| 摘要 |
A camera has a zoom optical system, which includes three lens groups disposed on an optical axis, for being set at least between a wide-angle end and a telephoto end. A zoom motor with plural barrels is movable in first and second moving region continuous with each other, for moving the zoom optical system along the optical axis. The first moving region is adapted to zoom the zoom optical system. A flash emitter emits flash light to a photographic field within an illuminating angular range. A cam groove has a transmission section and a non-transmission section. The transmission section operates in combination with a driving pin when the zoom motor is in the first moving region, for changing the illuminating angular range. The non-transmission section operates when the zoom motor is in the second moving region, for keeping the illuminating angular range unchanged.
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