Patent ID: 8040618

Claim:
An imaging lens consisting of: a first lens group having a positive power; a stop; and a second lens group having a positive power, wherein the first lens group, the stop, and the second lens group are arranged in this order from an object side, the first lens group includes, in order from the object side, a first lens, which is a meniscus lens having a negative power and including a convex surface facing the object side, and a second lens that has a positive power and includes a convex image-side surface, the second lens group includes, in order from the object side, a third lens that has a negative power and includes a concave object-side surface, a fourth lens that has a positive power and includes a convex image-side surface, a fifth lens, which is a biconvex lens, and a sixth lens, which is a meniscus lens having a negative power and including a convex surface facing an image side, and each of the first to sixth lenses is a single spherical glass lens.