| 摘要 |
PROBLEM TO BE SOLVED: To suppress displacement of a light volume adjusting part in a collapsed state without increasing the number of parts or upsizing. SOLUTION: In the collapsed state, a pin 120 is fitted into a pin holding hole 401 so that operation of a magnet and a rotor shaft is controlled through the pin 120. Thereby, the displacement of the light volume adjusting part in the collapsed state can be suppressed without increasing the number of parts or enlarging a lens device 100 in order to control the rotation of the pin 120, or the magnet and the rotor shaft in the collapsed state. COPYRIGHT: (C)2011,JPO&INPIT
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