Provided is an image acquisition system according to the present invention includes: a display device that has a display surface on which an image is displayed; a dome-shaped reflective member that is disposed so as to cover at least a part of the display surface of the display device, that includes a reflective surface reflecting light from the display surface, on an inner surface thereof, and has a through-hole that passes between an interior and an exterior; and a photographing device that photographs light radiated from the display surface via the through-hole, while a subject is disposed at a position between the reflective member and the display surface.