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Precision Fluorescent Ronchi Ruling Slides Available From Edmund Optics Edmund Optics' Precision Ronchi Ruling Glass Slides are excellent for evaluating resolution, field distortion, and parfocal stability of fluorescent microscopes and vision systems. The fluorescent backing allows the user to test system performance using the same UV light source that is used in their application. All fluorescent rulings are deposited on fused silica substrates and many different resolutions are available from 5 to 600 lp/mm (line pairs per mm).
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