Patent ID: 11971524
Assignee: AAC OPTICS (SUZHOU) CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

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

−572.21≤f4/f≤59.90;

−87.91≤(R7+R8)/(R7−R8)≤133.64; and

0.02≤d7/TTL≤0.07;

where
f4 denotes a focal length of the fourth lens;
R7 denotes a central curvature radius of an object-side surface of the fourth lens;
R8 denotes a central curvature radius of an image-side surface of the fourth lens;
d7 denotes an on-axis thickness of the fourth 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.