fresnel lens Definition

dichroic, sconce, illuminator, illumination, collimator, nonreflective, parabolic reflector, collimating, louvred, mirrorlike, photocells, aspheric, diffraction grating, bevelled, platings, openwork, photochromatic, photogram, crosshatching, clerestory, unpolarized, photomultipliers, translucent, achromatic, knurled, conic, eyepieces, polychromatic, tesserae, weblike, waviness, ductless, calorimetric, translucence, emittance, loupe, microbalance, stroboscope, lunette, translucency, opalescence, spectroscope, scintillator, spandrel, iris diaphragm, watchcase, diffractive, prismatic, lucent, mullions, unornamented, convex lens, bistable, dissipative, paperlike, glassless, quoins, transmissivity, hexagonally, ellipsoidal, borosilicate, cadmium sulfide, heliostat, gobo, coplanar, monochromator, illuminance, sunblind, chromo, pinna, annunciator, retroreflector, collinear, convex, winglike, magnifications, corrugation, photoconductive, radiolucent, foglamp, paned, photochromic, spatiality, demagnetization, casements, underpainting, polyhedron, dodecahedron, nonmagnetic, drum sander, photomultiplier, positionable, colorimetry, pilaster, quasicrystal, manganite, multiplane, phototransistor, handwheel, diffracting,