Patent ID: 11885933
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:

−1.91≤f9/f≤−0.49;

0.55≤(R17+R18)/(R17−R18)≤2.17; and

0.02≤d17/TTL≤0.10,

where
f9 denotes a focal length of the ninth lens,
R17 denotes a central curvature radius of the 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.