Patent ID: 8723968

Claim:
An image pickup apparatus having a camera-shake correction mechanism configured to perform camera shake correction by moving an image pickup element with respect to a lens unit, comprising: a base attached to the lens unit; a first plate provided slidably in a first direction with respect to the base; a first actuator configured to move the first plate in the first direction with respect to the base; a first shaft configured to connect the base and the first plate and guide movement of the first plate in the first direction; and a first rotating ball sandwiched between the base and the first plate in a rotatable state, wherein an opening portion through which a light beam traveling toward the image pickup element from the lens unit passes is provided in the base and the first plate, the opening portion is provided between the first shaft and the first rotating ball in a plan view orthogonal to an optical axis of the lens unit, and the first rotating ball is arranged outside the opening portion between one end and the other end of the opening portion in the first direction.