{"id":34082,"date":"2025-11-16T16:33:32","date_gmt":"2025-11-16T15:33:32","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=34082"},"modified":"2026-07-20T14:26:45","modified_gmt":"2026-07-20T12:26:45","slug":"william-optics-75-110mm-bahtinov-mask","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/william-optics-75-110mm-bahtinov-mask\/","title":{"rendered":"William Optics 75-110mm Bahtinov Mask"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>William Optics 75-110mm Bahtinov Mask: scherpstellen zonder gokken<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The William Optics Bahtinov mask makes focusing on a star measurable. You place the mask in front of your telescope's aperture and point it at a bright star: the pattern will draw three spikes of light in your image. If the middle spike is exactly between the other two, the focus is perfect. No more guesswork, even with a camera.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Dit masker is gesneden uit optisch acrylglas met 92% lichttransmissie en het patroon geeft ongeveer drie keer zoveel buiging als klassieke metalen maskers: de spiesen zijn helderder en dus ook op zwakkere sterren bruikbaar. Deze maat past op kleine refractors zoals de ZenithStar 61 en 73.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/William-Optics-75-110mm-Focus-masker-Bahtinov-2.jpg\" alt=\"William Optics Bahtinov focusmasker 75-110 mm\" title=\"\"><\/figure><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/William-Optics-75-110mm-Focus-masker-Bahtinov-1.jpg\" alt=\"William Optics Bahtinov focusmasker 75-110 mm\" title=\"\"><\/figure><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Features<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Past op buisdiameters van 75-110 mm dankzij verstelbare bevestigingspennen<\/li><li>Optical acrylic glass with 92% light transmission<\/li><li>About three times brighter diffraction pattern than metal masks<\/li><li>Indispensable for sharp astrophotos, also visually useful<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Compatibility<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Meet de buitendiameter van je buis of dauwkap: die moet tussen 75-110 mm liggen. Voor andere maten zijn er de overige uitvoeringen in de serie.<\/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>Bahtinov focus mask<\/td><\/tr><tr><td><strong>Tube diameter<\/strong><\/td><td>75-110 mm<\/td><\/tr><tr><td><strong>Material<\/strong><\/td><td>Optical acrylic glass, transparent<\/td><\/tr><tr><td><strong>Light transmission<\/strong><\/td><td>92%<\/td><\/tr><tr><td><strong>Attachment<\/strong><\/td><td>Adjustable pens<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">You can find more accessories for this merk at the <a href=\"\/en\/brands\/william-optics\/\">William Optics merk Page<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>William Optics Bahtinov focusmasker voor buisdiameters van 75-110 mm: optisch acrylglas met 92% transmissie en extra helder buigingspatroon voor exact scherpstellen.<\/p>","protected":false},"featured_media":97508,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[643],"product_cat":[3115,56],"product_tag":[],"class_list":["post-34082","product","type-product","status-publish","has-post-thumbnail","product_brand-william-optics","product_cat-focusing","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":[],"_links":{"self":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/34082","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=34082"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/97508"}],"wp:attachment":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=34082"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=34082"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=34082"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=34082"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}