Re: 10x8 Rollo Pyro Development

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From: Carl Weese (cweese@earthlink.net)
Date: 02/16/01-03:41:02 PM Z


David,

You definitely can process with ABC+ (rollo) pyro in trays--it just gives
remarkably different results from rotary processing in the same soup. The
aeration of rotary processing may make a big difference. I didn't care for
the results with TXT or BPF200 this way and do those films in regular PMK in
trays. HP5+ does quite well and can actually reach too high a contrast level
for Pt/Pd (which means it can easily reach the right level).

If you want to do the TXT in trays with ABC+, you'll need to experiment and
find your processing times. Regular PMK is a very good bet for TXT/tray
processing (but remember to wear gloves!!)

---Carl

--
web site with picture galleries and workshop information at:
http://home.earthlink.net/~cweese/

---------- >From: Nash Computer Technology <nashcom@btinternet.com> >To: Alt Photo <alt-photo-process-l@skyway.usask.ca> >Subject: 10x8 Rollo Pyro Development >Date: Fri, Feb 16, 2001, 3:06 PM >

> Hi > > At last, I've splashed-out and bought a 10x8" back for my Arca-Swiss camera. > I've just ordered a dark-slide and some Kodak Tri-X, and am now starting to > wonder how to process the film! > > I've been using Tri-X in 5x4" format, and have been developing it in Rollo > Pyro in a Jobo CPE2 with lift in a 2509 sheet-film drum. > > I can't afford a Jobo Expert drum and CPP/CPA at the minute, so I'm > wondering what the options are. > > I read in the "New Platinum Print" that it's not possible to tray-process > with Rollo Pyro, although I'm not sure why - surely (if I process one sheet > at a time) constant agitation of the trays would be similar to the Jobo > motion? If anyone successfully tray processes with Rollo Pyro, I'd love to > hear an exact description of the process. > > I've just thought about processing one sheet at a time in a Jobo print drum > in my CPE2. I seem to recall reading about possible problems with uneven > development or uneven removal of the anti-halation layer. Has anyone tried > this method? > > I'm used to my current process which gives consistent results, and would > prefer some method of easily obtaining similar results with the larger film. > > Thanks in advance > > David Nash > >


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