Kodak #7B Green Safelight 5.5" Round Filter

The Kodak #7B Green Safelight 5.5" Round Filter is designed to provide safe illumination from a safelight for use with some panchromatic-sensitive materials and infrared laser imaging film. It is recommended to use this filter with a 7.5W frosted bulb with direct illumination from at least 4' / 1.2m away. This filter absorbs all light between 200-500nm and 600-880nm, while allowing 500-600nm and 880-900nm light to pass at low densities. It measures 5.5" / 14cm in diameter.