Camera with power zoom function and interchangeable lens with power zoom function

摘要

The present invention provides a camera system comprising: a zoom driving means driven by a battery as a power source, for varying a focal length of a taking lens; other driving means driven from the battery as a power source; a detecting means for detecting whether the other driving means are being executed or the other driving means are to be executed; and a control means for prohibiting the execution of the zoom driving means when the detecting means detects the fact that the other driving means are being executed or that the other driving means are to be executed.