Optical Tube Assemblies

Optical Tube Assemblies

Optical Tube Assemblies

15 products - next page link at the bottom

Showing 1-15 of 22 item(s)

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  • With XLT multi-coatings & protective case.

    Celestron's C5 is a 5" (127mm) aperture, 1250 mm f/10 Schmidt-Cassegrain optical system. Its optical excellence is the reason it was chosen by NASA for many space shuttle missions. 

  • Celestron C6 Schmit...

    Price £649.00

    Perfect if you have damaged a Nexstar telescope's optical tube:
    SLT grey (Right), Astro-Fi black (Right), Evolution silver (Left) SE orange (Left)
    Construction & StarBright multi-coated optics are identical in all

    The dovetail position (in brackets) will alter the position of the focuser
    An EQ mounted focuser is different again

    Supplied without mount, tripod, finderscope, visual back, diagonal or eyepieces

  • A rival to the Celestron C6 OTA for performance, albeit not for wide-field imaging or for cool-down time. An excellent lunar and planetary telescope, both for imaging and observing

  • Sky-Watcher SkyMax 102

    Price £219.00

    102mm 4inch f/1300 Maksutov-Cassegrain Telescope. The Sky-Watcher SKYMAX Maksutov-Cassegrains are the ultimate ‘take-anywhere’ telescopes. They are also ideal if working space is limited.

  • With a total weight of 28 lbs including the tripod, the ultra portable 5 SE features a precision optical system with 1,250 mm focal length (f/10) standard with our premium StarBright XLT coatings and offers 56% more light gathering power than a 4" model.

  • Celestron Edge HD 14"

    Price £8,349.00

    EdgeHD is an aplanatic Schmidt telescope designed to produce aberration-free images across a wide visual and photographic field of view.

    • Visibly Sharper Images
    • Superior Performance
    • Enhanced Mechanical Features
    • Fastar® Compatible
  • Celestron Edge HD 11 OTA

    Price £4,249.00

    EdgeHD is an aplanatic Schmidt telescope designed to produce aberration-free images across a wide visual and photographic field of view

  • EdgeHD is an aplanatic Schmidt telescope designed to produce aberration-free images across a wide visual and photographic field of view

  • EdgeHD is an aplanatic Schmidt telescope designed to produce aberration-free images across a wide visual and photographic field of view

  • Celestron C11 XLT CGE OTA

    Price £2,479.00

    Celestron Schmidt-Cassegrain Optical Tube Assemblies (OTA) are available individually for use with your favorite mount