{"id":15341,"date":"2025-07-05T17:46:00","date_gmt":"2025-07-05T15:46:00","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=15341"},"modified":"2026-08-25T15:09:45","modified_gmt":"2026-08-25T13:09:45","slug":"zwo-clear-glass-filter-d25","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/zwo-helderglasfilter-d25\/","title":{"rendered":"ZWO Clear Glass Filter D25"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>ZWO Clear Glass Filter D25: sensor protection without loss of image quality<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This clear glass filter keeps dust, moisture, and scratches off the sensor of your ZWO ASI camera without reducing light transmission. With 95% transmittance and a merk anti-reflective coating, you won\u2019t notice it in your images, while your sensor stays clean and dry during long nights.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">On reflecting telescopes, this clear glass is sufficient as a sensor seal. For refractors, the ZWO IR-blocking variant in D25 format is the better choice because it also blocks infrared light and thus prevents focus shift.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Features<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n\n<li>95% display for maximum brightness and contrast<\/li>\n\n\n<li>Protects the sensor from dust, moisture, and scratches<\/li>\n\n\n<li>M42 x 0.75 thread, directly fitting D25 cameras<\/li>\n\n\n<li>Easy to clean with an air blower or lens cloth<\/li>\n\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Compatibility<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Compatible with ZWO ASI cameras with a D25 window and M42 connection. Mount the filter as the first element on the camera or in the filter wheel.<\/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>Format<\/strong><\/td><td>D25 (M42 x 0.75)<\/td><\/tr><tr><td><strong>Filter type<\/strong><\/td><td>clear glass<\/td><\/tr><tr><td><strong>Transmission<\/strong><\/td><td>95%<\/td><\/tr><tr><td><strong>Coating<\/strong><\/td><td>multicoating, anti-reflection<\/td><\/tr><tr><td><strong>Glass thickness<\/strong><\/td><td>2 mm<\/td><\/tr><tr><td><strong>Assembly<\/strong><\/td><td>internal thread<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The larger size sensor protection for you <a href=\"https:\/\/www.telescoop.nl\/en\/brands\/zwo\/\">ZWO<\/a>-camera. For the smaller window, there is the D21 version.<\/p>","protected":false},"excerpt":{"rendered":"<p>D25 clear glass filter with 95% transmission and M42 thread. Protects the sensor of your ZWO ASI camera from dust and moisture without affecting the image.<\/p>","protected":false},"featured_media":21098,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[123],"product_cat":[588,56],"product_tag":[],"class_list":["post-15341","product","type-product","status-publish","has-post-thumbnail","product_brand-zwo","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":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":111636,"url":"https:\/\/www.telescoop.nl\/en\/zwo-seestar-s50-pro\/","url_meta":{"origin":15341,"position":0},"title":"ZWO Seestar S50 Pro","author":"Info telescoop","date":"25-08-2026","format":false,"excerpt":"De ZWO Seestar S50 Pro is de opvolger van de Seestar S50: 50 mm quadruplet APO (260 mm, f\/5.2), twee 4K-sensoren van 8,3 MP, een groothoekcamera van 63 graden voor de Melkweg tot 8K, drie ingebouwde filters, 10.000 mAh accu (tot 9 uur) en 128 GB opslag. Vier opnamemodi voor\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"ZWO Seestar S50 Pro hero","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/zwo-seestar-s50-pro.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/zwo-seestar-s50-pro.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/zwo-seestar-s50-pro.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/08\/zwo-seestar-s50-pro.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/15341","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=15341"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/21098"}],"wp:attachment":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=15341"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=15341"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=15341"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=15341"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}