US 11,947,075 B2
Camera optical lens
Mingyang Shang, Shenzhen (CN)
Assigned to Changzhou Raytech Optronics Co., Ltd., Changzhou (CN)
Filed by Changzhou Raytech Optronics Co., Ltd., Changzhou (CN)
Filed on Dec. 23, 2020, as Appl. No. 17/131,745.
Claims priority of application No. 202010931554.9 (CN), filed on Sep. 8, 2020.
Prior Publication US 2022/0075144 A1, Mar. 10, 2022
Int. Cl. G02B 13/00 (2006.01); G02B 9/64 (2006.01)
CPC G02B 13/0045 (2013.01) [G02B 9/64 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A camera optical lens, comprising from an object side to an image side:
a first lens;
a second lens having negative refractive power;
a third lens;
a fourth lens;
a fifth lens;
a sixth lens;
a seventh lens;
an eighth lens; and
a ninth lens,
wherein the camera optical lens satisfies following conditions:
0.70≤f1/f≤1.80;
−10.0≤(R13+R14)/(R13−R14)≤−6.00; and
2.00≤d15/d16≤10.00,
where
f denotes a focal length of the camera optical lens;
f1 denotes a focal length of the first lens;
R13 denotes a central curvature radius of an object side surface of the seventh lens;
R14 denotes a central curvature radius of an image side surface of the seventh lens;
d15 denotes an on-axis thickness of the eighth lens; and
d16 denotes an on-axis distance from an image side surface of the eighth lens to an object side surface of the ninth lens.