We also have white reflectance standards and color reflectance standards. Dorothy Wood . Analytical Spectral Devices . Manufacturer of portable optical spectrometers and spectroradiometers, widely used for the measurement of spectral energy distributions of light sources and the reflectance of materials under ambient illumination. Software for computing luminance, illuminance, and CIE color coordinates is available as an option.
Web site has information on applications, methods and instrumentation.
Brian Curtiss . No listing of color instrument suppliers would be complete without mentioning this venerable supplier, whose pages are reportedly under construction. Includes Windows software that displays spectral, color, and color difference data. Jack Zhou , Manager. Features 61 point reflectance and radiance spectra, other interesting features.