{"id":26754,"date":"2025-08-26T14:05:23","date_gmt":"2025-08-26T12:05:23","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=26754"},"modified":"2026-03-20T10:59:01","modified_gmt":"2026-03-20T09:59:01","slug":"omegon-extension-piece-7-mm-t2","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/omegon-verlengstuk-7-mm-t2\/","title":{"rendered":"Omegon Extension 7 mm T2"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Omegon Extension 7 mm T2 is designed to allow minor corrections in the optical distance of your astrophotography setup. Many correctors, flatteners and reducers require a fixed back focus. This 7 mm extension piece allows you to tune that distance down to the millimeter.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The extension has a T2 inner thread and a T2 outer thread, making it easy to place between your existing accessories and camera adapter. For more flexibility, you can combine this extension piece with other variants so that you always achieve the right distance.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Observation goals<\/strong><br>Suitable for astrophotographers who want to set a very precise backfocus when using T2-compatible accessories.<\/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: 7 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=\"251\" data-end=\"575\">\u00a0<\/p>\n<p data-start=\"132\" data-end=\"249\">Omegon Extension 7 mm T2 comes with a T2 inner and outer thread.<\/p>","protected":false},"featured_media":26759,"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-26754","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":26745,"url":"https:\/\/www.telescoop.nl\/en\/omegon-verlengstuk-17-mm-t2\/","url_meta":{"origin":26754,"position":0},"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, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-T-schroefdraad-verlengstuk-17mm.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-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, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-T-schroefdraad-verlengstuk-30mm.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-T-schroefdraad-verlengstuk-30mm.jpg?resize=1400%2C800&ssl=1 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https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Verlengstuk-T2-tussenring-15mm-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-15mm-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-15mm-T2i-T2a.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":26739,"url":"https:\/\/www.telescoop.nl\/en\/omegon-t2-verlengring-75-mm\/","url_meta":{"origin":26754,"position":3},"title":"Omegon T2 Extension Ring 7.5 mm","author":"","date":"26-08-2025","format":false,"excerpt":"\u00a0 Omegon T2 Extension Ring 7.5 mm is supplied with T2 internal and external threads (M42x0.75).","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon T2 Verlengring 7,5 mm","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Verlengstuk-T2-tussenring-7-5-mm-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-7-5-mm-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-7-5-mm-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-7-5-mm-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-7-5-mm-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-7-5-mm-T2i-T2a.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":92822,"url":"https:\/\/www.telescoop.nl\/en\/omegon-t2-verlengstuk-21mm-2-inch-aansluiting\/","url_meta":{"origin":26754,"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 post","link":""},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":26729,"url":"https:\/\/www.telescoop.nl\/en\/omegon-t2-verlengring-40-mm\/","url_meta":{"origin":26754,"position":5},"title":"Omegon T2 Extension Ring 40 mm","author":"","date":"26-08-2025","format":false,"excerpt":"\u00a0 Omegon T2 Extension Ring 40 mm is supplied with T2 internal and external threads (M42x0.75).","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon T2 Verlengring 40 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, 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