Profile: Rolyn Optics Co. supplies simple lenses, compound lenses, projection lenses, prisms, optical flats, flat glass & windows, mounts, microscopes & microscope sections, iris diaphragms and beamsplitters. We offer aspheric condensing lenses, bi-concave lenses, bi-convex lenses, cylindrical lenses, fresnel lenses, negative meniscus lenses, plano concave lenses, positive meniscus lenses, standard plano convex lenses, flashed opal glass, fused silica windows, flat glass, single side ground glass, microsheet, pot opal glass, precision windows, sapphire windows, acrylic educational optics set, adjustable keyspanne, junior keyspanner spare keys, lens cap, losimol lubricant, protective coating, spare coils.