W. Nass Stereo Triple adapter for Rolleiflex 3,5F / 2,8F
For Rolleiflex 2,8F or 3,5F, very rare Triple adapter made by Wilhelm Nass in Hannover, for three exposures 4x6cm on plates, original viewer no.1051, and plate film holders included, this outfit was used by the West-German Police, for deatails Rollei Report 2. book page 525.