Patent ID: 11947082
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 following conditions:
−2.05≤f9/f≤−0.64;

0.57≤(R17+R18)/(R17−R18)≤1.72; and

0.03≤d17/TTL≤0.12,

where
f9 denotes a focal length of the ninth lens,
R17 denotes a central curvature radius of an object side surface of the ninth lens,
R18 denotes a central curvature radius of an image side surface of the ninth lens,
d17 denotes an on-axis thickness of the ninth 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.