You can make a digital negative using Pictorico OHP Transparency film
using an inkjet printer. See: http://www.danburkholder.com/ and his book
"Making Digital Negatives for Contact Printing"? The book describes a way to
make a "spectral density" negative, which requires less ink and does
not puddle up like it would if you tried to create a physical density negative.
He developed the technique specifically for alternative process contact
printing. The advantage is that you can also edit and adjust curves in
PS before printing.
Wayne
At 10:07 PM 8/30/2004, you wrote:
>....
>THAT is a pity. It is the LF b&w that I'm primarily worried about. I am
>interested in resuming making silver prints from LF, plus experimenting with
>platinum and palladium. I realize that for the latter it will be contact
>printing. Since I only have 4x5 though and have no real desire (at least at
>this point) to go to 8x10 (though the new Cooke Triple Convertible XVa makes a
>good case for going 8x10!), does anyone have any experience making very high
>quality 8x10 (or larger) internegs? Given that platinum paper requires such
>long exposure times as to make traditional enlarger prints impractical, would
>there be any economically feasible way of using a high intensity light source
>for a 4x5 enlarger, e.g. a pulsed/flash source?
>
>Earl
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