An image pickup apparatus includes: an image pickup lens section having an aperture stop; an image pickup device obtaining image pickup data on the basis of light detected; and a microlens array section arranged on a focal plane of the image pickup lens section, and including a plurality of microlenses, each of the microlenses being provided corresponding to a plurality of image pickup pixels of the image pickup device, wherein the following formula (1) is satisfied: p=(m×s)×{L/(L+f)}  (1) where p is a pitch between the microlenses, s is a pixel size in a predetermined direction, m is the number (an integer) of the image pickup pixels allocated to each of the microlenses in the predetermined direction, L is a distance between the aperture stop and the microlens array section, and f is a focal length of each of the microlenses.