To provide an electronic apparatus which is capable of including an image projection function together with functions of a camera and further capable of suppressing increase of costs caused by increasing the number of components.

A portable telephone set (electronic apparatus) 100 comprises an LED unit 131, a camera unit 140 for converting an optical image into an electric signal and producing image data, a camera image formation optical system 150 for forming an optical image of an imaging target on the camera unit 140, and a liquid crystal panel unit 132 for modulating light emitted from the lED unit 131. The camera image formation optical system 150 is also used as a projection image formation optical system for forming and projecting the optical image emitted from the liquid crystal panel unit 132 on an external projection plane 200. Camera functions and the projection function are switched by changing a position or attitude of a light reflection member 170 comprising an optical path forming means for forming an optical path through which imaging light and projection light pass.

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