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Ships within 48 hours · Estimated delivery Oct 13 - Oct 18
602g Barrel Size 2
With a full 8 inches of aperture
The Black Polymer Solar Filter for telescopes and other viewing devices is made from the same high quality materials as eclipse glasses
Manual altazimuth mount with smooth
25") Weight 6bs (2
Making Your Own Telescope by Allyn J. Thompson Refractor 602g Barrel Size 2A 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
