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fold-down Weight: 12
With a full 8 inches of aperture
602g Barrel Size 2
96 Relative Brightness: 6
Making Your Own Telescope by Allyn J. Thompson Refractor fold-down Weight: 12A book that has been used with great success by countless amateur astronomers, this volume presents complete and detailed instructions and numerous diagrams showing how to construct a do it yourself telescope. No complicated mathematics are involved, and no prior knowledge of optics or astronomy is needed to follow the text's step by step directions, which also offer instruction in the fundamentals of practical optics. Contents: 1. Story of the
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