An imaging apparatus disclosed in the present application includes a lens optical system L, an imaging device N including a plurality of first and second pixels P1 and P2, and an arrayed optical device K, wherein: the lens optical system L includes a first optical region D1 which primarily passes therethrough light oscillating in a direction of a first polarization axis and a second optical region D2 which passes therethrough light oscillating in every direction； and the arrayed optical device K makes light having passed through the first optical region D1 incident on the first pixels P1 and makes light having passed through the second optical region D2 incident on the second pixels P2.
