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span aria label Telescope Basics 5 of 6 Learn the basics about barlow lenses for telescopes by Eyes on the Sky 6 years ago 5 minutes 24 seconds 245 344 views Telescope Basics 5 of 6 Learn the basics about barlow lenses for telescopes span

This diagonal can correct upside down and left-right reversed image easily, which allows you view things during daytime in correct position. 1.25inch 45┬░diagonal mirror telescope prism erecting for astronomical telescope we will reply your message within 48 hours. Comes with dust cover to keep your lens clear, easy to install and use.