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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 Available

High Precision Ronchi Rulings are excellent for evaluating resolution, field distortion, and parfocal stability. The glass targets are coated with vacuum-deposited chrome and have a float glass substrate. English and Metric version are available with various Linepairs Per Inch (LPI) and Linepairs Per Millimeter (lp/mm) measurements. High Precision Ronchi Rulings are offered in 0.5”, 1", 2", and 4" squares.