From: Halvor (halvorb@mac.com)
Date: 05/22/03-09:14:28 PM Z
Hi group
what would be a "normal" level of fluctuation in the curves when testing
palladium ?
I have done some tests but find it hard to pin down the results. The curves
tends to vary up to 0.1 to 0.2 Lg H in the midtones, (toe area & sensitivity
point tend to be reasonably similar, D max stable but position varies),
basically the contrast is unstable. Is this just a result of uneven coating
or other factors, my measuring, or simply is palladium printing this
"unstable" ?
Halvor Bjørngård
FeIII from B&S
cranes platinum paper
"basic/traditional formula"
problem seems indipendent of light source, sun, mercury halide, HID, studio
daylight bulb.
coating with rod, dryed with hair dryer, exsposed dry,,,,,
coating area similar
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