{"id":16246,"date":"2019-12-11T13:54:31","date_gmt":"2019-12-11T13:54:31","guid":{"rendered":"https:\/\/www.ganymedes.nl\/?post_type=product&#038;p=16246"},"modified":"2024-12-17T16:42:28","modified_gmt":"2024-12-17T15:42:28","slug":"zwo-36-mm-narrowband","status":"publish","type":"product","link":"https:\/\/dev4-ganymedes.nl\/en\/product\/zwo-36-mm-narrowband\/","title":{"rendered":"ZWO 36 mm Narrowband filter set OIII\/SII\/H-Alpha"},"content":{"rendered":"<p>ZWO 36 mm Narrowband filter set OIII\/SII\/H-Alpha<\/p>\n<p>Narrowband filter do not eliminate the effects of light pollution or increase the object\u2019s brightness. In many cases, they increase the contrast between nebula and night sky, not brightening the nebula.<\/p>\n<p>It can reduce the transmission of certain wavelengths of light, specifically those produced by artificial light including mercury vapor. And both high and low pressure sodium vapor lights and the unwanted natural light caused by neutral oxygen emission in our atmosphere (i.e. skyglow).<\/p>\n<p><em>From 2018, ZWO Made a progress on narrowband filters with new standard, provide better performance.<\/em><\/p>\n<p><strong>Technical Parameter:<\/strong><\/p>\n<ul>\n<li>Name: ZWO New narrowband\u00a0 36 mm filter<\/li>\n<li>Size: D=36 mm<\/li>\n<li>Thickness: 2 mm<\/li>\n<\/ul>\n<p>The ZWO\u00a0 H-Alpha filter \u00a0has a band pass of \u00a07 nm and passes light at 656 nm \u00a0wavelength, light transmission rate comes up to 80%. Best choice of narrowband H-alpha astro photography filter for high-contrast imaging and revealing rich details of the nebula even in areas with strong light pollution, just prepare to experience the infinite fun with it!<\/p>\n<p>The ZWO narrowband S-II 7 nm filter passes light at 672 nm wavelength with a bandpass of 7 nm which is designed for nebula observation . It is suitable for visual observation on most emission nebulae, planetary nebulae and supernova remnants, use it with H-alpha and OIII narrowband filters (SHO Set) for tricolor CCD astro photography.<\/p>\n<p>The ZWO narrowband O-III 7 nm filter is designed for nebula observation allowing 7 nm bandwidth of light centered on a wavelength of 500 nm through, \u00a0which corresponds to OIII emission lines, blocking out all other light. \u00a0Adding the ZWO O-III Narrowband filter to your imaging collection will help you go beyond the RGB imaging and will help capture your favorite nebulas in a totally new light, no matter how polluted your skies may be!<\/p>\n<h4><strong>Technical Data of the ZWO 36 mm Narrowband filter set OIII\/SII\/H-Alpha are:<\/strong><\/h4>\n<ul>\n<li>FWHM\uff1a7\u00b10.5 nm<\/li>\n<li>Glass Thickness 2.0+\/-0.03 mm\u00a0 (36 mm)<\/li>\n<li>Fine-optically polished to ensure accurate 1\/4 wavefront\u00a0 over the both surfaces<\/li>\n<li>About 90% transmission at H-alpha line 656 nm (H-Alpha filter )<\/li>\n<li>About 90% transmission at SII line 672 nm (SII filter )<\/li>\n<li>About 90% transmission at major OIII line 500 nm (OIII filter )<\/li>\n<li>Infrared wavelength 700-1100 nm cut-off<\/li>\n<li>&lt;0.1% transmission of off-band, OD3(Optical Density)<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-16247\" src=\"https:\/\/www.ganymedes.nl\/wp-content\/uploads\/2019\/12\/NB-filters-TP.jpg\" alt=\"\" width=\"561\" height=\"359\" srcset=\"https:\/\/dev4-ganymedes.nl\/wp-content\/uploads\/2019\/12\/NB-filters-TP.jpg 989w, https:\/\/dev4-ganymedes.nl\/wp-content\/uploads\/2019\/12\/NB-filters-TP-324x207.jpg 324w, https:\/\/dev4-ganymedes.nl\/wp-content\/uploads\/2019\/12\/NB-filters-TP-416x266.jpg 416w, https:\/\/dev4-ganymedes.nl\/wp-content\/uploads\/2019\/12\/NB-filters-TP-300x192.jpg 300w, https:\/\/dev4-ganymedes.nl\/wp-content\/uploads\/2019\/12\/NB-filters-TP-768x492.jpg 768w, https:\/\/dev4-ganymedes.nl\/wp-content\/uploads\/2019\/12\/NB-filters-TP-500x320.jpg 500w, https:\/\/dev4-ganymedes.nl\/wp-content\/uploads\/2019\/12\/NB-filters-TP-800x512.jpg 800w, https:\/\/dev4-ganymedes.nl\/wp-content\/uploads\/2019\/12\/NB-filters-TP-140x90.jpg 140w\" sizes=\"auto, (max-width: 561px) 100vw, 561px\" \/><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ZWO 36 mm Narrowband filter set OIII\/SII\/H-Alpha<\/p>\n","protected":false},"featured_media":16248,"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":[267,274,342,420],"product_tag":[],"class_list":{"0":"post-16246","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-astrophotography-en","7":"product_cat-astrophotography-filters-en","8":"product_cat-brands-en","9":"product_cat-brands-zwo-en","11":"first","12":"outofstock","13":"sale","14":"taxable","15":"shipping-taxable","16":"purchasable","17":"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>ZWO 36 mm Narrowband filter set OIII\/SII\/H-Alpha - Ganymedes<\/title>\n<meta name=\"description\" content=\"ZWO 36 mm Narrowband filter set OIII\/SII\/H-Alpha, voor filterwielen die 36 mm unmounted filters accepteren. 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