Patent ID: 7843652
Filing Date: 2010-11-30
Classification: G02B

Abstract:
1. A wide-angle imaging lens comprising: in order from an object side of the wide-angle imaging lens, a first lens of a negative meniscus lens made of a material having an Abbe number of 40 or more, the first lens having a convex surface on the object side thereof a second lens, at least one surface of which is an aspherical surface, the second lens having a negative power, wherein an object-side surface of the second lens is shaped to be a concave surface on an optical axis of the second lens; an aperture stop; a third lens of a positive lens made of a material having an Abbe number of 50 or more, the third lens having a convex surface on an image side thereof and at least one surface of the third lens being an aspherical surface, the lenses within said wide-angle imaging lens consisting of said first lens, said second lens and said third lens.