Archived posting to the Leica Users Group, 1998/02/06
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Tom- Could you share your Divided-76 formula with me? I've used Diafine with T-Max 3200 for a 6400 push for years. I've always liked the sharpness and reasonable grain of that combo but I would like to try a 2-bath designed for normal speeds. Thanks---Bill Bresler - ---------- > From: TTAbrahams@aol.com > To: leica-users@mejac.palo-alto.ca.us > Subject: Re: [Leica] Re: B&W film > Date: Wednesday, February 04, 1998 11:37 PM > > Richard, I have been using TRI-X since 1957 and probably developed it in just > about any configuration of chemicals available. I do a lot of playing around > with other films and somehow always come back to Tri-X. It is not a perfect > film, but it can always be printed. The Delta 400/Agfa APX 400/Neopan 400/HP5+ > are all very good films, but they cant really do anything that Tri-x can't do. > I use a divided D-76 with Borax as an alkali developer in the 2nd bath, cheap > and very good, not to temperature sensitive and virtually impossible to blow > the highlights with overdevelopment. I have reduced the Sodium Sulphite in the > A bath down to 50gram/1000 ml as I find that this gives me a tighter grain. > Excess of Sod/Sulphite mushes up he grain. I tried FG-7 but didn't like it for > my shooting. > The Tmax films are probably very good, but I have never gotten along with > them, they seem to be films for severely controlled light situation, studio > etc. In real life they tend to blow either the shadows or the highlights. > Murder to print. > I use the Delta 100 for a lot of slow shooting, very good film and sharp as a > tack. Really shows off that expensive Leica glassware that we use. > If I were you I would pick up some 100 ft rolls of Delta/Agfa/Fuji/ even Tmax > and shoot some tests and try them in some different developers. if nothing > else it keeps you shooting for the fun of it and it is educational. Some films > work very well, the Delta 400 is nice and tightgrained, the Agfa APX 400 is > too contrasty for me and the Fuji 400 is no match for the Fuji Neopan 1600 > rated at 800. > I have a standard test that I do on any film, I shoot it at manufacturers > rating and develop it in Rodinal 1: 100 for 20 min ( agitate twice/60 sec). > This gives me an overall view of the film and what it can do. the Rodinal > gives very sharp grain and reasonable contrast and printable negs. This > establishes a baseline for further experiments. I will load up 4-5 rolls in > cassettes, each a different film, shoot them all in a very short time, same > camera, same lens and run them in the rodinal 1:100/20min. It is amazing what > differences they will show. It is also easy to extrapolate the correct time in > some other developer this way. If your Tri-X looks good in this soup ( and it > will) any of the other films that needs more or less time can be adjusted for > use with the FG-7, by adding or subtracting time from your Tri-X times. > I do these tests about once a year, run through 6-7 different films, 100 feet > of each, various developers, exposure indexes etc and then I normally sit back > and say" Well, the Tri-x is still my favourite and you cant go wrong with D-76 > either" We might bitch at Kodak occasionally, but let us remember, they also > got somethings right and Tri-X is one of the things. Is it only me,or is it > something about Tri-X and Leica M's that is a particularly good match? > Tom A