Archived posting to the Leica Users Group, 2001/03/14
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]>> For Xtol, I recommend that you use the 2500-series of tanks and reels--the >> 1500-series doesn't have the capacity to handle 1:2 or 1:3 too >> well, unless >> you like using a 4-reel tank to process 1 roll at a time. > At 11:03 PM 3/13/01 -0500, Austin Franklin wrote: > >I do not believe you can do 1:2 or 1:3 in the 2500 tanks either without >using a reduced number of rolls of film vs the maximum. They don't maintain >the necessary amount of fluid when laying on their side, if you want to >follow the 100ml of developer per roll rule. > >For 1:2 , you obviously have 300ml of fluid per roll, and for 1:3 you have >400ml fluid per roll. > >A two reel tank (two 35mm reels - 2523 tank) holds 450ml horizontally. That >means you can only do one roll at both 1:2 or 1:3. > >The 5 reel tank (five 35mm reels - 2553 holds 1000ml, so you can do 3 rolls >at 1:2, and 2 rolls at 1:3. You can simply extend the time (run tests first) and 1:2 and 1:3 will work very well. 2500 tanks and reels are indeed the proper tanks and reels to use. Extending the development time for 1:3 has been proven effective and used extensively by Mark Rabiner http://www.rabiner.cncoffice.com/ Jim