-----Original Message-----
From: Randy Rancier [mailto:rrancier@...]
Sent: Tuesday, July 20, 2004 10:48 AM
To: DigitalBlackandWhiteThePrint@yahoogroups.com
Subject: Re: [Digital BW] Grain
Hey Paul,
What's the GEM system? I'm familiar with NeatImage. How do they
compare?
Thanks,
Randy
--- In DigitalBlackandWhiteThePrint@yahoogroups.com, "Paul Roark"
<paul.roark@v...> wrote:
> Doug,
>
> >...I've found that when I go from scanned B&W originals, I
> >get substantially more grain than I'm used to in wet printing. ...
>
> That was one of my early impressions also. Coming from the
darkroom, I'd
> settled on Tmax 100 developed to maximize sharpness (at the cost of
more
> grain). However, with digital, I've had to go the opposite
direction. The
> "Unsharp mask" tool makes sharpness (relative local contrast) easy,
but
> getting rid of the grain seems much harder. So, I switched from
Tmax and my
> sharpening development routine to Tech Pan to get the best grain,
even if
> the sharpness is not as good as my old Tmax.
>
> Many say it is the scanners that do this. So, I took an enlarged
test chart
> and matched the local contrast with a scanned test chart. The
relative
> grain was the same. The main difference I saw was that the
enlarged test
> chart was simply soft compared to what I was able to do with
Photoshop.
>
> My conclusion is that, while there are differences in spectral v.
diffusion
> light sources in the various enlargers and scanners, the main
differences
> are that the lenses are very effective at softening grain, and
unsharp
> masking is magic that allows us to make much sharper images than
was easily
> possible in the enlarger days. This sharpness, however, includes
the grain.
>
> I use the GEM system and have Neat as well to control the grain.
Both are
> quite effective.
>
> Paul
> www.PaulRoark.com
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