titrisol said:If you dilute Rodinal 1+50 or 1+100, times should be increased. our negatives will look smoother, drop contrast a bit and grain will be smaller (IMHO)
The mlre you agitate the more contrast you create on the negative, the shorter the time you should develop.
If you plan on diluting rodinal, you want to cut you agitation to once every other minute or so.
Donald Qualls said:I've wondered if the main reason people find they need to expose at 2/3 to 1 stop under the film's rated speed isn't because they agitate too much or use too fast a process. I use a highly dilute developer, reduced agitation (10-15 seconds every 3 minutes), and develop for 3-4 times the manufacturer's times for "normal" strength developer -- and with the manufacturer's rated speed, I never have problems with lack of shadow detail unless I simply didn't give enough exposure.
Oh, and I get these effects with TMY -- in theory, they should be stronger with "traditional" grain films like Plus-X or Tri-X; that does seem the case with J&C Pro 100, with which I've gotten excellent shadow detail.
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