{"product_id":"optolong-filtro-l-extreme-2","title":"Optolong L-eXtreme 2\" – Filtro Astronomico Dual-Band H? e OIII","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;\"\u003eOptolong L-eXtreme 2\" – Filtro Astronomico Dual-Banda H? e OIII\u003c\/h1\u003e\n\u003c!-- Descrizione breve --\u003e\n\u003cp style=\"font-size: 18px; margin-top: 10px;\"\u003eIl \u003cstrong\u003eOptolong L-eXtreme 2\"\u003c\/strong\u003e è un \u003cstrong\u003efiltro astronomico dual-banda\u003c\/strong\u003e specificamente progettato per l’astrofotografia deep-sky a colori. Con una banda passante di circa \u003cstrong\u003e7nm\u003c\/strong\u003e per ciascuna linea, seleziona in maniera precisa le lunghezze d’onda dell’\u003cstrong\u003eIdrogeno-Alfa (656nm)\u003c\/strong\u003e e dell’\u003cstrong\u003eOssigeno III (500,7nm)\u003c\/strong\u003e, riducendo drasticamente l’inquinamento luminoso. Perfetto per la ripresa di \u003cstrong\u003enebulose a emissione e regioni HII\u003c\/strong\u003e, permette di ottenere immagini contrastate, dettagliate e con colori naturali anche da cieli urbani.\u003c\/p\u003e\n\u003c!-- Punti di forza --\u003e\n\u003cul style=\"margin-top: 15px; padding-left: 20px;\"\u003e\n\u003cli\u003eFiltro astronomico dual-banda H? e OIII\u003c\/li\u003e\n\u003cli\u003eDiametro standard da 2\" (48mm)\u003c\/li\u003e\n\u003cli\u003eBanda passante stretta (~7nm) per ciascun canale\u003c\/li\u003e\n\u003cli\u003eRiduzione efficace dell’inquinamento luminoso\u003c\/li\u003e\n\u003cli\u003eOttimizzato per nebulose e regioni HII\u003c\/li\u003e\n\u003cli\u003eCompatibile con camere CMOS\/CCD a colori e DSLR modificate\u003c\/li\u003e\n\u003cli\u003eVetro ottico di precisione con rivestimento multistrato\u003c\/li\u003e\n\u003cli\u003eSupporto in alluminio anodizzato nero anti-riflesso\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Specifiche tecniche --\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\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ccc; background: #f9f9f9;\"\u003eParametro\u003c\/th\u003e\n\u003cth style=\"padding: 8px; border: 1px solid #ccc; background: #f9f9f9;\"\u003eValore\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\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;\"\u003eOptolong L-eXtreme 2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eTipologia\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eFiltro astronomico dual-banda\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;\"\u003e2\" (48mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eLunghezze d’onda\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eH? (656nm), OIII (500,7nm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eBanda passante\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e~7nm per ciascun canale\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eTrasmissione\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e\u0026gt;90% nelle linee principali\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eMateriale\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eVetro ottico di precisione\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eTrattamento\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eRivestimento multistrato anti-riflesso\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eCompatibilità\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eCMOS\/CCD a colori, DSLR modificate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eApplicazioni\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eAstrofotografia deep-sky di nebulose\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eSupporto\u003c\/td\u003e\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eAlluminio anodizzato nero anti-riflesso\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c!-- Box finale --\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.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eNB:\u003c\/strong\u003e Garanzia ufficiale \u003cstrong\u003eOptolong\u003c\/strong\u003e con supporto e assistenza tecnica in Italia.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Optolong","offers":[{"title":"Default Title","offer_id":51121316757720,"sku":"66894","price":290.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/0722\/6072\/files\/2ebaaf27fe0adee7ae75713aee855844_7e331a2b-3801-42d0-aeca-544afd0c2b75.jpg?v=1764082884","url":"https:\/\/www.giordanoastronomia.it\/products\/optolong-filtro-l-extreme-2","provider":"Giordano Astronomia","version":"1.0","type":"link"}