Quote:
Originally Posted by xenigo
1.2121 is a much wider pixel, Mike. If your camera has square pixels, you must use the square pixel setting always when working with footage.
A lot of the older HDV cameras cameras shooting 1440x1080 used that pixel size to end up with the correct 16:9 aspect ratio.
Shooting 1920x1080 and 1280x720 have the 16:9 ratio built in, using square pixels.
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FYI, many HDV cameras like the popular Sony FX-1 shoot at 1440 x 1080 with a 1.33 pixel aspect ratio to achieve a 1920 x 1080 video frame, not a 1.2121 p.a.r.. Just do the math!