Patent ID: 8682152

Claim:
A camera body to which an intermediate lens is mountable, the intermediate lens being mountable to an interchangeable lens, wherein the intermediate lens has a first lens and a first drive controller operable to control drive of the first lens, the first lens being provided for achieving a specific optical function, the interchangeable lens has a second lens and a second drive controller operable to control drive of the second lens, the second lens being provided for achieving the same specific optical function as the first lens, wherein both the first lens and second lens are zoom lenses, the camera body comprises: an operation unit operable to receive an operation performed by a user; and a body controller operable to control the first drive controller and the second drive controller, and the body controller sends a signal for driving the first lens to the first drive controller and/or sends a signal for driving the second lens to the second drive controller, according to the user operation performed on the operation unit for achieving the specific optical function.