{"id":26687,"date":"2025-08-26T11:49:17","date_gmt":"2025-08-26T09:49:17","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=26687"},"modified":"2026-09-04T14:01:51","modified_gmt":"2026-09-04T12:01:51","slug":"omegon-125-extension-sleeve-30-mm","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/omegon-125-verlenghuls-30-mm\/","title":{"rendered":"Omegon 1.25 inch Extension Tube 30 mm"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>Omegon 1.25-inch Extension Tube 30 mm: 30 mm extra focusing travel<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">This extension tube adds 30 mm between the focuser and accessory, for situations where the focuser itself cannot reach the required distance. This occurs with Newtonian telescopes without sufficient outward travel and in setups where a star diagonal has been omitted.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">It slides into the focuser like an eyepiece and accepts a 1.25-inch accessory itself on the top.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Verlengstuk-1-25-verlenghuls-30mm.jpg\" alt=\"Omegon 1.25-inch extension tube with 30 mm optical length\" title=\"\"><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Features<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Telescope side and accessory side 1.25 inch<\/li><li>Optical length 30 mm<\/li><li>Aluminum, black<\/li><li>Dimensions 31.7 x 31.7 x 33 mm<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Compatibility<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">For telescopes and accessories with 1.25-inch connection. There is a second Omegon version of this size (the 1.25-inch extension 30 mm) with almost the same function.<\/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>Telescope silk<\/strong><\/td><td>1.25 inches<\/td><\/tr><tr><td><strong>Accessory side<\/strong><\/td><td>1.25 inches<\/td><\/tr><tr><td><strong>Optical length<\/strong><\/td><td>30 mm<\/td><\/tr><tr><td><strong>Dimensions<\/strong><\/td><td>31.7 x 31.7 x 33 mm<\/td><\/tr><tr><td><strong>Material<\/strong><\/td><td>Aluminum, black<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">You can find more adapters for this merk on the <a href=\"\/en\/brands\/omegon\/\">Omegon merk Page<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Verlenghuls van 1,25 inch met 30 mm optische lengte, voor het bereiken van het scherpstelpunt met oculairs en camera&#8217;s.<\/p>","protected":false},"featured_media":26692,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[126],"product_cat":[499,469,3104,56],"product_tag":[],"class_list":["post-26687","product","type-product","status-publish","has-post-thumbnail","product_brand-omegon","product_cat-adapters","product_cat-astro-fotografie","product_cat-overige-astrofotografie-accessoires","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":25767,"url":"https:\/\/www.telescoop.nl\/en\/omegon-verlengstuk-125-inch-30-mm\/","url_meta":{"origin":26687,"position":0},"title":"Omegon 1.25 inch 30mm Extension Tube","author":"","date":"25-08-2025","format":false,"excerpt":"1.25 inch extension with 30 mm length and side set screw. For telescopes where the focus point is out of reach of the focuser.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon Verlengstuk 1,25\" \u2013 30 mm","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Adapters-1-25-30mm-verlengbuis.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Adapters-1-25-30mm-verlengbuis.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Adapters-1-25-30mm-verlengbuis.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Adapters-1-25-30mm-verlengbuis.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Adapters-1-25-30mm-verlengbuis.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Adapters-1-25-30mm-verlengbuis.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":26711,"url":"https:\/\/www.telescoop.nl\/en\/omegon-2-verlenghuls-45-mm\/","url_meta":{"origin":26687,"position":1},"title":"Omegon 2 inch Extension Tube 45 mm","author":"","date":"26-08-2025","format":false,"excerpt":"Verlenghuls van 2 inch met 45 mm optische lengte, ringklem en anti-reflectiegleuven. Brengt oculair of camera op scherpstelafstand.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon 2\" Verlenghuls 45 mm","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Verlengstuk-45mm-Extender-2-.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Verlengstuk-45mm-Extender-2-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Verlengstuk-45mm-Extender-2-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Verlengstuk-45mm-Extender-2-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Verlengstuk-45mm-Extender-2-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Verlengstuk-45mm-Extender-2-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":26693,"url":"https:\/\/www.telescoop.nl\/en\/omegon-2-verlenghuls-35-mm\/","url_meta":{"origin":26687,"position":2},"title":"Omegon 2-inch Extension Tube 35mm","author":"","date":"26-08-2025","format":false,"excerpt":"Verlenghuls van 2 inch met 35 mm optische lengte, ringklem en anti-reflectiegleuven. Brengt oculair of camera op scherpstelafstand.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon 2\" Verlenghuls 35 mm ","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-2-verlengstuk-lengte-35mm.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-2-verlengstuk-lengte-35mm.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-2-verlengstuk-lengte-35mm.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-2-verlengstuk-lengte-35mm.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-2-verlengstuk-lengte-35mm.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-2-verlengstuk-lengte-35mm.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":26699,"url":"https:\/\/www.telescoop.nl\/en\/omegon-2-verlenghuls-50-mm\/","url_meta":{"origin":26687,"position":3},"title":"Omegon 2-inch Extension Tube 50 mm","author":"","date":"26-08-2025","format":false,"excerpt":"Verlenghuls van 2 inch met 50 mm optische lengte, ringklem en anti-reflectiegleuven. 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