Patent ID: 11874442
Assignee: AAC OPTICS (SUZHOU) CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A camera optical lens, comprising from an object side to an image side:
a first lens having negative refractive power;
a second lens having positive refractive power;
a third lens having negative refractive power;
a fourth lens having positive refractive power; and
a fifth lens having negative refractive power;
wherein the camera optical lens satisfies following conditions:

−6.00≤f3/f≤−3.70;

−3.00≤R2/R1≤−0.80;

−0.36≤(R3+R4)/(R3−R4)≤0.06;

2.10≤d6/d8≤6.00; and

3.00≤d3/d4≤12.00,

where
f denotes a total focal length of the camera optical lens;
f3 denotes a focal length of the third lens;
R1 denotes a curvature radius of an object side surface of the first lens;
R2 denotes a curvature radius of an image side surface of the first lens;
R3 denotes a curvature radius of an object side surface of the second lens;
R4 denotes a curvature radius of the image side surface of the second lens;
d3 denotes an on-axis thickness of the second lens;
d4 denotes an on-axis distance from an image side surface of the second lens to an object side surface of the third lens;
d6 denotes an on-axis distance from an image side surface of the third lens to an object side surface of the fourth lens; and
d8 denotes an on-axis distance from an image side surface of the fourth lens to the object side surface of the fifth lens.