Patent ID: 7653293

Claim:
A camera system including a camera body and an interchangeable lens detachably attached to the camera body and adapted to communicate with the camera body, the camera system comprising: an image pickup switch configured to give an instruction to start picking up an image; a shutter unit configured to determine the picking-up time of the image to be picked up, the shutter unit having a mechanical shutter and an electronic shutter; a picking-up mode switch configured to select one of a first picking-up mode in which the start of the picking-up time is determined by the mechanical shutter and a second picking-up mode in which the start of the picking-up time is determined by the electronic shutter; a shake detector configured to detect a shake component of the camera system; a storage unit configured to store data relating to a shake by an operation of the shutter unit; a calculation unit configured to calculate a shake amount on the basis of the shake component detected by the shake detector and the data stored in the storage unit corresponding to an operation of the image pickup switch; and a correction unit configured to correct image blur due to the shake component wherein the storage unit stores the data for each picking-up mode.