{"title":"IDAS Dual-Band Filters","description":"\u003cp\u003eIDAS filters are made in Japan, and the Nebula Booster line is designed for colour cameras imaging emission nebulae. The NB1 is a tri-colour filter, and the NBX is offered here in 48mm for larger sensors and camera lenses. Part of \u003ca href=\"\/collections\/dual-band\"\u003eDual-Band \u0026amp; Multi-Band Filters\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"idas-nebula-booster-nb1-tri-colour-filter","title":"IDAS Nebula Booster NB1 Tri-colour Filter","description":"\u003cdiv\u003e\n\u003cp style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003eIDAS NB Filters are designed to enhance the contrast of emission nebula, yet accommodate the filter spectral shift\u003csup\u003e*\u003c\/sup\u003ewhen used with modern fast optical systems.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003eFeatures include:\u003c\/p\u003e\n\u003cul style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003e\n\u003cli\u003eIdeal flat-top and moderate bandpass\u003c\/li\u003e\n\u003cli\u003eExcellent in-band transmission\u003c\/li\u003e\n\u003cli\u003eExtremely steep bandpass edges minimize internal reflections\u003c\/li\u003e\n\u003cli\u003eNear IR (NIR) is blocked up to 1100nm\u003c\/li\u003e\n\u003cli\u003eAvailable in 52mm and 48mm sizes\u003c\/li\u003e\n\u003cli\u003e2.5mm thickness (parfocal with other IDAS LPS filters)\u003c\/li\u003e\n\u003cli\u003eIDAS-proprietary \u003ca href=\"https:\/\/www.sciencecenter.net\/hutech\/idas\/idastech.htm\"\u003eIGAD\/MBT\/UFP\u003c\/a\u003equality\u003c\/li\u003e\n\u003cli\u003eMade in Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cspan style=\"font-family: Arial, Helvetica, sans-serif; font-size: 10pt;\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\n\u003c\/div\u003e\u003cdiv\u003e\n\u003csup style=\"font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255);\"\u003e*\u003c\/sup\u003e\u003cspan style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003e All interference filters are subject to a bandpass spectral shift which depends on the angle of incidence of the incoming light. IDAS NB filters are designed to accommodate the spectral shift of modern fast optical systems.\u003c\/span\u003e\u003cp style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003eWhen placed in front of an optical system, the spectral shift is determined by the focal length of the optics and the size of the imaging sensor. For an APS-C sensor, up to a 50mm focal length can be accommodated. For a full-frame sized sensor, up to an 80mm focal length can be used.\u003c\/p\u003e\n\u003cp style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003eFor filters placed between the optical system and imaging sensor, the situation is more complex. IDAS NB filters are designed with modern fast optics in mind and can accommodate an angle of incidence of up to 14°.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Idas Filters","offers":[{"title":"Default Title","offer_id":44013466878063,"sku":"NB1-48","price":329.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/IDAS_252520_252520_252520Nebula_252520Booster_252520_252520_252520NB1_252520_25252048mm_252520_252520_252520IGAD_252520_252520_252520Japan_252520v4__86067.1682635219.1280.1280.png?v=1766553916"},{"product_id":"idas-nbx-nebula-boost-filter-48mm","title":"IDAS NBX Nebula Boost Filter - 48mm","description":"\u003cspan style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003eIDAS NBX Filters are designed to enhance the contrast of Ha and OIII emission nebula, yet accommodate the filter spectral shift when used with modern fast optical systems. This dual-band filter is ideal for one-shot color cameras as well as mono-color astronomical cameras.\u003c\/span\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cspan style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/div\u003e\u003cdiv\u003e\n\u003cp style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003eFeatures include:\u003c\/p\u003e\n\u003cul style=\"font-family: Arial, Helvetica, sans-serif; font-size: small; background-color: rgb(255, 255, 255);\"\u003e\n\u003cli\u003eIdeal flat-top bandpass\u003c\/li\u003e\n\u003cli\u003eExcellent in-band transmission\u003c\/li\u003e\n\u003cli\u003eOff-center bandpass accommodates off-axis rays for fast optics (up to F2)\u003c\/li\u003e\n\u003cli\u003eSteep bandpass edges minimize internal reflections\u003c\/li\u003e\n\u003cli\u003eNo IR blocker required\u003c\/li\u003e\n\u003cli\u003eAvailable in 52mm and 48mm sizes\u003c\/li\u003e\n\u003cli\u003e2.5mm thickness (parfocal with other IDAS LPS filters)\u003c\/li\u003e\n\u003cli\u003eIDAS-proprietary \u003ca href=\"https:\/\/www.sciencecenter.net\/hutech\/idas\/idastech.htm\"\u003eIGAD\/MBT\/UFP\u003c\/a\u003e quality\u003c\/li\u003e\n\u003cli\u003eMade in Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Idas Filters","offers":[{"title":"Default Title","offer_id":44013617447023,"sku":"NBX-48","price":399.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/nbx48b_1024x1024__47505.jpg?v=1766557758"}],"url":"https:\/\/ontariotelescope.com\/collections\/dual-band-idas.oembed","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}