| 摘要 |
A camera system includes a camera body and a lens unit attached detachably to the camera body. The camera body transmits authentication information through a communication terminal to the lens unit that is attached to the camera body. The lens unit stores the authentication information in an authentication memory. When the lens unit is detached, the camera body transmits the authentication information by wireless to the lens unit. The lens unit compares the received authentication information with one stored in the authentication memory for verification. When the authentication information is matched, the image capturing with the lens unit and the image data transmission from the lens unit to the camera body are possible.
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