> >on 9/5/01 9:10 AM, Roger Wesson at roger@xxxxxxxxxxxxxxxxxxxxxxx
wrote:
> >
> >> Jim Couch wrote:
> >>
> >>> As for the grain issue, I would disagree with that on two levels. The
> >>> first
> >>> is that
> >>> there is more to life than fine grain, sharpness and acuity are
> >>>equally, and
> >>> maybe
> >>> even more important and most people give slide films an edge here. As for
> >>> actual
> >>> grain itself, I am not sure that print films have less grain than slide
> >>> films, the
> >>> best of both are excellent. It does seem that at very high speeds the
> >>> grain
> >>> is less
> >>> objectionable in print films
> >>
> >> I'd definitely agree with this, and not even at very high speeds. 400
> >> speed slide film seems to me to have really chunky grain, far far worse
> >> than 400 speed print film. A pro once gave me what seems like a
> >> reasonable explanation - print film is vastly more popular than slide
> >> film, and the most popular speed is 400, so 400 speed print film has
> >> seen much more R&D than 400 speed slide film.
I've read that since slides are made for viewing by eye, they have to
have more density in the blacks, so the grains are bigger.
Negatives don't have to have such extreme contrast, as printing can
expand it.
Tom
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