{"id":34221,"date":"2025-11-17T15:31:27","date_gmt":"2025-11-17T14:31:27","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=34221"},"modified":"2026-08-25T15:11:45","modified_gmt":"2026-08-25T13:11:45","slug":"william-optics-2x-barlow-lens-for-125-binoviewers","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/william-optics-2x-barlowlens-voor-125-binoviewers\/","title":{"rendered":"William Optics 2x Barlow lens for 1.25\u2033 Binoviewers"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>William Optics 2x Barlow lens for 1.25\u2033 Binoviewers: focus and magnification for your binoviewer<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This William Optics 2x Barlow is made for binoviewers: you screw it into the 1.25-inch nosepiece and it doubles the magnification of both eyepieces at the same time. Just as importantly, the Barlow extends the light path, allowing the binoviewer to still come to focus on telescopes with limited focusing range.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you want more factor, you combine the Barlow with a 1.25-inch extension tube and the effective magnification increases further.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/11\/William-Optics-2x-Barlowlens-voor-125-Binoviewers.jpg\" alt=\"William Optics 2x Barlow for binoviewers\" title=\"\"><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Features<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Screws directly into the 1.25-inch nosepiece of the binoviewer<\/li><li>Doubles the magnification of both eyepieces<\/li><li>Lengthens the light path: focus assistance on tight systems<\/li><li>To be extended with a 1.25-inch extension for extra factor<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Compatibility<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">For 1.25-inch binoviewers such as the William Optics binoviewer set.<\/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>Magnification factor<\/strong><\/td><td>2x (extending upwards)<\/td><\/tr><tr><td><strong>Assembly<\/strong><\/td><td>Screws into the 1.25-inch binoviewer nosepiece<\/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 2x Barlow lens for binoviewers: threads into the 1.25-inch nosepiece, doubles the magnification, and helps the binoviewer reach focus.<\/p>","protected":false},"featured_media":97595,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[643],"product_cat":[3134,56],"product_tag":[],"class_list":["post-34221","product","type-product","status-publish","has-post-thumbnail","product_brand-william-optics","product_cat-barlow-lenzen-en-focal-extenders","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":[34299],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":34299,"url":"https:\/\/www.telescoop.nl\/en\/william-optics-1-25-inch-binoviewers-met-toebehoren\/","url_meta":{"origin":34221,"position":0},"title":"William Optics Binoviewers with accessories","author":"","date":"17-11-2025","format":false,"excerpt":"William Optics binoviewer set: 1.25-inch binoviewer with BAK4 prisms and FMC coating, two 20 mm eyepieces (66 degrees), 1.6x Barlow, and storage case. Observing with both eyes.","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\/11\/William-Optics-Binoviewers-op-telescoop-te-bevestigen-met-toebehoren-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":107740,"url":"https:\/\/www.telescoop.nl\/en\/televue-2x-125-barlowlens\/","url_meta":{"origin":34221,"position":1},"title":"TeleVue 2x 1.25\" Barlow Lens","author":"Abdullah Ibrar","date":"29-04-2026","format":false,"excerpt":"TeleVue 1.25 inch 2x Barlow lens that doubles magnification without quality loss.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"TeleVue Barlowlens 1,25\", 2x zwarte TeleVue 2x barlowlens met 1,25 inch aansluiting, klemring en groene TeleVue-opdruk op witte achtergrond","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-Barlowlens-1-25-2x.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-Barlowlens-1-25-2x.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-Barlowlens-1-25-2x.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-Barlowlens-1-25-2x.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":92902,"url":"https:\/\/www.telescoop.nl\/en\/omegon-2x-glaswegcorrector-binoviewer-31-8mm\/","url_meta":{"origin":34221,"position":2},"title":"Omegon 2x Glassway Corrector for Binoviewers (31.8 mm)","author":"","date":"07-01-2026","format":false,"excerpt":"Omegon road corrector comes with 1.25\" telescope connector, 2x extension factor and built-in filter thread - ideal for focusing with binoviewers on Newton telescopes and refractors, or for use as a Barlow lens on eyepieces.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-wegcorrector-voor-binoviewers-1-25-2x.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":107753,"url":"https:\/\/www.telescoop.nl\/en\/televue-big-barlow-2-2x-barlowlens\/","url_meta":{"origin":34221,"position":3},"title":"TeleVue Big Barlow 2\" 2x - Barlow Lens","author":"Abdullah Ibrar","date":"29-04-2026","format":false,"excerpt":"TeleVue Big Barlow 2x 2-inch for the large Naglers and Panoptics.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"TeleVue BIG Barlowlens 2\", 2x zwarte 2-inch TeleVue Big Barlow 2x met stelschroef en groene \u201cBIG Barlow\u201d opdruk op witte achtergrond","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-BIG-Barlowlens-2-2x.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-BIG-Barlowlens-2-2x.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-BIG-Barlowlens-2-2x.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-BIG-Barlowlens-2-2x.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":92892,"url":"https:\/\/www.telescoop.nl\/en\/omegon-pro-tritron-binoviewer-31-8mm-binoculairkijker\/","url_meta":{"origin":34221,"position":4},"title":"Omegon Pro Tritron Binoviewer (31.8 mm)","author":"","date":"07-01-2026","format":false,"excerpt":"Omegon Pro Tritron Binoviewer comes with Twist-Lock holder, mirror system with 99% reflection, seven lenses and sturdy transport case - ideal for sharp and relaxed 3D observations of the moon, planets and deep-sky objects without extending the focal point.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Binoviewer-Pro-Tritron-binoculairkijker-1-25-3.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":107309,"url":"https:\/\/www.telescoop.nl\/en\/televue-panoptic-24mm-125-oculair\/","url_meta":{"origin":34221,"position":5},"title":"TeleVue Panoptic 24mm \u2013 1.25\u2033 Eyepiece","author":"Abdullah Ibrar","date":"21-04-2026","format":false,"excerpt":"Panoptic-oculair van 24 mm met het maximale ware beeldveld binnen een 1,25 inch steek.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"TeleVue Oculair Panoptic 24mm 1,25\" productfoto van het 1,25 inch Panoptic 24 mm oculair met geribbelde grip en groene Panoptic-opdruk op witte achtergrond","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-Oculair-Panoptic-24mm-1-25-.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-Oculair-Panoptic-24mm-1-25-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-Oculair-Panoptic-24mm-1-25-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/04\/TeleVue-Oculair-Panoptic-24mm-1-25-.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/34221","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=34221"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/97595"}],"wp:attachment":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=34221"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=34221"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=34221"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=34221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}