{"product_id":"optolong-set-filtri-sho-2-h-alpha-oiii-sii","title":"Optolong SHO Filter Set 2\" (H-alpha\/O-III\/S-II)","description":"\u003cp\u003e\u003cstrong\u003eThe Optolong SHO Filter Set 2\" (H-alpha 7nm \/ O-III 6.5nm \/ S-II 6.5nm)\u003c\/strong\u003e is the combination of three narrowband filters designed for tri-color imaging of emission nebulae in the famous \"Hubble\" palette (SHO), at an affordable price.\u003c\/p\u003e\n\n\u003ch2\u003eThree filters, one palette\u003c\/h2\u003e\n\u003cp\u003eThe set includes an \u003cstrong\u003eH-alpha\u003c\/strong\u003e filter (656nm, 7nm bandwidth), an \u003cstrong\u003eO-III\u003c\/strong\u003e filter (500nm, 6.5nm bandwidth) and an \u003cstrong\u003eS-II\u003c\/strong\u003e filter (672nm, 6.5nm bandwidth). They are suitable for most emission nebulae, planetary nebulae and supernova remnants, and can be used even with the moon high in the sky or under strong urban light pollution, without exposure time being an issue.\u003c\/p\u003e\n\n\u003ch2\u003eConstruction and coatings\u003c\/h2\u003e\n\u003cp\u003eThe filters are made with high-quality optical substrate and multi-layer coating using ion-assisted deposition (IAD) technology, which ensures scratch resistance and central wavelength stability even with temperature changes. The frame is aluminum.\u003c\/p\u003e\n\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\u003cth\u003eParameter\u003c\/th\u003e\u003cth\u003eValue\u003c\/th\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eFilters included\u003c\/td\u003e\u003ctd\u003eH-alpha, O-III, S-II\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBandwidth\u003c\/td\u003e\u003ctd\u003eH-alpha 7nm \/ O-III 6.5nm \/ S-II 6.5nm\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eFormat\u003c\/td\u003e\u003ctd\u003e2\" (50.8mm)\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eFrame\u003c\/td\u003e\u003ctd\u003eAluminum\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eBrand\u003c\/td\u003e\u003ctd\u003eOptolong\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho it's for\u003c\/h2\u003e\n\u003cp\u003eIdeal for those getting started with narrowband imaging who want to create false-color images in the \"Hubble Palette\" style of emission nebulae, without having to buy the three filters separately. Compatible with 2\" filter wheels and most monochrome CMOS cameras for astrophotography.\u003c\/p\u003e","brand":"Optolong","offers":[{"title":"Default Title","offer_id":57948223603019,"sku":"OPSHO-2","price":599.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/1981\/1147\/files\/Optolong-Filters-SHO-Filter-Kit-7nm-2_0d9bb82a-b709-49b6-9d89-6b1d1809044f.jpg?v=1785087799","url":"https:\/\/adriasky.it\/en\/products\/optolong-sho-filter-set-2-h-alpha-oiii-sii","provider":"Adriasky","version":"1.0","type":"link"}