| 摘要 |
<p>An interchangeable lens (1) attachable to a camera body (10) includes an image pickup optical system configured to form an optical image of an object, and a controller (8) configured to start initializing an optical element included in the image pickup optical system so as to move the optical element to a predetermined position when the controller receives a first signal that commands a start of an initialization from the camera body, and configured to start initializing the optical element after the controller receives identification information from the camera body and a period elapses for which the camera body consumes more than a predetermined amount of power when the controller does not receive the first signal from the camera body.</p> |
