Hi,
I am taking an independent study course at a local community college (I get virtually private use of a complete LF darkroom!) and am about to start zone system testing ala Ansel Adams. I am shooting TMax 100 and have already shot the initial film speed negatives. I have done single sheet development in trays (too clutzy for multiple sheets) but just got the BTZS tubes, and think they will work great. The developer is D76 straight.
The Kodak data sheet recommends 5min 45 sec at 70 degrees. Room temperature has been around 68 to 70 degrees. Does this sound like a good time to start testing with, does your experience indicate a significantly different time, or should I consider using a 1:1 dilution to allow for adequate N- times? I hope this is clear enough. Any help would be appreciated. Thanks in advance.
John T.
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