Demonstrating on a SmallHD.com DP1 HDMI field monitor that the camera can remain in full 1080i HD while recording. This will be merged into the upcoming 0.1.7 release of the Magic Lantern firmware for the Canon 5D Mark II once the bugs that cause the flashing onscreen and in the file are worked out.
More info on Magic Lantern: magiclantern.wikia.com/
Technical details on how this works: magiclantern.wikia.com/wiki/Relocation
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