Introduction
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All the information a machine vision system collects comes through the lens. The correct choice of lens can reduce image-processing requirements, and improve system performance and robustness. Software cannot correct the effects of a poorly chosen lens.
This primer provides the technical and practical information you need to choose a lens for a machine vision system. First we review design principles, providing simple formulas that form the basis of further calculations. From models, we proceed to a discussion of real-world lenses and practical parameters. A discussion of special lenses completes this primer.
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Machine Vision Guide © 2003, Melles Griot. All rights reserved.
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