{"id":92127,"date":"2026-01-03T16:30:23","date_gmt":"2026-01-03T15:30:23","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=92127"},"modified":"2026-07-17T16:07:09","modified_gmt":"2026-07-17T14:07:09","slug":"omegon-pro-rc-250-2000-ota","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/omegon-pro-rc-250-2000-ota\/","title":{"rendered":"Omegon Pro RC 250\/2000 OTA"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\">Omegon Pro RC 250\/2000 OTA: de grootste RC met volle buis<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">The <strong>Omegon Pro RC 250\/2000<\/strong> is de grootste RC met gesloten buis van het assortiment: 250 mm hyperbolische kwartsoptiek (f\/8) in carbon, met een 3 inch roteerbare focuser en tilt-adapter. Twee meter brandpunt en tien inch opening: de beeldschaal en het licht voor sterrenstelsels en planetaire nevels op observatorium-niveau.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">A Ritchey-Chr\u00e9tien uses two hyperbolic mirrors: the design of virtually every professional observatory. The result is a large, coma-free field of view without a corrector: stars remain round all the way to the edges of the sensor.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Carbon-Volledige-buis-Ritchey-Chretien-Pro-RC-250-2000-OTA-4.jpg\" alt=\"Omegon Pro RC 250\/2000 carbon Ritchey-Chr\u00e9tien\" title=\"\"><\/figure>\n<\/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:50%\">\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Carbon-Volledige-buis-Ritchey-Chretien-Pro-RC-250-2000-OTA-3.jpg\" alt=\"De 3 inch roteerbare focuser van de Omegon RC 250\" 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:50%\">\n<h4 class=\"wp-block-heading\">3 inch focuser: groot veld, exacte framing<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">De 3 inch focuser belicht ook grote sensoren zonder vignettering en roteert voor de juiste beelduitsnede zonder de camera-trein te demonteren. De tilt-adapter lijnt de sensor exact haaks uit en de kwartsspiegels houden het brandpunt stabiel bij temperatuurwisselingen.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De interne baffles houden het contrast hoog; de Losmandy-zwaluwstaart hoort op een zware montering in de EQ8-klasse.<\/p>\n<\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\">Included<\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ritchey-Chr\u00e9tien optiek 250\/2000 met hyperbolische kwartsspiegels<\/li>\n\n\n<li>Carbonbuis<\/li>\n\n\n<li>3 inch roteerbare focuser<\/li>\n\n\n<li>Tilt adapter<\/li>\n\n\n<li>Ge\u00efntegreerde baffles<\/li>\n\n\n<li>Losmandy dovetail<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Featured accessories<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Het Omegon Pro UHC 2 inch filter (89 euro) haalt emissienevels naar voren en de Omegon Powerbank 10k 12V (39,90 euro) voedt de opstelling op locatie.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">For whom yes, for whom no<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Wel: veeleisende astrofotografen en kleine sterrenwachten die maximale beeldschaal in een gesloten buis willen. Niet: wie naar 12 inch en groter wil; daar begint de truss-lijn, met betere ventilatie en minder gewicht per centimeter opening. Twijfel je tussen de modellen? De <a href=\"\/en\/telescope-selection-aid\/\">Choice assistant<\/a> helpt. More Omegon is on the <a href=\"\/en\/brands\/omegon\/\">merk page<\/a>.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Specifications<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Feature<\/th><th>Value<\/th><\/tr><\/thead><tbody><tr><td>Opening<\/td><td>250 mm<\/td><\/tr><tr><td>Focal length<\/td><td>2000 mm<\/td><\/tr><tr><td>Opening ratio<\/td><td>f\/8<\/td><\/tr><tr><td>Optical design<\/td><td>Ritchey-Chr\u00e9tien (hyperbolic quartz mirrors)<\/td><\/tr><tr><td>Tubus<\/td><td>Carbon<\/td><\/tr><tr><td>Focuser<\/td><td>3 inch, roteerbaar, met tilt-adapter<\/td><\/tr><tr><td>Dovetail<\/td><td>Losmandy<\/td><\/tr><tr><td>Execution<\/td><td>OTA (loose tube)<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"<p>De Omegon Pro RC 250\/2000 wordt geleverd met 3 inch roteerbare focuser, hyperbolische kwartsspiegels, Losmandy-zwaluwstaart, tilt-adapter, ge\u00efntegreerde baffles en carbonbuis: de grootste RC met volle buis.<\/p>","protected":false},"featured_media":98606,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[126],"product_cat":[51,428,531,2972,3167],"product_tag":[],"class_list":["post-92127","product","type-product","status-publish","has-post-thumbnail","product_brand-omegon","product_cat-telescopen","product_cat-telescopen-voor-astrofotografie","product_cat-gevorderd","product_cat-reflector-telescopen","product_cat-ritchey-chretien-telescopen","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":[25035,93445],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":92160,"url":"https:\/\/www.telescoop.nl\/en\/omegon-pro-newton-250-2000-ota\/","url_meta":{"origin":92127,"position":0},"title":"Omegon 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