I took out the battery from my Cannon 10D for more than


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送交者: steven 于 2005-4-25, 18:35:03:

回答: 内置电源是寿命十年还是无外源补充供电十年？ 由 fagus 于 2005-4-25, 18:33:15:

two weeks, all setting including clocks are still preserved.


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