Question / Help Judder + Flickers While Panning/Zoom (Recording & YT Live Stream)

DaveNeedsHelp

New Member
Hi Everyone,
After spending days trying to find a solution, I've turned to the experts for some help. Whenever I try recording localy through OBS or live stream through youtube, when panning or zooming quickly you can see juddering effect and at times almost like cuts/jags within video. These cuts/jags seem to be on my local computer as a windows machine only shows the judder.

Please see a recording here:
https://youtu.be/uLlrepO0HNk?t=14s

See my details below. I'm using a JVC GY-HM750 ProHD camera connected through SDI into a Blackmagic Ultrastudio Mini Recorder, running through thunderbolt into my Macbook Pro. It's set to 1920 x 1080 at 30fps.
 
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