WPrism
WAbbe–Koenig prism
WAmici prism
WAmici roof prism
WBauernfeind prism
WDaylight redirecting film
WDeck prism
WDichroic prism
WDispersive prism
WDove prism
WGlan–Foucault prism
WGlan–Taylor prism
WGlan–Taylor prism
WGlan–Thompson prism
WMultiple-prism dispersion theory
WMultiple-prism grating laser oscillator
WNicol prism
WNomarski prism
WPavement light
WPellin–Broca prism
WPentaprism
WPorro prism
WPorro–Abbe prism
WPrism lighting
WPrism spectrometer
WRochon prism
WRoof prism
WSchmidt–Pechan prism
WSénarmont prism
WWedge prism
WWollaston prism