FilmCopy dia MF, holding device for the exact positioning of mounted medium format slides (4.5 x 6 cm and 6 x 6 cm slides in mounts 7 x 7 cm) during digitization with a camera mounted to a copy stand or tripod. With four steplessly adjustable masking strips. Includes overlay mat sized 254 x 201 mm (10 x 7.9 in.) that serves as a protection against stray light.