| 摘要 |
PROBLEM TO BE SOLVED: To provide an optical instrument which is excellent in maintainability without requiring rewriting of an operation history and an adjustment value even if replacement of a movable part is performed.SOLUTION: An optical instrument recording an operation history of a movable part includes a non-volatile memory, and operation means for performing recording on and reading from the non-volatile memory. The non-volatile memory is provided for each movable part and the operation means records a drive history of the movable part in an operational state of the optical instrument. |
