Patent ID: 7978967

Claim:
An interchangeable lens mountable to a camera body, comprising: a first movable member; a second movable member; a first drive unit configured to drive the first movable member; a second drive unit configured to drive the second movable member; an obtaining unit configured to obtain first control information and second control information from the camera body, the first control information being an instruction to control the first drive unit, the second control information being an instruction to control the second drive unit; a storage unit configured to store the second control information when the obtaining unit obtains the second control information; and a controller configured to control the first drive unit and the second drive unit based on the first and second control information obtained through the obtaining unit, wherein when the obtaining unit obtains the first control information after obtaining the second control information, the controller drives the first drive unit and the second drive unit in parallel based on the obtained first control information and the stored second control information, and the obtaining unit obtains the second control information from the camera body during a period in which control of the interchangeable lens and control of the camera body are asynchronously performed.