{"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":"2026-02-27T17:44:39","modified_gmt":"2026-02-27T16:44:39","slug":"sky-watcher-1-25-inch-light-pollution-filter","status":"publish","type":"product","link":"https:\/\/staging.telescoop.nl\/en\/sky-watcher-1-25-inch-light-pollution-filter\/","title":{"rendered":"Sky-Watcher 1.25\u2033 Light Pollution Filter"},"content":{"rendered":"<h3 class=\"wp-block-heading\">Filter against light pollution<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The Skywatcher CLS 1 helps you see faint deep-sky objects more clearly. Artificial light from cities often makes the sky bright and gray. This filter suppresses the typical colors of street lights, while letting the light from stars and nebulae through. This keeps your image clear and rich in contrast.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" data-id=\"90680\" src=\"https:\/\/staging.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.\" class=\"wp-image-90680\" title=\"\"><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Easy to use<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The filter fits any 1.25\u2033 socket. You simply slide it into your eyepiece or filter holder. Thanks to the aluminum mount, it sits securely and stays perfectly in place.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-2 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image aligncenter size-large\"><img decoding=\"async\" data-id=\"90681\" src=\"https:\/\/staging.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.\" class=\"wp-image-90681\" title=\"\"><\/figure>\n<\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Ideal for visual and photographic use<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Whether you are observing or photographing, the CLS 1 filter improves the contrast of nebulae and galaxies. It is a true all-rounder for observers often working in illuminated areas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Compact and reliable<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">The filter is lightweight and easy to carry. You don't need any complicated installations. Within seconds you are ready to see clear images of deep-sky objects.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Specifications<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Capacity<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td>Telescope connection<\/td><td>1,25\u2033<\/td><\/tr><tr><td>Mount<\/td><td>1,25\u2033<\/td><\/tr><tr><td>Fasteners<\/td><td>Aluminum<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>General<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td>Type<\/td><td>Filters<\/td><\/tr><tr><td>Design<\/td><td>Broadband filters<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Application<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>Description<\/th><\/tr><\/thead><tbody><tr><td>Photographic use<\/td><td>Yes<\/td><\/tr><tr><td>Visually useful<\/td><td>Yes<\/td><\/tr><tr><td>Nebulae &amp; galaxies<\/td><td>Yes<\/td><\/tr><tr><td>Anti light-pollution<\/td><td>Yes<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p>Skywatcher CLS 1 comes with 1.25\u2033 CLS light pollution filter in aluminum mount - ideal for increasing contrast of DeepSky nebulae and galaxies under light-polluted skies. \u00a0<\/p>","protected":false},"featured_media":98132,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[542],"product_cat":[56,469,588,3139],"product_tag":[],"class_list":["post-90679","product","type-product","status-publish","has-post-thumbnail","product_brand-sky-watcher","product_cat-telescoop-accessoires","product_cat-astro-fotografie","product_cat-filters","product_cat-lichtvervuilingsfilters-light-pollution","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":90682,"url":"https:\/\/staging.telescoop.nl\/en\/sky-watcher-2-inch-light-pollution-filter\/","url_meta":{"origin":90679,"position":0},"title":"Sky-Watcher 2\u2033 Light Pollution Filter","author":"","date":"30-11-2025","format":false,"excerpt":"Skywatcher CLS 2 wordt geleverd met 2\" CLS lichtvervuilingsfilter in aluminium vatting \u2013 ideaal om contrast van DeepSky-nevels en sterrenstelsels visueel en fotografisch te verhogen onder een verlichte 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-CLS-2-Filters-Light-Polution-2.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/Skywatcher-CLS-2-Filters-Light-Polution-2.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/11\/Skywatcher-CLS-2-Filters-Light-Polution-2.jpg?resize=525%2C300&ssl=1 1.5x, 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APS-C","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-Clipfilter-voor-Canon-EOS-APS-C-CLS-CCD.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-Clipfilter-voor-Canon-EOS-APS-C-CLS-CCD.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-Clipfilter-voor-Canon-EOS-APS-C-CLS-CCD.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-Clipfilter-voor-Canon-EOS-APS-C-CLS-CCD.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-Clipfilter-voor-Canon-EOS-APS-C-CLS-CCD.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-Clipfilter-voor-Canon-EOS-APS-C-CLS-CCD.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":28675,"url":"https:\/\/staging.telescoop.nl\/en\/optolong-cls-clip-filter-canon-eos-aps-c\/","url_meta":{"origin":90679,"position":2},"title":"Optolong CLS Clip Filter Canon EOS APS-C","author":"","date":"18-09-2025","format":false,"excerpt":"\u00a0 Optolong CLS Clip Filter Canon EOS APS-C comes with broadband coating for high-contrast deep-sky photography and visual observations under light pollution.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Optolong CLS Clip Filter Canon EOS APS-C","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-Clip-Filter-for-Canon-EOS-APS-C-CLS.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-Clip-Filter-for-Canon-EOS-APS-C-CLS.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-Clip-Filter-for-Canon-EOS-APS-C-CLS.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-Clip-Filter-for-Canon-EOS-APS-C-CLS.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-Clip-Filter-for-Canon-EOS-APS-C-CLS.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/09\/Optolong-Filters-Clip-Filter-for-Canon-EOS-APS-C-CLS.jpg?resize=1400%2C800&ssl=1 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vervuilde hemel, in full-size 2\" formaat.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon Pro CLS Lichtvervuilingsfilter 2 inch","src":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Pro-CLS-filter-2-.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Pro-CLS-filter-2-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Pro-CLS-filter-2-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Pro-CLS-filter-2-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/staging.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Pro-CLS-filter-2-.jpg?resize=1050%2C600&ssl=1 3x, 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