Re: cyanotypes

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From: Tom Ferguson (tomf2468@pipeline.com)
Date: 02/25/01-11:15:44 AM Z


Hello Shannon, Just a note of warning to back up other's comments (Judy??).
Cyanotype, more than most process, will change contrast according to the
paper used.

Until you choose a paper, you can't know how to develop your film for
cyanotype. A bit of "play" is called for here. Just buy the cyanotype
chemicals and/or kit and have fun for a week or two trying differant papers.
Once you've decided, THEN you can figure out how much extra development time
to give your film (not that much extra for me!) for cyaotype prints.

I would not want to make a palladium print from one of my cyanotype negs.
On the paper I use the cyanotype neg is much softer (lower in contrast) than
my palladium negs.

If your final goal is a palladium print, these are much more consistant in
there requirements. My T-max times are a bit more than double, and my HP-5
times are almost triple my silver standards. These numbers will change if
you add palatinum into the mix!

-- 
Tom Ferguson
http://www.ferguson-photo-design.com

> Shannon wrote: >> > >> The problem is, having never made a palladium print, I don't know what a >> negative targeted for palladium would look like. My ultimate goal is to >> make platinum/palladium prints out of 150 negatives that I have not yet >> processed, and I thought I would start by doing some experiments with >> cyanotype just to get the coating thing down, etc. > >> --shannon


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