Optical Tube Assemblies

Optical Tube Assemblies

Optical Tube Assemblies

15 products - next page link at the bottom

Showing 1-15 of 26 item(s)

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  • Choose To Extend Your warranty for only £49.00

    A reducer will brighten your view, seeing more objects & the view is optimised for imaging (photography).

    A lens hood will shield stray light & dew fall.

  • 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

  • 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 7" f/15 XLT...

    Price £899.00

    91012 The 7"/180mm aperture Maksutov-Cassegrain (or Mak for short) is a specialised instrument designed for detailed, high contrast views that sets a new standard in mid-level telescopes. With its Maksutov-Cassegrain optical tube the telescope provides unparalleled views of the planets and up-close views of the lunar surface, including craters and maria.

  • Celestron Edge HD 14"

    Price £7,318.00

    SEE THE UNIVERSE IN HD! 

    Introducing Celestron's New Aplanatic Schmidt Telescope Design!

    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 C11 XLT CGE

    Price £2,054.00

    Celestron Schmidt-Cassegrain Optical Tube Assemblies (OTA) are available individually for use with your favorite mount. Each OTA is made to the same exacting standards as those used on all our high quality telescopes.

  • Celestron C8 XLT CGE

    Price £1,069.00

    Celestron Schmidt-Cassegrain Optical Tube Assemblies (OTA) are available individually for use with your favorite mount. Each OTA is made to the same exacting standards as those used on all our high quality telescopes. 

  • 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 102T

    Price £209.00

    Sky-Watcher Skymax-102 (EQ-2) 102mm (4") 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.

  • Celestron Edge HD 11

    Price £3,655.00

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

  • Celestron Edge HD 800 CGE

    Price £1,280.00

    EdgeHD is an aplanatic Schmidt telescope designed to produce aberration-free images across a wide visual and photographic field of view. The optical system was designed to reduce more than just off-axis star coma, but also to give an astrograph quality flat focal plane all the way to the edge of the field of view.