High Precision Ronchi Rulings

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  • Chrome on Glass
  • High Tolerance
  • Superior to Etched and Filled Rulings
  • Lines Parallel to Edge
  • English and Metric Versions

High Precision Ronchi Ruling Glass targets are excellent for evaluating resolution, field distortion, and parfocal stability. Many different Linepairs Per Inch (LPI) and Linepairs Per Millimeter (lp/mm) versions available. 1", 2", 4" and 6" squares available.