{"id":15371,"date":"2025-07-06T19:57:11","date_gmt":"2025-07-06T17:57:11","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=15371"},"modified":"2026-03-03T20:25:46","modified_gmt":"2026-03-03T19:25:46","slug":"zwo-line-filter-set-2-inch-2","status":"publish","type":"product","link":"https:\/\/staging.telescoop.nl\/en\/zwo-lijnfilterset-2-inch\/","title":{"rendered":"ZWO Line Filter Set 2 inch"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>ZWO line filter set 2 inch<\/strong> contains three narrow-band interference filters (H-Alpha 656 nm, S II 672 nm and O III 500 nm) that suppress light pollution and greatly increase the contrast of faint nebulae. These filters fit into a low-profile 2-inch filter holder and are homofocal with all ZWO filters, eliminating the need to refocus when changing filters.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Key benefits<\/strong><br>\u2713 Three narrowband filters for H-Alpha, S II and O III with 7 nm bandwidth<br>\u2713 Increases contrast of hydrogen nebulae, planetary nebulae and supernova remnants<br>\u2713 Homofocal design saves time in LRGB or narrowband workflows<br>\u2713 Easily mounted in 2-inch low profile filter holder<br>\u2713 Supplied in sturdy plastic storage box for safe transportation<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Technical specifications<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Format: 2 inch filters in filter holder<\/li>\n\n\n\n<li>Passbands: H-Alpha 656 nm, S II 672 nm, O III 500 nm<\/li>\n\n\n\n<li>Bandwidth (HWB): 7 nm<\/li>\n\n\n\n<li>Transmission: 80 %<\/li>\n\n\n\n<li>Housing: aluminum<\/li>\n\n\n\n<li>Coating: multi-layer interference<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Practical application<\/strong><br>Use this filter set with a monochrome ZWO ASI camera and a 2-inch filter wheel. Capture faint H II areas, planetary nebulae and supernova remnants with exceptional detail and contrast, even under urban light pollution.<\/p>","protected":false},"excerpt":{"rendered":"<p data-start=\"1532\" data-end=\"1602\">\u00a0<\/p>\n<p data-start=\"1363\" data-end=\"1530\">ZWO line filter set 2 inch for narrowband astrophotography with H-Alpha, S II, O III. 7 nm bandwidth, homofocal and in convenient storage box.<\/p>","protected":false},"featured_media":21136,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[123],"product_cat":[56,588,3138],"product_tag":[],"class_list":["post-15371","product","type-product","status-publish","has-post-thumbnail","product_brand-zwo","product_cat-telescoop-accessoires","product_cat-filters","product_cat-imaging-filters-smalband-en-lrgb","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":15359,"url":"https:\/\/staging.telescoop.nl\/en\/zwo-h-alpha-sii-oiii-filterset-36-mm-losse-filters\/","url_meta":{"origin":15371,"position":0},"title":"ZWO H-Alpha SII OIII filter set 36 mm separate filters","author":"","date":"06-07-2025","format":false,"excerpt":"\u00a0 ZWO H-Alpha SII OIII filter set 36 mm separate filters for high-contrast narrowband astrophotography with 7 nm bandwidth, homofocal and reflection-free.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"ZWO H-Alpha SII OIII Filtersatz 36 mm lose Filter","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filters-Filter-Set-H-alpha-SII-OIII-36mm-unmounted.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filters-Filter-Set-H-alpha-SII-OIII-36mm-unmounted.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filters-Filter-Set-H-alpha-SII-OIII-36mm-unmounted.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filters-Filter-Set-H-alpha-SII-OIII-36mm-unmounted.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filters-Filter-Set-H-alpha-SII-OIII-36mm-unmounted.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filters-Filter-Set-H-alpha-SII-OIII-36mm-unmounted.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":15356,"url":"https:\/\/staging.telescoop.nl\/en\/zwo-h-alpha-sii-oiii-filterset-31-mm-losse-filters\/","url_meta":{"origin":15371,"position":1},"title":"ZWO H-Alpha SII OIII filter set 31 mm loose filters","author":"","date":"06-07-2025","format":false,"excerpt":"\u00a0 ZWO H-Alpha SII OIII filter set 31 mm separate filters for high-contrast narrowband astrophotography with 7 nm bandwidth.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"ZWO H-Alpha SII OIII Filtersatz 31 mm lose Filter","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filterset-H-Alpha-SII-OIII-31mm-unmounted.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filterset-H-Alpha-SII-OIII-31mm-unmounted.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filterset-H-Alpha-SII-OIII-31mm-unmounted.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filterset-H-Alpha-SII-OIII-31mm-unmounted.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filterset-H-Alpha-SII-OIII-31mm-unmounted.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filterset-H-Alpha-SII-OIII-31mm-unmounted.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":14831,"url":"https:\/\/staging.telescoop.nl\/en\/zwo-filters-filter-set-h-alpha-sii-oiii-125\/","url_meta":{"origin":15371,"position":2},"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. Ontworpen voor gebruik met mono-camera\u2019s en filterwielen, met uitstekende lichtvervuilingsonderdrukking.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Filter-Set-H-alpha-SII-OIII-1-25-.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Filter-Set-H-alpha-SII-OIII-1-25-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Filter-Set-H-alpha-SII-OIII-1-25-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Filter-Set-H-alpha-SII-OIII-1-25-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Filter-Set-H-alpha-SII-OIII-1-25-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Filter-Set-H-alpha-SII-OIII-1-25-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":14825,"url":"https:\/\/staging.telescoop.nl\/en\/zwo-filters-duo-band-2-inch\/","url_meta":{"origin":15371,"position":3},"title":"ZWO Filters Duo-Band 2 inch","author":"","date":"23-06-2025","format":false,"excerpt":"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.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Duo-Band-2-.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Duo-Band-2-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Duo-Band-2-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Duo-Band-2-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Duo-Band-2-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Filters-Duo-Band-2-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":90696,"url":"https:\/\/staging.telescoop.nl\/en\/sky-watcher-2-inch-o-iii-filter\/","url_meta":{"origin":15371,"position":4},"title":"Sky-Watcher 2\u2033 O-III Filter","author":"","date":"30-11-2025","format":false,"excerpt":"Skywatcher OIII wordt geleverd met 2\" O-III lijnfilter in robuuste aluminium vatting \u2013 ideaal om planetaire en emissienevels met maximaal contrast visueel en fotografisch vast te leggen onder een lichtvervuilde hemel. \u00a0","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/Skywatcher-Filters-OIII-2-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/Skywatcher-Filters-OIII-2-1.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/Skywatcher-Filters-OIII-2-1.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/Skywatcher-Filters-OIII-2-1.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":7415,"url":"https:\/\/staging.telescoop.nl\/en\/vespera-dual-band-filter\/","url_meta":{"origin":15371,"position":5},"title":"Vaonis Vespera Dual Band Filter","author":"Info telescoop","date":"12-02-2025","format":false,"excerpt":"\u00a0 Vaonis Vespera Dual Band Filter comes with narrowband interference technology, automatic detection and optimal transmission of H-alpha and O-III for high-contrast astrophotography.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/DBF2.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/DBF2.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/DBF2.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/DBF2.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/02\/DBF2.png?resize=1050%2C600&ssl=1 3x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/15371","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/comments?post=15371"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/21136"}],"wp:attachment":[{"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=15371"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=15371"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=15371"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/staging.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=15371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}