Re: filmscanners: Correction for daylight slides with artificial light

[Arthur Entlich <artistic@ampsc.com>]

Thanks for the info on your approach to correcting fluorescent lighting.

If you were not interested in having a "filter set" wouldn't just
clicking with the clear eyedropper in levels at the same (near white) 
location do a basic adjustment?

Art

Mário Teixeira wrote:

 > Thanks Art and all the others that helped. In fact, trying to correct 
with
 > levels in PS was beeing truely difficult -- I don't remember very 
well the
 > true color, reproductions in books that I have doesn't seem very 
"true" and
 > I was not liking the results. Happily, I ended remembering  that I read
 > something about correction with inverse colors. After many trials I 
got an
 > approach that seems to work. I post it in the hope that it can help 
others:
 > 1- Pick the color of a white structure (I choose a ceiling near a
 > fluorescent light); 2 - Aplly an overlay layer with the inverse of this
 > color.
 >
 > This makes a filter that I can apply to the other slides (as a starting
 > point) much better than all my other tries. While it cannot correct 
for the
 > uneven illumination, results are very agreable and also very plausible.
 >
 > Mario Teixeira
 > mjteixeira@yahoo.com