Oldham Optical Web Site
http://oldham-optical.co.uk
Manufacturer of Astronomical and Industrial Optics to the Professional and Amateur Market. Specialising in Optics for Newtonian and Cassegrain Telescopes. Product range covers Concave and Convex Mirro...
Reflector Telescopes. Reviews of the best reflector telescopes...
http://reflectortelescopes.co.uk
Reviews of the best reflector telescopes for the amateur and hobby astronomer. What is a reflector telescope? History of reflector telescopes. Where to use a reflector telescope. Caring for your refl...




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flat  window  optical  lenses  mirrors  lens  astronomy  telescopes  telescope  mirror  oldham  astronomical  schmidt  cassegrain  newtonian  pyrex  skywatcher  reflector  reflecting