{"product_id":"antlia-filtro-sii-3-5nm-50mm","title":"Antlia Filtro SII 3,5nm 50mm","description":"\u003ch2\u003eAntlia Filtro SII 3,5nm 50mm – Banda Ultra-Stretta per Astrofotografia\u003c\/h2\u003e\n\u003cp\u003eIl \u003cstrong\u003efiltro Antlia SII 3,5nm\u003c\/strong\u003e è un \u003cstrong\u003efiltro a banda ultra-stretta\u003c\/strong\u003e centrato sulla riga di emissione dello zolfo ionizzato a \u003cstrong\u003e671,6nm\u003c\/strong\u003e, con larghezza di banda di soli \u003cstrong\u003e3,5nm\u003c\/strong\u003e. La banda passante estremamente stretta garantisce una trasmissione superiore all'\u003cstrong\u003e88%\u003c\/strong\u003e sulla riga SII e un blocco fuori banda a OD3 (0,1%) da 300 a 1100nm, per il massimo contrasto anche nei cieli più inquinati.\u003c\/p\u003e\n\u003cp\u003eProgettato da Antlia specificamente per le \u003cstrong\u003ecamere CMOS di nuova generazione\u003c\/strong\u003e e per telescopi veloci fino a \u003cstrong\u003ef\/2.0\u003c\/strong\u003e, il filtro utilizza un substrato ottico Schott monolitico non incollato con lucidatura su entrambe le facce e rivestimento multistrato. Il formato 50mm non montato, con spessore maggiorato per garantire planarità su superfici più ampie, è pensato per ruote portafiltri di grande formato, con perimetro annerito manualmente per eliminare i riflessi ai bordi.\u003c\/p\u003e\n\u003cp\u003eComponente SII del \u003cstrong\u003eset SHO\u003c\/strong\u003e (H-Alpha + OIII + SII), consente la realizzazione di immagini in \u003cstrong\u003eHubble Palette\u003c\/strong\u003e con dettagli eccezionali nelle strutture a zolfo ionizzato di nebulose a emissione, resti di supernova e nebulose planetarie su sensori di grande formato.\u003c\/p\u003e\n\u003ch3\u003eCaratteristiche principali\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBanda passante \u003cstrong\u003e3,5nm\u003c\/strong\u003e – massimo contrasto e soppressione dell'inquinamento luminoso\u003c\/li\u003e\n\u003cli\u003eTrasmissione \u003cstrong\u003e\u0026gt;88%\u003c\/strong\u003e sulla riga SII a 671,6nm\u003c\/li\u003e\n\u003cli\u003eBlocco \u003cstrong\u003eOD3 (0,1%)\u003c\/strong\u003e da 300 a 1100nm\u003c\/li\u003e\n\u003cli\u003eSubstrato Schott monolitico non incollato, bordi anneriti manualmente\u003c\/li\u003e\n\u003cli\u003eFormato 50mm non montato, spessore maggiorato 3mm\u003c\/li\u003e\n\u003cli\u003eCompatibile con rapporti focali fino a \u003cstrong\u003ef\/2.0\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifiche tecniche\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTipo filtro\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBanda ultra-stretta SII (Sulfur II)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLunghezza d'onda centrale\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e671,6nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBanda passante (FWHM)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3,5nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTrasmissione SII\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;88%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBlocco fuori banda\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOD3 (0,1%) @ 300–1100nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFormato\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50mm (non montato)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubstrato\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSchott, spessore 3mm ±0,05mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQualità superficie\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e60\/40 (MIL-O-13830)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePlanarità\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1\/4λ\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eParallelismo\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e30\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRivestimento\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMultistrato nano-coating, doppia faccia\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRapporto focale\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFino a f\/2.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eUso consigliato\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCCD\/CMOS mono, imaging SHO, ruote portafiltri grande formato\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Antlia","offers":[{"title":"Default Title","offer_id":58535460274507,"sku":"ANA-SII-50","price":679.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/filtro-3nm-sii-pro-50mm-antlia-filters.jpg?v=1789989622","url":"https:\/\/adriasky.it\/products\/antlia-filtro-sii-3-5nm-50mm","provider":"Adriasky","version":"1.0","type":"link"}