The Apertura AD8 – Dobsonian Reflector Telescope. The truth is, it’s impossible to capture the beauty of the intensely dense group of stars of Messier 3 in a photo. Bright globular clusters are resolved down to the core and the view of the lunar terminator will provide a unforgettable experience.Both the fast 20" f3.6 main mirror and the large 120mm secondary mirror are made of high quality quartz material, which means cooling time is reduced to a minimum and the Dobsonian is quickly ready for use. The Explore Scientific Ultra Light 20 inch Dobsonian is the largest of Explore Scientific's Dobsonians - offering enormous light gathering power in a comparatively portable package. 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. SDM Telescopes 20-40 inch custom built classic style Dobsonians. We also offer GoTo Dobsonian telescopes … 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). If you can handle all of the extra weight and transportation requirements, a giant 20″ Inch Dobsonian will offer you views of Nebulae, Galaxies and Star Clusters like you have never seen before. An important note to all SDM customers…. This experience is always a real treat, as the views through this giant “Dob” are incredible. Details on planetary surfaces stand out even to unexperienced observers and countless deep-sky objects show details and traces of color. Please, **sRecentImageRowPrefix** **sRecentImageItem**, Explore Scientific 20 Inch Ultra Light Dobsonian Telescope. Every main mirror is delivered with an individual optical test certificate, which guarantees the highest quality. Featured. All rights reserved.VAT: GB946500425, Go to wish list Or click close to return to your product, We are shipping normally during the lockdown with social distancing measures leading to some minor delays to keep everybody safe. The focus position is already positioned to accept Explore Scientific's Coma Corrector (part No. Search. If you're looking for a telescope that will actually delivery the types of deep sky views you've been dreaming of without the necessity for permanent observatory mounting - then the Explore Scientific Ultra Light Dobson 20" f/3.6 Generation II could be the ultimate telescope for you.Transported easily in small cars and is assembled within minutes without tools. Posted on August 11, 2017 by Jaybee. For a refracting type telescope, the telescope aperture is the distance measured across the widest point of the objective lens. There are some incredible options out there, but my favorite type of eyepiece is one that delivers a wide field of view, such as the Explore Scientific 14mm 100 model below. Recommended Eyepieces at High Point Scientific, AstroBackyard | Astrophotography Tips and Tutorials 2020. At f/4 this is the fastest mirror Carl has ever offered commercially, and of course, Webster Telescopes brought it to you first. UK Astronomical Telescope shop since 2009 Free aftersales lifetime technical support, Copyright © 2020 Harrison Telescopes Limited. The real-time view is much better. Leave your ladder at home. The optical surface has a high-quality aluminum silvering with 94% reflectivity and an extremely resistant quartz protection layer. Set-up and dismantling can be carried out without tools. It’s impossible to show you exactly what the view was like, but this photo of Messier 3 I captured gives you a rough idea. A telescope with a 20-inch/ 500mm aperture gathers more than 5100-times more light than the naked eye. All rights reserved. This telescope is so huge, that you must climb a ladder to look through the eyepiece when it is pointing at most targets overhead! 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 massive mirror in this Dob allow much more light to be reflected into the eyepiece than a typical telescope. This experience is always a real treat, as the views through this giant “Dob” are incredible. 0510330), making it the ideal workhorse for the deep-sky enthusiast. 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 searching for its match. Details on planetary surfaces stand out even to unexperienced observers and countless deep-sky objects show details and traces of color. If you're looking for a telescope that will actually delivery the types of deep sky views you've been dreaming of without the necessity for permanent observatory mounting - then the Explore Scientific Ultra Light Dobson 20" f/3.6 Generation II could be the ultimate telescope for you.WHAT'S IN THE BOX:Truss Dobsonian TelescopeIndividual optical test report for primary mirror8x50 finder with red illuminated reticleStray light shield for secondary cagePrimary mirror collimation toolBattery compartment with bag for fansExtension tube for focuserReducer 2"/1.25"Manual. Normally with only some minor delays, all deliveries are now contact-less main... This allows an even quicker adaptation to the core and the Messier globular..., making it the ideal workhorse for the deep-sky enthusiast is already positioned to Explore. 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