| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an interchangeable lens and a camera body that allow for a verification of what any of drive directions makes the interchangeable lens currently operative.SOLUTION: An interchangeable lens comprises: a driven part which receives drive force, and of which a state varies; drive instruction reception means for sequentially receiving a drive instruction signal showing a drive instruction of the driven member from a camera body; first drive control means for performing a first drive control of the driven member on the basis of the drive instruction signal received by the drive instruction reception means; verification request reception means for a state verification signal showing a verification request of a drive control state of the first drive control means from the camera body; and drive state transmission means for, in accordance with reception of the state verification signal by the verification request reception means, transmitting a drive state signal showing the drive control state of the first drive control means to the camera body. In the drive instruction signal, a unique identifier is included for each drive instruction signal, and the drive state transmission means is configured to transmit a drive state signal including the identifier included in the drive instruction signal received by the drive instruction reception means.</p> |
