Patent ID: 11867883
Assignee: CHANGZHOU RAYTECH OPTRONICS 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:

−3.87≤f2/f≤−1.04;

−0.27≤(R3+R4)/(R3−R4)≤1.79; and

0.02≤d3/TTL≤0.08;

where
f2 denotes a focal length of the second lens;
R3 denotes a curvature radius of an object-side surface of the second lens;
R4 denotes a curvature radius of the image-side surface of the second lens; and
TTL denotes a total optical length from an object-side surface of the first lens to an image surface of the camera optical lens along an optical axis.