A multicamera system including: a controller having a reset phase transmitting unit for transmitting information showing a reset phase corresponding to a position in a frame synchronized with a sync reference signal to one or each of plural image pickup apparatuses within a frame period of a one-precedent frame of the frame; and the one or plural image pickup apparatuses each having an image pickup unit for photographing light from an object, an image pickup driving unit for driving the image pickup unit so as to start the photographing of one image pickup frame on the basis of the reset phase information transmitted from the controller, and an output unit for outputting image pickup data of the one image pickup frame photographed by the image pickup unit on the basis of the sync reference signal transmitted from the controller.