Interchangeable lens digital camera

A digital camera comprising a lens unit, a camera body, to which the lens unit is attachable, and communication units which are electrically connected by attaching the lens unit to the camera body, enabling communication between the lens unit and the camera body, wherein,

• A). the lens unit comprises:
• a shake detection sensor that detects the direction and amount of a shake of the lens unit;
• a shake compensation device that moves a shake compensation lens located in the light path so as to compensate for the shake on the basis of the direction and amount of the shake;
• and
• a lens controller that transmits deviation information based on the direction and amount of the shake to the camera body through the communication unit;
• B). the camera body comprises:
• an image sensor having a plurality of pixels arranged in a matrix to image a subject and output an image signal;
• an image data processor that produces a live view image from the image signal, for displaying the live view image on an image display unit;
• and
• a body controller for controlling the camera body;
• C). the communication unit comprises:
• a serial communication unit for serial communication of information between the lens controller and the body controller;
• and
• a condition communication unit for communication of condition informing signals, which represent conditions of the lens unit and the camera body, between the lens controller and the body controller, wherein
• the lens controller and body controller transmit and receive the deviation information through one of the serial communication unit and the condition communication unit.