8-bit rec709 profiles are much more flexible in post than you might think.  I'm not saying they're as good as an Alexa or whatever, but they're a million miles better than people give them credit for. Here's a latitude and WB torture test of the GX85, in the standard profile (8-bit rec709) customised to have reduced contrast but normal saturation.   For each of the below, the left image is the properly exposed reference image, the middle one is the graded image, and the one on the right i