{"product_id":"askar-fra400c-rifrattore-apo-72mm-f-5-6-quintupletto-ed-astrograph-per-astrofotografia","title":"Askar FRA400C – Rifrattore APO 72mm f\/5.6 Quintupletto ED Astrograph per astrofotografia","description":"\u003cdiv class=\"product-description\" style=\"font-family: Arial, sans-serif; font-size: 16px; line-height: 1.6; color: #333;\"\u003e\n\u003ch1 style=\"font-size: 24px; font-weight: bold;\"\u003eAskar FRA400C – Rifrattore Apocromatico 72mm f\/5.6 Quintupletto ED Astrograph\u003c\/h1\u003e\n\u003cp style=\"font-size: 18px; margin-top: 10px;\"\u003eIl \u003cstrong\u003eAskar FRA400C\u003c\/strong\u003e è un \u003cstrong\u003erifrattore apocromatico astrograph\u003c\/strong\u003e con \u003cstrong\u003ediametro da 72 mm\u003c\/strong\u003e e \u003cstrong\u003elunghezza focale di 400 mm (f\/5.6)\u003c\/strong\u003e, sviluppato per l’\u003cstrong\u003eastrofotografia wide-field\u003c\/strong\u003e. Grazie al \u003cstrong\u003eprogetto ottico a 5 elementi Petzval (quintupletto ED)\u003c\/strong\u003e, con \u003cstrong\u003espianatore di campo integrato\u003c\/strong\u003e, il FRA400C offre immagini piatte e corrette su sensori full-frame, eliminando aberrazione cromatica e coma. Compatto e leggero, rappresenta una soluzione eccellente per chi cerca un telescopio performante e portatile per la fotografia del cielo profondo.\u003c\/p\u003e\n\u003cul style=\"margin-top: 15px; padding-left: 20px;\"\u003e\n\u003cli\u003eAstrograph APO a 5 elementi con spianatore integrato\u003c\/li\u003e\n\u003cli\u003eDiametro 72 mm, lunghezza focale 400 mm (f\/5.6)\u003c\/li\u003e\n\u003cli\u003eCampo piatto perfettamente corretto fino a full-frame\u003c\/li\u003e\n\u003cli\u003eElevata correzione cromatica e geometrica\u003c\/li\u003e\n\u003cli\u003eCompatto e trasportabile per astrofotografia itinerante\u003c\/li\u003e\n\u003cli\u003eFocheggiatore da 2,5\" con demoltiplica 1:10\u003c\/li\u003e\n\u003cli\u003eParaluce retrattile per ridurre l’ingombro\u003c\/li\u003e\n\u003cli\u003eAnelli CNC e barra Vixen inclusi\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 20px; margin-top: 30px;\"\u003eSpecifiche tecniche\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 10px;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eModello\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eAskar FRA400C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eTipo ottica\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eRifrattore apocromatico Petzval\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eSchema ottico\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e5 elementi (quintupletto ED con spianatore integrato)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eDiametro\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e72 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eLunghezza focale\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e400 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eRapporto focale\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003ef\/5.6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eCampo corretto\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eFull-frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eFocheggiatore\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e2,5\" con demoltiplica 1:10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eParaluce\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eRetrattile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eAccessori inclusi\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eAnelli CNC, barra a coda di rondine Vixen\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003ePeso\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e~3,9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eLunghezza tubo\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e~430 mm (paraluce retratto)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cdiv style=\"background-color: #f0f8ff; padding: 15px; margin-top: 30px; border-left: 4px solid #007acc;\"\u003e\n\u003cstrong\u003eSpedizione gratuita in Italia\u003c\/strong\u003e\u003cbr\u003eI prodotti con costo superiore a \u003cstrong\u003e199,99\u003c\/strong\u003e\u003cstrong\u003e€\u003c\/strong\u003e prevedono la \u003cstrong\u003espedizione gratuita\u003c\/strong\u003e.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":51121384456408,"sku":"ASK-FRA400C","price":1200.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/0722\/6072\/files\/AskarFRA400C_RifrattoreAPO72mmf5.6QuintuplettoEDAstrographperastrofotografia1.png?v=1764084141","url":"https:\/\/www.giordanoastronomia.it\/products\/askar-fra400c-rifrattore-apo-72mm-f-5-6-quintupletto-ed-astrograph-per-astrofotografia","provider":"Giordano Astronomia","version":"1.0","type":"link"}