{"product_id":"usato-garanzia-1-anno-optolong-filtro-h-alpha-7nm-2-come-nuovo","title":"[Used 1-Year Warranty] Optolong 7nm H-Alpha 2\" filter like new","description":"\u003cdiv style=\"font-family: Arial, sans-serif; font-size: 16px; line-height: 1.6; color: #333;\" class=\"product-description\"\u003e\n\n\u003c!-- 1. Titolo --\u003e\n\u003ch1 style=\"font-size: 24px; font-weight: bold;\"\u003e[Used 1-Year Warranty] Optolong 2” H-Alpha 7nm Filter – Like New\u003c\/h1\u003e\n\n\u003c!-- 2. Descrizione breve --\u003e\n\u003cp style=\"font-size: 18px; margin-top: 10px;\"\u003eThe \u003cstrong\u003eOptolong 2” H-Alpha 7nm filter\u003c\/strong\u003e is a \u003cstrong\u003enarrowband filter\u003c\/strong\u003e designed for deep-sky astrophotography, ideal for isolating \u003cstrong\u003eH-alpha emission (656.3 nm)\u003c\/strong\u003e from nebulae. This item is \u003cstrong\u003eUSED\u003c\/strong\u003e, in \u003cstrong\u003eLIKE NEW\u003c\/strong\u003e condition, and covered by a \u003cstrong\u003e1-year warranty\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003c!-- 3. Caratteristiche principali --\u003e\n\u003ch2 style=\"font-size: 20px; margin-top: 25px;\"\u003eKey Features\u003c\/h2\u003e\n\n\u003cul style=\"margin-top: 10px; padding-left: 20px;\"\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e7 nm bandpass\u003c\/strong\u003e for high contrast.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003e2” format\u003c\/strong\u003e (standard M48 thread).\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eIsolates H-alpha emission\u003c\/strong\u003e at 656.3 nm.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eEffective light pollution reduction\u003c\/strong\u003e.\u003c\/li\u003e\n\n\u003cli\u003e\n\n\u003cstrong\u003eExcellent value for money\u003c\/strong\u003e.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003c!-- 4. Prestazioni in astrofotografia --\u003e\n\u003ch2 style=\"font-size: 20px; margin-top: 30px;\"\u003eAstroimaging Performance\u003c\/h2\u003e\n\n\u003cp\u003eThe Optolong 7nm H-Alpha filter allows you to obtain \u003cstrong\u003ehigh-contrast images\u003c\/strong\u003e of emission nebulae, improving the signal even under imperfect skies. It is ideal for deep integrations and narrowband work.\u003c\/p\u003e\n\n\u003c!-- 5. Compatibilità --\u003e\n\u003ch2 style=\"font-size: 20px; margin-top: 30px;\"\u003eCompatibility\u003c\/h2\u003e\n\n\u003cp\u003eCompatible with \u003cstrong\u003emonochrome astronomical cameras\u003c\/strong\u003e and \u003cstrong\u003emodified cameras\u003c\/strong\u003e. Can be used on refractors, Newtonians, and RCs with 2” filter holders or filter wheels.\u003c\/p\u003e\n\n\u003c!-- 6. Condizioni --\u003e\n\u003ch2 style=\"font-size: 20px; margin-top: 30px;\"\u003eCondition and Warranty\u003c\/h2\u003e\n\n\u003cp\u003eThe filter is in \u003cstrong\u003eexcellent condition\u003c\/strong\u003e, with no visible signs of wear, ready for use, and covered by a \u003cstrong\u003e1-year warranty\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003c!-- 7. Specifiche tecniche --\u003e\n\u003ch2 style=\"font-size: 20px; margin-top: 30px;\"\u003eMain Technical Specifications\u003c\/h2\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse; margin-top: 10px;\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eBrand\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eOptolong\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eType\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eH-Alpha Filter\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eBandpass\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e7 nm\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eFormat\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e2” (M48)\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eStatus\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eUsed – Like new\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003eWarranty\u003c\/td\u003e\n\n\u003ctd style=\"padding: 8px; border: 1px solid #ccc;\"\u003e1 year\u003c\/td\u003e\n\n\n\u003c\/tr\u003e\n\n\n\u003c\/tbody\u003e\n\n\n\u003c\/table\u003e\n\n\u003c!-- 8. Ideale per --\u003e\n\u003ch2 style=\"font-size: 20px; margin-top: 30px;\"\u003eIdeal For\u003c\/h2\u003e\n\n\u003cul style=\"padding-left: 20px;\"\u003e\n\n\u003cli\u003eNarrowband deep-sky astrophotography\u003c\/li\u003e\n\n\u003cli\u003eEmission nebulae\u003c\/li\u003e\n\n\u003cli\u003eMonochrome cameras\u003c\/li\u003e\n\n\u003cli\u003eAdvanced astronomical setups\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003c!-- 9. Contenuto confezione --\u003e\n\u003ch2 style=\"font-size: 20px; margin-top: 30px;\"\u003ePackage Contents\u003c\/h2\u003e\n\n\u003cul style=\"padding-left: 20px;\"\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eOptolong 2” H-Alpha 7nm\u003c\/strong\u003e filter\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003c!-- 10. Box spedizione --\u003e\n\u003cdiv style=\"background-color: #f0f8ff; padding: 15px; margin-top: 30px; border-left: 4px solid #007acc;\"\u003e\n\n\u003cstrong\u003eFree shipping\u003c\/strong\u003e\u003cbr\u003eFree shipping throughout Italy for orders over \u003cstrong\u003e€199.99\u003c\/strong\u003e.\u003c\/div\u003e\n\n\n\u003c\/div\u003e","brand":"Optolong","offers":[{"title":"Default Title","offer_id":51121359487192,"sku":"USA-83198","price":149.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0766\/0722\/6072\/files\/25393049.jpg?v=1764083633","url":"https:\/\/www.giordanoastronomia.it\/en\/products\/usato-garanzia-1-anno-optolong-filtro-h-alpha-7nm-2-come-nuovo","provider":"Giordano Astronomia","version":"1.0","type":"link"}