Diaphragm control apparatus of interchangeable lens camera
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United States of America Patent
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Oct 6, 2015
Grant Date -
Aug 1, 2013
app pub date -
Jan 9, 2013
filing date -
Jan 31, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A diaphragm control apparatus is provided with a controller. When a photographing lens is attached to a camera body and a power switch is turned from ON to OFF, a drive motor first moves a diaphragm device to a minimum aperture, and thereafter the drive motor is switched from power ON to OFF. Thus, any damage to the inside of camera body due to sunlight entering into the opening of the diaphragm device can be prevented, and also the structure of camera body can be simplified by reducing the number of parts.
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