Groundglass Back M 679 / Techno
001698-S
The detachable groundglass back accepts various groundglasses and viewing aids. The groundglass back has 3 grooves for inserting the interchangeable format groundglasses, the Fresnel screen as well as the viewing aids.
By simple fingertip pressure the groundglass back with inserted groundglass can be unlocked and be taken off for change of vertical to horizontal format, sometimes even with attached viewing aid.
