KO KNIGHT OPTICAL

Optical components, namely, optical lenses, optical filters, optical diffusers, opal diffusers, optical windows, optical flats, optical mirrors, optical beam splitters, optical beam expanders, optical prisms, gas cells, telescopes, microscopes, collimators, ceramic reflectors, iris diaphragms, optical polarizers, optical retarders, optical gratings, graticules and apertures, optical blanks, optical cells and crucibles, and optical retarders; camera filter rings; camera stepping rings; optical accessories, namely, boxes for storing optical lenses, filters, and prisms; optical components for educational kits and for use in scientific and physics experiments; optical breadboards and bases; optical equipment, namely, optical component holders, optical posts and post holders, optical mounts, sliding arm holders, edge clamps, filter wheels, black end plugs, cube connectors, prism tables, enlarging lens adaptors, t-mounts and c-mounts, spacers and retaining rings, and panel mounting cells; microscope objectives and eyepieces