Make yourself familiar with "config presets".
http://www.magiclantern.fm/forum/index.php?topic=8499.msg78568#msg78568
-1080p: 5D3 is the only cam doing this without that much tweaking. 1920 pixel horizontal is 5D3's liveview native resolution. Without line skipping but pixel binning.
- 2k and above: Crop mode
- Timelapse. Manipulate fps in video mode or use stills as in http://www.magiclantern.fm/forum/index.php?topic=5705.0
http://www.magiclantern.fm/forum/index.php?topic=8499.msg78568#msg78568
-1080p: 5D3 is the only cam doing this without that much tweaking. 1920 pixel horizontal is 5D3's liveview native resolution. Without line skipping but pixel binning.
- 2k and above: Crop mode
- Timelapse. Manipulate fps in video mode or use stills as in http://www.magiclantern.fm/forum/index.php?topic=5705.0