Description
Explore Scientific Dobsonian 10″ Truss Tube Telescope
Features:
- 10-inch Aperture
- Aluminum Truss Tube Structure
- Easy to Disassemble and Transport
- 2″ Single-Speed Focuser
- Accessories Include: Multiple Eyepieces, Moon Map & Planisphere

Explore the night sky with an ideal combination of aperture & portability
With an aperture that captures impressive amounts of light, Explore Scientific’s 10-inch Truss Tube Dobsonian is an ideal workhorse for deep-sky enthusiasts and a great instrument for getting highly detailed views of our planetary neighbors and the intricacies of our Moon’s terrain.
Stunning views of galaxies, nebulae, planets & more!
The 254mm primary mirror collects more than 1,500 times as much light as the naked eye. With this light-gathering power, you can observe many bright star clusters resolved to their core, see structural elements of distant galaxies and have unforgettable experiences viewing sights ranging from the lunar terminator to billowing bright and dark nebulae.


Easy to transport, assemble & operate
This Dobsonian telescope is easy to operate for amateur astronomers of all skill levels and requires no polar alignment, no complicated setup, and no electronics. Although its size can appear daunting, it has a truss tube structure made from powder-coated aluminum for maximum rigidity and portability with a minimum of mass. It can be easily disassembled and transported — even in small cars — and reassembled within minutes without tools.
Designed for smooth movements, fine focusing
Oversized altitude bearings work with the aluminum-sandwich construction to facilitate smooth, small movements even at high magnifications. For fine focusing, the telescope comes with a 2-inch ultra-smooth focuser plus the required extension tubes.

Marketing Content

Multiple accessories included
10” Truss Tube Dobsonian Specifications
| Tube: | Open truss design |
| Upper tube ring: | Metal tubing including secondary spider and holder, plus focuser and truss connectors |
| Mirror box: | With main mirror and truss connectors |
| Trusses: | Powder-coated aluminum with connectors |
| Secondary spider: | 4-arm, steel |
| Main mirror: | 10 inch (254 mm), parabolic, aluminum coated with a protective layer, 94% reflectivity |
| Focal length: | 1270 mm |
| Focal ratio: | f/5 |
| Focuser: | Single-speed |
| Mount: | Dobsonian |
| Finder: | Red dot finder |
| Mirror box with mirror weight: | 31.5 lbs. |
| Rocker box weight: | 12.5 lbs. |
| Secondary cage with secondary mirror weight: | 6.35 lbs |
| Truss tube (1 of 4) weight: | 1 lb each |
| Total weight: | 54.35 lbs |
This product can expose you to lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.p65warnings.ca.gov.
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