Patent ID: 11966018
Assignee: RAYTECH OPTICAL (CHANGZHOU) CO., LTD
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 2:
3. The camera optical lens as described in claim 1, further satisfying:

6.08≤f2/f≤61.89;

−205.16≤(R3+R4)/(R3−R4)≤−7.20; and

0.02≤d3/TTL≤0.06,, where
f2 denotes a focal length of the second lens,
R3 denotes a central curvature radius of an object side surface of the second lens,
R4 denotes a central curvature radius of an image side surface of the second lens,
d3 denotes an on-axis thickness of the second.