Digital BW, The Print

Todd,

Thanks for the link, I did put it in the Bookmarks section. Lots of good
stuff especially about scanning (although it is a little dated and I doubt
many of us would choose 8-bit scanners for B&W.) The only thing missing is
anything on output. The focus is on creating digital archives of
photographs. The do stress raw scans for this purpose since the end output
device cannot be known.

I found it interesting that they feel strongly that all of the traditional
photographs are failing and will ultimately decay and that digital archiving
is the way to save them. This should help us keep things in perspective and
realize that photographs, silver or otherwise, are works of art on paper
making them very fragile objects subject to deterioration given the best of
care.

I noticed that they did speak of dynamic range which is unusual in a
photography article and that they defined noise in traditional photography
as "granularity." So I guess my 4x5 Ilford FP4+ negs must have a lot more of
Austin's dynamic range then your Kodak 35mm High Speed Infrared negs.<G>

I don't think I have ever noticed grain in silver papers. Since I can often
see the dither and banding with a loupe on inkjet prints but I can't see the
paper grain on silver paper with a loupe silver must have a gazillion more
tones with its larger density range.

I will now duck and cover.

Martin

----- Original Message -----
From: "Todd Flashner" <tflash@...>
To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
Sent: Tuesday, April 02, 2002 12:06 PM
Subject: [Digital BW] Image Permanance Institute


> I just came across this interesting 52 page PDF by the RIT Image
Permanence
> Institute. It seems to be something of a white paper on archiving a
> collection.
>
> I've only given it a very preliminary glance but it seems to cover a lot
of
> topics that are often discussed on this and other digital lists, such as
> working spaces, resolution, scanner specs (yup, they even discuss noise,
> RMS, S/N, etc.) compression, etc.
>
> <http://www.rit.edu/~661www1/sub_pages/digibook.pdf>
>
> It might be worthy of a link in the files section, but I really haven't
read
> much of it yet to be sure.
>
> Todd
>
>
>
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