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**Sharp in the center, but blurry at the edges?** This is a problem that can happen in line scan imaging. Sometimes the lens is not the only reason. Field curvature, astigmatism, sensor size or mechanical alignment may also affect the final image quality. Before replacing the lens, it's worth checking where the blur appears and what may be causing it. We shared a few practical points in our latest article, including what to check and how optical design can help. **Article link in the first comment.** #LineScanCamera #MachineVision #OpticalDesign #IndustrialInspection #LensAssembly #VYOptics

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