TELESCOPE MARKET:  
   
Alluna-Optics.de Alluna-Optics Teleskop-Systeme (Germany). Manufacturer of telescopes and optics.
Antaresoptics.com Antaresoptics.com (USA). Manufacturer of good secondary mirrors for Newtonian telescopes.
AOK Swiss Astro-Optik Kohler (Switzerland). Manufacturer and seller of telescopes & accessories.
Baader Planetarium Baader Planetarium (Germany). Manufacturer and seller of telescopes, mounts & accessories.
Discovery Telescopes Discovery Telescopes (USA). Manufacturer of affordable telescopes.
Equatorial Platforms Equatorial Platforms (USA). Manufacturer of excellent equatorial platforms and dobsonian telescopes. With Tom Osypowski's platforms, observing is much more convenient and even long-exposure astrophotography is within reach.
Hubbleoptics.com Hubbleoptics.com (USA). Manufacturer of thin sandwich mirrors and of telescopes.
Loptics.com Lockwood Custom Optics, Inc (USA). Quality optics by Michael Lockwood.
MoonLite MoonLite telescope accessories (USA). Focusers, truss tube material.
Intercon Spacetec Intercon Spacetec (Germany). Manufacturer and seller of telescopes and accessories.
Lightholder Optics Lightholder Optics by John Lightholder (USA). Manufacturer of good optics.
Mirro-Sphere.com Mirro-Sphere precision optics (France). Manufacturer of good optics.
Nauris.de Nauris.de (Germany). Manufacturer of precious and state-of-the-art dobsonian telescopes and optics.
Noctutec.com Noctutec.com (Germany). Manufacturer of telescopes.
Oldham-optical.co.uk Oldham-Optical (UK). Manufacturer of optics (mirrors, lenses).
Obsession Telescopes Obsession Telescopes (USA). Manufacturer of large dobsonian telescopes.
Spheretec Spheretec (Germany). Manufacturer and seller of telescopes and accessories.
Skyvision.fr Skyvision.fr (France). Manufacturer of precious and state-of-the-art telescopes and optics.
Starlightinstruments.com Starlightinstruments.com (USA). Manufacturer of excellent focusers.
Teleskop-Service Teleskop-Service / -Express (Germany). Manufacturer & seller of telescopes & accessories.
Zambuto Optical Company Zambuto Optical Company (USA) by Carl Zambuto. Manufacturer of good optics.