This Tiffen Blue Screen Viewing Glass has a Blue 25 Lens and enables the gaffer or DP to determine if a blue screen is evenly lit.
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.
Type: Viewing Filter Grade: 5 Multi-Coated: No Rotating: No Effect: Judges relative highlight and shadow densities Application: For blue screen work, as well as for setting up color video monitors Construction: Glass Front Filter Thread Size: Not applicable Warranty: Ten-Years
WARNING: This product may expose you to chemicals which are known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.