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  • £10.00 - £11,999.00

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Optical Design

Optical Design

Cassegrain

telescope design that combines a

spherical mirror with a lens in a

design that takes advantage of

all the surfaces being nearly

"spherically symmetrical"

 

Learn More About Cassegrain Telescopes

Cassegrain Grovers Optics Northallerton

Cassegrain

15 products - next page link at the bottom

Showing 1-15 of 84 item(s)

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  • Grab-and-Go Telescope for Easy Visual Astronomy as well as High Power Daytime Terrestrial Observations!
    Ideal for the observation of double-stars, and the surface detail of the Moon and bright planets

  • 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. Despite their small dimensions they pack a powerful punch.

  • 150mm (6") f/1800 Computerised GO-TO Maksutov-Cassegrain Telescope

    • Highest Practical Power (Potential): x450
    • Diameter of Primary Mirror: 150mm
    • Eyepieces Supplied (2”): 28mm
    • 2”/50.8mm Star Diagonal
    • EQ5 Equatorial Mount
    • Built-in Polar Alignment Scope Holder
  • 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

  • The STARQUEST Series is a lightweight, ‘grab-and-go’ range combining proven high quality Sky-Watcher telescope optics with a newly designed and well-engineered equatorial mount
  • 102mm F/12.7 Alt-Azimuth Maksutov-Cassegrain Telescope
    Easy to use, this compact, but powerful telescope is ideal for the observation of double-stars, surface detail of the Moon & bright planets

  • 150mm 6inch f18 Computerised GO-TO Maksutov-Cassegrain Telescope

    • Highest Practical Power (Potential): x450
    • Diameter of Primary Mirror: 150mm
    • Eyepieces Supplied (2”): 28mm
    • 2”/50.8mm Star Diagonal
    • EQ5 SynScanTM Computerised GOTO Equatorial Mount (Requires 12 volt DC Power Supply)
    • Built-in Polar Alignment Scope Holder
  • Celestron C6 Schmit...

    Price £849.00

    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

  • Celestron Nexstar 8SE...

    Price £1,499.00

    The NexStar 8 SE features Schmidt-Cassegrain 8" aperture optics with our premium StarBright XLT coatings and a powerful 2032mm focal length and f10 focal ratio