Patent ID: 11906703
Assignee: RAYTECH OPTICAL (CHANGZHOU) 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;
a second lens having a positive refractive power;
a third lens;
a fourth lens;
a fifth lens;
a sixth lens;
a seventh lens;
an eighth lens; and
a ninth lens,
wherein the camera optical lens satisfies following conditions:

1.80≤f1/f≤3.20;

−2.50≤R15/R16≤−1.00; and

1.50≤d11/d12≤8.00,

where
f denotes a focal length of the camera optical lens,
f1 denotes a focal length of the first lens,
R15 denotes a central curvature radius of an object side surface of the eighth lens,
R16 denotes a central curvature radius of an image side surface of the eighth lens,
d11 denotes an on-axis thickness of the sixth lens, and
d12 denotes an on-axis distance from an image side surface of the sixth lens to an object side surface of the seventh lens.