thanks: just trying to understand the limits of the plotter. I could not use my enlarger for source (V54 lamp). I rigged up a 250w photoflood. I ended up testing FP4 at 7 1/4 EV at 0.1 seconds. I extended a 4 min time with a 500w photoflood at 9 1/4 EV and 0.4 seconds.
