The Cambo Wide DS 47mm XL Lens is a large format camera lens that is designed to be used with digital backs.This Cambo F5.6 XL Lens panel consists of a Schneider 47mm f5.6 XL Apo-Digitar lens with copal 0 shutter, which is mounted in a helical focusing mountThe image circle of this Cambo lens panel at f11 is 113mmOne of the highlighting features of this lens panel is the quick lens-plate lock