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  1. #11
    Ian Grant's Avatar
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    Quote Originally Posted by Nicholas Lindan View Post
    Well, unless the MSDS isn't mentioning something - no, it is not Microdol-X.

    It is the original Microdol formula - which anyone can make. If you use this with modern films you will get dichroic fog. I'm rather startled Freestyle would sell something that is guaranteed to have problems.
    When I tested the formula last year there was no trace of Dichroic fog, and I was with a photographer last week who uses the formula as his main developer again with no fogging.

    There was a tendency of Dichroic fog with some of Kodak's films in certain developers in the late 50's and early 60's which was why DK-20 went out of production, and why Microdol-X replaced Microdol. Geoffrey Crawley writing in 1960/1 indicated that the problem was unique to Kodak films and that Ilford films had no issues, in fact for this reason it was a few years before Ilford replaced their ID-48 solvent developer (equivalent to DK-20) with Perceptol.

    Kodak didn't recommend Tmax developer with LF Tmax films because of possible Dichroic fogging which may indicate that Tmax films in the substitute formulae might suffer, but I suspect the issues are with oxidation in Rotary processors.

    Ian
    Last edited by Ian Grant; 05-04-2010 at 11:11 AM. Click to view previous post history. Reason: typo

  2. #12
    Photo Engineer's Avatar
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    Microdol and Microdol-X are NOT the same formula.

    Also, the "secret ingredient" is not Benzophenone nor is it a Benzophenone derivative according to my notes.

    PE

  3. #13
    Guillaume Zuili's Avatar
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    Real or not I don't know. Never used Microdol-X before but tried Mic-X last week and it's just beautiful.
    G.

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