{"id":1333,"date":"2012-12-07T00:00:00","date_gmt":"2012-12-07T00:00:00","guid":{"rendered":"https:\/\/www.ganymedes.nl\/product\/baader-lrgb-ccd-filter-set-50-8mm-rond-rgb-met-uv-ir-cut-l-filter\/"},"modified":"2022-10-15T12:43:28","modified_gmt":"2022-10-15T10:43:28","slug":"baader-l-rgb-ccd-filterset-50-4-mm","status":"publish","type":"product","link":"https:\/\/dev4-ganymedes.nl\/en\/product\/baader-l-rgb-ccd-filterset-50-4-mm\/","title":{"rendered":"Baader L-RGB CCD-Filterset 50.4 mm"},"content":{"rendered":"<p>Baader L-RGB CCD-Filterset 50.4 mm<\/p>\n<h4>Mechanical Properties<\/h4>\n<ul>\n<li>Parfocal and plane polished substrates. Each individual filter is optically fine-polished to 1\/4 wave.<\/li>\n<li>Baader L-RGB filters are hard coated individually.<\/li>\n<li>Baader filters especially are not cut out of large size plate-glass, which is a typical manufacturing process for economy filters (cut-out filters exhibit micro-cracks around all edges. Capillary action between glass and coating layers will lead to premature ageing due to moisture deposition).<\/li>\n<li>All Baader filters have individual coating sealed edges, impermeable against ageing because the the penetration of moisture impossible.<\/li>\n<li>Baader filters are being tested repeatedly to comply with MIL-specifications. One common process is to\u00a0boil the test specimen\u00a0for one hour in salt water. Baader filters remained completely intact as opposed to\u00a0filters drilled out of large glass plates.<\/li>\n<li>All Baader filters sport scratch resistant hard coatings which can be cleaned repeatedly throughout their entire lifetime. As many times as needed &#8211; preferably with Baader Optical Wonder cleaning fluid.<\/li>\n<\/ul>\n<h4>Optische eigenschappen van de Baader L-RGB CCD-Filterset 50.4 mm zijn:<\/h4>\n<ul>\n<li>No reflections when compared to competing\u00a0RGB-filter recipes.<\/li>\n<li>Balanced RGB-design offer 1:1:1 exposure times for most telescope optical systems &#8211;\u00a0an important benefit when imaging in automated mode.<\/li>\n<li>Maximized\u00a0colour contrast for each of the three RGB channels &#8211; achieved through\u00a0steep slopes at all transmission curves combined with science approved placement of spectral\u00a0window.<\/li>\n<li>O III emission line\u00a0double-weighted in the B and G channel as well, with maximum peak transmission for unparalleled\u00a0deep sky S\/N\u00a0yield<\/li>\n<li>R-Filter provides\u00a0maximum transmission of\u00a0H-alpha and S II emission but at the same time completely blocks all NIR and IR from\u00a0680 out to 1200 nm<\/li>\n<li>Blocking of Mercury and Sodium vapour lamps at 580 nm in the G and R filters blackens\u00a0the sky background and maximizes\u00a0colour balance and colour separation.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Baader L-RGB CCD-Filterset 50.4 mm Mechanical Properties Parfocal and plane polished substrates. Each individual filter is optically fine-polished to 1\/4 [&hellip;]<\/p>\n","protected":false},"featured_media":15924,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_vp_format_video_url":"","_vp_image_focal_point":[],"_vp_custom_popup_image":0,"_vp_format_audio_url":"","_vp_custom_thumbnail":0,"_vp_custom_thumbnail_focal_point":[],"_vp_hover_thumbnail":0,"_vp_hover_thumbnail_focal_point":[]},"product_brand":[],"product_cat":[267,350,274,342],"product_tag":[],"class_list":{"0":"post-1333","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-astrophotography-en","7":"product_cat-brands-baader-en","8":"product_cat-astrophotography-filters-en","9":"product_cat-brands-en","11":"first","12":"onbackorder","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Baader L-RGB CCD-Filterset 50.4 mm - Ganymedes<\/title>\n<meta name=\"description\" content=\"Al meer dan 40 jaar het vertrouwde verkooppunt van Nederland in sterrenkijkers telescopen, verrekijkers en microscopen. 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