The thumbscrew on the telescope side can be used to lock the focuser, allowing the use of heavy accessories or cameras without fear or slippage or losing focus. entityType: 'product' entityType: 'product' Now an employee-owned company, we pride ourselves on an unswerving commitment to best quality products, value and unmatched customer care. GSO's rated load capacity for their Crayford focusers is about 2.5 kgs. width: 130, width: 130, height: 130, For serious amateur astronomers seeking big-aperture exhilaration and state-of-the-art GoTo electronics - in a large telescope cleverly designed to be transportable in almost any size vehicle - the Orion XX16g Dobsonian is an ideal choice! The bracket is held in place in the mounting shoe by a single large hand-tighten knob that maintains the finder’s collimation, even if the finder is removed between observing sessions. sourceSelector:'' entityType: 'product' Sky Watcher Classic 150 Dobsonian 6-inch Tripod? layers: '10279' The Sky-Watcher Classic Dobsonian Telescope 153mm/1200mm (6") has a "paraboloidal" primary mirror to eliminate spherical aberration and a four-arm, secondary- mirror bracket with fine supports (0.5mm thick), to reduce diffraction spikes and light loss. sourceURL:'/catalog/includes/quicklook_miniproduct.jsp?entityId=102036&entityTypeId=4', }, { A standard equipment eyepiece tray attaches to the side of the scope’s altazimuth base. sourceURL:'/catalog/includes/quicklook_miniproduct.jsp?entityId=113095&entityTypeId=4', entityType: 'product' sourceURL:'/catalog/includes/quicklook_miniproduct.jsp?entityId=102004&entityTypeId=4', width: 130, From our entry level beginner telescopes for amateur astronomers to our Dobsonian telescopes to our most advanced Cassegrain telescopes and accessories, you can find the best telescope for you. The "push-to" XT10i will help you locate over 14,000 objects to explore. sourceURL:'/catalog/includes/quicklook_miniproduct.jsp?entityId=113096&entityTypeId=4', }, { It is our firm opinion that GSO offers the best astronomical mirrors in this price range. }, { defaultImage: '', sourceSelector:'' You can observe fabulous nebulae, galaxies, binary star systems and most of the famed deep-space Messier objects. sourceURL:'/catalog/includes/quicklook_miniproduct.jsp?entityId=102009&entityTypeId=4', The Orion Build-A-Scope 12 IntelliScope is a great telescope for the advanced viewer. defaultImage: '', }, { Their affordability and simplicity of operation make Dobsonians a great first telescope for entry into the hobby of amateur astronomy, especially those in the 6" to 8" aperture range. sourceURL:'/catalog/includes/quicklook_miniproduct.jsp?entityId=130164&entityTypeId=4', This upgraded PLUS version of our XT6 Classic Dobsonian sports useful design enhancements like adjustable altitude tension and secondary adjustment thumbscrews, and expanded accessories including a Shorty 2x Barlow, Safety Film Solar Filter and more! }, { You can find astrophotography "how to" tips and share your best astronomy pictures here. This top-tier 6" Dobsonian impresses with stunning views and easy hands-on operation. height: 130, 6” (150mm) diameter, 1200mm focal length, f/8 focal ratio with surface accuracy of 1/12 wave. While we think that 8-inch Dobsonians are the sweet spot for beginners, a 6-inch is the next best thing and a good way to save some money. We guarantee a diffraction-limited performance, which essentially means that the performance is limited by observing conditions and the laws of physics. sourceSelector:'' This makes collimation faster than the traditional three- or six-screw collimation methods used with conventional finder brackets. entityId: 130892, width: 130, }, { 2. width: 130, Any discounts and/or promotional offers apply only to products listed on their respective pages. . sourceURL:'/catalog/includes/quicklook_miniproduct.jsp?entityId=116307&entityTypeId=4', height: 130, Buy It Now +$55.00 shipping. width: 130, defaultImage: '', sourceSelector:'' entityType: 'product' entityId: 102005, It allows you to choose accessories that fit your specific needs. Expand your viewing experience with accessories ranging from moon filters to power-boosting Barlow lenses to advanced computerized telescope mounts. Fully computerized GoTo system finds and automatically tracks any of 42,000 celestial objects. }, { sourceSelector:'' The open frame of the cell allows the mirror to cool down to ambient temperatures quickly, so you can start observing sooner. sourceSelector:'' sourceURL:'/catalog/includes/quicklook_miniproduct.jsp?entityId=102780&entityTypeId=4', width: 130, A large primary mirror at the bottom of the tube collects light and concentrates it onto a small secondary mirror, which diverts the light cone out the side of the tube and into the eyepiece. What are Dobsonian Telescopes? width: 130, entityType: 'product' layers: '10280' At the easiest (lightest) setting, the focuser moves extremely smoothly. entityId: 102038, . The Orion SkyQuest XX12i telescope is perfect for the observer looking for a portable big-aperture telescope. entityId: 102018, height: 130, entityType: 'product' This telescope for the advanced viewer allows you to customize it to fit your own needs. }, { layers: '08964' entityId: 102004, The SkyLine 8" Dobsonian Reflector Telescope Kit is a substantial telescope capable with a great assortment of included accessories that will enhance your viewing experience.

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