Dragonframe 5.0.8: YES
Dragonframe 4.2.9: YES
Dragonframe 3.7.4: NO
Dragon Stop Motion 2.3.8: NO
(Dragonframe was previously called Dragon Stop Motion)
The Canon EOS 850D provides a live view via its USB connection. The live view size is 960 x 640.
Dragonframe controls the Canon EOS 850D ISO, shutter speed, aperture (with digital lens), image quality, and size.