Response to Can I get medium format quality from 35mm?

The Kodak "Tri X" name generates plenty of confusion because in fact, there are 2 different films : TX, iso 400 is the reference for TriX- pan and exists in 35mm and MF; TriX-pan PROFESSIONNAL is rated Iso 320 and is called "TXP" in roll film (MF) and TXT in sheet film (LF). Only MF photographers have choice between these two absolutely different films. So we have to be careful when we make comparisons 35mm/MF... More over,in other brands I use (Agfa, Ilford) I always noticed differences between 35mm and 120 rolls reactions to light; that made me adapt different developping times for each format. I think one of the major reasons for these differences is due to the difference in the film base thickness and "colour" between 120 and 35 mm rolls; if you are aiming at harmonicized negatives in whatever format you have to find out your personnal developping time for each fil/format/developer combination. Most of all it seems to me that I'll always prefer a well exposed/well developped 35 mm negative than a bad ex/bad dev. MF neg. Now, let's try ! Bye; Jean

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