The HydroFlex VistaVision Butterfly Housing is designed around the Paramount VistaVision Butterfly camera with a Nikon lens mount and 1000 ft. magazines. Features include external focus, iris and motor controls, reflex viewing, video tap, remote run, internal light and battery pack. Depth rated to 100 ft., it weighs 240 lbs. dry and negative 3 lbs. wet.