Hi Benno & Guillermo, I put your suggestions concerning reciprocity failure to the test with quite satisfactory results. The chart below was a pretty good guide indeed.
> (All times in seconds) > > Metered Time > 2 4 8 12 16 > 24 32 45 60 90 120 > > Exposure Time 3 7 19 33 50 93 > 145 250 378 853 1670 > Development Adj. - - -5% -8% -10% -12% -14% > -16% -18% -20% -24% Thanks again for your help, Erich P.S.One example is ready for display (the Israelite crypt) a couple more will follow shortly: http://rz-home.de/edecker/pinhole.htm =====================================
