Canon 550D, 60D, 600D, 500D and 50D users.
If you are interested in shooting HDR movies Magic Lantern has some firmware for you.
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http://magiclantern.wikia.com/wiki/Magic_Lantern_Firmware_Wiki_
I would read everything on the site before installing as it is a firmware that installs along side your original firmware. I don't shoot movies so it is of no use to me but I thought someone might be interested.
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