• Use contrast viewers to judge relative highlight and shadow densities
• There are viewers for black-and-white film, as well as various viewer densities for color film
• A darker viewer is used for slower film speeds, where you would tend to use brighter lighting; Faster film, which can be used in dimmer settings would require a lighter viewer
Tiffen Viewing Filters
• The #1 is for black-and-white imaging
• The #2 viewer is for film speeds to 100
• #3 is for faster film; They can be used for video, as well, with the #3 being better suited for lower light levels
• The green #4 viewer is for process photography
• The blue #5 is for blue screen work, as well as for setting up color video monitors
