Tech Tips – The Digital Journalist

As you point out, the two 5D Mark II cameras sync perfectly with each other, but not with your other capture devices. The technical issue here is that the EOS 5D Mark II captures video clips (HD or SD) at a true 30.00 fps, while your other A/V devices record and playback at 29.97 fps, which is the standard for video in North America. This difference eventually results in a loss of synchronization when combining the EOS 5D Mark II video with your other content. You can transcode the EOS 5D Mark II footage to 29.97 fps, but it will take a long time

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