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Camera optical lens

  • US 10,451,846 B2
  • Filed: 12/12/2017
  • Issued: 10/22/2019
  • Est. Priority Date: 10/19/2017
  • 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;

    the camera optical lens further satisfies the following conditions;




    3custom characterf1/fcustom character

    1;


    1.7custom charactern4custom character2.2;


    1custom characterf6/f7custom character10;


    2custom character(R1+R2)/(R1−

    R2)custom character10;


    1.7custom charactern5custom character2.2;


    0.48 custom characterf2/fcustom character1.65;




    2.89custom character(R3+R4)/(R3−

    R4)custom character

    0.78;


    0.22 mmcustom characterd3custom character0.82 mm;

    wheref;

    the focal length of the camera optical lens, and the unit is mm;

    f1;

    the focal length of the first lens, and the unit is mm;

    f6;

    the focal length of the sixth lens, and the unit is mm;

    f7;

    the focal length of the seventh lens, and the unit is mm;

    n4;

    the refractive power of the fourth lens;

    n5;

    the refractive power of the fifth lens;

    R1;

    curvature radius of object side surface of the first lens, and the unit is mm;

    R2;

    the curvature radius of image side surface of the first lens, and the unit is mm;

    f2;

    the focal length of the second lens, and the unit is mm;

    R3;

    the curvature radius of the object side surface of the second lens, and the unit is mm;

    R4;

    the curvature radius of the image side surface of the second lens, and the unit is mm;

    d3;

    the thickness on-axis of the second lens.

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