Specifies: (1) transparency illuminators; (2) devices for projection viewing of transparencies; (3) conditions for viewing reflection photographic and photomechanical prints; and (4) conditions for judging prints.
ANSI PH2.30-1989 history
1989ANSI PH2.30-1989 Graphic Arts and Photography - Color Prints, Transparencies and Photomechanical Reproductions - Viewing Conditions