Konical
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- Joined
- Jun 1, 2003
- Messages
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Good Morning, Fellow Apugers,
Heres my situation: My inventory of Technidol developer is both old and sparse. The newest I have is four packets of the liquid type which were purchased in 2003; I also have several packets of the powdered type which are undoubtedly older, but by how much I have no exact idea. When I last used one of the liquid packets from this inventory (perhaps a couple of years ago), the results were fine.
For long-exposure high-contrast nighttime shots, I have long standardized on T-Max 100 and processed the film in Technidol. Instead of mixing the liquid concentrate to make eight ounces of solution (the Kodak recommendation), I have used it to make ten ounces instead and processed the film, four sheets at a time, in an 8 × 10 Chromega drum (continuous agitation). Generally, my night shots have exposures ranging from about a minute and a half to perhaps four minutes at 16 or thereabouts. My more or less normal processing time is about ten minutes, with seat-of-the-pants adjustment up or down depending on my perceived and remembered contrast level of a given scene.
Photographers Formulary offers two types of POTA developer, one described as Phenidone Extended Range (POTA) and the other as Modified POTA Delagi 8. My question: Can anyone offer an insightful opinion about which of those developers would most closely match Technidols contrast-taming performance when used in the manner described above?
Konical
Heres my situation: My inventory of Technidol developer is both old and sparse. The newest I have is four packets of the liquid type which were purchased in 2003; I also have several packets of the powdered type which are undoubtedly older, but by how much I have no exact idea. When I last used one of the liquid packets from this inventory (perhaps a couple of years ago), the results were fine.
For long-exposure high-contrast nighttime shots, I have long standardized on T-Max 100 and processed the film in Technidol. Instead of mixing the liquid concentrate to make eight ounces of solution (the Kodak recommendation), I have used it to make ten ounces instead and processed the film, four sheets at a time, in an 8 × 10 Chromega drum (continuous agitation). Generally, my night shots have exposures ranging from about a minute and a half to perhaps four minutes at 16 or thereabouts. My more or less normal processing time is about ten minutes, with seat-of-the-pants adjustment up or down depending on my perceived and remembered contrast level of a given scene.
Photographers Formulary offers two types of POTA developer, one described as Phenidone Extended Range (POTA) and the other as Modified POTA Delagi 8. My question: Can anyone offer an insightful opinion about which of those developers would most closely match Technidols contrast-taming performance when used in the manner described above?
Konical
