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... 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... 1 |
Categories and tagsflat window optical lenses mirrors lens astronomy telescopes telescope mirror oldham astronomical schmidt cassegrain newtonian pyrex skywatcher reflector reflecting |