Hi! I have a 1dx mark iii and when I record in 120fps 1920x1080 handheld, it lags. What I mean by lag is that when I pan the camera from left to right, the frames would jump. An example of this is attached in the video. The frames jumped at around 5 seconds on the video. This is the first time I've seen this. I can see it while I'm recording, playback on the camera's LCD and playback on Premiere Pro as well as on the exported footage. Here are my camera settings: ISO: 100 F: 2.8 Shutter: 1/250 FHD ALL-I 120fps 1920x1080
Looks like buffering. Have you tried a different (or faster) memory card ? Perhaps formatting your original card might help.
