Home›Chromism›प्रकाशवर्णी लेंस🌐हिन्दीEnglishFrançaisItalianoNederlandsPortuguêsРусскийالعربيةفارسیहिन्दी中文日本語EntityQ2737181· pop 13· linked from 111 articlesप्रकाशवर्णी लेंसAlso known as photochromic lensesoptical lenses that darken on exposure to certain wavelengths of lightWikidata factsImagePhotochromicLens.jpgShow 1 more factCommons categoryPhotochromic lensSources (1)wikidata.orgvia Wikidata · CC0Available in 12 languagesFrançais中文PortuguêsItalianoالعربيةहिन्दीMalayNederlandsNorwegian NynorskTamilConnectionsglassEntityInternational Standard Book NumberEntityCategoriesChromismCorrective lensesGlass applicationsGlass chemistryGlass compositions