Request InfoSORL/Space Optics Research Labs LLCAspheric mirrors up to 30 in. in diameter from Space Optics Research Labs LLC are designed for Cassegrain, Dall-Kirkham, Ritchey-Chrétien, and Gregorian telescope designs. The devices feature athermal optical performance, up to λ/20 surface accuracy, and 0.6000 correction for best-fit sphere. Focal length ranges from 3 to 300 in., with a wide range of coatings in the VIS to NIR wavelength range. 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