An imaging apparatus and an imaging system

Imaging apparatus disclosed in the present application, a lens optical system L, a plurality of first, and the imaging device N having the second pixel P1, P2, and an arrayed optical device K, a lens optical system L, the a first optical region D1 which mainly transmits light vibrating in the direction of one of the polarization axes, and a second optical region D2 which transmits light vibrating in all directions, the arrayed optical element K is applying light having passed through the first optical region D1 into a plurality of first pixel P1, is incident light passing through the second optical region D2 to a plurality of second pixel P2.