The combination of high altitude bearings with optimized aluminum structures allows fine adjustment flows at high magnifications. The 500mm mirror collects 5100 times more light than … Before the introduction of the Dobsonian by John Dobson, the vast majority of amateur telescopes consisted of small telescopes with primitive mechanics - barely enough to see the polar caps of Mars or the rings of Saturn. Details on planets and deep sky objects will be visible even for inexperienced observers. Includes 2.5" HEX focuser with helical gearing and 10:1 reduction; LED Red Dot Finder, collimation assist tool; soft light baffle and two radial main mirror fans for fast temperature equilibrium. Every main mirror is delivered with an individual optical test certificate, which guarantees the highest capacity. Details on planets and deep sky objects will be visible even for inexperienced observers. Disassembly of the scope without tools ensures a trouble-free transport of this great scope even in small cars. Explore Scientific - Generation II - 20-inch Truss Tube Dobsonian Telescope - DOB2036-00 Explore Scientific (Please note: This is a special order item with an estimated delivery time of 90 days.) (Please note: This is a special order item with an estimated delivery time of 90 days.). Details about EXPLORE SCIENTIFIC - 16 INCH TRUSS TUBE DOBSONIAN TELESCOPE - GENERATION II. A laser engraved center mark of the main mirror allows easy adjustment. This has made it possible for us to produce this 20" light weight Dobsonian so unbelievably stiff in spite of the low weight - a noticeably good quality which is begging you to take one home. Click Here to register. Includes 2.5" HEX focuser with helical gearing and 10:1 reduction; LED Red Dot Finder, collimation assist tool; soft light baffle and two radial main mirror fans for fast temperature equilibrium. The lateral altitude wheels can now be stowed comfortably in the foam layers of the mirror box. A photo of me looking through a 20″ Dobsonian Telescope. This has made it possible for us to produce this 20" light weight Dobsonian so unbelievably stiff in spite of the low weight - a noticeably good quality which is begging you to take one home. The 6 supporting feet underneath the rocker box offers perfect stability and guarantees smooth tracking in azimuth. All connections of the tube structure were made in the TIG welding process and no rivets and screws were used. The mirror overcomes frequently occurring dew fogging and cleanups without damage and guarantees a long service life. A complete redesign of this Dobsonian was necessary to ensure the significantly increased requirements to stiffness and load bearing capacity of the optical components. Sky Watcher Classic 200 Dobsonian 8-inch Aperature Telescope – Solid-Tube – Simple, Traditional Design – Easy to Use, Perfect for Beginners, White (S11610) 4.0 out of 5 stars 109. Limited Warranty is one year, which converts to the Explore STAR Transferrable Product Warranty when product is registered within 60 days of purchase. Nowhere do you get as much light for your money like a good Dobson. Details on planets and deep sky objects will be visible even for inexperienced observers. A member of my Local Astronomy Club in Niagara (RASC – Niagara Centre) owns a massive 20 Inch Dobsonian … The combination of high altitude bearings with optimized aluminum structures allows fine adjustment flows at high magnifications. The ideal workhorse for the deep sky observers, the Explore Scientific 20-inch f/3.6 Truss-Tube Dobsonian is our largest aperture telescope. All connections of the tube structure were made in the TIG welding process and no rivets and screws were used. The 500mm mirror collects 5100 times more light than the naked eye. - 866-252-3811, Explore Scientific - Generation II - 20-inch Truss Tube Dobsonian Telescope - DOB2036-00, iEXOS-100 PMC-Eight GoTo Equatorial Tracker Mount, iEXOS-100 HD PMC-Eight GoTo Equatorial Tracker Mount System, Losmandy G-11 PMC-Eight GoTo Equatorial Mount, Directory of Astrophotography Ambassadors, Explore Alliance Astrophotography Contest, Explore Scientific ED102-FCD100 Series Air-Spaced Triplet Refractor Telescope - FCD100-10207-01, Explore FirstLight 80mm Go-To Tracker Combo, Explore Scientific ED80 Essential Series Air-Spaced Triplet Refractor - ES-ED0806-01, Explore Scientific AR102 Air-Spaced Doublet Refractor - DAR102065-01, How to Choose and Eyepieces for Any Telescope, Mirror weight can vary because of the manufacturing process; these values are approximate. EXPLORE SCIENTIFIC - 16 INCH TRUSS TUBE DOBSONIAN TELESCOPE - GENERATION II ... Last updated on 20 … The optical surface has a high-quality aluminum coating with 94% reflectivity and an extremely resistant quartz protection layer. The optical surface has a high-quality aluminum coating with 94% reflectivity and an extremely resistant quartz protection layer. Details on planets and deep sky objects will be visible even for inexperienced observers. Details on planets and deep sky objects will be visible even for inexperienced observers. The production of almost all mechanical components is carried out by our partners in Hungary and the final assembly of the optics and subsequent quality control takes place in Rhede, Germany. This allows an even quicker adaptation to the ambient temperature and reduces the tube seeing (boundary layer removal). The fast 20" f3.6 main mirror as well as the large 120mm secondary mirror are made of high quality quartz material, so the cooling time is reduced to a minimum and this Dobsonian is quickly ready for use. Every main mirror is delivered with an individual optical test certificate, which guarantees the highest capacity. 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. The entire structure has been optimized for maximum stiffness with minimal weight. A complete redesign of this Dobsonian was necessary to ensure the significantly increased requirements to stiffness and load bearing capacity of the optical components. The ideal workhorse for the deep sky observers, the Explore Scientific 20-inch f/3.6 Truss-Tube Dobsonian is our largest aperture telescope. The 500mm mirror collects 5100 times more light than the naked eye. © 2020 Explore Scientific LLC. Freight cost needs to be calculated to your specific location - contact us prior to order! The ingenious combination of simple yet effective mechanisms with the greatest possible opening gives the Dobsonian telescope a unique triumphant march around the world. The lateral altitude wheels can now be stowed comfortably in the foam layers of the mirror box. Delivery timeframe: Built to order exclusively - Please contact us prior to order to confirm timeframe, shipping cost and other details. The scope is ready for the use with our optional coma corrector. Larger telescopes, such as the Schmidt-Cassegrain were reserved for the wealthy. Explore Scientific - Generation II - 20-inch Truss Tube Dobsonian Telescope - DOB2036-00 For a limited time only, receive the following FREE GIFT with the purchase of this Telescope: Explore Scientific Astro R-Lite Red Flashlight Retail Value: $19.99 The ideal workhorse for the deep sky observers, the Explore Scientific 20-inch f/3.6 Truss-Tube Dobsonian is our largest aperture telescope. 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