{"product_id":"askar-colourmagic-ultra-2-duo-band-e1-e2-filter-package-cm-duo-e-pkg","title":"Askar ColourMagic Ultra 2\" Duo-Band E1 \u0026 E2 Filter Package - CM-DUO-E-PKG","description":"\u003cdiv class=\"ie_fimg\" id=\"ie_fimg-1669644284216\"\u003e\n\u003cdiv\u003e\u003cimg src=\"https:\/\/omo-oss-image.thefastimg.com\/portal-saas\/pg2024111409483993253\/cms\/image\/57fb42dd-9a54-49fe-a009-48c31ad83bc9.jpg\" alt=\"长友气体\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"reset_style\" id=\"ie_text-1669644284466\"\u003e\n\u003cdiv\u003e\n\u003cp\u003e\u003cspan\u003eThe Askar ColourMagic Ultra E Filter, as its name suggests, boasts \"Ultra\" halo control capabilities.   \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith the ColourMagic Ultra E Filters, you can capture high-quality deep-sky images even in areas affected by urban light pollution, atmospheric airglow, or other light sources. The narrower bandwidth of both filters (one at 3nm \u0026amp; the other outside of 3nm) and high transmission significantly enhances image contrast, making it easier to reveal subtle details of celestial objects that are typically difficult to capture.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eIn this package, you will receive both the 2\" Hα+OIII Ultra duo-narrowband filter as well as the 2\" Ultra Duo SII+OIII filter.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Hα+OIII filter is referred to as E1 and the SII+OII filter as E2. Together, they form the ColourMagic Ultra E Filter Set, offering color camera users a novel way to achieve results similar to those taken with monochrome cameras and triple narrowband filters— without the need for additional equipment. This opens up new possibilities for astrophotographers to enjoy even more astronomical wonders.  \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith exceptional halo control and innovative imaging solutions, the ColourMagic Ultra E Filter helps you explore the deeper beauty of the Universe.  \u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eColourMagic E1 Ultra Duo-Band Filter Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFWHM:  OIII = 4.0 +\/- 0.3nm, Ha = 3.7nm+\/- 0.3nm\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eCWL:  500.7nm \u0026amp; 656.6nm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePeak Transmittance:  85%\u003c\/p\u003e\n\u003cp\u003eFilter Thickness:  1.85 +\/- 0.05mm\u003c\/p\u003e\n\u003cp\u003eBarrier Property:  ≥OD5 @ 200-1000nm\u003c\/p\u003e\n\u003cp\u003eSurface Finish:  60\/40\u003c\/p\u003e\n\u003cp\u003eParallelism: 30\"\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eColourMagic E2 Ultra Duo-Band Filter Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFWHM:  SII = 4.0 +\/- 0.3nm, OIII = 3.7nm+\/- 0.3nm\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eCWL:  500.7nm \u0026amp; 672nm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003ePeak Transmittance:  85%\u003c\/p\u003e\n\u003cp\u003eFilter Thickness:  1.85 +\/- 0.05mm\u003c\/p\u003e\n\u003cp\u003eBarrier Property:  ≥OD5 @ 200-1000nm\u003c\/p\u003e\n\u003cp\u003eSurface Finish:  60\/40\u003c\/p\u003e\n\u003cp\u003eParallelism: 30\"\u003c\/p\u003e","brand":"Askar","offers":[{"title":"Default Title","offer_id":42305362559089,"sku":"ASK-CM-DUO-E-PKG","price":1077.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/E1_Package_d9d7b282-1acc-4e99-8b8b-ec2cb342802c.png?v=1776459063","url":"https:\/\/khanscope.com\/en-fr\/products\/askar-colourmagic-ultra-2-duo-band-e1-e2-filter-package-cm-duo-e-pkg","provider":"Khan Scope Centre","version":"1.0","type":"link"}