light focusing
131Valéry Grancher — [ [http://fr.wikipedia.org/wiki/Valery Grancher french wikipedia article ] ] french wikipedia articleValéry Grancher (born 1967 April 22 in Toulon, Var, France) is a French Internet based artist, performer, theorist, curator and lecturer.… …
132Stage lighting instrument — Stage lighting instruments are used in stage lighting to illuminate theatrical productions, rock concerts and other performances taking place in live performance venues. They are also used to light television studios and sound stages.Terminology… …
