{"id":26433,"date":"2025-08-26T09:31:55","date_gmt":"2025-08-26T07:31:55","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=26433"},"modified":"2026-09-04T14:01:15","modified_gmt":"2026-09-04T12:01:15","slug":"omegon-pro-reducer-25-08x-fullframe-for-rc-telescopes","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/omegon-pro-reducer-25-08x-fullframe-voor-rc-telescopen\/","title":{"rendered":"Omegon Pro Reducer 2.5 inch 0.8x Full Frame for RC Telescopes"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>Omegon Pro Reducer 2.5-inch 0.8x Full Frame for RC Telescopes: full-frame reduction for the larger RC<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Where the 2-inch RC reducer serves smaller sensors, this 2.5-inch version is designed for full-frame. The generous clear aperture illuminates the entire sensor without vignetting and the three-element optics keep stars round right into the corners.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The 0.8 focal reducer brings an f\/8 RC to f\/6.4: almost forty percent shorter exposure times and a wider field, without purchasing another tube.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Pro-reducer-2-5-inch-0-8t-fullframe-voor-RC.jpg\" alt=\"Omegon Pro reducer 2.5 inch 0.8x full-frame for Ritchey-Chr\u00e9tien telescopes\" title=\"\"><\/figure><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Pro-reducer-2-5-inch-0-8t-fullframe-voor-RC-1.jpg\" alt=\"Omegon Pro reducer 2.5 inch 0.8x full-frame for Ritchey-Chr\u00e9tien telescopes\" title=\"\"><\/figure><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Pro-reducer-2-5-inch-0-8t-fullframe-voor-RC-2.jpg\" alt=\"Omegon Pro reducer 2.5 inch 0.8x full-frame for Ritchey-Chr\u00e9tien telescopes\" title=\"\"><\/figure><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Pro-reducer-2-5-inch-0-8t-fullframe-voor-RC-3.jpg\" alt=\"Omegon Pro reducer 2.5 inch 0.8x full-frame for Ritchey-Chr\u00e9tien telescopes\" title=\"\"><\/figure><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Pro-reducer-2-5-inch-0-8t-fullframe-voor-RC-4.jpg\" alt=\"Omegon Pro reducer 2.5 inch 0.8x full-frame for Ritchey-Chr\u00e9tien telescopes\" title=\"\"><\/figure><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Pro-reducer-2-5-inch-0-8t-fullframe-voor-RC-5.jpg\" alt=\"Omegon Pro reducer 2.5 inch 0.8x full-frame for Ritchey-Chr\u00e9tien telescopes\" title=\"\"><\/figure><\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8d39b2df wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:38%\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Pro-reducer-2-5-inch-0-8t-fullframe-voor-RC-1.jpg\" alt=\"Omegon Pro reducer 2.5 inch 0.8x full-frame for Ritchey-Chr\u00e9tien telescopes\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:62%\">\n<h4 class=\"wp-block-heading\">Three lenses, fully multicoated<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">The three-lens system corrects field curvature while reducing. The full multi-coating keeps reflections of bright field stars out of the image.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-8d39b2df wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:38%\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Pro-reducer-2-5-inch-0-8t-fullframe-voor-RC-2.jpg\" alt=\"Omegon Pro reducer 2.5 inch 0.8x full-frame for Ritchey-Chr\u00e9tien telescopes\" title=\"\"><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:62%\">\n<h4 class=\"wp-block-heading\">For the larger RC tubes<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">De 2,5 inch bouw sluit aan op de ruimere focusers van grotere RC&#8217;s, waar een 2 inch reducer de lichtbundel al zou afknijpen voordat de sensor bereikt is.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\">Included<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Pro Reducer 2.5 inch<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Featured accessories<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Voor Ritchey-Chretien telescopen met een 2,5 inch of ruimere aansluiting en fullframe-camera&#8217;s. Houd de voorgeschreven sensorafstand aan voor correctie tot in de hoeken.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">For whom yes and for whom no<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>\u2713 RC-bezitters met fullframe-camera&#8217;s<\/li><li>\u2713 Who is looking for shorter exposure times on a large RC<\/li><li>\u2713 Astrophotographers experiencing vignetting with 2-inch reducers<\/li><li>\u2717 Kleinere sensoren op kleinere RC&#8217;s: de 2 inch uitvoering volstaat<\/li><li>\u2717 Visual observers: this is a photographic reducer<\/li><\/ul>\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>Suitable for<\/strong><\/td><td>Ritchey-Chr\u00e9tien telescopes<\/td><\/tr><tr><td><strong>Reduction factor<\/strong><\/td><td>0.8x (f\/8 to f\/6.4)<\/td><\/tr><tr><td><strong>Format<\/strong><\/td><td>2.5-inch<\/td><\/tr><tr><td><strong>Sensor format<\/strong><\/td><td>Full-frame dead<\/td><\/tr><tr><td><strong>Optics<\/strong><\/td><td>3 lenses, fully multi-coated<\/td><\/tr><tr><td><strong>Weight<\/strong><\/td><td>400 g<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">You can find more correctors and reducers for this merk on the <a href=\"\/en\/brands\/omegon\/\">Omegon merk Page<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>2.5-inch 3-element 0.8x reducer for Ritchey-Chr\u00e9tien telescopes, optimized for full-frame sensors.<\/p>","protected":false},"featured_media":26436,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[126],"product_cat":[469,3105,3104,3106,56],"product_tag":[],"class_list":["post-26433","product","type-product","status-publish","has-post-thumbnail","product_brand-omegon","product_cat-astro-fotografie","product_cat-optische-accessoires","product_cat-overige-astrofotografie-accessoires","product_cat-reducers","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":26403,"url":"https:\/\/www.telescoop.nl\/en\/omegon-pro-reducer-0-75x-voor-rc-telescopen\/","url_meta":{"origin":26433,"position":0},"title":"Omegon Pro Reducer 0.75x for RC Telescopes","author":"","date":"25-08-2025","format":false,"excerpt":"0.75x reducer for Ritchey-Chretien telescopes: from f\/8 to f\/6. 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