{"product_id":"optolong-filtro-l-enhance-2","title":"Optolong L-eNhance 2\" Dual Band Filter","description":"\u003ch2\u003eOptolong L-eNhance 2” – Dual Band Filter for Color Cameras\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eOptolong L-eNhance 2”\u003c\/strong\u003e is a \u003cstrong\u003e10nm dual band filter\u003c\/strong\u003e for CMOS, CCD and DSLR \u003cstrong\u003ecolor cameras\u003c\/strong\u003e. It transmits up to \u003cstrong\u003e90%\u003c\/strong\u003e on the emission lines \u003cstrong\u003eH-Alpha (656nm)\u003c\/strong\u003e, \u003cstrong\u003eH-Beta (486nm)\u003c\/strong\u003e and \u003cstrong\u003eOIII (500nm)\u003c\/strong\u003e, blocking over 99% of artificial light pollution. Ideal for emission nebulae from urban skies (Bortle 5–8) without a complex mono setup.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eDual Band (H-Alpha + H-Beta + OIII)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003ePeak transmission\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e\u0026ge;90%\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eOff-band blocking\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e\u0026gt;99%\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eBlocking range\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e300–1000nm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eFormat\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e2” (50.8mm)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eSubstrate\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eB270, 1.85mm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eSurface quality\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e60\/40\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eWavefront RMS\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e1\/4λ\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eParallelism\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003e30\u0026quot;\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003e\u003cstrong\u003eRecommended cameras\u003c\/strong\u003e\u003c\/td\u003e\u003ctd\u003eColor CMOS, Color CCD, DSLR\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e","brand":"Optolong","offers":[{"title":"Default Title","offer_id":51262076649803,"sku":"OPL-eNhance-2","price":199.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/filtro_optolong_l-enhance_2inch_fotocamere_cmos_ccd_dslr_inquinamento_luminoso.jpg?v=1744219387","url":"https:\/\/adriasky.it\/en\/products\/optolong-l-enhance-2-dual-band-filter","provider":"Adriasky","version":"1.0","type":"link"}