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  • £10.00 - £11,160.00

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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 94 item(s)

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  • Control your telescope via integrated WiFi using the free Celestron SkyPortal app for iPhone, iPad, and Android devices
    The Astro Fi 127mm Maksutov-Cassegrain with fully coated glass optics provides outstanding views the Moon and planets, as well as bright deep space objects beyond our Solar System.

  • 102mm F/12.7 Alt-Azimuth Maksutov-Cassegrain Telescope
    Easy to use, Grab-and-Go Telescope This compact, but powerful telescope is ideal for the observation of double-stars,  surface detail of the Moon & bright planets.

  • Celestron Advanced VX 5"...

    Price £1,349.00

    Choose To Extend Your warranty for only £99.00

    Requires a power supply - & you should consider a higher specification unit for accessories such as dew heaters. You can choose a mains or a portable solution. Lithium batteries are more expensive but out perform the lead acid options

  • 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. 

  • 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. The mount features a high quality clutch system, precision 122 gear-tooth/360° gearing on both axes and excellent stability with a maximum payload of 3kg.
  • Celestron Nexstar 102SLT

    Price £449.00

    Choose To Extend Your warranty for only £49.00

    Rechargeable power supplies are cheaper to use & a more reliable source of power. AA rechargeables can not be used but you can use alkaline or lithium - but are more expensive over time

    A lens hood will shield stray light & dew fall

  • The telescope is used but in Very Good Condition and has been tested by our expert team

    The NexStar 6 SE has all the same features as Celestron's most advanced computerized GoTo telescopes, including our revolutionary SkyAlign™ alignment technology, a sky tour feature, a database of over 40,000 celestial objects and easy to use hand control

    Collection In Store Only

  • Ideal Grab-and-Go Telescope for Easy Visual Astronomy as well as High Power Daytime Terrestrial Observations!  The compact but powerful SKYMAX-127 is ideal for the observation of double-stars, and the surface detail of the Moon and bright planets. Its high-resolution, long focal length optical system is multi-coated to maximise contrast and image sharpness.

  • Extend Your Warranty To 2 Years For Only £49

    The lightweight and highly portable Sky-Watcher SKYMAX-102 (AZ-GTi), has been designed to be controlled wirelessly with your Smartphone or Tablet, using the free SynScan App for iOS or Android. The telescope can be used anywhere, without any reliance on other WiFi or mobile networks.

  • The highly portable Sky-Watcher SKYMAX-127 (AZ-GTi), has been designed to be controlled wirelessly with your Smartphone or Tablet, using the free SynScan App for iOS or Android. The AZ-GTi mounting, with it's built-in WiFi module, creates it’s very own Wi-Fi network, so the mount can be used anywhere, without any reliance on other WiFi or mobile networks.

  • 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
  • Sky-Watcher SkyMax 90...

    Price £199.00
    • Magnifications (with eyepieces supplied): x50, x100, x125, x250
    • Diameter of Primary Mirror: 90mm
    • Telescope Focal Length: 1250mm (f/14)
    • Eyepieces Supplied (1.25"): 10mm and 25mm
    • X2 Barlow Lens
    • 90° Diagonal Mirror 1.25"
    • Red Dot Finderscope
    • Table-Top EQ1 Mount
    • Tripod Bush for Photo-Tripod Mounting
    • Soft Carrying Bag
  • 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.