Patent ID: 11947189
Assignee: RAYTECH OPTICAL (CHANGZHOU) CO., LTD
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 2:
3. The camera optical lens according to claim 1, further satisfying following conditions:

0.26≤f2/f≤1.17; −3.58≤(R3+R4)/(R3−R4)≤−1.02; 0.03≤d3/TTL≤0.11;

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.