Patent ID: 8072695

Claim:
An imaging lens comprising first, second, third, fourth, and fifth lens elements arranged in the given order from an object side to an imaging side, each of said first, second, third, fourth and fifth lens elements having an object-side surface facing toward the object side, and an imaging-side surface facing toward the imaging side, wherein: said first lens element has a positive focusing power, and said object-side surface of said first lens element is a convex surface; said second lens element has a negative focusing power, and said imaging-side surface of said second lens element is a concave surface; said third lens element has a positive focusing power, and each of said imaging-side and object-side surfaces of said third lens element is a convex surface; said fourth lens element is a meniscus lens, and said imaging-side surface of said fourth lens element is a convex surface; said imaging-side surface of said fifth lens element has a concave area in a vicinity of an optical axis of said fifth lens element; each of said first, second, third, fourth and fifth lens elements is made of plastic; and said imaging lens satisfies the optical conditions of | f 2 /f|< 1 f 3 /f> 0.85 wherein f 2 represents a focal length of said second lens element, f 3 represents a focal length of said third lens element, and f represents a focal length of said imaging lens.