US 12,461,341 B2
Wide-angle lens assembly
Rong-Shun Syu, Taichung (TW)
Assigned to SINTAI OPTICAL (SHENZHEN) CO., LTD., Shenzhen (CN); and ASIA OPTICAL CO., INC., Taichung (TW)
Filed by Sintai Optical (Shenzhen) Co., Ltd., ShenZhen (CN); and Asia Optical Co., Inc., Taichung (TW)
Filed on Aug. 4, 2022, as Appl. No. 17/880,795.
Claims priority of application No. 110132084 (TW), filed on Aug. 30, 2021.
Prior Publication US 2023/0079872 A1, Mar. 16, 2023
Int. Cl. G02B 9/64 (2006.01)
CPC G02B 9/64 (2013.01) 15 Claims
OG exemplary drawing
 
1. A wide-angle lens assembly comprising:
a first lens which is with negative refractive power and comprises a concave surface facing an object side;
a second lens which is with refractive power;
a third lens which is with refractive power;
a fourth lens which is with positive refractive power and comprises a concave surface facing the object side and a convex surface facing an image side;
a fifth lens which is with negative refractive power;
a sixth lens which is with positive refractive power and comprises a convex surface facing the image side;
a seventh lens which is with positive refractive power and comprise a convex surface facing the object side and a convex surface facing the image side; and
an eighth lens which is with negative refractive power and comprises a concave surface facing the object side;
wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens, the sixth lens, the seventh lens, and the eighth lens are arranged in order from the object side to the image side along an optical axis.