Rollex rollfilm back

A rollfilm holder (film back) fitted with a dark slide, designed as an adapter to use 120/620 rollfilm with 9x12 plate cameras, resulting in a 6x9 image (or smaller with a mask insert).

View of opened filmback showing component parts image by Nicholas Middleton (Image rights)

WILL PROVIDE A FULL PHOTO DOCO of a Rollex holder in the next couple of days