Patent ID: 7639932
Filing Date: 2009-12-29
Classification: G03B

Abstract:
1. A camera system including a camera body and an interchangeable lens assembly attachable to the camera body, the camera system further comprising: a first shake detection unit configured to detect a shake applied to the optical apparatus; an object image detection unit configured to detect an image of an object on the basis of light passing through an imaging lens; a second shake detection unit configured to detect a shake in the image of the object on the basis of an object image signal from the object image detection unit; an optical axis decentering unit configured to decenter the optical axis of the imaging lens; an optical axis decentering control unit configured to control driving of the optical axis decentering unit; and a computing unit configured to compute the moving velocity of the object on the basis of a detection result obtained by the first shake detection unit and a detection result obtained by the second shake detection unit, wherein the optical axis decentering control unit causes the optical axis decentering unit to decenter the optical axis of the imaging lens on the basis of the difference between the moving velocity of the object, which is computed by the computing unit, and the detection result obtained by the first shake detection unit.