{"id":90679,"date":"2025-11-30T16:29:07","date_gmt":"2025-11-30T15:29:07","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=90679"},"modified":"2026-09-11T08:01:10","modified_gmt":"2026-09-11T06:01:10","slug":"sky-watcher-1-25-inch-light-pollution-filter","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/sky-watcher-1-25-inch-light-pollution-filter\/","title":{"rendered":"Sky-Watcher 1.25 inch Light Pollution Filter"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>Sky-Watcher 1.25 inch Light Pollution Filter: deep-sky from built-up areas<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Artificial city light makes the night sky bright and gray. This broadband filter suppresses the typical wavelengths of street lighting, while allowing light from stars and nebulae to pass through. The background becomes darker, contrast increases, and faint deep-sky objects become visible again.<\/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-CLS-1-Filters-Light-Polution-25-2.jpg\" alt=\"Skywatcher CLS 1 light pollution filter 1.25 inches in black aluminum mount 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-CLS-1-Filters-Light-Polution-25-1.jpg\" alt=\"Skywatcher CLS 1 transmission curve graph with pass-through bands and suppressed light pollution lines.\" title=\"\"><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Particularly from a garden or balcony in the Netherlands and Belgium, where light pollution is the norm, this filter makes the difference between a grey haze and recognizable nebula structure. The effect is visible both to the naked eye and in photographs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Features<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>Suppresses street lighting wavelengths<\/li>\n\n\n<li>Increases the contrast of nebulae and galaxies<\/li>\n\n\n<li>Aluminum vatting with standard filter thread<\/li>\n\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Compatibility<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Screws into the filter thread of 1.25 inch eyepieces and accessories. Usable for visual and photographic purposes.<\/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>Broadband filter (light pollution)<\/td><\/tr><tr><td><strong>Mount<\/strong><\/td><td>1.25 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><\/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>Broadband light pollution filter in 1.25 inch: suppresses the light from street lighting and keeps stars and nebulae bright. Usable visually and photographically.<\/p>","protected":false},"featured_media":98132,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[542],"product_cat":[3139,469,588,56],"product_tag":[],"class_list":["post-90679","product","type-product","status-publish","has-post-thumbnail","product_brand-sky-watcher","product_cat-lichtvervuilingsfilters-light-pollution","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":5,"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":90682,"url":"https:\/\/www.telescoop.nl\/en\/sky-watcher-2-inch-light-pollution-filter\/","url_meta":{"origin":90679,"position":0},"title":"Sky-Watcher 2 inch Light Pollution Filter","author":"","date":"30-11-2025","format":false,"excerpt":"Broadband light pollution filter in 2 inch: suppresses streetlights for a darker background and more contrast, also in the light path of correctors and 2 inch eyepieces.","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-CLS-2-Filters-Light-Polution-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":90685,"url":"https:\/\/www.telescoop.nl\/en\/sky-watcher-1-25-inch-uhc-filter\/","url_meta":{"origin":90679,"position":1},"title":"Sky-Watcher 1.25 inch UHC Filter","author":"","date":"30-11-2025","format":false,"excerpt":"Ultra High Contrast filter in 1.25 inch: smaller passband than a broadband filter, for clearly more contrast on emission nebulae such as Orion, Lagoon, and Swan.","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-UHC-1-Filters-25-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":107271,"url":"https:\/\/www.telescoop.nl\/en\/sky-watcher-explorer-200pds-eq5-pro\/","url_meta":{"origin":90679,"position":2},"title":"Sky-Watcher Explorer-200PDS (EQ5 PRO) - 200\/1000 Newtonian Reflector\u00a0","author":"Info telescoop","date":"20-04-2026","format":false,"excerpt":"De Sky-Watcher Explorer-200PDS EQ5 Pro is de complete acht inch GoTo-set: imaging-Newton met grote collimatieknoppen op een SynScan-montering die zoekt en exact volgt.","rel":"","context":"With 1 comment","block_context":{"text":"With 1 comment","link":"https:\/\/www.telescoop.nl\/en\/sky-watcher-explorer-200pds-eq5-pro\/#comments"},"img":{"alt_text":"Sky-Watcher Explorer-200PDS (EQ5 PRO) 200mm f\/5 Newton-buis op EQ5 Pro equatoriale montering met contragewicht, 1,75 inch RVS statief en handcontroller op witte achtergrond","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/10220-20981A-scaled.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/10220-20981A-scaled.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/10220-20981A-scaled.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/10220-20981A-scaled.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/10220-20981A-scaled.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/10220-20981A-scaled.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":107904,"url":"https:\/\/www.telescoop.nl\/en\/telescoop-set-voor-sterrenstelsels-en-nevels-deep-sky-pakket\/","url_meta":{"origin":90679,"position":3},"title":"Telescope set for galaxies and nebulae \u2013 Deep Sky package","author":"Info telescoop","date":"04-05-2026","format":false,"excerpt":"Haal het maximale uit het diepe heelal en verre sterrenstelsels. Deze set rondom de krachtige 200\/1200 Dobson telescoop is geoptimaliseerd voor deep-sky observatie. Door de grote lichtopbrengst van de 8-inch spiegel te combineren met twee zogehete smalbandfilters, onthul je details in gasnevels die zonder deze hulpmiddelen onzichtbaar blijven! Lichtkanon: 200mm\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon Dobson Teleskop Advanced X N 203\/1000","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/Omegon-Dobson-telescoop-Advanced-X-N-203-1200.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/Omegon-Dobson-telescoop-Advanced-X-N-203-1200.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/Omegon-Dobson-telescoop-Advanced-X-N-203-1200.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/Omegon-Dobson-telescoop-Advanced-X-N-203-1200.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/Omegon-Dobson-telescoop-Advanced-X-N-203-1200.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/Omegon-Dobson-telescoop-Advanced-X-N-203-1200.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":24999,"url":"https:\/\/www.telescoop.nl\/en\/omegon-nevel-en-stadlichtfilter-125\/","url_meta":{"origin":90679,"position":4},"title":"Omegon Nebula and City Light Filter 1.25 inch","author":"","date":"07-08-2025","format":false,"excerpt":"Broadband filter that suppresses street lighting and increases the contrast of nebulae. The most cost-effective step forward for observers under city skies.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon Nevel- en Stadlichtfilter 1,25\"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Nevelfilter-Pollutiefilter-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-Nevelfilter-Pollutiefilter-1-25-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Nevelfilter-Pollutiefilter-1-25-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Nevelfilter-Pollutiefilter-1-25-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Nevelfilter-Pollutiefilter-1-25-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Nevelfilter-Pollutiefilter-1-25-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":107563,"url":"https:\/\/www.telescoop.nl\/en\/sky-watcher-syncam-533c-cmos-camera\/","url_meta":{"origin":90679,"position":5},"title":"Sky-Watcher SynCam 533C CMOS Camera","author":"Abdullah Ibrar","date":"28-04-2026","format":false,"excerpt":"Passively cooled color.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Sky-Watcher SynCam 533C schuine vooraanzichtfoto van de astrocamera met een magentakleurig sensorglas in de zwarte cilindervormige behuizing.","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/SYNCAM-533C-Main.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/SYNCAM-533C-Main.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/SYNCAM-533C-Main.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/SYNCAM-533C-Main.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/SYNCAM-533C-Main.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/SYNCAM-533C-Main.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/90679","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=90679"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/98132"}],"wp:attachment":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=90679"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=90679"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=90679"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=90679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}