🌐EnglishEnglishDeutschEspañolFrançaisItalianoPolskiPortuguêsSvenskaTürkçeРусскийहिन्दी中文日本語EntityQ1571347· pop 18· linked from 212 articlescollimated lightlight whose rays are parallel, and therefore will spread minimally as it propagatesWikidata factsImageFresnel lighthouse lens diagram.pngSources (3)wikidata.orgdocs.openalex.orgweb.archive.orgvia Wikidata · CC0Available in 18 languagesEspañolFrançaisDeutschРусскийPortuguêsItalianoहिन्दीCatalanGalicianHebrewConnectionslaserEntitySunConceptCategoriesObservational astronomyOptics