Patent ID: 9678313
Date: 2017-06-13
CPC Classifications: G02B

Claim:
1. An imaging lens which forms an image of an object on a solid-state image sensor, comprising, in order from an object side to an image side of the imaging lens: a first lens having positive refractive power; a second lens having negative refractive power; a third lens having positive or negative refractive power and at least one aspheric surface; a fourth lens that is a meniscus lens having positive refractive power and an image-side surface that is convex near an optical axis of the imaging lens; a fifth lens that is a double-sided aspheric lens, the fifth lens having at least one surface with pole-change points separated from the optical axis; and a sixth lens that is a meniscus lens having negative refractive power and an object-side surface that is concave near the optical axis, wherein a conditional expression (8′) below is satisfied: where