CPC G02B 9/64 (2013.01) [G02B 13/0045 (2013.01)] | 10 Claims |
1. A camera optical lens, being sequentially from an object side to an image side, comprising:
a first lens having a positive refractive power;
a second lens having a negative refractive power;
a third lens having a refractive power;
a fourth lens having a refractive power;
a fifth lens having a refractive power;
a sixth lens having a positive refractive power; and
a seventh lens having a negative refractive power;
wherein, an abbe number of the first lens is denoted as v1, an on-axis thickness of the first lens is denoted as d1, an edge thickness of the first lens is denoted as ET1, a center curvature radius of an object side surface of the fourth lens is denoted as R7, a center curvature radius of an image side surface of the fourth lens is denoted as R8, a center curvature radius of an object side surface of the seventh lens is denoted as R13, a center curvature radius of an image side surface of the seventh lens is denoted as R14, an on-axis distance, from an image side surface of the third lens to the object side surface of the fourth lens, is denoted as d6, an on-axis distance, from the image side surface of the fourth lens to an object side surface of the fifth lens, is denoted as d8, and the camera optical lens satisfies following relationships:
59.00≤v1≤82.00;
3.00≤d1/ET1≤5.00;
1.50≤d8/d6≤5.00;
R8/R7≥2.00;
R14/R13≥2.00.
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