Tag: collimation

Off-Axis Aberrations: Diagnosing Coma and Astigmatism After Collimation
Off-Axis Aberrations: Diagnosing Coma and Astigmatism After Collimation

Off-axis aberrations like coma and astigmatism persist even after perfect collimation. Learn how to diagnose and fix them in Newtonian telescopes with practical tests and real-world solutions.

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Collimation Myths: Separating Internet Advice from Optical Reality
Collimation Myths: Separating Internet Advice from Optical Reality

Collimation myths are everywhere in astronomy. Learn what actually matters for telescope alignment-no lasers, no rituals, just real optics and practical tips to get clear stars without wasting time.

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