Most people of research tables are discovered in the first class at the pinnacle, 3dlut document. We've got already found out that "lut" stands for "appearance up desk", however i have to point out right here earlier than we pass any in addition that the 3-d a part of the call has not anything to do with changing your 2d picture into something that could make james cameron proud. In this case, it refers to how the research table makes use of photoshop's 3 rgb colour channels to remap the colours for your image. It is not anything you need to worry about, i just failed to want you to get your hopes up.
To choose a lookup desk, really click on on the field to the right of a class's call. I will click on at the 3dlut document box (in which it says "load three-D lut..."):