Patent ID: 11867881
Assignee: RAYTECH OPTICAL (CHANGZHOU) CO., LTD
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 9:
10. The camera optical lens as described in claim 1, further satisfying:

0.42≤f8/f≤1.28;

−2.51≤(R15+R16)/(R15−R16)≤−0.81; and

0.07≤d15/TTL≤0.22,

where
f8 denotes a focal length of the eighth 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,
d15 denotes an on-axis thickness of the eighth lens, and
TTL denotes a total optical length from an object side surface of the first lens to an image plane of the camera optical lens along an optic axis.