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2" x 2" (30 lp/mm), Ronchi Ruling

Stock #66-352
Qty 1-5
Qty 6
Volume Pricing
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Vacuum Deposited Chrome, OD >3.0
Dimensional Tolerance (inches):
Frequency (lp/mm):
Float Glass
Optical Density OD:
Dimensions (inches):
2 x 2
Surface Quality:
Thickness (mm):
Line to Line Parallelism (arcsec):
Parallelism of Pattern to Substrate (°):
Surface Flatness:

Regulatory Compliance

RoHS 2015:
REACH 201:

Product Family Description

  • 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.

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