From: Devra Goldberg (smspoll@yahoo.com)
Date: 07/01/03-06:29:42 AM Z
i know i've seen this in the archives, but i'm working
on doing blue van dykes a la christopher james' "the
book of alternative photographic processes" and wanted
to solicit advice and share the few discoveries i've
made.
he says that overexposed cyanotypes seem to work best
when coupled with a slightly off-registered van dyke
overcoat--does anyone know if a standard or
overexposed van dyke is the best way to go? the
overexposed/van dyke combo is actually the worst of
the tests i've tried so far, but i admit i haven't
tried flat-out overexposing the van dyke. i've also
had difficulties with determining the register--when i
line them up, there is no difference, but when i tweak
the vn dyke negative so it is slightly off it just
looks like some crazy double exposure.
thus far i've had the best luck when processing a
normally exposed cyanotype in vinegar instead of
running water. when i do the van dyke overcoat it
breaks down the blue like james describes and then i
get a lovely split-tone. i've yet to determine
exactly how to control the split tones, but i do have
a test (that i repeated once with similar results)
online here:
http://www.geocities.com/smspoll/altpro/amandabvd.jpg
i thought i saw someone mention that p-f did an
article on blue van dykes and if someone could point
me in the right direction i'd be interested in
acquiring a copy.
thanks,
devra
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