ARCHIVAL PRINTS (archivalprints@home.com)
Wed, 24 Nov 1999 00:21:19 -0500
In making enlarged negatives for platinum printing one should aim for a
flat interpositive, using say FP 4 in two bath D-23 or dilute HC-110.
The next step, using continuous tone sheet film (FP 4), is to make an
enlarged negative with the possibility of controlling contrast. Using
HC-110 at this stage would allow for a range of contrast control.
Several people are talking about using PMK-pyro at this stage, but how
do you control contrast with pyro? What benefit is there in duping a
low contrast interpositive onto sheet film developed in pyro? Is this
not the equivalent of shooting a low contrast scene and developing in
pyro and therefore missing out on its true attribute, namely holding
highlight detail in a high contrast scene?
What opinions/experiences do people have relating to the use of HC-110
vs. pyro for the second step in negative enlargement?
Regards from Toronto,
Mark Nowaczynski
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