Patent ID: 9733450
Date: 2017-08-15
CPC Classifications: G02B

Claim:
1. A lens assembly, comprising sequentially from an object side to an image side along an optical axis: a first lens which is a biconvex lens with positive refractive power; a second lens which is a meniscus lens with negative refractive power and an object side surface thereof is convex toward the object side and an image side surface thereof is concave toward the image side; a stop; a third lens which is a meniscus lens with negative refractive power and an object side surface thereof is convex toward the object side and an image side surface thereof is concave toward the image side; a fourth lens which is a meniscus lens with positive refractive power and an object side surface thereof is concave toward the object side and an image side surface thereof is convex toward the image side; a fifth lens which is a biconcave lens with negative refractive power; and the lens assembly satisfying the following condition: wherein D