Tubular fluorescent lamps 26 mm, with G13 bases, color-proof. Product features: Meets the application requirements of ISO 3664:2009 (when used in appropriate fixtures). Metamerism indices: MVIS ≤ 1.0 and MUV ≤ 1.5. Product benefits: Accurate chromaticity coordinates. Stable light-technical and electrical data. Uniform coating. Areas of application: Printing industry, graphic workshops, photographic laboratories. Industrial inspection and color matching facilities. Incoming goods inspection.