An image pickup apparatus capable of increasing the number of pixels in a reproduced image without a decline in image quality of a picked up image is provided. The image pickup apparatus includes: an image pickup lens section including an aperture stop, the aperture stop including a plurality of aperture sections; an image pickup device obtaining image pickup data on the basis of light received; and a microlens array section being arranged on the focal plane of the image pickup lens section between the image pickup lens and the image pickup device, and including one microlens for a plurality of pixels of the image pickup device.