A Chinese manufacturer of high quality astronomical telescope accessories.

Manufactures the Yukon and Centurion brand of daylight and night vision binoculars, spotting scopes, monoculars and rifle scopes.

Manufacturer of short tube refractor telescopes, binoculars, digital camera adapter lenses for telescopes, eyepieces, diagonals and other accessories.

Australian manufacturer of Argo Navis Digital Telescope Computer systems for alt-azimuth, fork and German equatorial telescope mounts.

Manufacturer of Dobsonian telescopes in sizes from 22 inches to 40 inches in aperture. Fully computerized GOTO control systems are available using either the ArgoNavis or ServoCat electronics. Product lines feature Kennedy Optics throughout.

Designs and manufactures lightweight mirrors for lidar systems, telescopes, scanners, active optics and airborne optical systems.

Manufacturer in Egypt of refractor and reflector telescopes and Maksutov cassegrain telescopes.

A sport optics company which manufactures a complete product line of binoculars, spotting scopes, riflescopes, monoculars, tripods and accessories.

Telescopes and telescope mounts, binoculars, Lanthanum eyepieces and other accessories.

Manufacturer in Japan of a varied selection of telescopes, mounts, binoculars and spotting scopes.

Versa-Port Sliders, Monster focusers, bifilar micrometers and turret eyepiece holders.

Suppliers of astronomical accessories, binocular viewers, eyepieces, binoculars, telescope building supplies, software, books, and components to build a "Cookbook" CCD camera.

Optical instrument mounts including the T-Mount, UniMount and UniStar for binoculars and telescopes. Retailer for a variety of other product lines.

Chinese manufacturer and exporter of binoculars, telescopes, monoculars, golfscopes and spotting scopes.

English manufacturer of filter wheels, flip mirrors, filter units and dichroic filters.

Makes the Sky Window binocular viewing system, and is a full machine shop specializing in design, prototype and production of quality machined parts.

Specializes in the manufacture of aspherical optics and light-weighted Beryllium mirrors using computer-controlled optical surfacing technologies. The company is famous for producing the optics within the COSTAR optical package which corrected the Hubble Space Telescope's optical flaws.

Solar filters, solar eclipse viewers, H-Alpha filters and nebular filters.

Premium refractor telescopes, eyepieces, and accessories. Products include Nagler eyepieces, Panoptic eyepieces, Radian eyepieces, Plossl eyepieces, Barlows, Powermate, Ranger, 101, fluorite and apochromatic refractors.

Russian manufacturer of TAL brand telescopes including refractors, Newtonians, and Klevtsov modified Maksutov-Cassegrains; and additional products including binoculars, night vision equipment, riflescopes and many accessories.

Apochromatic refractor and Maksutov-Cassegrain telescopes plus precision optics including optical flats, Cassegrain, Catadioptric, Newtonian, Ritchey-Chretein, Mersen and other optical designs.

Offers portable Dobsonian telescopes which are designed to collapse down into an extremely compact cubes for transportation.

Offers collimation tools including basic sight tubes, Chesire eyepieces and autocollimators.