{"product_id":"idas-gnb-galaxy-nebula-booster-narrowband-imaging-filter-125-mounted-m286","title":"IDAS GNB Galaxy \u0026 Nebula Booster Narrowband Imaging Filter 1.25\" Mounted (M28.6)","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan size=\"4\" color=\"#000000\" style=\"color: #000000; font-size: large;\" data-mce-fragment=\"1\"\u003eA new generation - the world-first - \u003c\/span\u003e\u003cspan size=\"4\" style=\"font-size: large;\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"style82\" data-mce-fragment=\"1\"\u003egalaxy \u003c\/span\u003e\u003c\/span\u003e\u003cspan size=\"4\" color=\"#000000\" style=\"color: #000000; font-size: large;\" data-mce-fragment=\"1\"\u003eand \u003c\/span\u003e\u003cspan size=\"4\" style=\"font-size: large;\" data-mce-fragment=\"1\"\u003e\u003cspan class=\"style82\" data-mce-fragment=\"1\"\u003enebula\u003c\/span\u003e\u003c\/span\u003e\u003cspan size=\"4\" color=\"#000000\" style=\"color: #000000; font-size: large;\" data-mce-fragment=\"1\"\u003e booster filter intended for shooting not only nebulae, but also galaxies by the use of the transmittance around the near infrared region.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cspan size=\"4\" color=\"#000000\" style=\"color: #000000; font-size: large;\" data-mce-fragment=\"1\"\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cspan class=\"style88\" data-mce-fragment=\"1\"\u003eThe IDAS GNB filter passes through the Ha and OIII regions in the same manner as of the IDAS NBZ to suppress light pollutions in the visible light regions. Unlike any other filters available in the market, the GNB at the same time passes through the near infrared region intended for shooting galaxies that cannot be shot with any comventional nebula filters. \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe idea of designing this filter is based on the fact that the near infrared region can be hardly affected by artifical light pollution sources. \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNotes: \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWe recommend the use with a NIR-enhanced sensor such as IMX585 and IMX464 especially where the GNB is used in a heavly light-polluted location. \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe GNB filter will enhance the colorfulness of galaxies when used with a conventional sensor (such as IMX294). \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan class=\"style3\" data-mce-fragment=\"1\"\u003en.b. on halos:\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOptical filters such as IDAS GNB and DTD utilizing infrared tend to cause haloing in the NUV and NIR regions. This is because the anti-reflection properties of off-the-shelf cameras' optical systems (oiptical window and sensor cover glass) are optimized for the visible spectrum only, not for the NIR region. Thus, haoling at the camera end in the unoptimized region becomes more apparent, coupled with haloing from the filter itself. \u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eHere is a rough estimation of the magnitude of haoling where the haloing maginute of NBZ (NBZex) is counted as 1:\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eGNB + IMX294 sensor results in 8.0 times\u003c\/span\u003e\u003cbr data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eGNB + IMX585 sensor results in 6.3 times \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"IDAS","offers":[{"title":"Default Title","offer_id":48521055142106,"sku":"jlf1787928514398","price":105.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/1782\/8058\/files\/idas-gnb-galaxy-nebula-booster-narrowband-imaging-filter-125-mounted-m286_1.png?v=1787928523","url":"https:\/\/www.kindredcorner.shop\/products\/idas-gnb-galaxy-nebula-booster-narrowband-imaging-filter-125-mounted-m286","provider":"My Store","version":"1.0","type":"link"}