A special accessory shoe is situated at the base of the rewind knob with a standard PC sync.

This enabled improved exposure accuracy, especially in close-up macro photography using bellows or extension rings, and in telephotography with long lenses.

This was accomplished by milling narrow slits in the mirror surface letting a fraction of the light through to the CdS cell placed just behind it.

It was also inspired by the Zeiss Ikon Contax S as well as the Japanese Miranda T—most obviously the body shape by the former, and the detachable finder prism by the latter.

The RE Super was fully prepared for professional work, supported by a choice of lenses and accessories to complement it.