| 摘要 |
PROBLEM TO BE SOLVED: To enable photographing with high accuracy, and also to effectively suppress the useless consumption of a battery. SOLUTION: The camera is provided with a data processing part 401a for processing data related with photographing, 1st and 2nd voltage detectors 44 and 46 for detecting a driving voltage Vcc supplied from the camera body, and a state setting part 401d for setting the working state of the data processing part 401a to either of a standstill state, a standby state or an active state in accordance with the results detected by the 1st and 2nd voltage detectors 44 and 46.
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