{"id":90696,"date":"2025-11-30T17:03:46","date_gmt":"2025-11-30T16:03:46","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=90696"},"modified":"2026-07-20T00:20:38","modified_gmt":"2026-07-19T22:20:38","slug":"sky-watcher-2-inch-o-iii-filter","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/sky-watcher-2-inch-o-iii-filter\/","title":{"rendered":"Sky-Watcher 2\" O-III Filter"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>Sky-Watcher 2 inch O-III Filter: de Sluiernevel in breedbeeld<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Dit O-III lijnfilter laat uitsluitend de twee zuurstoflijnen op 496 en 501 nm door, het licht waarin planetaire nevels en supernovaresten stralen. De rest wordt geblokkeerd, waardoor zwakke structuren tegen een diepzwarte achtergrond verschijnen.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/Skywatcher-Filters-OIII-2-1.jpg\" alt=\"Skywatcher OIII 2-inch O-III line filter in black aluminum mount with purple glass, side view.\" title=\"\"><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/Skywatcher-Filters-OIII-2-.jpg\" alt=\"Skywatcher OIII transmission curve graph with narrow pass at 496 and 501 nm and background light suppressed.\" title=\"\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Juist in combinatie met een 2 inch widefield-oculair op een grote Dobson komt O-III tot zijn recht: de complete Sluiernevel in een beeld is een klassieker. Aanbevolen vanaf circa 150 tot 200 mm opening.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Features<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>Lijnfilter: alleen 496 en 501 nm doorlaat<\/li>\n\n\n<li>Ideaal met 2 inch widefield-oculairs op grote openingen<\/li>\n\n\n<li>Meervoudig gecoat, aluminium vatting<\/li>\n\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Compatibility<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Schroeft in de filterdraad van 2 inch oculairs en accessoires. Visueel en fotografisch inzetbaar.<\/p>\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>O-III lijnfilter<\/td><\/tr><tr><td><strong>Mount<\/strong><\/td><td>2 inches<\/td><\/tr><tr><td><strong>Steeping material<\/strong><\/td><td>Aluminum<\/td><\/tr><tr><td><strong>Use<\/strong><\/td><td>Visual and photographic<\/td><\/tr><tr><td><strong>Centrale golflengten<\/strong><\/td><td>496 en 501 nm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The disassembly of <a href=\"https:\/\/www.telescoop.nl\/en\/brands\/sky-watcher\/\">Sky-Watcher<\/a> is a base that will last you for years. Unsure which mount is best for your telescope and your goals? Contact us, we'd be happy to help you decide.<\/p>","protected":false},"excerpt":{"rendered":"<p>O-III lijnfilter in 2 inch: alleen de zuurstoflijnen op 496 en 501 nm, voor maximaal nevelcontrast in widefield-oculairs en het 2 inch lichtpad.<\/p>","protected":false},"featured_media":98142,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[542],"product_cat":[3138,469,588,56],"product_tag":[],"class_list":["post-90696","product","type-product","status-publish","has-post-thumbnail","product_brand-sky-watcher","product_cat-imaging-filters-smalband-en-lrgb","product_cat-astro-fotografie","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":90693,"url":"https:\/\/www.telescoop.nl\/en\/skywatcher-oiii-1-filters-25\/","url_meta":{"origin":90696,"position":0},"title":"Sky-Watcher 1.25 inch O-III Filter","author":"","date":"30-11-2025","format":false,"excerpt":"O-III lijnfilter in 1,25 inch: laat alleen de zuurstoflijnen op 496 en 501 nm door, voor maximaal contrast op planetaire nevels en supernovaresten zoals de Sluiernevel.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/Skywatcher-OIII-1-Filters-25-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":32336,"url":"https:\/\/www.telescoop.nl\/en\/televue-bandmate-type-2-oiii-125-lijnfilter\/","url_meta":{"origin":90696,"position":1},"title":"TeleVue Bandmate Type 2 OIII 1.25\" - Line Filter","author":"Abdullah Ibrar","date":"02-11-2025","format":false,"excerpt":"Bandmate Type 2 1.25-inch OIII filter for maximum contrast on planetary nebulae.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"TeleVue Filters Filter OIII Bandmate Type 2 1,25\" zwart 1,25 inch OIII-filter met groene glaslaag en TeleVue Bandmate Type 2 opdruk op witte achtergrond","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/TeleVue-Filters-Filter-OIII-Bandmate-Type-2-1-25-2.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/TeleVue-Filters-Filter-OIII-Bandmate-Type-2-1-25-2.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/TeleVue-Filters-Filter-OIII-Bandmate-Type-2-1-25-2.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/TeleVue-Filters-Filter-OIII-Bandmate-Type-2-1-25-2.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":32642,"url":"https:\/\/www.telescoop.nl\/en\/ioptron-oiii-1-25-inch-filters\/","url_meta":{"origin":90696,"position":2},"title":"iOptron OIII 1.25\" Filters","author":"","date":"06-11-2025","format":false,"excerpt":"iOptron OIII lijnfilter 1,25\" met 7 nm halfwaardebreedte rond 496 en 501 nm, in aluminium vatting, voor nevelfotografie met monochrome camera's.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":107502,"url":"https:\/\/www.telescoop.nl\/en\/televue-bandmate-type-2-oiii-2-lijnfilter\/","url_meta":{"origin":90696,"position":3},"title":"TeleVue Bandmate Type 2 OIII 2\" - Line Filter","author":"Abdullah Ibrar","date":"28-04-2026","format":false,"excerpt":"Bandmate Type 2 OIII-filter van 2 inch voor grote velden vol nevelcontrast.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"TeleVue Filters Filter OIII Bandmate Type 2 2\" zwart 2 inch OIII-filter met groen gecoat glas en Bandmate Type 2 opdruk op witte achtergrond","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-Filters-Filter-OIII-Bandmate-Type-2-2-2.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-Filters-Filter-OIII-Bandmate-Type-2-2-2.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-Filters-Filter-OIII-Bandmate-Type-2-2-2.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-Filters-Filter-OIII-Bandmate-Type-2-2-2.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":25077,"url":"https:\/\/www.telescoop.nl\/en\/omegon-oiii-nevelfilter-2-inch\/","url_meta":{"origin":90696,"position":4},"title":"Omegon OIII nebula filter 2 inch","author":"","date":"07-08-2025","format":false,"excerpt":"OIII narrowband filter in a 2-inch mount for wide-field eyepieces. Makes the background very dark and shows structure in extended nebulae and supernova remnants.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon OIII Nevel\u00adfilter 2 inch","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-OIII-filter-2-.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-OIII-filter-2-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-OIII-filter-2-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-OIII-filter-2-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-OIII-filter-2-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-OIII-filter-2-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":25065,"url":"https:\/\/www.telescoop.nl\/en\/omegon-oiii-nevelfilter-125\/","url_meta":{"origin":90696,"position":5},"title":"Omegon OIII Nebula Filter 1.25 inch","author":"","date":"07-08-2025","format":false,"excerpt":"OIII narrowband filter that only lets through the light of doubly ionized oxygen. Shows filaments in planetary nebulae and supernova remnants from about 150 mm aperture.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon OIII Nevel\u00adfilter 1,25\"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-OIII-filter-1-25-.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-OIII-filter-1-25-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-OIII-filter-1-25-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-OIII-filter-1-25-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-OIII-filter-1-25-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-OIII-filter-1-25-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/90696","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/comments?post=90696"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/98142"}],"wp:attachment":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=90696"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=90696"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=90696"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=90696"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}