Gene Nocon's book in Darkroom Techniques has great detail and a formula on this. And, it works! Steve Shapiro ----- Original Message ----- From: "Pablo Coronel" <pcorone@unity.ncsu.edu> To: "List for Photo/Imaging Educators - Professionals - Students" <photoforum@listserver.isc.rit.edu> Sent: Monday, January 05, 2004 5:28 PM Subject: Enlargement Factor - times? > Hi all, > A long long time ago, when I was learning to work on the darkroom I had a > GEVAERT manual that was my bible to learn and in it there was this spiffy > table of the relative exposure times for different enlargements. If I > remember correctly this relative times were based on the size of the > diagonal of the enlargement. So a print exposed for 10s in a 5x7 paper can > be exposed correctly in a 8x10 or 11x14 paper just by using a factor (10 x > factor) and so forth. > > Anyone knows where can I find such table again? > > > Pablo Coronel R. > > pcorone@unity.ncsu.edu > http://www4.ncsu.edu/~pcorone >
