Patent ID: 11892596
Assignee: AAC OPTICS (CHANGZHOU) CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 4:
5. The camera optical lens as described in claim 1, further satisfying following conditions:
0.81≤f4/f≤122.22;
≤1.83≤(R7+R8)/(R7≤R8)≤50.32; and
0.03≤d7/TTL≤0.10,
where
f4 denotes a focal length of the fourth lens;
R7 denotes a curvature radius of an object side surface of the fourth lens;
R8 denotes a 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 plane of the camera optical lens along an optic axis.