| 摘要 |
PROBLEM TO BE SOLVED: To provide a shutter device capable of reducing the weight of a moving optical system and extending the service life of a power supply system to a drive source (actuator) of a sector. SOLUTION: The sector 1 is turnably supported by a support shaft 2 erected on a lens frame 13. The sector 1 is provided with a slide engagement part 3. An imaging apparatus body is provided with a drive source 4 for turning the sector 1. The output shaft 8 of the drive source 4 is provided with a sector operating shaft 5 extending in the direction of an optical axis. The slide engagement part 3 is engaged with the sector operating shaft 5 so as to be freely slid in the direction of an optical axis. COPYRIGHT: (C)2007,JPO&INPIT
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