Dragonframe 4.2.4: YES
Dragonframe 3.7.4: NO
Dragon Stop Motion 2.3.8: NO
(Dragonframe was previously called Dragon Stop Motion)
The Pentax 645Z provides a live view via its USB connection. The live view size is 720 x 480.
Dragonframe controls the Pentax 645Z ISO, shutter speed, aperture (with digital lens), image quality, and size.