An image pickup lens can form an excellent optical image on a compact image pickup element having a large number of pixels. The image pickup lens includes, sequentially from the object side, an optical aperture, a first lens made of glass and having at least a spherical surface at the object side and a positive refracting power, a second lens made of resin and having two a spherical surfaces and a negative refracting power, a third lens made of glass and having at least a spherical surface at the object side and a positive refracting power, and a fourth lens made of resin and having two a spherical surfaces and a negative refracting power.