On dimanche 13 janvier 2008, Roger Breton wrote: > I did not realize measuring the light reflected from the projection > screen would result in so little light incident on the instrument. But, > in my view, it is nevertheless the better way to manage the color in > this viewing situation. Yes, I agree. This is why I would like to calibrate the HCFR colorimeter, because it may be more accurate in low levels, as it as been designed for projectors. So, I will be able to calibrate the screen reflected light. -- Frédéric http://www.gbiloba.org