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    Prewet with Jobo Processing

    The only combination I have tested for prewet effects is not the one you are asking about, but it might provide a cautionary note. I recently decided to switch to Jobo rotary processing for LF and...
  2. How to read a pyro negative with B+W densitometer

    There is one idea I have not tried, but which might work. There is a method for measuring density which involved making prints of test negatives and matchin gray areas. Since it works with actual...
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    3 step dev for zone system

    I would suggest that a better approach is to use a low-contrast developer, Kodak Technidol or POTA. I have read that POTA has a capability of capturing 20 stops on film, but I have not gotten that ...
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    Buying a Densitometer

    I recently got a rather good deal on a used densitometer on eBay, but of course there are always risks with that route. It turned out well for me. You might also consider avoiding the purchase...
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    Rotary Processors and Dilute Developers

    If you want to lower contrast, the real way to do it is use a low- contrast developer. I know of two, Kodak Technidol and POTA. Both use phenidone at the developer. With these developers, you can...
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    Pre-soaking negs

    I recently decided to switch to rotary processing for my negatives. I decided to use the Jobo 2500 series tank for 120 and 4x5 negs. I was having nothing but trouble until I discovered that the 5...
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