Image pickup lens, image pickup apparatus and mobile terminal

摘要

An image pickup lens includes, in order from an object side thereof: a aperture stop; a first lens having a positive refractive power; a second lens having a negative refractive power; a third lens having a positive refractive power; and a fourth lens having a negative refractive power and having a biconcave shape including an aspheric surface. The image pickup lens satisfies the predetermined conditions according to focal lengths of the first lens and the third lens.