Thanks for staring this Steve, I'm just a dumb DP who figures that his exposure range is 0-1023. How dare anyone mess with this :-) So, I shoot Viper, monitor on a Mac monitor via Decklink fed by a Truelight box, just WTF am I looking at :-) -- Cheers Geoff Boyle FBKS Director of Photography EU Based www.cinematography.net/geoff