Question / Help D800>Ultrastudio>OBS Cannot see camera

[Chris Gillett]

Sorry, I'm sure this is my stupidity. I am running a Nikon D800 into a Blackmagic Ultrastudio Recorder. I can see the camera's output in Facetime but not in OBS.

Log:https://gist.github.com/d15480758fbf9b29a8ffa0b0843d854e