{"id":14825,"date":"2025-06-23T20:29:41","date_gmt":"2025-06-23T18:29:41","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=14825"},"modified":"2026-03-03T20:25:57","modified_gmt":"2026-03-03T19:25:57","slug":"zwo-filters-duo-band-2-inch","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/zwo-filters-duo-band-2-inch\/","title":{"rendered":"ZWO Filters Duo-Band 2 inch"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>ZWO Filters Duo-Band 2 inch improve your deep-sky photography in urban areas<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Do you use a color camera and want to photograph emission nebulae without making the switch to a mono camera and filter wheel? Then the ZWO Duo-Band 2\u2033 is a smart, instant upgrade. This filter combines H\u03b1 and OIII peaks in one filter, specially tuned for ZWO ASI color cameras such as the ASI294MC Pro, ASI2600MC Pro or the Seestar S50 (with adapter).<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The Duo-Band 2\u2033 filter is ideally suited for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Photography in light-polluted areas<\/li>\n\n\n\n<li>Nebulae and other deep-sky objects with a pronounced H\u03b1 or OIII signature<\/li>\n\n\n\n<li>Easy mounting without motorized filter wheel<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">With high transmission in both bands and excellent light blocking all around, you get a clearer image with more contrast even under moderate sky conditions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>What you can see \/ photograph with it<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u2713 Emission nebulae such as the Rosette Nebula, North American Nebula and Veil Nebula<br>\u2713 Planetary nebulae such as the Helix Nebula<br>\u2713 Supernova remnants (such as IC443)<br>\u2713 Deep-sky objects with strong OIII or H\u03b1 emission<br>\u2713 Better results under moderate or heavy light pollution<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Specifications<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>Value<\/th><\/tr><\/thead><tbody><tr><td><strong>Filter type<\/strong><\/td><td>Duo-band narrowband filter<\/td><\/tr><tr><td><strong>Format<\/strong><\/td><td>2 inches (50.8 mm)<\/td><\/tr><tr><td><strong>Housing<\/strong><\/td><td>Aluminum<\/td><\/tr><tr><td><strong>Light transmission OIII<\/strong><\/td><td>&gt;90% at 486-501 nm<\/td><\/tr><tr><td><strong>Light transmittance H\u03b1<\/strong><\/td><td>&gt;80% at 656.3 nm<\/td><\/tr><tr><td><strong>Bandwidth<\/strong><\/td><td>OIII: 35 nm, H\u03b1: 15 nm<\/td><\/tr><tr><td><strong>Observation goals<\/strong><\/td><td>Deep-sky photography with color camera<\/td><\/tr><tr><td><strong>Visual use<\/strong><\/td><td>Possible, but primarily photographic<\/td><\/tr><tr><td><strong>Compatibility<\/strong><\/td><td>All 2\u201d filter holders and ZWO color cameras (MC)<\/td><\/tr><tr><td><strong>Design<\/strong><\/td><td>UHC-type Duo-band design<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p data-start=\"321\" data-end=\"485\">The ZWO Filters Duo-Band 2 inch is a narrow-band filter for color cameras. Ideal for deep-sky photography in light-polluted areas, without a mono camera or filter wheel.<\/p>","protected":false},"featured_media":20388,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[123],"product_cat":[56],"product_tag":[],"class_list":["post-14825","product","type-product","status-publish","has-post-thumbnail","product_brand-zwo","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":14819,"url":"https:\/\/www.telescoop.nl\/en\/zwo-filters-duo-band-1-25\/","url_meta":{"origin":14825,"position":0},"title":"ZWO Filters Duo-Band 1.25","author":"","date":"23-06-2025","format":false,"excerpt":"De ZWO Filters Duo-Band 1.25\" filter is d\u00e9 oplossing voor kleurencamera\u2019s in lichtvervuilde gebieden. Ideaal voor smalbandfotografie van nevels zonder filterwiel of mono-camera.","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\/06\/ZWO-Filters-Duo-band-1-25-.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Duo-band-1-25-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Duo-band-1-25-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Duo-band-1-25-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Duo-band-1-25-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Duo-band-1-25-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":14831,"url":"https:\/\/www.telescoop.nl\/en\/zwo-filters-filter-set-h-alpha-sii-oiii-125\/","url_meta":{"origin":14825,"position":1},"title":"ZWO Filters Filter-Set H-alpha, SII, OIII 1.25\u2033","author":"","date":"23-06-2025","format":false,"excerpt":"De ZWO Filters Filter-Set H-alpha, SII, OIII 1,25\" is perfect voor astrofotografie van zwakke nevels. 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