Patent ID: 11906703
Assignee: RAYTECH OPTICAL (CHANGZHOU) CO., LTD
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 7:
8. The camera optical lens as described in claim 1, further satisfying following conditions:

−14.35≤f7/f≤−2.56;

−9.39≤(R13+R14)/(R13−R14)≤−1.52; and

0.02≤d13/TTL≤0.07,

where
f7 denotes a focal length of the seventh lens,
R13 denotes a central curvature radius of the object side surface of the seventh lens,
R14 denotes a central curvature radius of an image side surface of the seventh lens,
d13 denotes an on-axis thickness of the seventh 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.