A CPU of a camera unit controls a communication section to transmit live view images captured by an imaging section to a remote control unit. Further, in the case of receiving a rotation angle of the remote control unit (an angle with respect to the horizontal direction of a display surface of a display section of the remote control unit) transmitted from the remote control unit, the CPU sets a trimming frame for an image captured by the imaging section based on the rotation angle. In the case of receiving an image-taking instruction from the remote control unit, the CPU crops the image along a trimming frame at that point of time and stores the cropped image in a recording medium.