Pay in 4 interest-free payments of $4.24 Learn more
Ships within 48 hours · Estimated delivery Aug 6 - Aug 11
96 Relative Brightness: 6
Powermates pick up from where Barlows can go no further
iEQ30/iEQ30 Pro
The Black Polymer Solar Filter for telescopes and other viewing devices is made from the same high quality materials as eclipse glasses
fold-down Weight: 12
Making Your Own Telescope by Allyn J. Thompson Refractor 96 Relative Brightness: 6A 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
