| 摘要 |
A video camera apparatus comprises a camera unit, a lens unit detachable from the camera unit and a communication circuit for communicating control information between a computer of the camera unit and a computer of the lens unit, wherein at least one of the camera unit and the lens unit comprises a memory for storing information indicating a version of the control information by which both of the camera unit and the lens unit can communicate with each other for control, and the information representing the version can be transmitted by the memory to the other unit to vary or select the control command or contents of the control command.
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