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Archive for March 29th, 2009

Star Testing - Ensuring the Quality of Telescope Optics

Star Testing - Ensuring the Quality of Telescope OpticsBy Zavier Fong
To ensure the quality of telescope optics, a very sensitive technique known as star testing is performed. Albeit an easy technique, correct interpretations of the results require careful examination and sufficient knowledge. Specifically, optical aberrations (oftentimes caused by imperfect optical systems or bad weather conditions) [...]