Archived posting to the Leica Users Group, 2000/11/26
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hello Mark: I will be very interested in the results you obtain from FP-4+ in Extol. Please let us know. Roland Smith - ----- Original Message ----- From: "Mark Rabiner" <mark@rabiner.cncoffice.com> To: <leica-users@mejac.palo-alto.ca.us> Sent: Tuesday, November 21, 2000 10:21 AM Subject: Re: [Leica] ReFP-4+ & Plus X pushed one stop > Christer Almqvist wrote: > > > > > > > > > > >Is pushing a medium speed preferable somehow to just using a 400 speed film? > > >mark rabiner > > >:) > > >http://spokenword.to/rabiner/ > > > > YES! ........ unless you push the 400, because then the 400 will be faster. > > > > Sources: > > > > 1. The Film Developing Cookbook by Anchell and Troop ISBN > > 0-240-80277-2 page 54, 2nd para; I thought you said you had read the > > book ;-) > ><Snip> > > He says that run in FX1 or 2 rated at 200: > FP4 or Verichrome will give better results than Tri x at 200 with a speed > loosing developer like Microdol X or Perceptol. Both are being shot at 200. > You're not really doing a push or a pull but in a way you are. > > Among the many problems with this comparison is that Microdol X is a solvent > developer. A fine grain developer with much Sulfite (125 grms per liter > straight) which smooths grain edges by melting them down destroying resolution. > People seldom use solvent developers any more or developers not diluted so it's > sulfite content approaches 100 grams per liter because they don't like fried > mush film. The "fashion" is now films with LESS fine grain but better "sharpness". > (Xtol seems to give us both, a rule breaker) FX1 a stronger grain to match it's > extreme sharpness. > > FX1 is a High definition non solvent developer almost identical to my Beutlers > formula i used for years. Might be exactly the same. Are we getting a real one > stop speed increase with a High definition film developer? > Not in my experience and I've never seen it. I'm a touch incredulous on it. > > But what if it was the case that you could get 200 out of 100 films with the stuff? > Would you compare those results against Tri x melted down in Microdol? > A pushed film against a pulled? > > Pulling for the most part is over exposing and under developing; a compression > of tones; mush negs. > > But giving a neg minimal but adequate exposure and adequate development will > render a clean well separated neg, easier to print. > Many feel a pulled neg gives a neg with more infirmation and easier to print. > This is not my experience. > More info maybe. But murder to seperate out on paper. > > The slower the film the better the result. I don't agree with always using a 400 > film and not being tested at all out on slower films for very well lit scenes or > tripod stuff. The thinner the emulsion the better i like it. > I've done shoots in the studio where I've run out of plus x and had to shoot a > few rolls of Tri x. > Even in the contact sheets the Tri x looked terrible in direct comparison! > > I've said often I'm getting 100 speed film results with Delta 400 with Xtol 1:3. > But when i do shoot Delta 100 which I've shot 20 rolls in the studio with in the > last 10 days; > it comes out a whole lot better than the Delta 400. that's for sure!!! It's a > thinner film. NO grain. a cleaner looking image. > It looks like slow single emulsion films like Pan F, Panatomic, APX 25. > It comes so close I've pretty much stopped using them. > > > But one more test of Pan F in Xtol just to make sure it doesn't blow me out of > the water. > mark rabiner > :) > http://spokenword.to/rabiner/ >