| 摘要 |
PROBLEM TO BE SOLVED: To improve a feeling of click operation in a filter turret which is driven by manual operation (to reduce torque differences depending upon rotational directions) and to realize space saving. SOLUTION: The same number of plane notches as the number of filters arranged on a turret are formed on a part of a member to be rotated simultaneously with the rotation of the filters, sheet-like members with pressing force are pressed to the notches and the plane notches and the sheet-like members are arranged so that a feeling of click can be obtained when each filter is aligned to an optical axis. COPYRIGHT: (C)2005,JPO&NCIPI
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