Home›Browse›Barlow lens🌐EnglishEnglishDeutschEspañolFrançaisItalianoNederlandsPolskiPortuguêsSvenskaTürkçeРусскийالعربيةفارسی한국어中文日本語EntityQ177455· pop 26· linked from 21 articlesBarlow lensSign in to savetype of optical lens used to increase the focal length of an optical systemAvailable in 25 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBanglaCatalanCzechFinnishNederlandsNorwegianNorwegian NynorskPolskiSerbianShow 6 moreSlovakSvenskaTürkçeUkrainianفارسی한국어via Wikidata sitelinks · CC0