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
The open carbon truss construction is the recipe of professional observatories: rigid, light, and thermally stable, with natural ventilation that prevents its own microclimate inside the tube. The built-in 12V fan cools the primary mirror up to twice as fast, so you're working at full sharpness sooner.<\/p>\n\n\n\n De kwartsspiegels houden de focus stabiel bij temperatuurschommelingen: bijstellen is nauwelijks nodig, ook diep in de nacht. De kogelgelagerde 3 inch monorail focuser belicht grootformaat beeldvelden zonder vignettering en de krachtige ventilator verkort de afkoeltijd van de grote spiegel.<\/p>\n\n\n\n Verlengstukken en Losmandy-zwaluwstaart completeren de uitrusting; reken op een observatorium-montering en een vaste opstelling.<\/p>\n<\/div>\n<\/div>\n\n\n\n Het Omegon Pro UHC 2 inch filter (89 euro) haalt emissienevels naar voren en de Omegon Powerbank 10k 12V (39,90 euro) voedt ventilator en camera in de sterrenwacht.<\/p>\n\n\n\n Wel: sterrenwachten en zeer gevorderde astrofotografen die maximale opening per euro in het RC-ontwerp zoeken. Niet: wie de montering maximaal wil ontzien; de Lichtgewicht-uitvoering drukt de spiegelmassa verder omlaag. Twijfel je tussen de modellen? De Choice assistant<\/a> helpt. More Omegon is on the merk page<\/a>.<\/p>\n\n\n\n De Omegon Pro RC 406\/3250 Truss wordt geleverd met open carbon truss-tubus, honingraat-hoofdspiegel van kwarts, 3 inch monorail focuser, krachtige ventilator, verlengstukken en Losmandy-zwaluwstaart: 16 inch voor de scherpste prijs.<\/p>","protected":false},"featured_media":98693,"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-92224","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-telescoop","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":92214,"url":"https:\/\/www.telescoop.nl\/en\/omegon-pro-newton-406-3250-lichtgewicht-truss-ota\/","url_meta":{"origin":92224,"position":0},"title":"Omegon Pro Newton 406\/3250 Lightweight Truss OTA","author":"Info telescoop","date":"03-01-2026","format":false,"excerpt":"De Omegon Pro RC 406\/3250 Lichtgewicht Truss wordt geleverd met open carbon truss-tubus, honingraat-hoofdspiegel van kwarts, 3 inch monorail focuser, krachtige ventilator, Losmandy-zwaluwstaart, drie verlengstukken en instelbare spiegeldrager.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Ritchey-Chretien-Pro-RC-406-3250-lichtgewicht-truss-OTA-7.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":92206,"url":"https:\/\/www.telescoop.nl\/en\/omegon-pro-rc-355-2845-ota\/","url_meta":{"origin":92224,"position":1},"title":"Omegon Pro RC 355\/2845 - Ritchey-Chretien Truss OTA","author":"Info telescoop","date":"03-01-2026","format":false,"excerpt":"De Omegon Pro RC 355\/2845 Truss wordt geleverd met open carbon truss-tubus, hyperbolische kwartsspiegels met honingraatstructuur, 3 inch monorail focuser, krachtige ventilators, verlengstukken en Losmandy-zwaluwstaart.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Ritchey-Chretien-Pro-RC-355-2845-Truss-OTA-5.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":93333,"url":"https:\/\/www.telescoop.nl\/en\/omegon-hoofdspiegel-406mm-f8-ritchey-chretien-spiegelset\/","url_meta":{"origin":92224,"position":2},"title":"Omegon Primary Mirror 406 mm f\/8 Ritchey-Chretien Mirror Set","author":"","date":"10-01-2026","format":false,"excerpt":"Ritchey-Chretien spiegelset van 16 inch (406 mm) bij f\/8, bestaande uit hyperbolische hoofdspiegel en vangspiegel van kwartsglas met 94 procent reflectiecoating. Voor zelfbouw van een RC-trussconstructie.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Hoofdspiegel-16-F-8-Ritchey-Chretien-Spiegelset-2.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":92172,"url":"https:\/\/www.telescoop.nl\/en\/omegon-pro-newton-304-2432-lichtgewicht-truss-ota\/","url_meta":{"origin":92224,"position":3},"title":"Omegon Pro Newton 304\/2432 Lightweight Truss OTA","author":"","date":"03-01-2026","format":false,"excerpt":"The Omegon Pro RC 304\/2432 Lightweight Truss comes with an open carbon truss tube, hyperbolic quartz mirrors, a honeycomb primary mirror, a 3-inch monorail focuser, a fan, three extension tubes, and a Losmandy dovetail.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Ritchey-Chretien-Pro-RC-304-2432-lichtgewicht-truss-OTA-7.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":92182,"url":"https:\/\/www.telescoop.nl\/en\/omegon-pro-newton-304-2432-truss-ota\/","url_meta":{"origin":92224,"position":4},"title":"Omegon Pro Newton 304\/2432 Truss OTA","author":"","date":"03-01-2026","format":false,"excerpt":"De Omegon Pro RC 304\/2432 Truss wordt geleverd met open carbon truss-tubus, hyperbolische kwartsspiegels, 3 inch monorail focuser, ventilator, drie verlengstukken, instelbare spiegeldrager en Losmandy-zwaluwstaart.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Ritchey-Chretien-Pro-RC-304-2432-Truss-OTA-10.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":92196,"url":"https:\/\/www.telescoop.nl\/en\/omegon-pro-newton-355-2845-lichtgewicht-truss-ota\/","url_meta":{"origin":92224,"position":5},"title":"Omegon Pro Newton 355\/2845 Lightweight Truss OTA","author":"","date":"03-01-2026","format":false,"excerpt":"De Omegon Pro RC 355\/2845 Lichtgewicht Truss wordt geleverd met open carbon truss-tubus, honingraat-hoofdspiegel van kwarts, 3 inch monorail focuser, ventilatorsysteem, Losmandy-zwaluwstaart, drie verlengstukken en precisie-collimatie.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Ritchey-Chretien-Pro-RC-355-2845-lichtgewicht-truss-OTA-7.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]}],"_links":{"self":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product\/92224","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/comments?post=92224"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media\/98693"}],"wp:attachment":[{"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/media?parent=92224"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_brand?post=92224"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_cat?post=92224"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.telescoop.nl\/en\/wp-json\/wp\/v2\/product_tag?post=92224"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}![\"Omegon](\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Ritchey-Chretien-Pro-RC-406-3250-Truss-OTA-5.jpg\" "\\"\\"")
<\/figure>\n<\/figure>\n\n\n\n![\"De](\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Ritchey-Chretien-Pro-RC-406-3250-Truss-OTA-4.jpg\" "\\"\\"")
<\/figure>\n<\/div>\n\n\n\nHet slotstuk van de RC-lijn<\/h4>\n\n\n\n
Included<\/h4>\n\n\n\n
\n
Featured accessories<\/h4>\n\n\n\n
For whom yes, for whom no<\/h4>\n\n\n\n
Specifications<\/h4>\n\n\n\n
Feature<\/th> Value<\/th><\/tr><\/thead> Opening<\/td> 406 mm<\/td><\/tr> Focal length<\/td> 3250 mm<\/td><\/tr> Opening ratio<\/td> f\/8<\/td><\/tr> Optical design<\/td> Ritchey-Chr\u00e9tien (hyperbolic quartz mirrors)<\/td><\/tr> Main mirror<\/td> Honeycomb quartz<\/td><\/tr> Tubus<\/td> Open carbon truss<\/td><\/tr> Focuser<\/td> 3-inch monorail<\/td><\/tr> Ventilator<\/td> Krachtige ventilator<\/td><\/tr> Execution<\/td> OTA (loose tube)<\/td><\/tr><\/tbody><\/table><\/figure>","protected":false},"excerpt":{"rendered":"