Patent ID: 9612420
Date: 2017-04-04
CPC Classifications: G02B

Claim:
1. A lens assembly comprising a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens, all of which are arranged in sequence from an object side to an image side along an optical axis, wherein: the first lens is a biconvex lens with positive refractive power; the second lens is a meniscus lens with negative refractive power and comprises a convex surface facing the object side and a concave surface facing the image side; the third lens is with positive refractive power and comprises a convex surface facing the image side; the fourth lens is a meniscus lens with negative refractive power and comprises a concave surface facing the object side and a convex surface facing the image side; the fifth lens is a meniscus lens with negative refractive power and comprises a concave surface facing the object side and a convex surface facing the image side; and the sixth lens is a meniscus lens with positive refractive power and comprises a convex surface facing the object side and a concave surface facing the image side.