{"id":14836,"date":"2025-06-23T20:46:05","date_gmt":"2025-06-23T18:46:05","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=14836"},"modified":"2026-06-09T11:43:55","modified_gmt":"2026-06-09T09:43:55","slug":"zwo-filters-ir-pass-filter-125-inch","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/zwo-filters-ir-passeerfilter-125-inch\/","title":{"rendered":"ZWO Filters IR pass filter 1.25 inches"},"content":{"rendered":"<p class=\"wp-block-paragraph\"><strong>ZWO Filters IR pass filter 1.25\u2033 - sharper planetary details through infrared<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This IR-pass filter from ZWO is specially designed for astrophotography in the infrared spectrum. The filter blocks visible light and allows only infrared radiation with longer wavelengths to pass through. This significantly reduces the influence of atmospheric turbulence - ideal for planetary photography under less than ideal conditions.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>When do you use this filter?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>For moon and planet shots with a <strong>monochrome camera<\/strong><\/li>\n\n\n\n<li>Especially suitable for <strong>Mars, Jupiter and Saturn<\/strong><\/li>\n\n\n\n<li>Works well in poor seeing because infrared is less affected by air vibrations<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Please note that this filter is <strong>not intended for visual observation<\/strong>. Only cameras sensitive to infrared (such as the ZWO ASI174MM, ASI462MM or ASI585MM) can benefit from this.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>What you can capture with it<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u2713 Sharper images of Mars, Jupiter, Saturn and the Moon<br>\u2713 Planet details in poor seeing<br>\u2713 Infrared structures on Venus or Uranus (with suitable camera)<br>\u2713 Better contrast when shooting at dusk or low in the sky<\/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>IR-pass filter<\/td><\/tr><tr><td><strong>Format<\/strong><\/td><td>1.25 inches (31.7 mm)<\/td><\/tr><tr><td><strong>Housing<\/strong><\/td><td>Aluminum<\/td><\/tr><tr><td><strong>Coating<\/strong><\/td><td>Multi-coated<\/td><\/tr><tr><td><strong>Observation goals<\/strong><\/td><td>Photographic only<\/td><\/tr><tr><td><strong>Blocks<\/strong><\/td><td>Visible light<\/td><\/tr><tr><td><strong>Leave by<\/strong><\/td><td>Infrared (&gt;685 nm)<\/td><\/tr><tr><td><strong>Compatibility<\/strong><\/td><td>All 1.25\u2033 focusers and IR-sensitive cameras<\/td><\/tr><tr><td><strong>Series<\/strong><\/td><td>ZWO Filter Series<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p data-start=\"332\" data-end=\"505\">The ZWO Filters IR Pass Filter 1.25\u2033 blocks visible light and allows only infrared to pass through. Ideal for planetary photography during poor seeing with sensitive mono cameras.<\/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-14836","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":14833,"url":"https:\/\/www.telescoop.nl\/en\/zwo-blocking-filters-uv-ir-125\/","url_meta":{"origin":14836,"position":0},"title":"ZWO Blocking Filters UV\/IR 1.25\u2033","author":"","date":"23-06-2025","format":false,"excerpt":"The ZWO Blocking Filters UV\/IR 1.25\" block infrared and ultraviolet light for sharper and colorfast astrophotos with color cameras and refractors.","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-Blocking-filters-UV-IR-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-Blocking-filters-UV-IR-1-25-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Blocking-filters-UV-IR-1-25-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Blocking-filters-UV-IR-1-25-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Blocking-filters-UV-IR-1-25-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/06\/ZWO-Blocking-filters-UV-IR-1-25-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":15351,"url":"https:\/\/www.telescoop.nl\/en\/zwo-methaanband-filter-125-inch\/","url_meta":{"origin":14836,"position":1},"title":"ZWO Methane Band Filter 1.25 inches","author":"","date":"06-07-2025","format":false,"excerpt":"\u00a0 ZWO Methane band filter 1.25 inches for infrared cameras. Narrowband interference filter (200 \u00c5) for gas planet photography with striking contrast in methane absorption.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"ZWO Methanband-Filter 1,25 Zoll","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filters-Methaanband-filter-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-Filters-Methaanband-filter-1-25-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filters-Methaanband-filter-1-25-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filters-Methaanband-filter-1-25-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filters-Methaanband-filter-1-25-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/ZWO-Filters-Methaanband-filter-1-25-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":15362,"url":"https:\/\/www.telescoop.nl\/en\/zwo-ir-blocking-filter-d21\/","url_meta":{"origin":14836,"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":14836,"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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