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Refractors

refracting or refractor telescope is a type of optical telescope

that uses a lens as its objective to form an image

(also referred to a dioptric telescope)

 

Learn More About Refractors

Refractors Grovers Optics Northallerton

Refractors

15 products - next page link at the bottom

Showing 1-15 of 79 item(s)

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  • Apochromatic Refractors, due to their unobstructed, text-book like diffraction patterns, produce the sharpest, highest quality optical imaging available, bar-none, aperture for aperture, of any telescope optical system

    This high-end Evostar-72ED Apo features a doublet objective lens, with one Extra-Low Dispersion (ED) glass element. Top quality Schott glass is utilised for the Crown element

  • Discover our Solar System with the Celestron AstroMaster 70AZ! You’ll be ready to observe in minutes thanks to the quick and easy no-tool setup. The 70AZ provides bright, clear images of the Moon, planets, star clusters, and more for great nighttime viewing.

  • The Sky-Watcher STAR DISCOVERY 90i is a classic two-element, air-spaced, achromatic refractor. The telescope is easy to transport, and with its long focal length it is ideal for the detailed high-power study of the Moon, Planetary Surfaces and other objects in our solar system, providing crisp contrasty images

  • Sky-Watcher EvoStar-150ED, 150mm (6") f/1200 Apochromatic Refractors, due to their unobstructed, text-book like diffraction patterns, produce the sharpest, highest quality optical imaging available, bar-none, aperture for aperture, of any telescope optical system.

  • Looking for a portable and easy to assemble telescope for celestial viewing? Then the AstroMaster LT Series is just for you! The AstroMaster LT Series produces bright, clear images of the Moon and planets.

  • 70MM (2.75") F/10 WIFI GO-TO REFRACTOR TELESCOPE

    The highly portable Sky-Watcher MERCURY-707 (AZ-GTe), has been designed to be controlled wirelessly with your Smartphone or Tablet, using the free SynScan App for iOS or Android.

  • Traditional solid brass refractor telescope.

    Available For in-store purchase only. No packaging.

    Features "draw-focus" finderscope. Generally in good condition with clean optics.

  • Complete Telescope In Very Good Condition

    Accessories (not included) listed below include:

    Red LED Torch - Preserves night vision

    Moon Filter - Our moon appears very bright. This filter reduces that & allows the craters to stand out more

  • Ideal No Fuss, Grab-and-Go Telescope for Easy Visual Astronomy as well as High Power Daytime Terrestrial Observations!! The Sky-Watcher EVOSTAR-90 is a classic two-element, air-spaced, achromatic refractor. With its long focal length it is ideal for the detailed high-power study of the Moon, Planetary Surfaces and other objects in our solar system, providing crisp contrasty images.

  • 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.
  • 102MM 4" F12.7 DELUXE ALT-AZIMUTH REFRACTOR TELESCOPE

    Ideal Grab-and-Go Telescope for Easy Visual Astronomy as well as Daytime Terrestrial Observations! The STARTRAVEL-102 is a two-element, air-spaced achromatic refractor and a well proven performer for ‘Rich-Field’ views of comets, star fields, star clusters, nebulae, bright galaxies & planets, the Moon and the Sun with safety filtering!

  • Celestron AstroMaster...

    Price £210.00

    Comes with smartphone adapter to photograph & tracking motor drive
    The Celestron AstroMaster refractor telescope is ideal if you are looking for a dual-purpose telescope for both terrestrial and celestial viewing