Review answers

1. DCI 4K — DCI 4K (4096x2160) is slightly wider than UHD (3840x2160).
2. No, it depends on the camera, the specific type of footage it is, and your Mac's speed.
3. In general, more expensive audio equipment sounds better, has lower noise, and is more reliable.
4. You can have any two of fast, cheap, and good — but not all three.
5. Start static, wait 5 seconds, move the camera, stop moving, wait 5 seconds, stop recording.
6. A gimbal.
7. By matching audio from each camera or audio recorder (though other options are available too).
8. Position interesting things at the intersections of the grid lines.
9. It's thrown away (and that's OK).
10. Lots.