ATTACHMENT

摘要

Provided is an attachment or the like, that can be mounted on an existing portable terminal and that enables superimposed display by a semi-transparent optical element. An attachment mounted on a portable terminal (10) includes: a mounting part (40) for mounting the portable terminal (10); a semi-transparent optical element (50) for displaying, so as to overlap with the visual field of the outside view, the image to be displayed on a display (20) of the portable terminal (10); and a polarization member (reflection member) (91) for polarizing the optical axis direction of an imaging unit (100) of the portable terminal (10).