Safelight
light source suitable for use in a darkroom
The safelight is a red or yellow light used to illuminate a darkroom. Typically it is a normal incandescent or fluorescent bulb behind a red filter, or a red LED. Orthochromatic films and black and white papers can be handled under the safelight without exposing them. Panchromatic and color films, and color papers cannot be handled under the safelight and must be handled in complete darkness.
