Loose Optic Presents As Mechanical Backlash And/Or Offset Issue
A loose mirror or focus lens can mimic mechanical backlash or scanning offset problems; this article explains the symptoms, root cause, and checks to perform.
Preface: A Loose Optic (Mirror, lens) can present itself as excessive mechanical backlash and/or scanning offset value issue. This article will address the symptom and possible causes.
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