> We care much about things like profile fitting accuracy, > FWA, etc., try to eliminate each thenth dE if possible in this areas - > and actually we do have a significant error source directly "at the > roots", i.e. at the observer CMFs, and their variability? Hmmm ... > > Regards, > Gerhard That is really scary? Maybe it's time to switch to 10 degree color matching if it's all that better? Regards, Roger Breton | Laval, Canada | graxx@xxxxxxxxxxxx http://pages.infinit.net/graxx