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explore scientific 16 truss dob

© 2020 Explore Scientific LLC. The well-made metal truss poles are in four hinged pairs, reducing the number of parts you have to transport and speeding up the process of fixing the mirror box to the head. Disassembly of the scope without tools ensures a trouble-free transport of this great scope even in small cars. It also helps reduce the likelihood of the optics dewing up in damp conditions. Before the popularization 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. Dobsonian reflectors on their large, stable altaz mounts are very popular among visual observers who love their ease of use and quick set-up times. Description The Explore Scientific Ultra Light 16" Dobsonian is the ultimate in collapsible, large aperture, portable telescopes - featuring full aluminium construction for strength, durability and lightness. Although we were observing from a suburban site, the large aperture did its job collecting lots of photons and we started searching out some of the numerous galaxies in the spring sky. Secondary adjustment is achieved via three spring-loaded knobs while the adjustment of the primary is accomplished by use of a specially supplied pole with a hex key at the end. A locking screw underneath allows you to tension the focuser when using heavier eyepieces. Includes 2" focuser with helical gearing and 10:1 reduction; LED Red Dot Finder, collimation assist tool; soft light baffle and two radial main mirror fan for fast temperature equilibrium. A lot of thought has gone into the collimation method. The combination of high altitude bearings with optimized aluminum structures allows fine adjustment flows at high magnifications. We tested their Generation II 16-inch option, which has been upgraded recently to improve its mechanics. The scope packs away very nicely when the poles are removed: the head sits  on the lid of the closed mirror box to form a compact unit 55x55cm and only 75cm high. The scope came extremely well packed in a huge 52kg box. … All updates have been performed on this telescope. The few annoying niggles shouldn’t stop you having many enjoyable hours scanning the night sky. Big Aperture and Ultra Compact - Explore Scientific 16-inch Truss Tube Dobsonian. This system has very easy to collimate primary and secondary mirrors, which is vital for instruments of this type. The Explore Scientific Ultra Light 16" Dobsonian is the ultimate in collapsible, large aperture, portable telescopes - featuring full aluminium construction for strength, durability and lightness. The scope is ready for the use with our optional coma corrector. Explore distant galaxies and nebulae in minutes. A thin crescent Moon was low in the west as dusk fell and we had a lovely crisp and detailed view of the lunar landscape. Explore Scientific 16” Truss-Tube Dobsonian - Generation II This 16-inch Dobsonian telescope has a focal ratio of f/4.5, and is lightweight and portable due to its unique design Let this Light Bucket show you objects out of reach of most telescopes! As the sky darkened we found the open clusters M36, M37 and M38, all three of which were sharp and high contrast. The mirror box is an open design with plenty of space around it to help it cool down to air temperature. The problem was that the design of some of the altitude bearing components has been upgraded but the manual hasn’t been updated accordingly. Explore Scientific 16" Truss Tube Dobsonian. Page 16: Warranty The former was easy but the latter less so; it’s a tricky job requiring you to keep a good hold on the head, close to the heavier focuser, until all four truss tube pairs are securely connected with screw knobs.

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