>Very often in the studio I find that my yellows are way >oversaturated. > >Light balance and exposure are perfect. >Color temperature is not the problem, it is right on. >Even if it was not, no amount of changes with the color temp >setting in lightroom will make a difference. No color channels >are blown out ! THE ONLY thing that will fix the problem is >de-saturating the yellow. > >Is there something about the D200 sensor that causes this ?
You said "in the studio" but you did not say what kind of lighting you are using. If you are using studio flash the colour temperature will drop as you reduce its power.