{"id":92543,"date":"2026-01-06T10:08:44","date_gmt":"2026-01-06T09:08:44","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&p=92543"},"modified":"2026-03-20T12:53:55","modified_gmt":"2026-03-20T11:53:55","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 inches)"},"content":{"rendered":"

Omegon Pro H-Alpha 7 nm Filter -<\/strong> Astrophotography of hydrogen nebulae even in the middle of the city<\/strong>
Young stars glowing in deep red nebula light: the Omegon Pro H-Alpha 7 nm filter lets you capture hydrogen nebulae with impressive detail. Thanks to the very narrow pass of only 7 nanometers, you get extremely high contrast, even under light-polluted skies. This allows you to take astrophotos you can be proud of, even from urban areas.<\/p>\n\n\n\n

\"Omegon<\/figure>\n\n\n\n

Maximum contrast for serious astrophotographers<\/strong>
This filter allows only H-alpha light to pass through and blocks virtually all other wavelengths. Artificial light from sodium and mercury vapor lamps is effectively suppressed. Compared to a 12 nm filter, you will see significantly more contrast and finer structures in nebulae. Less background light means more detail in your image.<\/p>\n\n\n\n

\"Omegon<\/figure>\n\n\n\n

Designed for advanced astrophotography<\/strong>
The Omegon Pro H-Alpha 7 nm filter is perfect for astro cameras and custom DSLR cameras. Its interference technology with ultra-thin layers ensures sharp, high-contrast images. Whether shooting in the city or under dark skies, this filter gets the most out of your data.<\/p>\n\n\n\n

What we recommend<\/strong>
\u2713 Hydrogen nebulae: ideal for maximum detail
\u2713 Astrophotography: perfect for narrow-band shots
\u2713 Light-polluted locations: highly effective
\u2717 Visual observation: not appropriate
\u2717 Planetary nebulae and comets: limited usefulness<\/p>\n\n\n\n

Specifications<\/h3>\n\n\n\n

Capacity<\/strong><\/p>\n\n\n\n

Feature<\/th>Description<\/th><\/tr><\/thead>
Fasteners<\/td>Aluminum<\/td><\/tr>
Telescope connection<\/td>1,25\u2033<\/td><\/tr>
Mount<\/td>1,25\u2033<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

General<\/strong><\/p>\n\n\n\n

Feature<\/th>Description<\/th><\/tr><\/thead>
Series<\/td>Pro<\/td><\/tr>
Type<\/td>Filters<\/td><\/tr>
Design<\/td>Line filter<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

Observation goals<\/strong><\/p>\n\n\n\n

Observation goals<\/th>Yes\/No<\/th><\/tr><\/thead>
Anti light-pollution<\/td>yes<\/td><\/tr>
Hydrogen mists<\/td>yes<\/td><\/tr>
Planetary nebula<\/td>-<\/td><\/tr>
Comets<\/td>-<\/td><\/tr>
Central stars<\/td>-<\/td><\/tr>
Supernova remnants<\/td>-<\/td><\/tr>
Photographic use<\/td>yes<\/td><\/tr>
Visually useful<\/td>-<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"

Omegon Pro H-Alpha 7 nm Filter<\/span>\u00a0Comes with 7 nm narrowband optics, aluminum mount and 1.25\u2033 thread - ideal for astrophotography of hydrogen nebulae with maximum contrast, even under urban light pollution.<\/span><\/p>\n

\u00a0<\/span><\/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 H-Alpha Pro Veil Filter 7nm (2 inch)","author":"","date":"06-01-2026","format":false,"excerpt":"Omegon H-Alpha Filter comes with H-Alpha 7nm narrowband filter in 2\u201d aluminum mount, glass coating and compact protective box - ideal for contrast-enhanced observation and astrophotography of HII nebulae, even in light-polluted skies. \u00a0","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":92610,"url":"https:\/\/www.telescoop.nl\/en\/omegon-h-alpha-filters-pro-veil-3nm-2-inch\/","url_meta":{"origin":92543,"position":1},"title":"Omegon H-Alpha Filters Pro Veil 3nm (2 inch)","author":"","date":"06-01-2026","format":false,"excerpt":"Omegon H-Alpha Filter comes with H-Alpha 3nm narrowband filter in 2\u201d aluminum mount, glass coating and sturdy protective box - ideal for astrophotography of HII nebulae in light pollution.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":25227,"url":"https:\/\/www.telescoop.nl\/en\/omegon-pro-h-alpha-filter-2\/","url_meta":{"origin":92543,"position":2},"title":"Omegon Pro H-alpha Filter 2\u2033","author":"","date":"07-08-2025","format":false,"excerpt":"\u00a0 Omegon Pro H-alpha Filter 2\" \u2013 professioneel smalbandfilter voor astrofotografie van emissienevels in het H-alpha-spectrum.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon Pro H-alpha Filter 2\"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Pro-H-Alpha-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-Pro-H-Alpha-filter-2-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Pro-H-Alpha-filter-2-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Pro-H-Alpha-filter-2-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Pro-H-Alpha-filter-2-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Pro-H-Alpha-filter-2-.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":92543,"position":3},"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\/www.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\/www.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\/www.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\/www.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\/www.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\/www.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":15356,"url":"https:\/\/www.telescoop.nl\/en\/zwo-h-alpha-sii-oiii-filterset-31-mm-losse-filters\/","url_meta":{"origin":92543,"position":4},"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\/www.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\/www.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\/www.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\/www.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\/www.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\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filterset-H-Alpha-SII-OIII-31mm-unmounted.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":92596,"url":"https:\/\/www.telescoop.nl\/en\/omegon-pro-veil-h-alpha-oiii-filter-7nm-2-inch\/","url_meta":{"origin":92543,"position":5},"title":"Omegon Pro Veil H-Alpha OIII Filter 7nm (2 inch)","author":"","date":"06-01-2026","format":false,"excerpt":"Omegon Pro Veil H-Alpha OIII Filters comes with 2\" line filter in aluminum housing, protection box and high transmission for detail-rich emission nebula observations - ideal for light-polluted skies and astrophotography.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/92543","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=92543"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/98905"}],"wp:attachment":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=92543"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=92543"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=92543"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=92543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}