optical benches and parts and equipment thereof; namely, vibration isolation supports, lamp housing mounts, bench connector bars, optical table rails and clamps, optical component carriers, translation stages, carrier translators, table bases and clamps, spacing blocks, rods and rod holders for optical accessories; rod mounted optical accessories; namely, tilting mirror holders, filter holders, prism tables; optic component holding rings, and parts thereof; namely, adaptors, diaphragms and apertures; microscope eye pieces and holders, optical equipment; namely, microscope objective lenses and holders, laser mirror mounts, laser translation stages, interferometric translation stages, spatial filters, laser beam expanders, optical collimators, laser beam aligners, optical lenses, laser end mirrors, littrow prisms, brewster angle windows, beam splitters, prisms, optical filters, optical light sources, lasers, laser mountings, optical lamp housings, optical calibration lamps and mercury lamps; detection systems comprising UV-IR detectors, radiometers, lock-in amplifiers, diode array detectors; monochromators and spectrographs, and parts thereof