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Technical Insights
Technical articles exploring zebra-angle evaluation, optical distortion and the practical factors that influence repeatable glass-quality measurement.
Manual zebra angle inspection is influenced by practical testing conditions, including viewing angle, lighting, zebra board quality and operator interpretation. Understanding these factors is important when comparing optical distortion results across shifts, lines or plants.
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Manual zebra angle evaluation depends heavily on what an operator can visually distinguish in the reflected zebra pattern. Subtle optical distortion may produce only very small changes in stripe displacement, making consistent visual interpretation difficult under real production conditions.
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