Explore scientific generation ii 16inch truss tube. Mirrosphere offers new concept in truss tube telescope design. Celestron skywatcher 10 inch trusstube dobsonian telescope. Serrurier when he was working on the mount palomar 200 in 5. Astrotech 10 f4 carbon fiber trusstube imaging newtonian.
Fan, autostar suite astronomical software magnification. With the truss ring, the uta can be placed on top of the truss poles while standing on the ground. The explore scientific 10 truss dobsonian telescope includes a 2 dualspeed focuser with helical gearing and 10. You can easily attach a 35mm dslr camera or large format ccdcmos imaging camera and be confident in the mechanical build of the gso 10 f4 truss newtonian.
After adding up the numbers, a lightweight tube vs a truss seems a dead heat. No telescope type has changed the hobby quite as much as the dobsonian. A serrurier truss is used in telescope tube assembly construction. The cdk17 covers a 70 mm field of view without any field. So im torn between the thought of a truss that can be broken down on one hand and the simplicity of a tube.
This feature is also a welcome relief for our taller scopes, such as the 20 f4. A 254mm mirror collects more than 1,500 times as much light as the naked eye. Explore scientific truss tube dobsonian telescopes user manual. When a truss tube telescope equipped with a solar filter but no light shroud is pointing near not at the sun, direct sunlight can hit the mirror and focus on the solar filter or other portions of the telescope. Each incremental investment enhances performance but moves us away from some of the economical advantages of the dob design. Explore scientific 10 truss tube dobsonian dob104500. The sturdy 2 crayford focuser has linear bearings that result in a rigid draw tube and virtually no flexure. A serrurier truss tube assembly on the carl zeiss cassegrain telescope in ostrowik near warsaw. Youll find a wide selection of truss and optical tube options as well as astrographs. Astrotech 16 f8 truss tube ritcheychretien optical. The ota should be as light as possible but very sturdy. His site also has neat starmap software, useful astronomy math, homemade crayford. Astrotech 16 f8 truss tube ritcheychretien optical tube. The optical tube itself features an eightpole truss design four captive pairs that provides greater structural rigidity than similar 6pole truss or 3pole parallel strut designs.
This 10 f12 trusstube cassegrain from gso is a modern take on the classical cassegrain design. Jan 17, 2007 so long as the mirror cells can support the mirror regradless of how its oriented, a truss tube is certainly possible. The xx12g telescope optical tube employs a rigid 8pole truss design that virtually eliminates flexure observed in 6 and 3pole collapsible tube designs. A 406mm mirror collects more than 2,400 times as much light as the naked eye. Rf royce 10 f6 serrurier truss, rotating head newtonian for an equatorial mount. Atm amature telescope making dobsonian mounted reflector diy telescope. Truss telescopes also known as truss tube telescopes. A 3050% savings will be realized over purchasing a premium finished truss tube telescope.
Meade 10 lightbridge trusstube dobsonian deluxe telescope. Please see our video describing our truss ring system. Bob smiths tristrut dob inspired by albert highes designs, with sky. While many commercial dobsonians use rolled steel tubes and wooden rocker boxes, for this instrument they have been constructed from aluminium. They work ver much like the mounting of the 200inch mt. Meade 10 lightbridge trusstube dobsonian telescope 10050502 its not just a big telescope. These truss tube designs are sometimes incorrectly called a serrurier truss, but since the main. We can replace the solid tube of the telescope with a lighter truss structure which breaks down for transport.
He substituted binocular eyepieces for expensive telescope eyepieces. This can lead to eye injury or damage to the telescope. Orion skyquest xx16g goto truss tube dobsonian telescope. The design solves the problem of truss flexing by supporting the primary objective mirror and the secondary mirror by two sets of opposing trusses before and after the declination pivot. Its dominated telescope design for the past 40 years. Large hand knobs and captive bolts make for userfriendly assembly and disassembly of the tube sections. This 16inch truss tube offering from explore scientific is shipped in one box, with the rocker and mirror box preassembled and the other components ready to fit together by way of thumbscrews.
The open truss design of the lightbridge dobsonians means portability of the telescope is dramatically improved over a solid tube design. Never use a telescope for solar observing without a special filter. Bright star clusters are resolved to the core, and the sight of the terminator on the moon is an unforgettable experience. The focuser on the orion 12 f8 truss tube ritcheychretien astrograph is a 3. The cdk17 has a dual carbonfiber truss design, with 3 cooling fans ejecting air from the back of the telescope, and 4 fans blowing across the boundary layer of the mirrors surface. This pleasantly portable, yet largeaperture orion dobsonian is equipped with goto motorization and closedloop tracking, making it an ideal telescope for use in the backyard or at your favorite dark sky site. New lightbridge trussdobs from meade take down and set up quickly.
It provides a unique way to experiment with telescope optics and find out how to make them work together to make a powerful astronomical instrument. Skyquest xx14i truss tube dobsonian case set the beauty of a big truss tube dobsonian telescope is that it can be disassembled into conveniently sized components for easy transport. In fact jmi sells telescopes with both a truss tube and an equatorial mount. Design goals i decided to rebuilt my wooden truss tube telescope to an ultralight telescope for use on a home built equatorial mount for astrophotography. Very fast f4 focal ratio 10 newtonian reflector optics carbon fiber truss tube design 2 dualspeed linear bearing crayford focuser with 2 and 1. He repurposed concrete sonotubes in place of aluminum and fiberglass tubing. Dobsonian telescopes are popular with amateur telescope makers for their ease of design and construction, portability, and their use of large optical mirrors. We can substitute premium mirrors and intricately machined focusers and mirror mounts. Mar 06, 2017 this 16inch truss tube offering from explore scientific is shipped in one box, with the rocker and mirror box preassembled and the other components ready to fit together by way of thumbscrews. Tpo 16 truss tube f8 ritchey chretien reflecting ota telescope. Immediate permanent damage to your eyes will occur as soon as you are pointing the telescope at or near the sun. A large single cylinder can be replaced with numbers of smaller cylinders. Engineering, design and construction of string telescopes. Explore scientific 254mm truss tube dobsonian gen ii.
Id like to put as much light gathering on an eq mount as i can fit and still track well enough for photography. Silicon dioxide produces a much more durable coat than silicon monoxide but requires specialized equipment to apply it and is, therefore, more expensive. The ota attachment to the mount must slide along the trusses to adjust center of gravity. Buy explore scientific 10 truss tube dobsonian online. With a focal length of 3045mm, its ideal for serious lunar and. Virgin teflon with center pad for azimuth fully round groundboard with three virgin teflon pads, located at 120degree separation, with a fourth central pad for smooth azimuth motion. Orion skyquest xx14g goto truss tube dobsonian telescope orion skyquest xx14g goto truss tube dobsonian telescope. The 10 f5 lightbridge is a very capable deep sky performer, with a light grasp and image brightness over 50% brighter than an 8 telescope used at the. Pioneered by john dobson in the 1960s, the instrument combines a newtonian reflector telescope with a unique twoaxis movable base. Teeters telescopes highquality trussdobsonian components. Gso 10 f12 classical cassegrain reflector telescope. Orion skyquest xx12g goto truss tube dobsonian telescope.
Discover the ritchey chretien telescopes you need at. A dobsonian telescope is an altazimuthmounted newtonian telescope design popularized by. Site features the free ultratrace telescope design program. You can also customize the design and feel confident adding any options desired. Red dot viewfinder, open metal truss design, crayford style focuser includes. Orion skyquest xx14g goto truss tube dobsonian telescope. The culmination of all these changes was a new telescope design, compelling in its purpose. It is now very cheap to purchase dobsonian telescopes off the shelf, and fully equipped with lenses and finder scopes. They allow you to quickly install a pair of trusses when assembling your telescope in the field. Plus, since its an open tube, the optics cool down faster than solid tube versions. The eightinch f6 ultimate reflector kit combines the advantages of both solidtube and truss tube telescopes in this unique design.
Orion skyquest xx14i intelliscope truss dobsonian telescope. It can be used with dslrs and large format ccd cameras. Mirrospheres 12inch serruriertruss telescope image 1 represents a new concept in trusstube design. 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. The truss tube can be divided into a small front tube section including the secondary mirror and focuser, rear tube section housing the primary mirror cell, and the four trusspole pairs. Mar 12, 2005 we can substitute premium mirrors and intricately machined focusers and mirror mounts. Taking only moments to set up and take apart for travel, the extremely rigid truss frame design ensures a nocompromises view through the telescope. Orion skyquest xx14g go to truss dobsonian telescope 08964.
This book tells you how to design and build a string telescope that performs better, weighs less, and increases. Training the next generation in space situational awareness. The best part is that as you lower the cage portion of the telescope into place, the truss clamps tapered design guides your cage into position and the pins click when the parts are fully engaged. So you can take one of these massive windows on the universe out to. The powerful, hightech, and downright big skyquest xx16g 16 goto truss tube dobsonian takes deepsky observing to new spacepenetrating depths. It is the latest and largest in our line of fully automatic goto truss tube dobsonians. We supply all the hard to find or fabricate components, including a light shroud for the trusses and 10 transport wheels and handles. The ingenious combination of simple yet effective mechanisms with bigaperture newtonian optics gives the dobsonian telescope worldwide popularity, and this telescope design typically offers the largest aperture per dollar of any telescope type. Details on planets and deep sky objects will be visible even for inexperienced observers. Page 1 user manual explore scientific truss tube dobsonian telescopes danger. Skywatcher 80mm telescopes, weight watchers, celestron telescopes, celestron 150mm refractor telescopes, gibson truss rod covers, celestron telescope mount, skywatcher telescope mounts, celestron 120mm telescopes, size 10 inch tambourines, celestron telescope eyepiece and lenses. Introduction to newtonian telescope design pdf brevard.
The meade 10 lightbridge dobsonian optical tube features not only multicoated high quality optics and superior construction but in a true trusstube dobsonian design for extreme portabilty. Using a light shroud protects your telescope from peripheral sunlight. Features of the orion skyquest xx16g goto truss tube dobsonian telescope duration. Transporting the skyquest xx14i will be much easier, and the components much better protected, with this set of cases designed just for the xx14i.
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