Dantronix Research and Technology, LLC (Popularity:  )
Makes Opticlean polymer for cleaning mirrors, lenses and corrector plates, and produces Laser Gold and Laser Rhodium mirrors for IR ...
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Stargazer Steve Telescopes (Popularity: )
Produces the Sgr-4, a 4-1/4" reflector on an altazimuth mount. Offers reflector telescope kits and accessories.
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TeleVue Optics (Popularity: )
Premium refractor telescopes, eyepieces, and accessories. Products include Nagler eyepieces, Panoptic eyepieces, Radian eyepieces, Plossl eyepieces, Barlows, Powermate, Ranger, 101, ...
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California Tubular Designs (Popularity: )
Artistically designed tubes for use in Dobsonian telescopes.
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Insulated Dew Shield (Popularity: )
Custom insulated dew shields for refractors and compound telescopes.
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Sky Engineering (Popularity: )
Designs and manufactures the Sky Commander product line of digital setting circles.
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Discovery Telescopes, Inc. (Popularity: )
Offers a complete line of Dobsonian reflectors up to 24" in aperture, plus optical primaries and elliptical flats.
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TAURUS Technologies (Popularity: )
Offers the TAURUS Tracker III combination flip mirror and off-axis guider for both film and CCD astrophotography, plus a sealed, ...
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T&T Binocular Mounts (Popularity: )
Offers a full line of mounts and crutch tripods for comfortable, steady binocular viewing.
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Stellarvue (Popularity: )
Specializes in hand crafted refractors and apochromatic refractors. Offers telescope mount and tripods, spotting scopes plus a variety of accessories.
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Advanced Telescope Systems (Popularity: )
Portable and permanent telescope piers in custom sizes and heights. Custom manufactures accessories for special customer needs.
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Cstar Optics (Popularity: )
Product lines include small to medium aperture telescopes, binoculars, spotting scopes, educational tools and accessories.
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Starmaster Portable Telescopes (Popularity: )
11" to 30" aperture portable Dobsonian telescopes featuring truss tube designs. Also offers the 12-1/2" ELGT telescope which includes the ...
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Oberwerk Corporation (Popularity: )
Produces a variety of binocular designs for both terrestrial and astronomical applications.
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Pacific Telescope Corp. (Popularity: )
Home of the Sky-Watcher brand of astronomical refractors and reflectors, catadioptric Newtonians, Maksutov-Cassegrains, plus spotting scopes, mounts, eyepieces and accessories.
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DFM Engineering, Inc. (Popularity: )
Advanced amateur and professional astronomical telescopes, telescope control systems and mounts, electro-optical telescopes, LIDAR systems, heliostats, siderostats/coeleostats, telescope optics and ...
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Optical Guidance Systems (Popularity: )
Research-grade, observatory class telescope systems for professional and discriminating amateur astronomers, plus custom designed instrumentation for specific needs.
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Coronado Technology Group (Popularity: )
H-Alpha and white light solar filters and accessories for telescopes, plus the Maxscope line of dedicated solar instruments.
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NOVA Optical Systems (Popularity: )
Optical company which manufactures telescope optics in a wide range of apertures for amateur and professional class telescopes. Site features ...
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Thousand Oaks Optical (Popularity: )
Solar filters, solar eclipse viewers, H-Alpha filters and nebular filters.
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