Patent ID: 8902512
Filing Date: 2014-12-02
Classification: G02B

Abstract:
1. A wide-angle imaging lens assembly with five lenses comprising a fixing diaphragm and an optical set; said optical set including a first lens, a second lens, a third lens, a fourth lens, and a fifth lens, an arranging order thereof from an object side to an image side being: said first lens having a negative refractive power and a convex surface directed toward said object side; at least one surface of said first lens being aspheric; said fixing diaphragm; said second lens having a positive refractive power and a convex surface directed toward said image side; at least one surface of said second lens being aspheric; said third lens having a lens with a positive refractive power and a convex surface directed toward said image side; at least one surface of said third lens being aspheric; said fourth lens having a lens with a positive refractive power and convex surfaces directed toward said object side and said image side; at least one surface of said fourth lens being aspheric; and said fifth lens having a concave surface directed toward said object side and a concave surface with a corrugated contour directed toward said image side and disposed near an optical axis; at least one surface of said fifth lens being aspheric.