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


Some sort of tube structure is required to keep the telescope optical components appropriately lined up and pointing at anything. The tube structure can be either opaque or open.


Stray Light Tube Structure Light Pollution Lens Cell Block Plane 
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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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