It seems once you start recording, the preview and final video tears, pixilates, and lags severely during intense action. This gradually lessens the longer the recording goes on, and seems to lessen the more you record in that session, even if you stop and start a different recording. I haven't been able to get it to not do it all for a single recording yet, though.
Anyway around this? Maybe if I have it record a few seconds of nothing before the action starts to prep it so it will be gone by the time the thing I want to record starts?
Then I run into the problem of having to crop out that part of the video, which will reduce the quality, unless there is a way to render it as uncompressed?