{"id":26723,"date":"2025-08-26T12:53:19","date_gmt":"2025-08-26T10:53:19","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=26723"},"modified":"2026-03-20T10:11:04","modified_gmt":"2026-03-20T09:11:04","slug":"omegon-t2-extension-ring-15-mm","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/omegon-t2-verlengring-15-mm\/","title":{"rendered":"Omegon T2 Extension Ring 15 mm"},"content":{"rendered":"<p class=\"wp-block-paragraph\">The Omegon T2 Extension Ring 15 mm is a practical tool to elegantly solve distance problems in astrophotography. With this ring you create exactly the required back focus for reducers, flatteners or image field equalizers. It is also suitable for accurately adjusting the image scale of your optical system.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thanks to the T2 inner and outer threads, the ring can be easily combined with other adapters or extension pieces. By combining several rings in different lengths, you put together the perfect optical distance yourself.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Observation goals<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Ideal for astrophotographers who want to achieve proper back focus or image scale. Suitable for all cameras and accessories with T2 connection.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Specifications<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Telescope connection: T2<\/li>\n\n\n\n<li>Camera side: T2<\/li>\n\n\n\n<li>Optical length: 15 mm<\/li>\n\n\n\n<li>Dimensions (LxWxH): 46 \u00d7 46 \u00d7 19 mm<\/li>\n\n\n\n<li>Color: black<\/li>\n\n\n\n<li>Type: Adapter<\/li>\n\n\n\n<li>Design: Extension<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p data-start=\"319\" data-end=\"638\">\u00a0<\/p>\n<p data-start=\"222\" data-end=\"317\"><strong data-start=\"222\" data-end=\"317\">Omegon T2 Extension Ring 15 mm comes with T2 internal and external threads (M42x0.75).<\/strong><\/p>","protected":false},"featured_media":26728,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[126],"product_cat":[587,499,469,3105,56],"product_tag":[],"class_list":["post-26723","product","type-product","status-publish","has-post-thumbnail","product_brand-omegon","product_cat-camera-accessoires","product_cat-adapters","product_cat-astro-fotografie","product_cat-optische-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":26739,"url":"https:\/\/www.telescoop.nl\/en\/omegon-t2-verlengring-75-mm\/","url_meta":{"origin":26723,"position":0},"title":"Omegon 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mm","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Verlengstuk-T2-tussenring-40mm-T2i-T2a.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-T2-tussenring-40mm-T2i-T2a.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Verlengstuk-T2-tussenring-40mm-T2i-T2a.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Verlengstuk-T2-tussenring-40mm-T2i-T2a.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Verlengstuk-T2-tussenring-40mm-T2i-T2a.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Verlengstuk-T2-tussenring-40mm-T2i-T2a.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":26754,"url":"https:\/\/www.telescoop.nl\/en\/omegon-verlengstuk-7-mm-t2\/","url_meta":{"origin":26723,"position":2},"title":"Omegon Extension 7 mm T2","author":"","date":"26-08-2025","format":false,"excerpt":"\u00a0 Omegon Extension 7 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 7 mm 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, 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Zoll","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/Omegon-Variabele-camera-adapter-2-.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/Omegon-Variabele-camera-adapter-2-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/Omegon-Variabele-camera-adapter-2-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/Omegon-Variabele-camera-adapter-2-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/Omegon-Variabele-camera-adapter-2-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/07\/Omegon-Variabele-camera-adapter-2-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":26745,"url":"https:\/\/www.telescoop.nl\/en\/omegon-verlengstuk-17-mm-t2\/","url_meta":{"origin":26723,"position":4},"title":"Omegon Extension 17 mm T2","author":"","date":"26-08-2025","format":false,"excerpt":"\u00a0 Omegon Extension 17 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 17 mm T2","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-T-schroefdraad-verlengstuk-17mm.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-17mm.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-T-schroefdraad-verlengstuk-17mm.jpg?resize=525%2C300&ssl=1 1.5x, 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