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Camera Optical Lens

  • US 20190187433A1
  • Filed: 01/15/2018
  • Published: 06/20/2019
  • Est. Priority Date: 12/18/2017
  • Status: Active Grant
First Claim
Patent Images

1. A camera optical lens comprising, from an object side to an image side in sequence:

  • a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens;

    Wherein the first lens is made of plastic material, the second lens is made of glass material, the third lens is made of plastic material, the fourth lens is made of glass material, the fifth lens is made of plastic material, the sixth lens is made of plastic material, and the seventh lens is made of plastic material;

    wherein the camera optical lens further satisfies the following conditions;


    f1/f≤

    1.5;


    1.7≤

    n2≤

    2.2;




    2

    f
    3/f4≤

    2;


    0.5≤

    (R13+R14)/(R13

    R
    14)≤

    10;


    1.7≤

    n4≤

    2.2;

    wheref;

    the focal length of the camera optical lens;

    f1;

    the focal length of the first lens;

    f3;

    the focal length of the third lens;

    f4;

    the focal length of the fourth lens;

    n2;

    the refractive power of the second lens;

    n4;

    the refractive power of the fourth lens;

    R13;

    the curvature radius of object side surface of the seventh lens;

    R14;

    the curvature radius of image side surface of the seventh lens.

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