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  • £10.00 - £4,999.00

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Optical Design

Optical Design

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 68 item(s)

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  • Two-element, air-spaced, achromatic refractors Outstanding high-performance, high-resolution instruments manufactured to high standards of optical and mechanical precision

  • Traditional solid brass telescope

    • Objective Lens Diameter: 60mm
    • Magnification 20x-60x Zoom
    • Twist-Focus/Zoom controls
    • Brass Alt-Azimuth Arc Mount
    • Brass Chain Leg-Brace
    • Mahogany Tripod (Medium duty)
  • These traditional spyglasses would not look out of place in the hands of Nelson himself!  Features four extendable telescopic sections and magnification a powerful 10x-30x.  The zoom is operated by twisting a control ring made of copper.  Supplied with a soft zip-up case.

  • 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!

  • f7.3 Alt-Az Refractor Telescope

    Easy to use, Grab-and-Go Telescope.

    A classic two-element, air-spaced, achromatic refractor ideal for observing the Moon, planets and many deep sky objects

  • Sky-Watcher Mercury 707

    Price £110.00

    With its larger 70mm multi-coated objective lens, it will provide more rewarding views of the Moon, stars, bright planets and other night sky objects

  • Used & in very good condition & with 6 month warranty
    Colection in-store only
    This short-tube telescope with a fast f/5 optical system gives images that are bright and crisp