Celestron International - Offers a wide range of telescopes, binoculars, spotting scopes, and optical accessories. Cstar Optics - Telescopes and binoculars. Dark Sky Telescope Accessories - Manufactures a few solid, well made telescope components including a camera mount, spider with diagonal mirror mount, and a drive stepper controller. Deep Space Navigator - Telescope to computer interface, motor drive for Dobsonian mounted telescopes, high resolution optical encoders, and custom encoder mounting hardware. Discovery Telescopes - Manufacturer of optics and complete telescopes.
Completed telescopes are also available.
Eastcolight Limited - A leading educational toy manufacturer and exporter in Hong Kong. Product range includes microscope toy and telescope toy. Edmund Scientific - Manufacturer of the Astroscan telescope. Fuzhou Fuhua Optics Ltd. - Manufacturer and exporter of binoculars, opera glasses, spotting scopes, and golf scopes. Galaxy Optics - Manufacturers of precision astronomical mirrors for Newtonian telescopes and other optical designs for the amateur and professional astronomer.