C100: Color detail in the darks for Canon Log

R

RZE

Active member
In Canon log I found that when exposed for highlights, setting middle grey to 32 IRE, you get beautiful highlight roll off, but detail in the darks is sacrificed, especially color information. I did a test when a subject with dark brown hair. When I exposed at 32 IRE her hair was black, when I raised middle grey to 40 IRE then 50 IRE her hair moved to dark brown. From my findings, if you would like to preserve saturation detail in the darks effectively, you need to overexpose middle grey by about two stops from where canon recommends it, as long as your highlights don't clip. You can download the original prores 422 here from the test here. When I normalized the different clips I adjusted luminance and saturation until vector scopes and waveforms were relatively overlapped. Have you guys seen these results too?

http://www.mediafire.com/download.php?1b3z5q11vadna1u
 
PTRush said:
can I ask what lens you're using? could it have something to do with that? just a thought-
Click to expand...
Zeiss Ze Lenses, they are contrasty and surely they do have some effect on this, but I think its mostly the camera. Its just a different way to work for me really. I'm used to RED so where your middle grey is pretty much fixed for most situations since its safer to achieve your look in post. But with the C100, your middle grey floats around really quite drastically depending on the situation.
 
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