High Acutance Develper

High Acutance Develper

  1. Ian Grant
    In his book "Photographic Processing Chemistry" (1974 Focal Press), L.F.A. Mason lists a typical High Acutance Developer.

    This may possibly be the formula for Hyfin, which was Ilford's High Acutance developer, available from 1961 until the early...
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