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  • Dobsonian telescope - Wikipedia, the free encyclopedia

    A Dobsonian telescope is an alt-azimuth mounted Newtonian telescope design popularized by John Dobson starting in the 1960s credited with vastly increasing  ...

    https://en.wikipedia.org/wiki/Dobsonian_telescope

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  • Dobsonian Telescopes | Orion Telescopes: Shop

    With a unique silver telescope tube and a deluxe set of extra accessories, this limted-edition 40th Anniversary SkyQuest XT8 Dobsonian reflector telescope is ...

    http://www.telescope.com/Telescopes/Dobsonian-Telescopes/pc/1/12.uts

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  • Classic Dobsonian Telescopes | Orion Telescopes: Shop

    With a unique silver telescope tube and a deluxe set of extra accessories, this limted-edition 40th Anniversary SkyQuest XT8 Dobsonian reflector telescope is ...

    http://www.telescope.com/Telescopes/Dobsonian-Telescopes/Classic-Dobsonians/pc/1/c/12/13.uts

    คำค้น : dobsonian


  • Why are Dobsonian Telescopes so Good? - Universe Today

    Mar 22, 2011 ... A Dobsonian is simplicity in itself; a simple set of optics on a simple mount. But don't be fooled by this simplicity. Dobsonian telescopes are ...

    http://www.universetoday.com/84285/why-are-dobsonian-telescopes-a-favorite-among-amateur-astronomers/

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dobsonian