{"id":25224,"date":"2025-08-07T16:57:34","date_gmt":"2025-08-07T14:57:34","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=25224"},"modified":"2026-07-19T22:18:35","modified_gmt":"2026-07-19T20:18:35","slug":"omegon-pro-oiii-7nm-filter-125","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/omegon-pro-oiii-7nm-filter-125\/","title":{"rendered":"Omegon Pro OIII 7nm Filter 1.25 inch"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>Omegon Pro OIII 7nm Filter 1,25 inch: 7 nm doorlaat voor maximaal nevelcontrast<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dit smalbandfilter laat uitsluitend het licht van dubbel ge\u00efoniseerd zuurstof door, met een bandbreedte van slechts 7 nanometer. Die scherpe afsnijding verwijdert vrijwel alle ongewenste golflengten: lichtvervuiling, maanlicht en breedbandig sterlicht.<\/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\/2025\/08\/Omegon-Filters-Pro-SII-7nm-filter-1-25-inch.jpg\" alt=\"Omegon Pro OIII 7nm filter 1,25 inch\" title=\"\"><\/figure><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Pro-SII-7nm-filter-1-25-inch-1.jpg\" alt=\"Omegon Pro OIII 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\/2025\/08\/Omegon-Filters-Pro-SII-7nm-filter-1-25-inch-1.jpg\" alt=\"Omegon Pro OIII 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\">Fijner detail dan een standaard OIII<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Waar een gewoon OIII-filter een bredere band doorlaat, snijdt deze 7 nm uitvoering strakker. Filamenten, randen en structuren in objecten zoals de Sluiernevel, de Helixnevel en de Ringnevel worden daardoor met meer contrast weergegeven.<\/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\/2025\/08\/Omegon-Filters-Pro-SII-7nm-filter-1-25-inch-1.jpg\" alt=\"Omegon Pro OIII 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\">Visual and photographic<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Het filter is geschikt voor deep-sky waarnemers die onder een matig tot sterk vervuilde hemel werken, en voor astrofotografen die smalbandopnamen maken met een monochrome camera. In het SHO-palet vormt OIII samen met H-alpha en SII de basis.<\/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\/2025\/08\/Omegon-Filters-Pro-SII-7nm-filter-1-25-inch-1.jpg\" alt=\"Omegon Pro OIII 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\">Belichting en opening<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Hoe smaller de doorlaat, hoe minder licht er doorkomt. Reken voor visueel gebruik op een ruime opening en voor fotografie op langere belichtingstijden dan met een breedbandfilter.<\/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 H-alpha 7nm en Pro SII 7nm voor een complete smalbandset in het Hubble-palet. Een filterwiel maakt het wisselen tussen die drie eenvoudig.<\/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 Waarnemers onder sterke lichtvervuiling<\/li><li>\u2713 Wie al een standaard OIII heeft en verder wil<\/li><li>\u2717 Beginners: start with a UHC or CLS<\/li><li>Small telescopes for visual use<\/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>OIII 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>Observation goals<\/strong><\/td><td>Visueel en smalbandfotografie<\/td><\/tr><tr><td><strong>Combineert met<\/strong><\/td><td>H-alpha en SII voor het Hubble-palet<\/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>OIII-smalbandfilter met 7 nm doorlaat voor maximaal contrast op emissienevels. Voor gevorderde waarnemers en smalbandfotografie met een monochrome camera.<\/p>","protected":false},"featured_media":25211,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[126],"product_cat":[3138,587,3137,588,56],"product_tag":[],"class_list":["post-25224","product","type-product","status-publish","has-post-thumbnail","product_brand-omegon","product_cat-imaging-filters-smalband-en-lrgb","product_cat-camera-accessoires","product_cat-deep-sky-filters","product_cat-filters","product_cat-telescoop-accessoires","product_shipping_class-licht","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":25236,"url":"https:\/\/www.telescoop.nl\/en\/omegon-pro-sii-7nm-filter-125\/","url_meta":{"origin":25224,"position":0},"title":"Omegon Pro SII 7nm Filter 1.25 inch","author":"","date":"07-08-2025","format":false,"excerpt":"SII-smalbandfilter met 7 nm doorlaat voor astrofotografie in het zwavelkanaal. 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Suppresses light pollution and skyglow, and separates oxygen nebulae from the background.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Filters-Pro-Veil-OIII-7nm-2-2.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":92614,"url":"https:\/\/www.telescoop.nl\/en\/omegon-h-alpha-pro-veil-filter-7nm-2-inch-narrowband\/","url_meta":{"origin":25224,"position":3},"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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