Barlow, Extenders & Rear Converters


Enhance your viewing power with our directory of the top barlows, extenders, and rear converters, ideal for detailed celestial observations.






Founded Employees Social Traffic

SharpStar Optics specializes in advanced telescopes and optical products designed for both amateur and professional astronomers.
View more about Askar Sharpstar



Founded Employees Social Traffic

GSO, or Guan Sheng Optical, is renowned for manufacturing high-quality telescopes, optical components, and precision-engineered optics designed to enhance every stargazing experience.
View more about Guan Sheng Optical (GSO)



Founded Employees Social Traffic
1975 51-200 251,932

Orion Telescopes & Binoculars is an American retail company that sells telescopes, binoculars and accessories online and in-store for astronomy and birdwatching.
View more about Orion Telescopes & Binoculars



Founded Employees Social Traffic
2013 1-10

PrimaLuceLab is an Italian company with a brilliant staff of engineers, designers and expert users, founded in 2013 to create innovative solutions for remote space exploration.
View more about PrimaLuceLab



Founded Employees Social Traffic

From their manufacturing facilities in Urii, Japan, and their headquarters in Tokyo, Japan, Takahashi designs and creates optical tube assemblies, mounts, oculars and accessories for astronomical observing and astrophotography.
View more about Takahashi America



Founded Employees Social Traffic
1977 2-10

Tele Vue Optics, founded in 1977, has been thrilling amateur astronomers since 1979.
View more about Tele Vue Optics, Inc



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ScopeTrader June-2024 for astronomers and astrophotographers
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