Patent ID: 11874444
Assignee: CHANGZHOU RAYTECH OPTRONICS CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

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

0.55≤f3/f≤2.42;

−1.22≤(R5+R6)/(R5−R6)≤0; and

0.06≤d5/TTL≤0.21;

where
f denotes a focal length of the camera optical lens;
f3 denotes a focal length of the third lens;
R5 denotes a central curvature radius of an object-side surface of the third lens;
R6 denotes a central curvature radius of an image-side surface of the third lens;
d5 denotes an on-axis thickness of the third lens.