OL 25RS/ 25RS-S/ 55RS/ 10RS-S Diffuse and Specular Reflectance Standards

A recognized worldwide leader in high quality spectroradiometric, radiometric, and photometric standards, we offer one of the most complete selections of calibration standard in the industry. Since 1970, we have been in the forefront of developing and supplying NIST-traceable standards, enabling our users to approach state- of-the-art accuracies when calibrating optical radiation measurement instrumentation.