Patent ID: 11885933
Assignee: RAYTECH OPTICAL (CHANGZHOU) CO., LTD
Field: Optics (Instruments)
Classification: CPC G | IPC G

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

0.37≤f2/f≤1.35;

−1.68≤(R3+R4)/(R3−R4)≤−0.52; and

0.02≤d3/TTL≤0.08,

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 lens.