{"id":92543,"date":"2026-01-06T10:08:44","date_gmt":"2026-01-06T09:08:44","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=92543"},"modified":"2026-07-19T22:18:37","modified_gmt":"2026-07-19T20:18:37","slug":"omegon-pro-h-alpha-filter-7nm-1-25-inches","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/omegon-pro-h-alpha-filter-7nm-1-25-inch\/","title":{"rendered":"Omegon Pro H-Alpha Filter 7nm 1.25 inch"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>Omegon Pro H-Alpha Filter 7nm 1,25 inch: waterstofnevels fotograferen vanuit de stad<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Met een doorlaat van slechts 7 nanometer legt dit filter waterstofnevels vast met hoog contrast, ook onder een lichtvervuilde hemel. Juist H-alpha is de golflengte waarmee stadsastrofotografie realistisch wordt.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Filters-pro-H-Alpha-7-nm-filter-1-25-1.jpg\" alt=\"Omegon Pro H-Alpha 7nm filter 1,25 inch\" title=\"\"><\/figure><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Filters-pro-H-Alpha-7-nm-filter-1-25.jpg\" alt=\"Omegon Pro H-Alpha 7nm filter 1,25 inch\" title=\"\"><\/figure><\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8d39b2df wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:38%\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Filters-pro-H-Alpha-7-nm-filter-1-25.jpg\" alt=\"Omegon Pro H-Alpha 7nm filter 1,25 inch\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:62%\">\n<h4 class=\"wp-block-heading\">Alleen het rode nevellicht<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Het filter laat uitsluitend het H-alpha-licht door en blokkeert vrijwel alle andere golflengten. Kunstlicht van natrium- en kwikdamplampen wordt effectief onderdrukt, waardoor de achtergrond in je opname donker blijft.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8d39b2df wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:38%\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Filters-pro-H-Alpha-7-nm-filter-1-25.jpg\" alt=\"Omegon Pro H-Alpha 7nm filter 1,25 inch\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:62%\">\n<h4 class=\"wp-block-heading\">7 nm tegenover 12 nm<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Vergeleken met een filter van 12 nanometer levert deze smallere doorlaat zichtbaar meer contrast en fijnere structuur in nevels. Minder achtergrondlicht betekent dat je langer kunt belichten voordat de achtergrond dichtloopt.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8d39b2df wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:38%\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Filters-pro-H-Alpha-7-nm-filter-1-25.jpg\" alt=\"Omegon Pro H-Alpha 7nm filter 1,25 inch\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:62%\">\n<h4 class=\"wp-block-heading\">Onderdeel van een set<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">In het klassieke Hubble-palet vormt H-alpha samen met OIII en SII de drie kanalen waaruit je een kleurbeeld opbouwt. Alle drie zijn in dezelfde 7 nm uitvoering leverbaar.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Featured accessories<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Combineer met de Pro OIII 7nm en Pro SII 7nm voor een volledige smalbandset. Een 1,25 inch filterwiel laat je tussen de kanalen wisselen zonder de setup aan te raken.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">For whom yes and for whom no<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>\u2713 Astrofotografen met een monochrome camera<\/li><li>\u2713 Wie vanuit stedelijk gebied fotografeert<\/li><li>\u2713 Bezitters van kleurcamera's met smalbandgevoeligheid<\/li><li>\u2717 Visuele waarnemers: H-alpha levert voor het oog weinig op<\/li><li>\u2717 Beginners in de astrofotografie: begin breedband<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Specifications<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Type<\/strong><\/td><td>H-alpha narrowband filter<\/td><\/tr><tr><td><strong>Mount<\/strong><\/td><td>1.25 inches<\/td><\/tr><tr><td><strong>Bandwidth<\/strong><\/td><td>7 nm<\/td><\/tr><tr><td><strong>Wavelength<\/strong><\/td><td>Around 656.3 nm<\/td><\/tr><tr><td><strong>Material mount<\/strong><\/td><td>Aluminum<\/td><\/tr><tr><td><strong>Observation goals<\/strong><\/td><td>Narrow-band astrophotography<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">You can find more accessories for this merk at the <a href=\"\/en\/brands\/omegon\/\">Omegon merk Page<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>H-alpha smalbandfilter met 7 nm doorlaat voor astrofotografie van waterstofnevels. Levert hoog contrast, ook vanuit stedelijk gebied met veel lichtvervuiling.<\/p>","protected":false},"featured_media":98905,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[126],"product_cat":[3138,469,588,56],"product_tag":[],"class_list":["post-92543","product","type-product","status-publish","has-post-thumbnail","product_brand-omegon","product_cat-imaging-filters-smalband-en-lrgb","product_cat-astro-fotografie","product_cat-filters","product_cat-telescoop-accessoires","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":92614,"url":"https:\/\/www.telescoop.nl\/en\/omegon-h-alpha-pro-veil-filter-7nm-2-inch-narrowband\/","url_meta":{"origin":92543,"position":0},"title":"Omegon Pro Veil H-Alpha Filter 7nm 2 inch","author":"","date":"06-01-2026","format":false,"excerpt":"H-alpha smalbandfilter uit de Pro Veil serie met 7 nm doorlaat. 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