{"product_id":"sv160-2-sii-filter-7nm-narrow-band-for-ccds-w9122b","title":"SVBONY SV160 2\" SII Filter 7nm Narrow-Band for CCDs (W9122B)","description":"\u003ch2\u003eSVBONY SV160 2\" SII Filter 7nm Narrow-Band for CCDs \u003c\/h2\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eSVBONY Sulfur II 7nm Extra Narrowband Filter transmits a 7nm bandwidth of light that is centered at 672nm and drastically reduces other transmissions; including wavelengths of light that are responsible for light pollution\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eQuality lens material;The SVBONY 2inch filters are made with Schott glass that has been multi-coated with an ion-assisted deposition technology to ensure scratch resistance and stability on the central wavelength or CWL\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eRugged metal frame;The SVBONY filter cell is made of lightweight; strong metal and is CNC machined; sand-blasted; black anodized; and then laser engraved\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eStandard 2-inch thread size; Metal filter cell threads directly into the 2- inch barrel of your telescope eyepiece\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli\u003e\u003cspan class=\"a-list-item\"\u003eSVBONY 2inch SII-CCD filter is for the astrophotography; lets you increase the contrast when photographing deep sky objects; It stands out better against the night sky background; letting you see detail that was not apparent before\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eThe Sulfur II 7nm Extra Narrowband Filter transmits a 7nm bandwidth of light that is centered at 672nm and drastically reduces other transmissions, including wavelengths of light that are responsible for light pollution (both artificial and natural). Like all SVBONY filters that are designated as “CCD”, this SII filter also blocks infrared wavelengths from 700nm to 1100nm so you don't need a separate IR-Cut filter\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eThin metal cells have a clear aperture of 45mm for 2inch filters,each filter comes with a plastic case with high pressure EVA case lining\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eMade with Schoot glass\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eTechnical Specifications\u003cspan\u003e \u003c\/span\u003e\n\u003c\/h3\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003eW9122B\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003eSize\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003e2''\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003eType\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003eSII filter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003etransmission SII\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003e80% at 672nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003eInfrared wavelength\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003e700-1100nm cut-off\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003etransmission Hg\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003e0.1% at 435nm and 578nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003etransmission Na\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003e0.1% at 589nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003eThickness​\u003c\/td\u003e\n\u003ctd style=\"text-align: center;\" data-mce-style=\"text-align: center;\"\u003e1.85mm​\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Svbony","offers":[{"title":"Default Title","offer_id":44096073695461,"sku":"SVB-W9122B","price":212.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/svbony-sv160-2-sii-filter-7nm-narrow-band-for-ccds-w9122b-astronomy-plus-1.png?v=1690490612","url":"https:\/\/istronomyplus.com\/products\/sv160-2-sii-filter-7nm-narrow-band-for-ccds-w9122b","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}