The Lee Filters Gel Roll 249R Quarter Minus Green Lighting Filter 48"x25' is used on lighting to eliminate unwanted green cast created by discharge light sources on film. Approximately equivalent to CC15 magenta camera filter. Lee Filters provide high-quality lighting filters in a vast range of colors that are precisely consistent from batch to batch, long-lasting and reliable. Lee Filters includes bright and powerful colorants accurately coated onto base material, high specification, ensuring a level of reliability and performance which is second to none. Every filter is checked against a scientifically generated set of parameters.