To provide a fisheye lens which attains a super wide angle with a small number of component lenses.

In the fisheye lens comprising a lens system constituted of two lenses, a first concave lens, a diaphragm and a second convex lens are arranged in order. The first lens positioned nearest to an object side is a glass lens having a high refractive index and its both surfaces are spherical. The second lens is a resin lens or a molded glass lens and has aspherical shape. The entire length of the fisheye lens is shorter than that of an imaging element, and the aberration thereof is corrected relative to a certain single wavelength in a near infrared region.