X-Rite GmbH - Optronik, a subsidiary of X-Rite Incorporated, is one of the most experienced suppliers of light and color measurement technology in the world. Product offerings include best-in-class light and color measurement systems, photopic detectors, goniophotometers, spectrophotometers, integrating spheres, system photometers, colorimeters, DC power supplies, reflectance and transmittance measuring systems and uniform light sources as well as various accessories for light measurement.