Judy Seigel (jseigel@panix.com)
Fri, 15 Jan 1999 21:29:58 -0500 (EST)
Steve, others:
Cachet makes a liquid gelatin emulsion that you apply to your own surface
of choice.... on the order, as noted clearly below, of Liquid Light and
the Silverprint Silver Gelatin Emulsion, except that it responds to VC
filters as they do not.
Aside from method of application (& thanks to Offlist for excellent ideas
on that), suggestions about which artists' papers have been successfully
used for applied emulsions would be greatly appreciated.
Judy
On Fri, 15 Jan 1999, Steve Shapiro wrote:
> Subject: Cachet gelatin emulsion
> >I have a student doing a project in Cachet, which is a silver gelatin
> >emulsion made in Germany. He chose it because, unlike the Silverprint
> >emulsion and Liquid Light, it responds to variable contrast filters.
> --snip --
> >If anyone can shed further light on the topic(s), it would be much
> >appreciated.
> >
> >TIA, Judy & Jesse...
> Cachet photographic paper is one of the very best photographic papers on the
> market, today. I sincerely don't understand your question.
>
> the publishers of Photo Techniques magazine have a magazine stule book on VC
> Papers and the Photographic process. This is one of the most clear and
> encompassing publications on this material ever assembled.
>
> Simply stated, variable contrast or multigrade papers have two coats of
> emulstion, one sensitive to green and the other to blue. By filtering the
> magenta light on the surface you sensitize either emulsion more than the
> other.
>
> To make your own full-range print, use platinum/paladium.
>
> What's the problem?
>
> Steve Shapiro, Carmel, CA
>
>
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