I am rendering a Quicktime PreRes4444 to send to my colorist. She will color grade in Resolve. Should I specify Maximum Bit Depth? My thinking is that gives me the most color information, which would be important for a colorist, yes?
Am I correct that without this option I get less color bits?
Sorry if this is a dumb question, but after two years working on my first documentary, I want to do the best job I can!
No ... that's one of the puzzling items that doesn't actually do what it sounds like mostly.
Max Bit Depth is normally needed if you don't have a usable GPU and you are wanting the CPU to process the bit-depth of the color changes in the math that a GPU would use. If you're working with anything other than "software only" in your Project Settings dialog for Mercury Acceleration, you don't normally need that item checked. Premiere will be processing at full bit depth.
There are a few odd circumstances where that can be an issue. One I know of is DNxHD/R in the 4444 option, that ... you do normally need to check the MBD option.
I've not had any troubles with ProRes bit-dept though.
Mostly, yes. Though there are a couple odd cases ... such as DNxHD/R in the 4444 that apparently MBD is needed to really keep top bit-depth in export. But ... for all the "normal" format/codec combinations, it's typically not needed if you've got a full GPU in use.