Patent ID: 11874441
Assignee: CHANGZHOU RAYTECH OPTRONICS CO., LTD.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 2:
3. The camera optical lens as described in claim 1, further satisfying following conditions:

−184.97≤f2/f≤−0.99;

1.58≤(R3+R4)/(R3−R4)≤55.73; and

0.01≤d3/TTL≤0.05,

where
f2 denotes a focal length of the second lens,
R3 denotes a central curvature radius of an object side surface of the second lens,
R4 denotes a central 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 plane of the camera optical lens along an optic axis.