View Full Version : Across with Perceptol
stefano_4565
6-Aug-2005, 07:12
Would like to know some other experience to develop the acros 100 4 x5 with the perceptol, expert drum. I develop 11 min to 20 ° 40 rpm (n) and 7,5 min to 20 ° 40 rpm (N-1).
Stefano (Italia)
Sal Santamaura
6-Aug-2005, 10:26
In a process established to be compatible with high summer ambient and tap water temperatures:
3006 drum
4 sheets 4x5 Acros
all solutions at 81 degrees F
rotation speed F with new motor (not measured, but claimed by Jobo to be 46 rpm)
5 minute presoak
250ml Perceptol + 750ml water for 7 minutes 30 seconds
30 second water rinse
7 minute fix in TF-4
Result: "N" contrast (CI=0.56) and EI=125
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