The Phase One 645 DF Camera Body has the unique feature of supporting focal plane as well as leaf shutters, thus increasing photo innovations. The 645 DF Medium Format Camera Body has a very high flash sync speed of up to 1/1600 of one second. The Phase One Camera Body Classic has better capture responsiveness and auto focus speed than its predecessor.The Phase One 645 DF Camera Body is equipped with custom shooting modes, which can be set in 3 waysThe camera’s completely sealed eye cup cuts out all ambient lightThe Phase One 645DF camera has a viewfinder and mirror, which is thrice that of a 35 mm camera, thus enabling better focus controlThe Phase One 645DF camera is user friendly with manual dials and soft buttons for easy controlIt has an open platform for maximum compatibility and choiceThis camera is compatible with Phase one digital lenses, Hasselblad V lenses, and Mamiya AF/AFD lenses