Rainbow Research Optics adheres to strict fabrication, coating, test, and assembly controls as part of its ISO 9001:2008 program. Optical and mechanical tolerances are reviewed with an eye toward the overall performance of the finished optical system. Thermal, mechanical, and light flux factors are given due consideration in the system design review. We also handle spherical lenses, mirrors, windows, and prisms, wave plates, Beam splitter cubes, high damage coatings, and thin film polarizers. Visit us at www.rainbowoptics.com and call 303-371-3000 with any questions you may have.