Patent ID: 8605367
Filing Date: 2013-12-10
Classification: G02B

Abstract:
1. An optical lens assembly for imaging pickup, sequentially arranged from an object side to an image side, comprising: a first lens element with positive refractive power, having a convex object-side surface; a second lens element with negative refractive power; a third lens element with refractive power, made of plastic, and having both object-side surface and image-side surface being aspheric; a fourth lens element with positive refractive power, made of plastic, having a concave object-side surface and a convex image-side surface, and both object-side surface and image-side surface being aspheric; and a fifth lens element with negative refractive power, made of plastic, having a concave image-side surface, both object-side surface and image-side surface being aspheric, and at least one of the object-side surface and image-side surface having at least one inflection point; wherein, T