| 摘要 |
<P>PROBLEM TO BE SOLVED: To facilitate a cause analysis of a failure due to repeated attachment and detachment by storing the number of times at which the main body of an optical apparatus is attached to an accessory. <P>SOLUTION: The optical apparatus enabling an accessory to be attached thereto and detached therefrom includes an accessory attachment detection means for detecting that the accessory is attached to the optical apparatus, a non-volatile memory, and an attachment number storage control means for counting the number of times at which the accessory is attached to the optical apparatus and stores the attachment number in the non-volatile memory. <P>COPYRIGHT: (C)2012,JPO&INPIT |
