Telescope and Binocular Buying Guide
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Not sure what the difference is between a refracting telescope, a reflecting telescope, and a catadioptric telescope? This guide lays out how each one works, their size and maintenance, and what kind of mount you'll need.
Binoculars come in Roof Prism and Porro Prism types, and the type you get will affect the size, cost, and weight. This guide also covers how to go about measuring binoculars for different types of viewing and magnification.