Patent ID: 11947085
Assignee: RAYTECH OPTICAL (CHANGZHOU) CO., LTD
Field: Optics (Instruments)
Classification: CPC G | IPC G

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

0.64≤f2/f≤9.47;−17.80≤(R3+R4)/(R3−R4)≤−2.04;0.03≤d3/TTL≤0.09;

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;
TTL denotes a total track length of the camera optical lens.