monochromator, wavefront, collimation, photodetector, galvo, goniometer, galvanometer, aperture, toric lens, suprarenal, polarimeter, iris diaphragm, diffraction grating, photomultipliers, fluoroscope, cuvette, spherical aberration, spectroscope, capsulotomy, photometer, transmissivity, etalon, scintillator, azimuthal, planar, photomultiplier, fiducial, imager, spectro, eyepieces, absorption coefficient, image intensifier, pyrometer, transmittance, photodiode, photodiodes, electron optics, leadless, nosepiece, photoelectron, microbalance, waveguide, chemiluminescence, cautery, micromanipulator, toroid, pulser, photolithographic, interferometer, piezoelectric crystal, phototransistor, pentaprism, backscattering, colorimeter, neutron radiation, sigmoidoscope, photocoagulation, undulator, cytometer, coronagraph, tailstock, linac, spectrophotometry, demultiplexer, microspectrophotometer, birefringence, aligner, pmos, diffraction, parabolic reflector, stylet, toroidal, dipole moment, tomographic, microcapsule, voltage divider, paramagnetic, thoracoscope, ion beam, heterodyne, midplane, convex lens, dopant, absorbance, illuminance, bistable, calorimetric, obturator, microswitch, compensator, chamfer, rheometer, zeiss, bolometer, pulse generator, scintillation, dipole antenna, kev, radiopaque, anneal, capacitances, dispersive, collimators, nozzle, nozzles, actuator, condenser, antenna, coil, switches, compressor, extruder, grating, burner, contactor, diffuser, horizontal, impeller, rectangular, slit

prism spectroscope, spectroscope

optical device, scope, telescope