Archived posting to the Leica Users Group, 2010/09/24
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi Marty, I've never used Xtol on my Lab days, I was using HC110, D-76 , ID11, and TMax for the TMAX film. I'm agree with your description about the smooth look and larger tonal scale, and I like as they do threir work. Cheers Lluis El 25/09/2010, a las 1:14, Marty Deveney escribi?: > I won't guess what's been done with Lluis' photos without seeing the > negs, but Xtol was introduced in 1996. The associated patent > 5,853,964 was files in December 1997. > > The bromide and iodide makes replenished Xtol mushier, not sharper. > The negs take on a smooth look, with a slightly longer tonal scale. > The developing times increase, sometimes a lot. You need to > frequently run Black-and-White Film Process Control Strips and > establish your normal times from them. It's not always predictable how > much the times will increase as you go on with the replenishment. > > Sudden failure of Xtol has been ameliorated partly by Kodak dropping > the 1L packages, but the ascorbate will still oxidise if you fail to > mix as per the instructions (Particularly about completely dissolving > part A before adding part B), if you use water with too many metal > ions in it, or if you leave the mixed stock solution exposed to aerial > oxidation for too long. > > Marty > > > On Sat, Sep 25, 2010 at 12:15 AM, Chris Saganich > <chs2018 at med.cornell.edu> wrote: >> >> Ah yes XTol. They look good probably replenished Xtol something I >> want to >> try, after the FX1 perhaps. I like experimenting with photo >> chemistry and >> have what looks like a chemical lab in my office these days. Good >> thing I >> work in building full of laboratories as it looks normal as opposed >> to if I >> was a mortgage broker or some such thing. They would probably call >> the cops >> on me for cooking crank. Xtol is perfered by large labs because it >> is self >> replenishing. Some concept!! And it lasts forever and gets better >> with age >> as all the iodine ions come into some equilibrium after 10 or so >> rolls which >> boosts the edge effects. I never tried it because my neighbor >> Gilles told >> me complete zones go missing. He may have been referring to the >> 1960's or >> 70's when Xtol did do funny things to your film and then died >> suddenly. >> Apparently that is no longer the case according to APUG film guru's. >> >> At 04:45 PM 9/23/2010, you wrote: >>> >>> Hi Chris, >>> >>> After a while I don't develop any more my B&W films, I go to a >>> proffessional Lab, they use X-Tol >>> >>> thanks for looking and commenting, >>> >>> Saludos >>> Lluis >>> >>> >>> El 23/09/2010, a las 16:07, Chris Saganich escribi?: >>> >>>> Nice set of images. What are you using on the Trix?? >>>> >>>> >>>> At 06:41 PM 9/22/2010, you wrote: >>>> >>>>> http://gallery.leica-users.org/v/luisrq/Sitges/2010080207.jpg.html >>>>> MP, Summicron Rigid 50mm, Tri-X >>>>> >>>>> http://gallery.leica-users.org/v/luisrq/Sitges/2010080203.jpg.html >>>>> MP, Summicron Rigid 50mm, Tri-X >>>>> >>>>> http://gallery.leica-users.org/v/luisrq/Sitges/2010070235.jpg.html >>>>> MP, Elmarit 28mm ASPH, APX100 >>>>> >>>>> http://gallery.leica-users.org/v/luisrq/Sitges/2010070236.jpg.html >>>>> MP, Elmarit 28mm ASPH, APX100 >>>>> >>>>> http://gallery.leica-users.org/v/luisrq/Sitges/ >>>>> 2010070232w.jpg.html >>>>> MP, Elmarit 28mm, ASPH, APx100 >>>>> >>>>> >>>>> Thanks for looking, your c&c are welcome >>>>> >>>>> Saludos cordiales >>>>> Lluis >>>>> >>>>> http://gallery.leica-users.org/v/luisrq/ >>>>> http://photo.net/photos/lluisripoll >>>>> Blog: >>>>> http://lluisripollphotography.wordpress.com/ >>>>> >>>>> >>>>> >>>>> >>>>> _______________________________________________ >>>>> Leica Users Group. >>>>> See http://leica-users.org/mailman/listinfo/lug for more >>>>> information >>>> >>>> Chris Saganich MS, CPH >>>> Senior Physicist, Office of Health Physics >>>> Weill Medical College of Cornell University >>>> New York Presbyterian Hospital >>>> chs2018 at med.cornell.edu >>>> http://intranet.med.cornell.edu/research/health_phys/ >>>> Ph. 212.746.6964 >>>> Fax. 212.746.4800 >>>> Office A-0049 >>>> >>>> _______________________________________________ >>>> Leica Users Group. >>>> See http://leica-users.org/mailman/listinfo/lug for more >>>> information >>> >>> >>> _______________________________________________ >>> Leica Users Group. >>> See http://leica-users.org/mailman/listinfo/lug for more information >> >> Chris Saganich MS, CPH >> Senior Physicist, Office of Health Physics >> Weill Medical College of Cornell University >> New York Presbyterian Hospital >> chs2018 at med.cornell.edu >> http://intranet.med.cornell.edu/research/health_phys/ >> Ph. 212.746.6964 >> Fax. 212.746.4800 >> Office A-0049 >> >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information