A strobe device including, a strobe main body including a light emitting surface; a plate-like reflector provided on the strobe main body so as to be movable between a use position in which the reflector protrudes forward from the light emitting surface of the strobe main body and a storing position in which the reflector is retracted backward from the use position; a reflector magnetic member made of ferromagnetic material or permanent magnet and attached to the reflector; and a main body magnetic member made of ferromagnetic material or permanent magnet and attached to the strobe main body, wherein when the reflector approaches at least one of the use position and the storing position, the main body magnetic member magnetically attracts the reflector magnetic member and holds the reflector at the one of the use position and the storing position by magnetic attraction.