Building a 12.5-Inch Newtonian with Rotating Cage

  • Robert L. Clark
Part of the Patrick Moore's Practical Astronomy Series book series (PATRICKMOORE)


This chapter describes the building of a reasonably large Newtonian telescope around a mirror obtained from eBay. Including shipping, the cost for the mirror, a secondary (diagonal) mirror, a mount for the diagonal, and a cell for the main mirror was less than $400.


Equilateral Triangle Primary Image Main Tube Mirror Cell Machine Screw 
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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Robert L. Clark
    • 1
  1. 1.WestminsterUSA

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