{"id":26745,"date":"2025-08-26T14:01:44","date_gmt":"2025-08-26T12:01:44","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=26745"},"modified":"2026-03-20T10:59:01","modified_gmt":"2026-03-20T09:59:01","slug":"omegon-extension-piece-17-mm-t2","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/omegon-verlengstuk-17-mm-t2\/","title":{"rendered":"Omegon Extension 17 mm T2"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Omegon Extension 17 mm T2 is a practical solution to create the correct distance in your astrophotography setup. Many correctors, flatteners and reducers only work optimally when the distance to the camera is exactly right. With this extension piece you can easily bridge the missing millimeters.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The extension has a T2 inner thread on one side and a T2 outer thread on the other. So you place it directly between your accessories or camera adapter. Thanks to its length of 17 mm, you can accurately achieve the desired back focus. If necessary, multiple extensions can be combined.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Observation goals<\/strong><br>Ideal for setting the correct distance when using image field levelers, reducers or other T2 compatible accessories. Suitable for astrophotographers who want to precisely tune their optical train.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Specifications<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Telescope side connection: T2 (M42x0.75)<\/li>\n\n\n\n<li>Camera side connection: T2<\/li>\n\n\n\n<li>Optical length: 17 mm<\/li>\n\n\n\n<li>Color: black<\/li>\n\n\n\n<li>Material: aluminum<\/li>\n\n\n\n<li>Type: extension piece<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p data-start=\"106\" data-end=\"469\">\u00a0<\/p>\n<p data-start=\"0\" data-end=\"104\">Omegon Extension 17 mm T2 comes with a T2 inner and outer thread.<\/p>","protected":false},"featured_media":26750,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[126],"product_cat":[587,499,469,56],"product_tag":[],"class_list":["post-26745","product","type-product","status-publish","has-post-thumbnail","product_brand-omegon","product_cat-camera-accessoires","product_cat-adapters","product_cat-astro-fotografie","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":26760,"url":"https:\/\/www.telescoop.nl\/en\/omegon-verlengstuk-30-mm-t2\/","url_meta":{"origin":26745,"position":0},"title":"Omegon Extension 30 mm T2","author":"","date":"26-08-2025","format":false,"excerpt":"\u00a0 Omegon Extension 30 mm T2 comes with a T2 inner and outer thread.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon Verlengstuk 30 mm T2","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-T-schroefdraad-verlengstuk-30mm.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-T-schroefdraad-verlengstuk-30mm.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-T-schroefdraad-verlengstuk-30mm.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-T-schroefdraad-verlengstuk-30mm.jpg?resize=700%2C400&ssl=1 2x, 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T2","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-T-schroefdraad-verlengstuk-7mm.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-T-schroefdraad-verlengstuk-7mm.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-T-schroefdraad-verlengstuk-7mm.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-T-schroefdraad-verlengstuk-7mm.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-T-schroefdraad-verlengstuk-7mm.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-T-schroefdraad-verlengstuk-7mm.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":26868,"url":"https:\/\/www.telescoop.nl\/en\/omegon-t2-adapterring-7-mm\/","url_meta":{"origin":26745,"position":2},"title":"Omegon T2 Adapter Ring 7 mm (female\/female)","author":"","date":"26-08-2025","format":false,"excerpt":"\u00a0 Omegon T2 Adapter Ring 7 mm (female\/female) comes with dual T2 threads.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon T2 Adapterring 7 mm (vrouwelijk\/vrouwelijk)","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Adapter-T2-schroefdraadring-7mm-vrouwelijk-vrouwelijk-.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Adapter-T2-schroefdraadring-7mm-vrouwelijk-vrouwelijk-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Adapter-T2-schroefdraadring-7mm-vrouwelijk-vrouwelijk-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Adapter-T2-schroefdraadring-7mm-vrouwelijk-vrouwelijk-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Adapter-T2-schroefdraadring-7mm-vrouwelijk-vrouwelijk-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Adapter-T2-schroefdraadring-7mm-vrouwelijk-vrouwelijk-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":92819,"url":"https:\/\/www.telescoop.nl\/en\/omegon-t2-verlengstuk-30mm\/","url_meta":{"origin":26745,"position":3},"title":"Omegon T2 Extension - 30mm","author":"","date":"07-01-2026","format":false,"excerpt":"Omegon T2 Extension comes with T2 (M42x0.75) internal and external threads, optical length of 30mm and compact aluminum design - ideal for extending the distance between camera and telescope in astrophotography.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":92822,"url":"https:\/\/www.telescoop.nl\/en\/omegon-t2-verlengstuk-21mm-2-inch-aansluiting\/","url_meta":{"origin":26745,"position":4},"title":"Omegon T2 Extension with 2 inch Connection (21 mm)","author":"","date":"07-01-2026","format":false,"excerpt":"Omegon T2 Extensions come with T2 internal and external threads and 2\" connection, with an optical length of 21mm - ideal for parfocalization of guide cameras or creating additional back focus in photo adapters and astrophotography.","rel":"","context":"Similar post","block_context":{"text":"Similar 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