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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. 

Common Specifications

Dimensional Tolerance (inches):
±0.02
Thickness (mm):
1.50
Dimensional Tolerance (mm):
± 0.02
Line to Line Parallelism (arcsec):
≤2
Parallelism of Pattern to Substrate (°):
±1
Coating:
Vacuum Deposited Chrome, OD >3.0
Substrate:
Float Glass
Optical Density OD (Average):
3.00
Surface Quality:
60-40
Surface Flatness (P-V):

Products

 Title   Compare   Stock Number   Price  Buy
0.5" x 0.5" (72 lp/mm), Ronchi Ruling
0.5" x 0.5" (80 lp/mm), Ronchi Ruling
0.5" x 0.5" (100 lp/mm), Ronchi Ruling
0.5" x 0.5" (120 lp/mm), Ronchi Ruling
0.5" x 0.5" (200 lp/mm), Ronchi Ruling
0.5" x 0.5" (240 lp/mm), Ronchi Ruling
1" x 1" (5 lp/mm), Ronchi Ruling
1" x 1" (10 lp/mm), Ronchi Ruling
1" x 1" (20 lp/mm), Ronchi Ruling
1" x 1" (30 lp/mm), Ronchi Ruling
1" x 1" (40 lp/mm), Ronchi Ruling
1" x 1" (50 lp/mm), Ronchi Ruling
1" x 1" (60 lp/mm), Ronchi Ruling
1" x 1" (72 lp/mm), Ronchi Ruling
1" x 1" (80 lp/mm), Ronchi Ruling
1" x 1" (100 lp/mm), Ronchi Ruling
1" x 1" (120 lp/mm), Ronchi Ruling
1" x 1" (200 lp/mm), Ronchi Ruling
2" x 2" (5 lp/mm), Ronchi Ruling
2" x 2" (10 lp/mm), Ronchi Ruling
2" x 2" (20 lp/mm), Ronchi Ruling
2" x 2" (30 lp/mm), Ronchi Ruling
2" x 2" (40 lp/mm), Ronchi Ruling
2" x 2" (50 lp/mm), Ronchi Ruling
2" x 2" (60 lp/mm), Ronchi Ruling
2" x 2" (72 lp/mm), Ronchi Ruling
2" x 2" (80 lp/mm), Ronchi Ruling
2" x 2" (100 lp/mm), Ronchi Ruling
2" x 2" (120 lp/mm), Ronchi Ruling
1" x 1" (25 lp/inch), Ronchi Ruling
1" x 1" (50 lp/inch), Ronchi Ruling
1" x 1" (100 lp/inch), Ronchi Ruling
1" x 1" (150 lp/inch), Ronchi Ruling
1" x 1" (200 lp/inch), Ronchi Ruling
1" x 1" (250 lp/inch), Ronchi Ruling
1" x 1" (300 lp/inch), Ronchi Ruling
1" x 1" (500 lp/inch), Ronchi Ruling
1" x 1" (750 lp/inch), Ronchi Ruling
1" x 1" (1000 lp/inch), Ronchi Ruling
1" x 1" (2000 lp/inch), Ronchi Ruling
1" x 1" (2500 lp/inch), Ronchi Ruling
1" x 1" (3000 lp/inch), Ronchi Ruling
1" x 1" (5000 lp/inch), Ronchi Ruling
2" x 2" (25 lp/inch), Ronchi Ruling
2" x 2" (50 lp/inch), Ronchi Ruling
2" x 2" (100 lp/inch), Ronchi Ruling
2" x 2" (150 lp/inch), Ronchi Ruling
2" x 2" (200 lp/inch), Ronchi Ruling
2" x 2" (250 lp/inch), Ronchi Ruling
2" x 2" (300 lp/inch), Ronchi Ruling
2" x 2" (500 lp/inch), Ronchi Ruling
2" x 2" (750 lp/inch), Ronchi Ruling
2" x 2" (1000 lp/inch), Ronchi Ruling
4" x 4" (25 lp/inch), Ronchi Ruling
4" x 4" (50 lp/inch), Ronchi Ruling
4" x 4" (100 lp/inch), Ronchi Ruling
4" x 4" (150 lp/inch), Ronchi Ruling
4" x 4" (200 lp/inch), Ronchi Ruling
4" x 4" (250 lp/inch), Ronchi Ruling
4" x 4" (1000 lp/inch), Ronchi Ruling