{"id":14833,"date":"2025-06-23T20:38:02","date_gmt":"2025-06-23T18:38:02","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=14833"},"modified":"2026-03-03T20:26:01","modified_gmt":"2026-03-03T19:26:01","slug":"zwo-blocking-filters-uv-ir-125","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/zwo-blocking-filters-uv-ir-125\/","title":{"rendered":"ZWO Blocking Filters UV\/IR 1.25\u2033"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>ZWO Blocking Filters UV\/IR 1.25\u2033 - improve your color balance and sharpness<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Many CCD and CMOS color cameras are sensitive to infrared (IR) and ultraviolet (UV) light. This causes distortions in color and sharpness - especially when using refractors and lens systems. The <strong>ZWO UV\/IR blocking filter<\/strong> solves this immediately.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This filter allows only visible light to pass through and blocks the UV and IR areas that are outside the focusing range of lenses. Result: improved color balance and sharper stars without halos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Applications:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ideal with color cameras without internal IR-cut filter (such as ZWO ASI294MC, ASI585MC, ASI533MC)<\/li>\n\n\n\n<li>Recommended for refractors and lenses that are not apochromatically corrected<\/li>\n\n\n\n<li>Safety filter in solar observation with solar film or Herschel prism<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>What you prevent or improve with it<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u2713 Faded or shifted colors when using color cameras<br>\u2713 Stars with halos or blurred edges<br>\u2713 Infrared pollution in refractors<br>\u2713 Additional UV protection for sun perception (in combination with sunscreen film)<\/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>UV\/IR-blocking filter<\/td><\/tr><tr><td><strong>Format<\/strong><\/td><td>1.25 inches (31.7 mm)<\/td><\/tr><tr><td><strong>Material mount<\/strong><\/td><td>Aluminum<\/td><\/tr><tr><td><strong>Coating<\/strong><\/td><td>Multi-coated<\/td><\/tr><tr><td><strong>Light transmission<\/strong><\/td><td>Visible spectrum only<\/td><\/tr><tr><td><strong>Compatibility<\/strong><\/td><td>All 1.25\u2033 focusers, color cameras, refractors<\/td><\/tr><tr><td><strong>Use<\/strong><\/td><td>Photography and visual use<\/td><\/tr><tr><td><strong>Series<\/strong><\/td><td>ZWO Filter Series<\/td><\/tr><tr><td><strong>Design<\/strong><\/td><td>Blocking filter<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p data-start=\"274\" data-end=\"427\">The ZWO Blocking Filters UV\/IR 1.25\u2033 block infrared and ultraviolet light for sharper and colorfast astrophotos with color cameras and refractors.<\/p>","protected":false},"featured_media":20394,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[123],"product_cat":[56],"product_tag":[],"class_list":["post-14833","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":25248,"url":"https:\/\/www.telescoop.nl\/en\/omegon-uv-ir-cut-off-filter-125\/","url_meta":{"origin":14833,"position":0},"title":"Omegon UV\/IR Cut-Off Filter 1.25\u2033","author":"","date":"07-08-2025","format":false,"excerpt":"\u00a0 Omegon UV\/IR Cut-Off Filter 1.25\" - blocks unwanted ultraviolet and infrared radiation for sharper, color-fast astrophotos.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon UV\/IR Cut-Off Filter 1,25\"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Blocking-filters-1-25-UV-IR-cut-off-filter.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Blocking-filters-1-25-UV-IR-cut-off-filter.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Blocking-filters-1-25-UV-IR-cut-off-filter.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Blocking-filters-1-25-UV-IR-cut-off-filter.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Blocking-filters-1-25-UV-IR-cut-off-filter.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Blocking-filters-1-25-UV-IR-cut-off-filter.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":25245,"url":"https:\/\/www.telescoop.nl\/en\/omegon-blocking-filter-infraroodfilter-125\/","url_meta":{"origin":14833,"position":1},"title":"Omegon Blocking Filter Infrared Filter 1.25\u2033","author":"","date":"07-08-2025","format":false,"excerpt":"\u00a0 Omegon Blocking Filter Infrared Filter 1.25\" - blocks unwanted IR radiation in photography and visual observation, for sharper images and better color correction.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon Blocking Filter Infraroodfilter 1,25\"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Blocking-filters-Infrared-band-elimination-filter.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Blocking-filters-Infrared-band-elimination-filter.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Blocking-filters-Infrared-band-elimination-filter.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Blocking-filters-Infrared-band-elimination-filter.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Blocking-filters-Infrared-band-elimination-filter.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Blocking-filters-Infrared-band-elimination-filter.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":15362,"url":"https:\/\/www.telescoop.nl\/en\/zwo-ir-blocking-filter-d21\/","url_meta":{"origin":14833,"position":2},"title":"ZWO IR-blocking filter D21","author":"","date":"06-07-2025","format":false,"excerpt":"\u00a0 ZWO IR-blocking filter D21 protects your ASI camera and blocks infrared for razor-sharp, high-contrast shots. 90 % transmission, M42 loose design.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"ZWO IR-Sperrfilter D21","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Blocking-filters-IR-ASI-D21.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Blocking-filters-IR-ASI-D21.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Blocking-filters-IR-ASI-D21.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Blocking-filters-IR-ASI-D21.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Blocking-filters-IR-ASI-D21.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Blocking-filters-IR-ASI-D21.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":15365,"url":"https:\/\/www.telescoop.nl\/en\/zwo-ir-blocking-filter-d25\/","url_meta":{"origin":14833,"position":3},"title":"ZWO IR-blocking filter D25","author":"","date":"06-07-2025","format":false,"excerpt":"\u00a0 ZWO IR-blocking filter D25 for ASI cameras. 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Hoge transmissie, UV\/IR-cut L-filter en parafocaal ontwerp voor perfecte kleur-deep-sky en planetaire foto\u2019s.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"ZWO LRGB Filtersatz 1,25 Zoll","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-LRGB-filterset-voor-ASI-1600-MM-Mono-1-25-.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-LRGB-filterset-voor-ASI-1600-MM-Mono-1-25-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-LRGB-filterset-voor-ASI-1600-MM-Mono-1-25-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-LRGB-filterset-voor-ASI-1600-MM-Mono-1-25-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-LRGB-filterset-voor-ASI-1600-MM-Mono-1-25-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-LRGB-filterset-voor-ASI-1600-MM-Mono-1-25-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/14833","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=14833"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/20394"}],"wp:attachment":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=14833"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=14833"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=14833"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=14833"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}