Vladimir Gajic wrote: > well, in that case I'm also tempted to try both ways and to compare the > results. This will > probably be the best thing to do. If I'm right, there are 3 possible > combinations: > 1. Calculate a default output printer profile using ICC-specified conditions > as D50, 2 deg. > observer > 2. Calcilate a output printer profile using my new Heaven 42 based illuminant > and FWA > compensation > 3. Calculating a new, proofing paper based illuminant and applying it along > with FWA > compensation to a new output profile. Hi, I wouldn't bother with 1. If matching is critical, then using the measured illuminant rather than D50 is a minimum requirement. Graeme Gill.