<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">Fresnel spotlights</topic></authority><related type="broader"><topic>spotlights</topic></related><variant type="other"><topic>Fresnel lights</topic></variant><variant type="other"><topic>Fresnel spotlight</topic></variant><variant type="other"><topic>Fresnelites</topic></variant><variant type="other"><topic>Fresnels</topic></variant><variant type="other"><topic>lights, Fresnel</topic></variant><variant type="other"><topic>spotlights, Fresnel</topic></variant> <note xml:lang="en"><![CDATA[ Powerful spotlights having a plano-convex lens thinned by reducing the convex side to a series of concentric rings of approximately the same focal length and producing a smooth, soft-edged beam of light. ]]></note></mads>