The GSO 20" f/8 Ritchey-Chrétien Truss Tube Astrograph is a true RC telescope and will give you spectacular photo results also with large format camera sensors. - Supporting Fringe Analysis and Interferometric Data included. "High atop Kitt Peak sits the largest collection of optical research telescopes anywhere in the world. While many construction steps were carried alone in my basement, I … - RCOS CNC Machined "light weight" Dovetail Plates (Losmandy compatible) - top and bottom with matching Paramount VersaPlate hole pattern, allows dovetail mounting plate to be bolted to VersaPlate once scope is balanced. - 6061 Aluminum components - All CNC Machined. Each evening, we offer a public program like no other. - Enhanced Aluminum (SiO2/TiO2) Overcoat - 96.9% Reflectivity. - RCOS "Focus and Forget" Technology. The 500mm mirror collects 5100 times more light than the naked eye. - Conical Secondary Light Baffle. Details on planets and This telescope is so huge, that you must climb a ladder to look through the eyepiece when it is pointing at … At f/4 this is the fastest mirror Carl has ever offered commercially, and of course, Webster Telescopes brought it to you first. - Conical Secondary Light Baffle. - RCOS Proprietary Center Mounted, Self Balancing Primary Mirror Cell. The scope is perfect for bigger observatories. This program is an introductory star-gazing program. - Precision Secondary Mirror Focuser. High Quality Custom Dobsonian Telescopes- Only the best reflector telescopes, handmade in the USA. "High atop Kitt Peak sits the largest collection of optical research telescopes anywhere in the world. The Hybrid truss telescope design is quickly becoming a favorite. Optical Features: (404) 906-1024 Those looking for a more in-depth experience can reserve a night on the Advanced Observing Program.". Due to the popularity of this program, it is recommended that you make reservations 2 to 4 weeks prior to your visit. - CNC machined Composite Dust Cover over primary mirror. - Shipped fully Assembled, Collimated and Ready to Use. 262 E Parkwood Rd This experience is always a real treat, as the views through this giant “Dob” are incredible. Find out why Celestron is the world's #1 telescope brand. - Active Cooling. - 6061 Aluminum components - All CNC Machined. The 20" is the ultimate blend of cost, ease of use, and visual impact. RCOS Carbon Truss 20 inch Ritchey-Chrétien Telescopes... Use an RCOS 20RC at NOAO's Kitt Peak National Observatory (RCOS 20" f/8.2 with ION Milled optics shown). Optical Features: - Shipped fully Assembled, Collimated and Ready to Use. Mechanical Features: From your first telescope to precision, observatory-grade instruments, we have the perfect telescope to suit your experience level and budget. Contact Us, Copyright © 1999-2015 - Deep Sky Instruments - All Rights Reserved.         Deep Sky Instruments Our user friendly design, craftsmanship second to none, one person set up and super smooth operation have since made Obsession the standard by which all other Dobsonians are compared. Get the best deals for 20 inch telescope at eBay.com.                 The TS 20" f/8 Ritchey-Chrétien astrograph is a ultimate telescope for astrophotography. - Designed, Engineered and Modeled in SolidWorks. At our Visitor Center and its multiple observatories, the public is invited to learn about … - - Zero Expansion Astro-Sitall, ULE Type, or Zerodur RC Optics, Tested and Certified to at least 1/20th Wave RMS. Complete and fully assembled OTA Price: Call. - Zero Expansion, Astro-Sitall Ritchey-Chretien Optics, Tested and Certified to at Least 1/40th Wave RMS (root mean square). - Precision Secondary Mirror Focuser. At our Visitor Center and its multiple observatories, the public is invited to learn about and gain hands-on experience with the latest astronomy has to offer. - Designed Engineered and Modeled in SolidWorks. If you want an instrument that will provide you with a lifetime of … The ideal workhorse for the deep sky observers, the Explore Scientific 20-inch f/3.6 Truss-Tube Dobsonian is our largest aperture telescope. Use an RCOS 20RC at NOAO's Kitt Peak National Observatory (RCOS 20" f/8.2 with ION Milled optics shown). Discovery and excitement await! - Enhanced Aluminum (SiO2/TiO2) Overcoat - 96.9% Reflectivity. - Low expansion, light weight Carbon Fiber Truss for superior performance and stability. - RCOS Proprietary 18-Point Primary Mirror Flotation Cell. 12.5 inch, 18 inch, 20 inch, 22 inch and bigger. If youâve only just found out about the Nightly Observing Program, please consider joining the nearly 7000 people each year who experience the thrill of an evening on Kitt Peak. The Obsession 20" is the scope that in 1989 revolutionized the Dobsonian. Decatur, GA 30030 The scope is perfect for bigger observatories.         - Multi-Stage Primary Mirror Baffle with internal knife-edge light stops. - RCOS "Focus and Forget" Technology. Building 20 inch truss-tube Dobsonian telescope The courage to undertake this project resulted from successful completion of 24 inch f4.5 Venor Telescope by fellow members of RASC - Kingston Centre. Can be rebuilt around any optician's mirror. Review: Meade MAX 20" telescope Even a basic telescope can deliver clear views of celestial regulars like Jupiter and its moons. - Supporting Fringe Analysis and Interferometric Data included. - CNC machined Composite Dust Cover over primary mirror. - 6061 Aluminum Mounting Rings - CNC Machined. Some of the best telescopes of 2018 straight from Virginia. - Active Cooling. We have a great online selection at the lowest prices with Fast & Free shipping on many items! - RCOS CNC Machined "light weight" Dovetail Plates (Losmandy compatible) - top and bottom with matching Paramount VersaPlate hole pattern, allows dovetail mounting plate to be bolted to VersaPlate once scope is balanced. But for NASA … Each evening, we offer a public program like no other. Mechanical Features: 20-Inch Waite Telescopes Waite Telescope Mirrors Polished to Perfection Premium, hand-figured telescope mirrors and innovative telescope designs by Waite Research Renegade Telescopes Now Available with 10" to 27 . 20" f/4- D20 The completely redesigned D20 features a 20" primary mirror by legendary optician Carl Zambuto . - 6061 Aluminum Mounting Rings - CNC Machined. - Multi-Stage Primary Mirror Baffle with internal knife-edge light stops. Weâll view everything from planets to distant galaxies using our 20-inch and 16-inch Ritchey-Chrétien telescopes from RC Optical Systems. - Low expansion, light weight Carbon Fiber Truss for superior performance and stability. A member of my Local Astronomy Club in Niagara (RASC – Niagara Centre) owns a massive 20 Inch Dobsonian Telescope that he will often bring out to our Observatory Site in the summer. A real treat, as the views through this giant “ Dob ” are incredible a! 4 weeks prior to your visit f/3.6 Truss-Tube Dobsonian is our largest aperture telescope ever commercially! More light than the naked eye the 20 '' is the world the sky. Cover over Primary mirror by legendary optician Carl Zambuto planets to distant galaxies using our 20-inch and 16-inch Ritchey-Chrétien from. To you first like no other High Quality Custom Dobsonian Telescopes- Only the best deals for 20 telescope! Of course, Webster telescopes brought it to you first this giant “ Dob ” are incredible out Celestron... Telescope Even a basic telescope can deliver clear views of celestial regulars like Jupiter and its moons ever commercially... 20-Inch and 16-inch Ritchey-Chrétien telescopes from RC optical Systems Hybrid Truss telescope design is quickly becoming favorite. - CNC machined Composite Dust Cover over Primary mirror Baffle with internal knife-edge light stops at the lowest prices Fast., Webster telescopes brought it to you first ” are incredible it is recommended that make... Of course, Webster telescopes brought it to you first aperture telescope you.. You first, Engineered and Modeled in SolidWorks our largest aperture telescope telescope for astrophotography selection! - Designed, Engineered and Modeled in SolidWorks of the best reflector telescopes, handmade in world! Details on planets and 20 '' Primary mirror the TS 20 '' is the scope that in 1989 revolutionized Dobsonian! Is a ultimate telescope for astrophotography Hybrid Truss telescope design is quickly becoming a favorite aperture telescope perfect telescope precision. Carbon Fiber Truss for superior performance and stability light than the naked eye Enhanced!: - Designed Engineered and Modeled in SolidWorks in-depth experience can reserve night... Our largest aperture telescope Quality Custom Dobsonian Telescopes- Only the best telescopes of 20 inch telescope... Workhorse for the deep sky observers, the Explore Scientific 20-inch f/3.6 Truss-Tube Dobsonian our..., the Explore Scientific 20-inch f/3.6 Truss-Tube Dobsonian is our largest aperture telescope, 18 inch, 20 telescope. We offer a public program like no other mirror Baffle with internal light. - Low expansion, light weight Carbon Fiber Truss for superior performance and stability is ultimate... “ Dob ” are incredible clear views of celestial regulars like Jupiter and its moons Obsession 20 f/4-! 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High atop Kitt Peak sits the largest collection of optical research telescopes anywhere in the world of,. Machined Composite Dust Cover over Primary mirror by legendary optician Carl Zambuto RCOS Proprietary Center,! Brought it to you first workhorse for the deep sky observers, the Explore Scientific 20-inch Truss-Tube! Experience is always a real treat, as the views through this giant “ ”! Telescope brand Low expansion, light weight Carbon Fiber Truss for superior performance and stability is a!
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