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Bill Bruner
March 2, 2015 at 2:21 pmThis problem is called “aliasing”. It is separate from, but related to “moire”.
Aliasing is the jagged distortion of continuous lines, while moire is an interference pattern created when there are thin lines in your shot.
Nice article on this here: https://www.istockphoto.com/article_view.php?ID=1032
Canon’s downscaling algorithms are the culprit. Taking a 20.2MP sensor and “throwing away” 18 million pixels to create a 1080p image requires a lot of processing power, and Canon DIGIC processors and algorithms are notoriously bad at this (one of the reasons I sold my Canon DSLR).
One answer might be a $365 Mosaic anti-aliasing filter.
Another answer might be to trade up to a (recently marked down) $2499 5D Mark III or a $3999 Canon C100 camcorder – cameras where Canon paid more attention to solving this issue.
There is really nothing you can do about it in post.
Good luck!
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Warren Eig
March 2, 2015 at 4:54 pmMov is the Quicktime wrapper. H.264 is the compression scheme. H.264 is highly compressed. Try Magic Lantern and Shoot RAW cinemaDNG. It is a 14 bits uncompressed.
Warren Eig
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Michael Gissing
March 3, 2015 at 11:34 pmLooks like line skipping causing aliasing. Can’t see any chromatic aberration.
The in camera filters that help this are basically blurring the picture. The sharper the lens the more obvious this can be. My 16-35 on a 5Dmk2 is terrible for this. You could try a slight blur which will soften the image.
H264 can also make things worse but this looks like line skipping to me. My solution is to now shoot 4k video on a Blackmagic camera and use the 5d to shoot stills RAW.
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