The Linhof M679 professional compendium consists of the filter holder, a normal bellows and a vignetting mask holder. The compendium is inserted into the optical bench on the M679 or M679CC camera, and is centered automatically. Vignetting blades are optional.
Pro Compendium Lens Hood System for 679
Basic Compendium with FIlter Holder (001939)
Vignetting Mask Holder (001942)