Automatic focusing camera provided with an auxiliary light emitter

摘要

An automatic focusing camera has a selective night view mode of photographing a scene where the brightness of a main object is lower than the brightness of a background and the brightness of the whole scene is lower than a specified value, and includes an auxiliary light emitter operable to emit an auxiliary light to the main object for focusing; a first determinator operable to determine whether an auxiliary light is necessary in the night view mode; and a controller in responsive to the first determinator to render the auxiliary light emitter emit an auxiliary light.