To provide a film unit with lens capable of always performing photographing in a proper photographing mode by preventing the forgetfulness of changeover of a photographing mode.
When a mode changeover knob 8 is returned to a neutral position after performing photographing in the daytime photographing mode or in the indoor photographing mode, a lens barrier composed of barrier blades 70, 71 is closed. On the off mode, a release operation preventing lever 74 is returned to an ascending position and the push-down operation of the release button 9 is inhibited. Upon the next-time photographing, if leaving as it is, the lens barrier 5 is closed and the release button 9 can not be pushed down and, therefore, the mode changeover knob 8 is set so as to be naturally operated. When the mode changeover knob 8 is operated, the daytime photographing mode or the indoor photographing mode is selected in accordance with a scene to be photographed hereafter. Therefore, it can be prevented to forget the changeover of the photographing mode and, for example, to fail to photograph the indoor in the daytime photographing mode as it is.
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