{"product_id":"optolong-l-pro-clip-filter-for-canon-5d-5d-mark-ii-iii-6d-ff-cameras","title":"Optolong L-Pro Clip Filter for Canon 5D\/5D Mark II\/III \u0026 6D FF Cameras","description":"\u003cmeta charset=\"UTF-8\"\u003e\n\u003cp\u003e\u003cspan\u003eThe Optolong L-Pro EOS FF Clip is a multi-bandpass filter which offers better color balance by maximizing the transmission band. The balanced transmission allows astrophotos to be taken with minimal color cast on broadband emission objects such as galaxies, reflection nebulae and globular star clusters. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003eOptolong EOS-FF DSLR Clip In Filter is compatible with the following cameras \u0026amp; lenses:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eCanon EOS 5D\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eCanon EOS 5D Mark II\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eCanon EOS 5D Mark III\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eCanon EOS 6D\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eAll EF Lenses\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Optolong L-Pro (L-Professional) Filter is designed to improve the visibility of various deep-sky objects by selectively reducing the transmission of light pollution wavelengths, specifically those produced by artificial means such as mercury vapor lamps, and both high \u0026amp; low pressure sodium vapor lights.  The Optolong L-Pro also reduces unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow).\u003c\/p\u003e\n\u003cp\u003eTogether with the highly transparent main nebula emission lines at OIII (496nm and 500nm), H-beta (486nm), NII (654nm and 658nm), H-alpha (656nm) as well as SII (672nm), the filter is suitable for enhancing the contrast and details for both visual and photographic purposes with your compatible Canon EOS camera in sub-rural areas with heavy light pollution.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMain Use and Performance\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Optolong L-Pro filter has a very low transmission reduction rate against continuous spectrum space objects, and thus is quite effective in suppressing light pollution sources when shooting galaxies, reflection nebulae and globular star clusters. The same holds true for visual star observations. \u003c\/p\u003e\n\u003cp\u003e\u003cu\u003eWARNING\u003c\/u\u003e: DO NOT LOOK AT THE SUN WITH AN OPTOLONG FILTER. You could be BLINDED if you fail to observe the warning.\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eTechnical Data\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOptical glass fine material\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSpectrum: 380-750nm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSurface Quality: 60\/40 (Refer to MIL-O-13830)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFine-optically polished to ensure accurate 1\/4 wavefront and \u0026lt; 30 seconds parallelism over the both surfaces\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh transmission at major nebula emission lines (i.e. H-alpha 656nm, OIII 496nm\u0026amp;500nm, SII 672nm and H-beta 486nm).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePrecision off-band blocking, specifically the major emission lines of artificial light pollution (i.e. Na 589nm, Hg 435nm and 578nm).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cimg alt=\"Optolong Canon EOS FF Clip Filter Compatibility and Installation\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/ClipEOSFFCompatibility.jpg?v=1688062917\" width=\"528\" height=\"396\"\u003e\u003c\/p\u003e","brand":"Optolong","offers":[{"title":"Default Title","offer_id":40214230270065,"sku":"OPTO-L-PRO-EOS-FF","price":253.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/L-Pro_Canon_FF_Clip_1.jpg?v=1776459233","url":"https:\/\/khanscope.com\/en-fr\/products\/optolong-l-pro-clip-filter-for-canon-5d-5d-mark-ii-iii-6d-ff-cameras","provider":"Khan Scope Centre","version":"1.0","type":"link"}