| 摘要 |
A battery remaining life indicating means for photographic cameras which are provided with systems operated under electric power supplies from batteries and have at least two photographing modes of different power consumptions, said indicating means comprising battery life memorizing means having a memory of a battery life in terms of number of possible exposures under a first photographing mode which is calculated on the basis of capacity of battery loaded in the camera and the power consumption under the first photographing mode, modifying factor memorizing means having a memory of a modifying factor which is the power consumption under a second photographing mode measured taking the power consumption under the first photographing mode as a unit, battery life display means for displaying the battery life memorized in the battery life memorizing means, photographing exposure detecting means, photographing mode discriminating means, operating means responsive to said photographing exposure detecting means to rewrite the memory of the battery life in said battery life memorizing means by subtracting one when the discriminating means detects the first photographing mode and by subtracting said modifying factor when the discriminating means detects the second photographing mode.
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