• 12-14-2011 04:27 PM #0
    Hexavalent
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    Bill,

    PE addressed blue dye in a post a while ago.
    AFAIK, dye is used to sharpen the response in the blue end, not to increase sensitivity. I haven't found anything in the usual places (Sands, Honeywell etc.,)
    Last edited by Hexavalent; 12-14-2011 at 09:44 PM. Click to view previous post history.
    - Ian

    Light-sensitive Soup : emulsion101.com
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