137E-02 6.2936E-02 -4.9079E-01 1.8172E+00 -4.8462E+00 8.3279E+00 -8.6870E+00 4.9438E+00 -1.1469E+00
S8 -1.3508E-01 1.9068E-01 -9.6645E-01 2.8631E+00 -5.9531E+00 7.9883E+00 -6.5192E+00 2.9673E+00 -5.8983E-01
S9 -2.3486E-01 1.4788E-01 -1.6731E-01 6.2126E-02 1.2570E-01 -4.7388E-01 8.1735E-01 -6.1531E-01 1.6366E-01
S10 -2.0890E-01 5.6420E-02 1.4968E-01 -3.8462E-01 4.5707E-01 -3.2105E-01 1.4577E-01 -4.2647E-02 6.1526E-03
S11 -8.4236E-02 -1.4184E-01 3.4006E-01 -4.4069E-01 3.5360E-01 -1.7123E-01 4.2762E-02 -3.0880E-03 -3.6535E-04
S12 -7.3155E-02 -7.9573E-02 1.4445E-01 -1.3725E-01 6.6653E-02 -7.7247E-03 -7.9014E-03 3.6325E-03 -4.6245E-04
S13 -1.0624E-01 3.9437E-02 -8.9113E-02 1.3939E-01 -1.3728E-01 8.4747E-02 -3.2984E-02 7.4272E-03 -7.1832E-04
S14 -7.4556E-02 5.5139E-02 -8.0791E-02 9.6396E-02 -6.5147E-02 2.5853E-02 -6.0045E-03 7.5546E-04 -3.9771E-05
S15 -1.9481E-01 1.4992E-01 -7.2975E-02 2.8996E-02 -8.4317E-03 1.6299E-03 -1.9673E-04 1.3449E-05 -3.9923E-07
S16 -1.1794E-01 8.8818E-02 -4.7317E-02 1.7298E-02 -4.3334E-03 7.2392E-04 -7.6633E-05 4.6342E-06 -1.2162E-07
表8
在实施例4中，光学成像镜头的总有效焦距f＝4.09mm；第一透镜E1的有效焦距f1＝62.33mm；第二透镜E2的有效焦距f2＝3.56mm；第三透镜E3的有效焦距f3＝-7.77mm；第四透镜E4的有效焦距f4＝14.45mm；第五透镜E5的有效焦距f5＝-24.35mm；第六透镜E6的有效焦距f6＝25.28mm；第七透镜E7的有效焦距f7＝3.07mm；第八透镜E8的有效焦距f8＝-1.97mm。光学成像镜头的光学总长度(即，从第一透镜E1的物侧面S1的中心至成像面S19在光轴上的距离)TTL＝5.07mm。光学成像镜头的成像面S19上有效像素区域对角线长的一半ImgH＝3.41mm。
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：第一透镜E1、第二透镜E2、光阑STO、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、第七透镜E7、第八透镜E8、滤光片E9和成像面S19。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，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为凸面。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具有正光焦度，其物侧面S11为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凸面。第八透镜E8具有负光焦度，其物侧面S15为凹面，像侧面S16为凹面。滤光片E9具有物侧面S17和像侧面S18。来自物体的光依序穿过各表面S1至S18并最终成像在成像面S19上。
表9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 PCTCN2018092874-appb-000008
表9
由表9可知，在实施例5中，第一透镜E1至第八透镜E8中的任意一个透镜的物侧面和像侧面均为非球面。表10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 A18 A20
S1 -7.8028E-03 4.4916E-03 -3.2446E-02 1.3448E-01 -2.8066E-01 3.2047E-01 -2.1406E-01 7.6616E-02 -1.1374E-02
S2 -1.8233E-02 -5.2813E-02 4.1561E-01 -1.2097E+00 2.2927E+00 -2.8870E+00 2.2672E+00 -1.0005E+00 1.8670E-01
S3 -1.9617E-02 -3.3731E-03 1.0278E-01 -1.8240E-01 1.3936E-01 1.7039E-02 -1.5270E-01 1.4324E-01 -4.7990E-02
S4 -6.5829E-02 8.1194E-02 2.5716E-02 -5.9664E-01 1.7879E+00 -2.8643E+00 2.6629E+00 -1.3346E+00 2.7491E-01
S5 -1.3511E-01 2.5992E-01 -2.3192E-01 -1.5742E-01 1.1646E+00 -2.4252E+00 2.7921E+00 -1.7339E+00 4.4596E-01
S6 -8.6052E-02 1.6446E-01 3.3150E-01 -2.8902E+00 1.0181E+01 -2.1109E+01 2.6210E+01 -1.7907E+01 5.1756E+00
S7 -7.8428E-02 3.1224E-02 -1.1923E-01 -2.2855E-01 2.0217E+00 -5.7672E+00 8.4992E+00 -6.4890E+00 2.0398E+00
S8 -1.3021E-01 7.6995E-02 -2.5405E-01 3.1331E-01 -1.5360E-01 -3.2634E-01 7.0394E-01 -5.0821E-01 1.2330E-01
S9 -2.3739E-01 1.8260E-01 -3.9655E-01 7.6198E-01 -1.0961E+00 8.5040E-01 -1.1427E-01 -2.1039E-01 8.1147E-02
S10 -2.0576E-01 1.1058E-01 -1.0325E-01 1.4953E-01 -1.9374E-01 1.5111E-01 -5.3759E-02 3.0202E-03 1.6664E-03
S11 -8.6880E-02 -5.4044E-02 1.2476E-02 1.3233E-01 -2.3289E-01 1.9243E-01 -9.0337E-02 2.3106E-02 -2.4686E-03
S12 -9.6945E-02 1.4911E-02 -1.4213E-01 3.5224E-01 -4.4654E-01 3.3226E-01 -1.4734E-01 3.5955E-02 -3.6888E-03
S13 -1.0546E-01 4.9200E-02 -1.5120E-01 2.9043E-01 -3.3538E-01 2.3587E-01 -1.0006E-01 2.3505E-02 -2.3286E-03
S14 -6.6994E-02 2.8398E-02 -3.1897E-02 4.6006E-02 -3.4071E-02 1.4168E-02 -3.3827E-03 4.3278E-04 -2.2996E-05
S15 -2.0321E-01 1.5670E-01 -7.3698E-02 2.7936E-02 -7.8540E-03 1.4869E-03 -1.7693E-04 1.1957E-05 -3.5098E-07
S16 -1.2753E-01 9.8025E-02 -5.2745E-02 1.9325E-02 -4.8528E-03 8.1547E-04 -8.7481E-05 5.4151E-06 -1.4691E-07
表10
在实施例5中，光学成像镜头的总有效焦距f＝4.03mm；第一透镜E1的有效焦距f1＝500.00mm；第二透镜E2的有效焦距f2＝3.36mm；第三透镜E3的有效焦距f3＝-7.58mm；第四透镜E4的有效焦距f4＝12.83mm；第五透镜E5的有效焦距f5＝-17.90mm；第六透镜E6的有效焦距f6＝413.11mm；第七透镜E7的有效焦距f7＝2.62mm；第八透镜E8的有效焦距f8＝-1.89mm。光学成像镜头的光学总长度(即，从第一透镜E1的物侧面S1的中心至成像面S19在光轴上的距离)TTL＝4.98mm。光学成像镜头的成像面S19上有效像素区域对角线长的一半ImgH＝3.41mm。
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：第一透镜E1、第二透镜E2、光阑STO、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、第七透镜E7、第八透镜E8、滤光片E9和成像面S19。
第一透镜E1具有负光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，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为凸面。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为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凸面。第八透镜E8具有负光焦度，其物侧面S15为凹面，像侧面S16为凹面。滤光片E9具有物侧面S17和像侧面S18。来自物体的光依序穿过各表面S1至S18并最终成像在成像面S19上。
表11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 PCTCN2018092874-appb-000009
Figure PCTCN2018092874-appb-000010
表11
由表11可知，在实施例6中，第一透镜E1至第八透镜E8中的任意一个透镜的物侧面和像侧面均为非球面。表12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 A18 A20
S1 -7.6417E-03 -1.7043E-03 2.7390E-02 -5.7375E-02 5.3084E-02 -2.8019E-02 4.0052E-03 1.4282E-03 -3.9785E-04
S2 -2.7363E-02 -1.3982E-02 3.8157E-01 -1.3188E+00 2.6396E+00 -3.3337E+00 2.5679E+00 -1.1014E+00 1.9969E-01
S3 -2.6338E-02 1.6629E-02 1.3546E-01 -4.8063E-01 8.8924E-01 -9.9882E-01 6.4405E-01 -2.0014E-01 1.5991E-02
S4 -6.3051E-02 9.1650E-02 -5.0828E-02 -2.9438E-01 1.0513E+00 -1.7504E+00 1.6478E+00 -8.2597E-01 1.6815E-01
S5 -1.3118E-01 2.5102E-01 -1.8531E-01 -4.2169E-01 1.9700E+00 -3.8227E+00 4.1966E+00 -2.4975E+00 6.2070E-01
S6 -8.5710E-02 1.8512E-01 9.5673E-02 -1.6084E+00 5.8464E+00 -1.1951E+01 1.4557E+01 -9.7650E+00 2.7777E+00
S7 -7.5607E-02 2.3350E-02 -1.2638E-01 -8.8638E-03 9.4410E-01 -3.0641E+00 4.7136E+00 -3.6658E+00 1.1621E+00
S8 -1.2194E-01 8.8359E-02 -4.1538E-01 1.0051E+00 -1.8327E+00 2.1620E+00 -1.5150E+00 5.8229E-01 -1.0289E-01
S9 -2.3527E-01 1.7869E-01 -3.6300E-01 6.1876E-01 -7.6204E-01 4.1971E-01 1.9414E-01 -3.2951E-01 1.0175E-01
S10 -2.0779E-01 1.2214E-01 -1.3388E-01 2.0190E-01 -2.4581E-01 1.8753E-01 -7.3792E-02 9.9345E-03 7.0249E-04
S11 -9.3463E-02 -4.9934E-02 5.3353E-02 6.4190E-03 -5.1870E-02 4.8352E-02 -2.4443E-02 6.6366E-03 -7.0971E-04
S12 -9.5375E-02 1.3310E-02 -1.1281E-01 2.8083E-01 -3.5738E-01 2.6646E-01 -1.1809E-01 2.8699E-02 -2.9219E-03
S13 -1.0404E-01 5.0396E-02 -1.6245E-01 3.1402E-01 -3.5903E-01 2.4903E-01 -1.0426E-01 2.4226E-02 -2.3809E-03
S14 -5.5756E-02 4.3995E-03 -8.0585E-03 2.9007E-02 -2.5054E-02 1.0876E-02 -2.6256E-03 3.3542E-04 -1.7685E-05
S15 -1.9892E-01 1.5262E-01 -7.2451E-02 2.8084E-02 -8.1137E-03 1.5838E-03 -1.9511E-04 1.3707E-05 -4.1969E-07
S16 -1.2295E-01 9.4489E-02 -5.0586E-02 1.8414E-02 -4.5805E-03 7.6035E-04 -8.0286E-05 4.8718E-06 -1.2912E-07
表12
在实施例6中，光学成像镜头的总有效焦距f＝4.11mm；第一透镜E1的有效焦距f1＝-900.00mm；第二透镜E2的有效焦距f2＝3.32mm；第三透镜E3的有效焦距f3＝-7.41mm；第四透镜E4的有效焦距 f4＝12.48mm；第五透镜E5的有效焦距f5＝-17.13mm；第六透镜E6的有效焦距f6＝-59.24mm；第七透镜E7的有效焦距f7＝2.55mm；第八透镜E8的有效焦距f8＝-1.92mm。光学成像镜头的光学总长度(即，从第一透镜E1的物侧面S1的中心至成像面S19在光轴上的距离)TTL＝5.07mm。光学成像镜头的成像面S19上有效像素区域对角线长的一半ImgH＝3.41mm。
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：第一透镜E1、第二透镜E2、光阑STO、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、第七透镜E7、第八透镜E8、滤光片E9和成像面S19。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，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为凸面，像侧面S10为凹面。第六透镜E6具有正光焦度，其物侧面S11为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凸面。第八透镜E8具有负光焦度，其物侧面S15为凹面， 像侧面S16为凹面。滤光片E9具有物侧面S17和像侧面S18。来自物体的光依序穿过各表面S1至S18并最终成像在成像面S19上。
表13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 PCTCN2018092874-appb-000011
表13
由表13可知，在实施例7中，第一透镜E1至第八透镜E8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 A18 A20
S1 -5.0044E-03 -1.6592E-02 6.3917E-02 -1.2022E-01 1.3047E-01 -9.9866E-02 4.8578E-02 -1.4158E-02 1.9083E-03
S2 -1.4885E-02 -1.1101E-01 7.5130E-01 -2.1917E+00 4.0543E+00 -4.9174E+00 3.7175E+00 -1.5783E+00 2.8420E-01
S3 -1.8316E-02 -5.1240E-02 3.6656E-01 -8.9132E-01 1.2734E+00 -1.1017E+00 4.9418E-01 -4.3300E-02 -3.1614E-02
S4 -7.1361E-02 9.8524E-02 -8.5063E-02 -9.6052E-02 4.7830E-01 -8.2175E-01 7.8154E-01 -3.8777E-01 7.3483E-02
S5 -1.2883E-01 2.5204E-01 -3.3047E-01 5.9638E-01 -1.4010E+00 2.4960E+00 -2.6465E+00 1.4936E+00 -3.5080E-01
S6 -7.2988E-02 1.4239E-01 2.3170E-01 -1.8759E+00 6.1003E+00 -1.1999E+01 1.4519E+01 -9.8391E+00 2.8386E+00
S7 -6.3715E-02 -3.9632E-02 3.1393E-01 -1.5789E+00 4.1535E+00 -6.5953E+00 6.1746E+00 -3.0847E+00 6.0677E-01
S8 -1.8721E-01 1.7396E-01 -2.9843E-01 2.0742E-01 5.3991E-02 -6.2416E-01 1.0342E+00 -6.8969E-01 1.5589E-01
S9 -2.5553E-01 1.8945E-01 -1.3046E-01 -1.5690E-01 7.6560E-01 -1.7814E+00 2.2726E+00 -1.4097E+00 3.3128E-01
S10 -1.9456E-01 5.8015E-02 7.7195E-02 -1.7565E-01 1.7403E-01 -1.2991E-01 8.7146E-02 -3.8171E-02 6.9020E-03
S11 -9.8842E-02 -6.4019E-02 3.5778E-02 1.3352E-01 -2.9222E-01 2.7767E-01 -1.4968E-01 4.4366E-02 -5.5434E-03
S12 -9.3474E-02 1.1315E-02 -1.1250E-01 2.8130E-01 -3.5175E-01 2.5691E-01 -1.1174E-01 2.6732E-02 -2.6865E-03
S13 -9.3322E-02 3.9237E-02 -1.1838E-01 2.1770E-01 -2.3966E-01 1.6040E-01 -6.4718E-02 1.4451E-02 -1.3597E-03
S14 -6.1167E-02 1.2508E-02 -5.3938E-03 2.0178E-02 -1.9465E-02 9.1225E-03 -2.3169E-03 3.0586E-04 -1.6484E-05
S15 -1.9424E-01 1.4657E-01 -6.7526E-02 2.5092E-02 -6.9109E-03 1.2798E-03 -1.4865E-04 9.7827E-06 -2.7889E-07
S16 -1.2790E-01 9.6197E-02 -5.1378E-02 1.8707E-02 -4.6547E-03 7.7152E-04 -8.1177E-05 4.9032E-06 -1.2941E-07
表14
在实施例7中，光学成像镜头的总有效焦距f＝4.21mm；第一透镜E1的有效焦距f1＝169.02mm；第二透镜E2的有效焦距f2＝3.35mm；第三透镜E3的有效焦距f3＝-7.99mm；第四透镜E4的有效焦距f4＝-499.00mm；第五透镜E5的有效焦距f5＝-113.60mm；第六透镜E6的有效焦距f6＝111.41mm；第七透镜E7的有效焦距f7＝2.55mm；第八透镜E8的有效焦距f8＝-1.93mm。光学成像镜头的光学总长度(即，从第一透镜E1的物侧面S1的中心至成像面S19在光轴上的距离)TTL＝5.10mm。光学成像镜头的成像面S19上有效像素区域对角线长的一半ImgH＝3.41mm。
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：第一透镜E1、第二透镜E2、光阑STO、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、第七透镜E7、第八透镜E8、滤光片E9和成像面S19。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，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为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凸面。第八透镜E8具有负光焦度，其物侧面S15为凹面，像侧面S16为凹面。滤光片E9具有物侧面S17和像侧面S18。来自物体的光依序穿过各表面S1至S18并最终成像在成像面S19上。
表15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 PCTCN2018092874-appb-000012
Figure PCTCN2018092874-appb-000013
表15
由表15可知，在实施例8中，第一透镜E1至第八透镜E8中的任意一个透镜的物侧面和像侧面均为非球面。表16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 A18 A20
S1 -8.5128E-03 -7.0011E-03 5.1068E-02 -1.2080E-01 1.6052E-01 -1.4308E-01 8.0284E-02 -2.6999E-02 4.1126E-03
S2 -2.8084E-02 -1.2943E-02 3.8081E-01 -1.2998E+00 2.5582E+00 -3.1939E+00 2.4490E+00 -1.0511E+00 1.9130E-01
S3 -2.5139E-02 1.8013E-02 1.3690E-01 -4.7441E-01 8.3585E-01 -8.9484E-01 5.5157E-01 -1.6118E-01 1.0105E-02
S4 -6.1793E-02 1.0060E-01 -9.0912E-02 -1.6481E-01 7.5157E-01 -1.2939E+00 1.2206E+00 -6.0390E-01 1.1943E-01
S5 -1.3407E-01 2.7224E-01 -2.6728E-01 -1.4123E-01 1.2062E+00 -2.4117E+00 2.6006E+00 -1.5071E+00 3.6286E-01
S6 -8.8184E-02 2.0895E-01 -4.8857E-02 -8.9730E-01 3.4959E+00 -7.0708E+00 8.4908E+00 -5.6455E+00 1.6023E+00
S7 -6.8906E-02 -1.1623E-02 1.0777E-01 -1.0762E+00 3.9576E+00 -8.3267E+00 1.0262E+01 -6.9036E+00 1.9668E+00
S8 -1.2137E-01 9.9026E-02 -5.7825E-01 1.7243E+00 -3.6677E+00 5.0821E+00 -4.3094E+00 2.0408E+00 -4.2100E-01
S9 -2.2192E-01 1.2659E-01 -3.3084E-01 8.0432E-01 -1.5400E+00 2.0464E+00 -1.6080E+00 6.5964E-01 -1.1030E-01
S10 -1.7543E-01 5.5148E-02 -1.0545E-02 -3.1566E-02 6.4923E-02 -1.3697E-02 -3.9798E-02 2.7866E-02 -5.2913E-03
S11 -7.1430E-02 -2.3944E-02 2.2316E-02 -1.7007E-02 -2.1786E-02 7.1693E-02 -6.5811E-02 2.5333E-02 -3.5325E-03
S12 -1.0041E-01 -8.6677E-03 2.1778E-02 1.0563E-02 -7.3682E-02 9.3798E-02 -5.6747E-02 1.6902E-02 -1.9766E-03
S13 -9.5131E-02 -1.0958E-02 -3.9009E-02 1.4594E-01 -1.9615E-01 1.4324E-01 -6.2216E-02 1.5190E-02 -1.5856E-03
S14 -5.5902E-02 1.2405E-02 -3.9290E-02 6.7148E-02 -4.8666E-02 1.9235E-02 -4.3437E-03 5.2660E-04 -2.6617E-05
S15 -1.6542E-01 1.0633E-01 -3.9299E-02 1.3200E-02 -3.7724E-03 7.6351E-04 -9.8454E-05 7.2628E-06 -2.3429E-07
S16 -1.1541E-01 8.7190E-02 -4.6520E-02 1.6914E-02 -4.1951E-03 6.9162E-04 -7.2162E-05 4.3019E-06 -1.1137E-07
表16
在实施例8中，光学成像镜头的总有效焦距f＝4.17mm；第一透镜E1的有效焦距f1＝136.91mm；第二透镜E2的有效焦距f2＝3.39mm；第三透镜E3的有效焦距f3＝-6.65mm；第四透镜E4的有效焦距f4＝13.04mm；第五透镜E5的有效焦距f5＝799.00mm；第六透镜E6的有效焦距f6＝-37.89mm；第七透镜E7的有效焦距f7＝2.86mm；第八透镜E8的有效焦距f8＝-1.95mm。光学成像镜头的光学总长度(即，从第一透镜E1的物侧面S1的中心至成像面S19在光轴上的距离)TTL＝5.07mm。光学成像镜头的成像面S19上有效像素区域对角线长的一半ImgH＝3.41mm。
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：第一透镜E1、第二透镜E2、光阑STO、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、第七透镜E7、第八透镜E8、滤光片E9和成像面S19。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，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为凸面。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具有正光焦度，其物侧面S11为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凸面。第八透镜E8具有负光焦度，其物侧面S15为凹面，像侧面S16为凹面。滤光片E9具有物侧面S17和像侧面S18。来自物体的光依序穿过各表面S1至S18并最终成像在成像面S19上。
表17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 PCTCN2018092874-appb-000014
Figure PCTCN2018092874-appb-000015
表17
由表17可知，在实施例9中，第一透镜E1至第八透镜E8中的任意一个透镜的物侧面和像侧面均为非球面。表18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 A18 A20
S1 -7.6648E-03 -6.9500E-04 1.7788E-02 -2.9720E-02 7.0366E-03 2.1093E-02 -2.8886E-02 1.3876E-02 -2.4257E-03
S2 -2.6127E-02 -2.1729E-02 4.1641E-01 -1.4328E+00 2.8799E+00 -3.6415E+00 2.8004E+00 -1.1967E+00 2.1595E-01
S3 -2.5635E-02 1.1796E-02 1.6038E-01 -5.5944E-01 1.0459E+00 -1.1866E+00 7.7385E-01 -2.4616E-01 2.2018E-02
S4 -6.3416E-02 9.6005E-02 -6.2621E-02 -2.7825E-01 1.0504E+00 -1.7810E+00 1.6914E+00 -8.5050E-01 1.7288E-01
S5 -1.3124E-01 2.5495E-01 -1.9371E-01 -4.3532E-01 2.0669E+00 -4.0218E+00 4.3988E+00 -2.5984E+00 6.3955E-01
S6 -8.5701E-02 1.8852E-01 7.0437E-02 -1.4898E+00 5.4373E+00 -1.1023E+01 1.3266E+01 -8.7791E+00 2.4601E+00
S7 -7.5344E-02 1.8735E-02 -1.1846E-01 3.1969E-02 6.8286E-01 -2.3478E+00 3.6338E+00 -2.8005E+00 8.7237E-01
S8 -1.1940E-01 9.4580E-02 -5.3987E-01 1.5689E+00 -3.2296E+00 4.2787E+00 -3.4567E+00 1.5711E+00 -3.1744E-01
S9 -2.2613E-01 1.6879E-01 -4.2148E-01 9.2256E-01 -1.5053E+00 1.5107E+00 -7.6934E-01 1.3991E-01 5.2139E-03
S10 -1.9878E-01 1.0202E-01 -1.0051E-01 1.6004E-01 -2.1529E-01 1.8170E-01 -8.1592E-02 1.5557E-02 -4.3577E-04
S11 -9.7394E-02 -4.1693E-02 4.9839E-02 -2.5352E-03 -3.5172E-02 3.4920E-02 -1.8774E-02 5.4492E-03 -6.1459E-04
S12 -9.6851E-02 1.9596E-02 -1.2108E-01 2.8521E-01 -3.5597E-01 2.6263E-01 -1.1551E-01 2.7884E-02 -2.8213E-03
S13 -1.0494E-01 4.7429E-02 -1.5888E-01 3.1433E-01 -3.6433E-01 2.5519E-01 -1.0773E-01 2.5223E-02 -2.4955E-03
S14 -5.3538E-02 -2.6443E-03 3.6251E-03 1.8348E-02 -1.9628E-02 9.2916E-03 -2.3635E-03 3.1279E-04 -1.6908E-05
S15 -2.0007E-01 1.5376E-01 -7.3407E-02 2.8791E-02 -8.4532E-03 1.6815E-03 -2.1153E-04 1.5194E-05 -4.7595E-07
S16 -1.2482E-01 9.6648E-02 -5.2244E-02 1.9255E-02 -4.8559E-03 8.1725E-04 -8.7417E-05 5.3659E-06 -1.4364E-07
表18
在实施例9中，光学成像镜头的总有效焦距f＝4.12mm；第一透镜E1的有效焦距f1＝143.26mm；第二透镜E2的有效焦距f2＝3.41mm；第三透镜E3的有效焦距f3＝-7.40mm；第四透镜E4的有效焦距f4＝12.58mm；第五透镜E5的有效焦距f5＝-18.80mm；第六透镜E6的有效焦距f6＝268.81mm；第七透镜E7的有效焦距f7＝2.68mm；第八透镜E8的有效焦距f8＝-1.91mm。光学成像镜头的光学总长度(即，从第一透镜E1的物侧面S1的中心至成像面S19在光轴上的距离)TTL＝5.07mm。光学成像镜头的成像面S19上有效像素区域对角线长的一半ImgH＝3.41mm。
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：第一透镜E1、第二透镜E2、光阑STO、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、第七透镜E7、第八透镜E8、滤光片E9和成像面S19。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，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为凹面，像侧面S8 为凸面。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具有正光焦度，其物侧面S11为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凸面。第八透镜E8具有负光焦度，其物侧面S15为凹面，像侧面S16为凹面。滤光片E9具有物侧面S17和像侧面S18。来自物体的光依序穿过各表面S1至S18并最终成像在成像面S19上。
表19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 PCTCN2018092874-appb-000016
表19
由表19可知，在实施例10中，第一透镜E1至第八透镜E8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 A18 A20
S1 -7.5939E-03 -1.5620E-03 4.1373E-02 -1.2403E-01 2.0563E-01 -2.2441E-01 1.4861E-01 -5.5964E-02 9.1102E-03
S2 -3.2417E-02 1.7106E-02 2.8467E-01 -1.1699E+00 2.6249E+00 -3.6351E+00 3.0198E+00 -1.3794E+00 2.6388E-01
S3 -3.0245E-02 4.0885E-02 5.1687E-02 -2.9704E-01 6.5400E-01 -8.3070E-01 5.8023E-01 -1.8139E-01 9.0032E-03
S4 -6.5033E-02 9.7241E-02 -7.8264E-02 -1.9851E-01 8.7668E-01 -1.5950E+00 1.6123E+00 -8.5992E-01 1.8421E-01
S5 -1.2888E-01 2.3872E-01 -1.7744E-01 -3.5562E-01 1.7691E+00 -3.5826E+00 4.1210E+00 -2.5768E+00 6.7229E-01
S6 -7.9534E-02 1.7440E-01 4.8223E-02 -1.2475E+00 4.7280E+00 -9.9696E+00 1.2530E+01 -8.6659E+00 2.5349E+00
S7 -7.5321E-02 -1.3155E-02 1.0146E-01 -8.2857E-01 2.6545E+00 -5.0746E+00 5.8358E+00 -3.7303E+00 1.0267E+00
S8 -1.5058E-01 1.0081E-01 -2.0321E-01 1.1401E-01 1.9249E-01 -7.0988E-01 9.9228E-01 -6.4410E-01 1.5556E-01
S9 -2.4373E-01 1.5236E-01 -1.1339E-01 -1.0912E-01 5.4519E-01 -1.1423E+00 1.3589E+00 -8.1119E-01 1.8616E-01
S10 -1.9766E-01 8.5895E-02 -6.3566E-03 -4.1289E-02 4.1509E-02 -3.7198E-02 3.6202E-02 -1.9376E-02 3.8296E-03
S11 -7.3754E-02 -9.3252E-02 1.3365E-01 -1.0583E-01 6.2682E-02 -3.3321E-02 1.3556E-02 -3.2803E-03 3.4694E-04
S12 -9.5812E-02 1.3972E-02 -1.2660E-01 3.1394E-01 -3.9472E-01 2.9004E-01 -1.2673E-01 3.0428E-02 -3.0676E-03
S13 -1.0499E-01 4.8221E-02 -1.5047E-01 2.8818E-01 -3.3116E-01 2.3201E-01 -9.8231E-02 2.3062E-02 -2.2839E-03
S14 -6.3157E-02 1.6749E-02 -1.6581E-02 2.6957E-02 -1.9063E-02 7.6494E-03 -1.8345E-03 2.4307E-04 -1.3593E-05
S15 -1.9954E-01 1.5708E-01 -7.9219E-02 3.2743E-02 -9.8968E-03 1.9865E-03 -2.4858E-04 1.7574E-05 -5.3744E-07
S16 -1.2520E-01 9.4655E-02 -5.0480E-02 1.8399E-02 -4.5929E-03 7.6614E-04 -8.1347E-05 4.9662E-06 -1.3254E-07
表20
在实施例10中，光学成像镜头的总有效焦距f＝4.21mm；第一透镜E1的有效焦距f1＝90.38mm；第二透镜E2的有效焦距f2＝3.43mm；第三透镜E3的有效焦距f3＝-7.63mm；第四透镜E4的有效焦距f4＝19.70mm；第五透镜E5的有效焦距f5＝-23.76mm；第六透镜E6的有效焦距f6＝4564.87mm；第七透镜E7的有效焦距f7＝2.78mm；第八透镜E8的有效焦距f8＝-2.02mm。光学成像镜头的光学总长度(即，从第一透镜E1的物侧面S1的中心至成像面S19在光轴上的距离)TTL＝5.10mm。光学成像镜头的成像面S19上有效像素区域对角线长的一半ImgH＝3.41mm。
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。
实施例11
以下参照图21至图22D描述了根据本申请实施例11的光学成像镜头。图21示出了根据本申请实施例11的光学成像镜头的结构示意图。
如图21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：第一透镜E1、第二透镜E2、光阑STO、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、第七透镜E7、第八透镜E8、滤光片E9和成像面S19。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，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为凸面。第五透镜E5具有负光焦度，其物侧面S9为凹面，像侧面S10为凹面。第六透镜E6具有负光焦度，其物侧面S11为凸面，像侧面S12为凹面。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凸面。第八透镜E8具有负光焦度，其物侧面S15为凹面，像侧面S16为凹面。滤光片E9具有物侧面S17和像侧面S18。来自物体的光依序穿过各表面S1至S18并最终成像在成像面S19上。
表21示出了实施例11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 PCTCN2018092874-appb-000017
Figure PCTCN2018092874-appb-000018
表21
由表21可知，在实施例11中，第一透镜E1至第八透镜E8中的任意一个透镜的物侧面和像侧面均为非球面。表22示出了可用于实施例11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 A18 A20
S1 -7.7994E-03 -6.9172E-03 5.8674E-02 -1.5310E-01 2.2235E-01 -2.1219E-01 1.2495E-01 -4.2623E-02 6.4211E-03
S2 -2.9490E-02 -1.5191E-02 4.5414E-01 -1.6530E+00 3.4466E+00 -4.5059E+00 3.5886E+00 -1.5881E+00 2.9634E-01
S3 -2.7659E-02 1.5065E-02 1.8825E-01 -6.8538E-01 1.3009E+00 -1.4791E+00 9.5764E-01 -2.9201E-01 1.9193E-02
S4 -6.9048E-02 1.0908E-01 -1.2607E-01 -4.0372E-02 4.9584E-01 -1.0017E+00 1.0533E+00 -5.7190E-01 1.2192E-01
S5 -1.3496E-01 2.6276E-01 -2.2339E-01 -3.2235E-01 1.8962E+00 -4.0980E+00 4.9666E+00 -3.2547E+00 8.8833E-01
S6 -8.6471E-02 2.0053E-01 -1.5688E-02 -1.0861E+00 4.3743E+00 -9.4338E+00 1.2045E+01 -8.4393E+00 2.4957E+00
S7 -7.6081E-02 1.7673E-02 -3.1945E-02 -4.9226E-01 2.2271E+00 -4.9976E+00 6.3008E+00 -4.2427E+00 1.1938E+00
S8 -1.3355E-01 1.1681E-01 -4.6434E-01 1.1589E+00 -2.3435E+00 3.1367E+00 -2.5477E+00 1.1649E+00 -2.4052E-01
S9 -2.3853E-01 1.9566E-01 -3.5566E-01 6.0689E-01 -8.3689E-01 5.4232E-01 1.3443E-01 -3.2325E-01 1.0243E-01
S10 -2.2003E-01 1.3468E-01 -1.1397E-01 1.4833E-01 -1.8969E-01 1.3840E-01 -3.8164E-02 -4.5352E-03 2.9599E-03
S11 -8.7259E-02 -6.6469E-02 6.7134E-02 2.4686E-02 -8.3335E-02 5.7093E-02 -1.6818E-02 1.5599E-03 1.3088E-04
S12 -9.5884E-02 1.5377E-02 -1.4772E-01 3.6202E-01 -4.5407E-01 3.3478E-01 -1.4741E-01 3.5783E-02 -3.6565E-03
S13 -1.0805E-01 4.9954E-02 -1.5333E-01 2.9680E-01 -3.4658E-01 2.4639E-01 -1.0555E-01 2.5009E-02 -2.4957E-03
S14 -6.0352E-02 9.6833E-03 -9.8298E-03 3.0086E-02 -2.6517E-02 1.1947E-02 -3.0195E-03 4.0608E-04 -2.2610E-05
S15 -2.0133E-01 1.5698E-01 -7.6891E-02 3.0850E-02 -9.1703E-03 1.8308E-03 -2.2967E-04 1.6374E-05 -5.0745E-07
S16 -1.2388E-01 9.5690E-02 -5.2141E-02 1.9385E-02 -4.9238E-03 8.3353E-04 -8.9652E-05 5.5361E-06 -1.4919E-07
表22
在实施例11中，光学成像镜头的总有效焦距f＝4.10mm；第一透镜E1的有效焦距f1＝117.69mm；第二透镜E2的有效焦距f2＝3.41mm；第三透镜E3的有效焦距f3＝-7.57mm；第四透镜E4的有效焦距f4＝13.72mm；第五透镜E5的有效焦距f5＝-14.76mm；第六透镜E6的有效焦距f6＝-3340.96mm；第七透镜E7的有效焦距f7＝2.69mm；第八透镜E8的有效焦距f8＝-1.98mm。光学成像镜头的光学总长度(即， 从第一透镜E1的物侧面S1的中心至成像面S19在光轴上的距离)TTL＝5.02mm。光学成像镜头的成像面S19上有效像素区域对角线长的一半ImgH＝3.41mm。
图22A示出了实施例11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22B示出了实施例11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22C示出了实施例11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22D示出了实施例11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22A至图22D可知，实施例11所给出的光学成像镜头能够实现良好的成像品质。
实施例12
以下参照图23至图24D描述了根据本申请实施例12的光学成像镜头。图23示出了根据本申请实施例12的光学成像镜头的结构示意图。
如图23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：第一透镜E1、第二透镜E2、光阑STO、第三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、第七透镜E7、第八透镜E8、滤光片E9和成像面S19。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，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为凸面。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。第七透镜E7具有正光焦度，其物侧面S13为凸面，像侧面S14为凸面。第八透镜E8具有负光焦度，其物侧面S15为凹面，像侧面S16为凹面。滤光片E9具有物侧面S17和像侧面S18。来自物体的光依序穿过各表面S1至S18并最终成像在成像面S19上。
表23示出了实施例12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 PCTCN2018092874-appb-000019
表23
由表23可知，在实施例12中，第一透镜E1至第八透镜E8中的任意一个透镜的物侧面和像侧面均为非球面。表24示出了可用于实施例12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 A18 A20
S1 -7.3297E-03 -5.1919E-03 3.7373E-02 -8.5491E-02 1.0807E-01 -9.3605E-02 5.0296E-02 -1.6240E-02 2.4039E-03
S2 -2.8331E-02 -1.2888E-04 3.0141E-01 -1.0920E+00 2.2942E+00 -3.0556E+00 2.4777E+00 -1.1157E+00 2.1169E-01
S3 -2.6126E-02 2.2198E-02 1.0825E-01 -4.1286E-01 8.2650E-01 -1.0248E+00 7.4321E-01 -2.7291E-01 3.3310E-02
S4 -5.6455E-02 8.2575E-02 -3.9511E-02 -2.7835E-01 9.6512E-01 -1.6143E+00 1.5509E+00 -8.0102E-01 1.6893E-01
S5 -1.2074E-01 2.3127E-01 -1.7132E-01 -3.6986E-01 1.7409E+00 -3.4085E+00 3.8118E+00 -2.3279E+00 5.9646E-01
S6 -7.8980E-02 1.8633E-01 -6.0054E-02 -7.1492E-01 3.0265E+00 -6.5842E+00 8.4936E+00 -6.0398E+00 1.8247E+00
S7 -7.9087E-02 4.2650E-02 -3.0161E-01 8.7400E-01 -1.8010E+00 2.2536E+00 -1.4966E+00 3.2482E-01 8.4217E-02
S8 -1.1791E-01 6.1124E-02 -2.6166E-01 4.5370E-01 -5.2320E-01 2.2602E-01 2.2173E-01 -2.9816E-01 9.4233E-02
S9 -2.3086E-01 1.3372E-01 -1.7440E-01 1.6117E-01 -4.3107E-02 -2.1076E-01 4.3407E-01 -3.2952E-01 8.6742E-02
S10 -1.9140E-01 6.6853E-02 1.9703E-02 -1.1833E-01 2.0180E-01 -1.9912E-01 1.2266E-01 -4.4221E-02 7.0160E-03
S11 -7.7124E-02 -6.9030E-02 1.1975E-01 -1.3143E-01 8.2010E-02 -8.7063E-03 -2.1728E-02 1.1801E-02 -1.8284E-03
S12 -1.0412E-01 1.7874E-02 -9.3696E-02 2.5261E-01 -3.5260E-01 2.8369E-01 -1.3352E-01 3.3996E-02 -3.5888E-03
S13 -9.9714E-02 4.0385E-02 -1.7030E-01 3.4781E-01 -3.9642E-01 2.6982E-01 -1.1045E-01 2.5132E-02 -2.4264E-03
S14 -3.7073E-02 -1.1660E-02 -1.4712E-02 4.3820E-02 -3.5183E-02 1.4849E-02 -3.5503E-03 4.5276E-04 -2.3915E-05
S15 -1.8130E-01 1.3044E-01 -5.9857E-02 2.3615E-02 -7.0257E-03 1.3974E-03 -1.7333E-04 1.2148E-05 -3.6857E-07
S16 -1.1911E-01 8.9871E-02 -4.7710E-02 1.7295E-02 -4.2878E-03 7.0867E-04 -7.4338E-05 4.4670E-06 -1.1687E-07
表24
在实施例12中，光学成像镜头的总有效焦距f＝4.20mm；第一透镜E1的有效焦距f1＝152.71mm；第二透镜E2的有效焦距f2＝3.35mm；第三透镜E3的有效焦距f3＝-7.18mm；第四透镜E4的有效焦距f4＝12.68mm；第五透镜E5的有效焦距f5＝-21.19mm；第六透镜E6的有效焦距f6＝-41.05mm；第七透镜E7的有效焦距f7＝2.85mm；第八透镜E8的有效焦距f8＝-2.05mm。光学成像镜头的光学总长度(即，从第一透镜E1的物侧面S1的中心至成像面S19在光轴上的距离)TTL＝5.10mm。光学成像镜头的成像面S19上有效像素区域对角线长的一半ImgH＝3.41mm。
图24A示出了实施例12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24B示出了实施例12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24C示出了实施例12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24D示出了实施例12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24A至图24D可知，实施例12所给出的光学成像镜头能够实现良好的成像品质。
实施例13
以下参照图25至图26D描述了根据本申请实施例13的光学成像镜头。图25示出了根据本申请实施例13的光学成像镜头的结构示意图。
如图25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：第一透镜E1、第二透镜E2、光阑STO、第 三透镜E3、第四透镜E4、第五透镜E5、第六透镜E6、第七透镜E7、第八透镜E8、滤光片E9和成像面S19。
第一透镜E1具有正光焦度，其物侧面S1为凸面，像侧面S2为凹面。第二透镜E2具有正光焦度，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为凸面。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具有正光焦度，其物侧面S11为凸面，像侧面S12为凸面。第七透镜E7具有负光焦度，其物侧面S13为凹面，像侧面S14为凸面。第八透镜E8具有负光焦度，其物侧面S15为凹面，像侧面S16为凹面。滤光片E9具有物侧面S17和像侧面S18。来自物体的光依序穿过各表面S1至S18并最终成像在成像面S19上。
表25示出了实施例13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 PCTCN2018092874-appb-000020
Figure PCTCN2018092874-appb-000021
表25
由表25可知，在实施例13中，第一透镜E1至第八透镜E8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13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 A18 A20
S1 -7.8066E-03 -2.1141E-03 3.8393E-03 3.9466E-02 -1.4528E-01 2.1341E-01 -1.6814E-01 6.6833E-02 -1.0628E-02
S2 -1.8846E-02 -6.4153E-02 5.2431E-01 -1.5906E+00 2.9727E+00 -3.5705E+00 2.6682E+00 -1.1342E+00 2.0724E-01
S3 -1.7190E-02 -3.3964E-02 3.0989E-01 -8.8850E-01 1.5087E+00 -1.5901E+00 9.9271E-01 -3.1757E-01 3.2643E-02
S4 -6.5180E-02 9.0823E-02 -1.7484E-02 -4.9064E-01 1.6186E+00 -2.6922E+00 2.5626E+00 -1.3088E+00 2.7453E-01
S5 -1.3572E-01 2.6759E-01 -2.5101E-01 -1.5691E-01 1.2542E+00 -2.6091E+00 2.9538E+00 -1.7983E+00 4.5429E-01
S6 -8.8746E-02 1.9469E-01 6.7277E-02 -1.4426E+00 5.2625E+00 -1.0738E+01 1.3061E+01 -8.7431E+00 2.4759E+00
S7 -7.8660E-02 2.1889E-02 -4.7431E-02 -5.9082E-01 3.0567E+00 -7.3962E+00 9.8095E+00 -6.8579E+00 1.9826E+00
S8 -1.3610E-01 1.0760E-01 -3.8940E-01 8.6331E-01 -1.7062E+00 2.3568E+00 -2.0052E+00 9.6870E-01 -2.1404E-01
S9 -2.4126E-01 8.4816E-02 3.1965E-01 -1.4786E+00 3.0586E+00 -4.0058E+00 3.3994E+00 -1.6468E+00 3.3433E-01
S10 -2.1168E-01 -4.9052E-03 4.3931E-01 -1.0187E+00 1.3207E+00 -1.1002E+00 5.9349E-01 -1.8830E-01 2.6286E-02
S11 -1.8942E-02 -4.6406E-01 1.2132E+00 -1.9691E+00 2.0923E+00 -1.4507E+00 6.2555E-01 -1.5145E-01 1.5708E-02
S12 -1.0400E-01 3.7560E-02 -1.4959E-01 3.0494E-01 -3.5710E-01 2.5612E-01 -1.1136E-01 2.6779E-02 -2.7073E-03
S13 -9.0431E-02 2.9727E-02 -1.1886E-01 2.4994E-01 -2.9213E-01 2.0153E-01 -8.2787E-02 1.8745E-02 -1.7897E-03
S14 -5.8301E-02 -1.5441E-02 5.8846E-02 -4.2640E-02 1.2853E-02 -3.8281E-04 -7.0719E-04 1.5954E-04 -1.0923E-05
S15 -2.0666E-01 1.6364E-01 -8.1402E-02 3.3148E-02 -9.9896E-03 2.0202E-03 -2.5654E-04 1.8499E-05 -5.7924E-07
S16 -1.3304E-01 1.0446E-01 -5.7432E-02 2.1440E-02 -5.4704E-03 9.3400E-04 -1.0186E-04 6.4100E-06 -1.7677E-07
表26
在实施例13中，光学成像镜头的总有效焦距f＝4.04mm；第一透镜E1的有效焦距f1＝87.52mm；第二透镜E2的有效焦距f2＝3.46mm；第三透镜E3的有效焦距f3＝-7.45mm；第四透镜E4的有效焦距f4＝12.33mm；第五透镜E5的有效焦距f5＝-17.62mm；第六透镜E6的有效焦距f6＝2.52mm；第七透镜E7的有效焦距f7＝-599.99mm；第八透镜E8的有效焦距f8＝-1.92mm。光学成像镜头的光学总长度(即，从第一透镜E1的物侧面S1的中心至成像面S19在光轴上的距离)TTL＝4.98mm。光学成像镜头的成像面S19上有效像素区域对角线长的一半ImgH＝3.41mm。
图26A示出了实施例13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26B示出了实施例13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26C示出了实施例13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26D示出了实施例13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26A至图26D可知，实施例13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13分别满足表27中所示的关系。
条件式\实施例 1 2 3 4 5 6 7
f/EPD 1.80 1.67 1.75 1.80 1.80 1.80 1.80
TTL/ImgH 1.44 1.50 1.50 1.49 1.46 1.49 1.50
|f/f1|+|f/f2| 1.21 1.18 1.19 1.22 1.21 1.24 1.28
f/f2 1.17 1.16 1.17 1.15 1.20 1.24 1.26
f/R16 2.40 1.72 1.73 2.39 2.44 2.44 2.52
CT2/CT3 2.90 3.17 3.16 2.76 2.99 2.99 2.94
f8/CT8 -9.55 -10.11 -10.13 -8.54 -8.12 -7.90 -8.59
f/R1 2.28 2.16 2.16 2.25 2.29 2.32 2.37
|R16/R14| 1.04 1.03 1.03 1.02 1.05 1.04 1.11
SAG82/CT8 -2.63 -2.63 -2.71 -1.66 -2.42 -1.97 -2.41
f2/CT2 5.87 5.54 5.51 6.44 5.61 5.55 5.68
f2/R3 2.02 1.95 1.95 1.99 2.01 2.00 1.99
T45/T67 3.71 2.41 2.43 2.56 3.64 3.87 1.03
(R13+R14)/(R13-R14) 0.76 0.36 0.37 0.99 0.78 0.68 0.83
条件式\实施例 8 9 10 11 12 13
f/EPD 1.80 1.82 1.80 1.90 1.80 1.80
TTL/ImgH 1.49 1.49 1.50 1.47 1.50 1.46
|f/f1|+|f/f2| 1.26 1.23 1.27 1.24 1.28 1.21
f/f2 1.23 1.21 1.23 1.20 1.26 1.17
f/R16 2.39 2.46 2.42 2.33 2.27 2.38
CT2/CT3 2.93 2.93 2.80 2.80 2.86 2.88
f8/CT8 -7.47 -8.30 -7.92 -7.44 -7.90 -8.78
f/R1 2.34 2.32 2.38 2.33 2.36 2.29
|R16/R14| 1.02 1.04 1.03 1.05 1.01 1.08
SAG82/CT8 -1.67 -2.07 -1.86 -1.85 -1.95 -2.40
f2/CT2 5.79 5.83 6.13 6.08 5.85 6.01
f2/R3 1.98 2.00 2.00 2.02 1.97 2.01
T45/T67 1.97 3.58 3.19 3.90 4.22 3.76
(R13+R14)/(R13-R14) 0.80 0.79 0.78 0.72 0.67 -32.33
表27
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 (28)

  1. 光学成像镜头，其特征在于，所述光学成像镜头沿着光轴由物侧至像侧依序包括：
    具有光焦度的第一透镜；
    具有正光焦度的第二透镜；
    具有光焦度的第三透镜；
    具有光焦度的第四透镜；
    具有光焦度的第五透镜；
    具有光焦度的第六透镜；
    具有光焦度的第七透镜，其像侧面为凸面；
    具有光焦度的第八透镜；以及
    其中，所述第一透镜至所述第八透镜中任意相邻两透镜之间均具有空气间隔；
    所述光学成像镜头的总有效焦距f与所述光学成像镜头的入瞳直径EPD满足f/EPD≤2.0。
  2. 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1.0＜f/f2＜1.5。
  3. 根据权利要求2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、所述第一透镜的有效焦距f1和所述第二透镜的有效焦距f2满足1.0＜|f/f1|+|f/f2|＜1.5。
  4. 根据权利要求2所述的光学成像镜头，其特征在于，所述第二透镜的有效焦距f2与所述第二透镜于所述光轴上的中心厚度CT2满足5.5≤f2/CT2＜6.5。
  5. 根据权利要求2所述的光学成像镜头，其特征在于，所述第二 透镜的物侧面为凸面；
    所述第二透镜的有效焦距f2与所述第二透镜物侧面的曲率半径R3满足1.5＜f2/R3＜2.5。
  6. 根据权利要求1所述的光学成像镜头，其特征在于，所述第一透镜的物侧面为凸面；
    所述光学成像镜头的总有效焦距f与所述第一透镜物侧面的曲率半径R1满足2＜f/R1＜2.5。
  7. 根据权利要求1所述的光学成像镜头，其特征在于，所述第八透镜的像侧面为凹面；
    所述光学成像镜头的总有效焦距f与所述第八透镜像侧面的曲率半径R16满足1.5＜f/R16＜3.0。
  8. 根据权利要求7所述的光学成像镜头，其特征在于，所述第八透镜像侧面的曲率半径R16与所述第七透镜像侧面的曲率半径R14满足1.0＜|R16/R14|＜1.5。
  9. 根据权利要求8所述的光学成像镜头，其特征在于，所述第七透镜物侧面的曲率半径R13与所述第七透镜像侧面的曲率半径R14满足-33＜(R13+R14)/(R13-R14)＜1。
  10. 根据权利要求1所述的光学成像镜头，其特征在于，所述第八透镜的有效焦距f8与所述第八透镜于所述光轴上的中心厚度CT8满足-11＜f8/CT8＜-7。
  11. 根据权利要求10所述的光学成像镜头，其特征在于，所述第八透镜的像侧面在最大有效半口径处的矢高SAG82与所述第八透镜于所述光轴上的中心厚度CT8满足-3.0＜SAG82/CT8＜-1.5。
  12. 根据权利要求1至11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光学总长度TTL与所述光学成像镜头的成像面上有效像素区域对角线长的一半ImgH满足TTL/ImgH≤1.50。
  13. 根据权利要求12所述的光学成像镜头，其特征在于，所述第二透镜于所述光轴上的中心厚度CT2与所述第三透镜于所述光轴上的中心厚度CT3满足2.5＜CT2/CT3＜3.5。
  14. 根据权利要求12所述的光学成像镜头，其特征在于，所述第四透镜和所述第五透镜在所述光轴上的间隔距离T45与所述第六透镜和所述第七透镜在所述光轴上的间隔距离T67满足1.0＜T45/T67＜4.5。
  15. 光学成像镜头，其特征在于，所述光学成像镜头沿着光轴由物侧至像侧依序包括：
    具有光焦度的第一透镜，其物侧面为凸面；
    具有正光焦度的第二透镜，其物侧面为凸面；
    具有光焦度的第三透镜；
    具有光焦度的第四透镜；
    具有光焦度的第五透镜；
    具有光焦度的第六透镜；
    具有光焦度的第七透镜，其像侧面为凸面；以及
    具有光焦度的第八透镜，其像侧面为凹面；
    其中，所述光学成像镜头的总有效焦距f、所述第一透镜的有效焦距f1和所述第二透镜的有效焦距f2满足1.0＜|f/f1|+|f/f2|＜1.5。
  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与所述光学成像镜头的入瞳直径EPD满足f/EPD≤2.0。
  17. 根据权利要求15所述的光学成像镜头，其特征在于，所述第二透镜的有效焦距f2与所述第二透镜于所述光轴上的中心厚度CT2满足5.5≤f2/CT2＜6.5。
  18. 根据权利要求15所述的光学成像镜头，其特征在于，所述第二透镜的有效焦距f2与所述第二透镜物侧面的曲率半径R3满足1.5＜f2/R3＜2.5。
  19. 根据权利要求15、17或18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总有效焦距f与所述第二透镜的有效焦距f2满足1.0＜f/f2＜1.5。
  20. 根据权利要求15所述的光学成像镜头，其特征在于，所述第八透镜的有效焦距f8与所述第八透镜于所述光轴上的中心厚度CT8满足-11＜f8/CT8＜-7。
  21. 根据权利要求15或20所述的光学成像镜头，其特征在于，所述第八透镜的像侧面在最大有效半口径处的矢高SAG82与所述第八透镜于所述光轴上的中心厚度CT8满足-3.0＜SAG82/CT8＜-1.5。
  22. 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与所述第一透镜物侧面的曲率半径R1满足2＜f/R1＜2.5。
  23. 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与所述第八透镜像侧面的曲率半径R16满足1.5＜f/R16＜3.0。
  24. 根据权利要求15所述的光学成像镜头，其特征在于，所述第八透镜像侧面的曲率半径R16与所述第七透镜像侧面的曲率半径R14 满足1.0＜|R16/R14|＜1.5。
  25. 根据权利要求15所述的光学成像镜头，其特征在于，所述第七透镜物侧面的曲率半径R13与所述第七透镜像侧面的曲率半径R14满足-33＜(R13+R14)/(R13-R14)＜1。
  26. 根据权利要求15所述的光学成像镜头，其特征在于，所述第二透镜于所述光轴上的中心厚度CT2与所述第三透镜于所述光轴上的中心厚度CT3满足2.5＜CT2/CT3＜3.5。
  27. 根据权利要求15所述的光学成像镜头，其特征在于，所述第四透镜和所述第五透镜在所述光轴上的间隔距离T45与所述第六透镜和所述第七透镜在所述光轴上的间隔距离T67满足1.0＜T45/T67＜4.5。
  28. 根据权利要求22至27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光学总长度TTL与所述光学成像镜头的成像面上有效像素区域对角线长的一半ImgH满足TTL/ImgH≤1.50。
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101287608B1 (ko) * 2012-04-16 2013-07-19 한국생산기술연구원 자외선용 대물 렌즈
CN106443987A (zh) * 2015-08-11 2017-02-22 大立光电股份有限公司 摄像用光学系统、取像装置及电子装置
CN106443986A (zh) * 2015-08-11 2017-02-22 大立光电股份有限公司 影像撷取镜片组、取像装置及电子装置
CN107678140A (zh) * 2017-10-24 2018-02-09 浙江舜宇光学有限公司 光学成像镜头
CN207301466U (zh) * 2017-10-24 2018-05-01 浙江舜宇光学有限公司 光学成像镜头

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101287608B1 (ko) * 2012-04-16 2013-07-19 한국생산기술연구원 자외선용 대물 렌즈
CN106443987A (zh) * 2015-08-11 2017-02-22 大立光电股份有限公司 摄像用光学系统、取像装置及电子装置
CN106443986A (zh) * 2015-08-11 2017-02-22 大立光电股份有限公司 影像撷取镜片组、取像装置及电子装置
CN107678140A (zh) * 2017-10-24 2018-02-09 浙江舜宇光学有限公司 光学成像镜头
CN207301466U (zh) * 2017-10-24 2018-05-01 浙江舜宇光学有限公司 光学成像镜头

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