{"title":"IDAS Narrowband Filters","description":"\u003cp\u003eIDAS narrowband filters. Part of \u003ca href=\"\/collections\/idas-filters-ao5c\"\u003eIDAS Filters\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"idas-ha-52mm-filter-ultra-high-speed","title":"IDAS HA 52mm filter Ultra High Speed","description":"\u003cp style=\"box-sizing: border-box; margin: 0px 0px 1.41575em; font-family: \" source sans pro helveticaneue-light neue light helvetica arial grande sans-serif rgb background-color:=\"\"\u003eUHS(Ultra High Speed) version, which is ideal for RASAs and HyperStars\u003c\/p\u003e\u003cul style=\"box-sizing: border-box; margin: 0px 0px 1.41575em 3em; padding: 0px; list-style-position: initial; list-style-image: initial; font-family: \" source sans pro helveticaneue-light neue light helvetica arial grande sans-serif rgb background-color:=\"\"\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eHa 6.5 +\/- 0.1nm (measured value)\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003e98% transmission rate (measured value)\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eClass UHS\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003e2.5mm thickness\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eIdeal for RASAs and HyperStars\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eFully blocks up to 1200nm as illustrated in the plot\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eEach filter is individually inspected and measured for quality\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eComes with the actual measured plot with the unique product code\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eMade in Japan\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eIDAS is a trademark of ICAS Enterprise, Japan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Idas Filters","offers":[{"title":"Default Title","offer_id":44013798621295,"sku":"HA68UHS25-M52","price":420.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/52UHS25__52001.jpg?v=1766563079"},{"product_id":"idas-ha-48mm-filter-high-speed","title":"IDAS HA 48mm filter High Speed","description":"\u003cp\u003eThe IDAS Hydrogen-Alpha family of filters allows astrophotographers to select an Hα filter optimally tailored to their equipment.\u003c\/p\u003e\n\u003cp\u003eFeatures include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e6.8 nm bandpass (measured value 6.5 +\/- 0.1 nm)\u003c\/li\u003e\n\u003cli\u003e98% transmission (measured value)\u003c\/li\u003e\n\u003cli\u003eIR blocking out to 1200 nm\u003c\/li\u003e\n\u003cli\u003e2.5mm and 3.0mm filter thickness options\u003c\/li\u003e\n\u003cli\u003eConfigurations:\n\u003cul\u003e\n\u003cli\u003e50.8mm for filter wheels (QHY\/ZWO\/Atik)\u003c\/li\u003e\n\u003cli\u003e48mm and 52mm mounted\u003c\/li\u003e\n\u003cli\u003eCamera body drop-in (DI)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eEach filter is individually measured and inspected for quality\u003c\/li\u003e\n\u003cli\u003e3 classes* available: STD, HS, UHS\u003c\/li\u003e\n\u003cli\u003eMade in Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe IDAS Ha-6.8 family includes 3 options - STD (Standard), HS (High Speed) and UHS (Ultra High Speed) with bandpasses adjusted to accommodate the f-ratio of different speed astrographs. In addition each class comes in two different glass thicknesses - 2.5 mm \u0026amp; 3.0 mm.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTD\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e- recommended for most regular scopes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e- ideal for the optics between F2.0 and F3.5 such as Takahashi Epsilon Series, RASA11, and standard camera lenses\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUHS\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e- highly optimized for the optics for F2.2 or faster such as RASA8 and HyperStar Series\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Idas Filters","offers":[{"title":"Default Title","offer_id":44014054539375,"sku":"HA68HS25-M48","price":420.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/HA6825-48HS__95006.jpg?v=1766569135"},{"product_id":"idas-ha-48mm-filter-ultra-high-speed","title":"IDAS HA 48mm filter Ultra High Speed","description":"\u003cp style=\"box-sizing: border-box; margin: 0px 0px 1.41575em; font-family: \" source sans pro helveticaneue-light neue light helvetica arial grande sans-serif rgb background-color:=\"\"\u003eUHS(Ultra High Speed) version, which is ideal for RASAs and HyperStars\u003c\/p\u003e\u003cul style=\"box-sizing: border-box; margin: 0px 0px 1.41575em 3em; padding: 0px; list-style-position: initial; list-style-image: initial; font-family: \" source sans pro helveticaneue-light neue light helvetica arial grande sans-serif rgb background-color:=\"\"\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eHa 6.5 +\/- 0.1nm (measured value)\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003e98% transmission rate (measured value)\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eClass UHS\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003e2.5mm thickness\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eIdeal for RASAs and HyperStars\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eFully blocks up to 1200nm as illustrated in the plot\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eEach filter is individually inspected and measured for quality\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eComes with the actual measured plot with the unique product code\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eMade in Japan\u003c\/li\u003e\n\u003cli style=\"box-sizing: border-box;\"\u003eIDAS is a trademark of ICAS Enterprise, Japan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Idas Filters","offers":[{"title":"Default Title","offer_id":44014054703215,"sku":"HA68UHS25-M48","price":420.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/HA6825-48UHS__79542.jpg?v=1766569142"},{"product_id":"idas-ha-6-8nm-filter-class-std-2-5mm","title":"IDAS Ha 6.8nm Filter Class STD (2.5mm)","description":"\u003cp\u003eClass STD(Standard), which is suitable for most of telescopes\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHa 6.5 +\/- 0.1nm (measured value)\u003c\/li\u003e\n\u003cli\u003e98% transmission rate (measured value)\u003c\/li\u003e\n\u003cli\u003eClass STD\u003c\/li\u003e\n\u003cli\u003e2.5mm thickness\u003c\/li\u003e\n\u003cli\u003eOptimized from F3.5 to any\u003c\/li\u003e\n\u003cli\u003eFully blocks up to 1200nm as illustrated in the plot\u003c\/li\u003e\n\u003cli\u003eEach filter is individually inspected and measured for quality\u003c\/li\u003e\n\u003cli\u003eComes with the actual measured plot with the unique product code\u003c\/li\u003e\n\u003cli\u003eMade in Japan\u003c\/li\u003e\n\u003cli\u003eIDAS is a trademark of ICAS Enterprise, Japan\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Idas Filters","offers":[{"title":"Default Title","offer_id":44014054801519,"sku":"HA6825-M48","price":420.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/HA6825-48STD__63612.jpg?v=1766569148"}],"url":"https:\/\/ontariotelescope.com\/collections\/idas-narrowband.oembed","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}