Digital camera

A camera body to which an interchangeable lens is attachable/detachable, having a movable mirror provided so as to enter or retract with respect to an optical path of an image pickup optical system for guiding a subject image to an optical viewfinder, comprising:

• an image pickup element that captures the subject image formed by the image pickup optical system to generate image data;
• a display portion that displays the image data generated by the image pickup element or image data obtained by subjecting the image data generated by the image pickup element to predetermined processing;
• a control portion having a live view mode controlling so that the image data generated by the image pickup element or the image data obtained by subjecting the image data generated by the image pickup element to predetermined processing is displayed on the display portion as a moving image in real time;
• and
• a power source control portion having, as an operation mode, a sleep mode for stopping power supply to at least part in the digital camera and controlling the power supply to the digital camera,
• wherein when the power source control portion is to start the sleep mode while the movable mirror is retracted from the optical path of the image pickup optical system and the live view mode is set, the control portion controls so that the digital camera comes out of the live view mode to allow the mobile mirror to enter the optical path of the image pickup optical system before the power source control portion starts the sleep mode.