Patent ID: 8369032

Claim:
A compact imaging lens assembly comprising, in order from an object side to an image side: a first lens element with positive refractive power having a convex object-side surface and a convex image-side surface, the object-side and image-side surfaces thereof being aspheric; and a second lens element with negative refractive power having a concave object-side surface and a concave image-side surface, at least one of the object-side and image-side surfaces thereof being aspheric, an air distance between itself and the first lens element; and wherein the compact imaging lens assembly further comprises an aperture stop and an electronic sensor for image formation; wherein the aperture stop is disposed between an imaged object and the first lens element, the electronic sensor is disposed at the image plane; wherein there are two lens elements with refractive power in the compact imaging lens assembly, a distance on the optical axis between the aperture stop and the electronic sensor is SL, a distance on the optical axis between the object-side surface of the first lens element and the electronic sensor is TTL, a radius of curvature on the object-side surface of the second lens element is R 3 , a radius of curvature on the image-side surface of the second lens element is R 4 , a thickness on the optical axis of the first lens element is CT 1 , a focal length of the compact imaging lens assembly is f, and they satisfy the relations: 0.92 <SL/TTL< 1.20; −0.45 <R 3/ R 4<0; 0.35 <CT 1/ f< 0.70.