The Celestron Inspire 100AZ telescope easily slides into our best beginner telescopes. At its core a rather basic refractor telescope with a 4-inch aperture, it's the most at home when viewing the ...

Wrapped up in a compact package thanks to the Maksutov-Cassegrain catadioptric, the Celestron Astro Fi 102 is a no-frills telescope best suited toward lunar and planetary observing. The motorized ...

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Amazon is offering 27% off the Celestron StarSense Explorer DX 130AZ. Perfect for watching Saturn's opposition on Sept. 20.