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...
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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