Line Grid Target
Blue Chrome on Opal Substrate
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CERTIFICATE OF ACCURACY
46248
SN: 8888-8888
Concentric Square Target
Dimensions: 76.2 x 76.2 x 1.5mm (3.2mm Thick for White Glass)
Square Sizes: 1, 2, 3, 4, 5, 10, 15, 20, 30, 40, 50mm
Line Width Tolerance: ±0.003mm
Diagonally Opposite Corner Spacing (50mm square): 70.7107mm ±0.004mm
Centering Tolerance: ±0.003mm
Surface Flatness: 1 wave per mm
Surface Quality: 20-10 (within 50mm sq. area)
Coating: Vacuum-deposited chromium oxide (specular reflectivity < 5% @ 550nm)
Concentric Square Target #46-248 £394.40
Concentric Square Target on White Glass #58-773 £494.70
Checkerboard Calibration Targets
Thickness (mm): 1.52 ±0.10
Dimmensional Tolerance (mm): ±0.10
Coating: Opal: Blue Chrome,
(Rabs <7% @ 550nm)
Glass: Low Reflective Chrome,
(Target Reflectivity <25% at 550nm)
Pattern Size Tolerance: ±0.002 (±0.005 for #12-202)
• Chrome Pattern on Dimensionally Stable
Glass Substrates
• Optimized for Reflective Illumination
Calibration of Imaging Systems
• Various Sizes for Small or Large Field of
Views
Checkerboard Calibration Targets
Dimensions (mm) Pattern Size (mm) Opal Stock No. Price Glass Stock No. Price
20 x 20 0.2 x 0.2 #12-197 £340.00 #15-974 £369.75
30 x 30 0.4 x 0.4 #12-198 £340.00 #15-975 £369.75
40 x 40 0.6 x 0.6 #12-199 £459.00 #15-976 £488.75
50 x 50 0.8 x 0.8 #12-200 £459.00 #15-977 £488.75
60 x 60 1.0 x 1.0 #12-201 £585.65 #15-978 £636.65
80 x 80 1.4 x 1.4 #12-202 £630.70 #15-979 £667.25
• Test and Correction of Distortion in Vision Systems
• Calibration of Perspective Error in Microscope Stages
• Measure Physical Field of View
Designed for calibration of vision systems and microscope stages, the Line Grid Target offers repeated parallel
lines in both X and Y axes. Using these lines as a reference, distortion and perspective error can be quantified
and calibrated out of a system. Two types of targets are available, Chrome on Glass, and Low Reflection
Chrome on clear glass, bonded to a white backing plate. The Low Reflection Chrome can be used with front
lighting, without creating highlights that degrade the image of the target.
Line Grid Target
2" x 2" Chrome on Glass 1" x 1" Low Reflective Chrome 2" x 2" Low Reflective Chrome
Overall Dimensions (L x W x D): 50.8 x 50.8 x 1.5mm 25.4 x 25.4 x 2.5mm 50.8 x 50.8 x 2.5mm
Pattern Area: 30.1 x 30.1mm 20.0 x 20.0mm 30.1 x 30.1mm
Substrate: Clear Float Glass Clear Glass Bonded to White Backing Substrate Clear Glass Bonded to White Backing Substrate
Coating: OD >3.0 OD >3.0 OD >3.0
Line Spacing (Center to Center): 1.00 ±0.001mm 1.00 ±0.001mm 1.00 ±0.001mm
Line Thickness (Center Line): 0.05 ±0.002mm 0.125 ±0.005mm 0.1 ±0.002mm
Line Thickness (Inner lines): 0.05 ±0.002mm 0.075 ±0.005mm 0.075 ±0.002mm
Overall Accuracy: ±0.002mm ±0.002mm ±0.002mm
Surface Quality: 20-10 over active area, 60-40 outside 20-10 over active area, 60-40 outside 20-10 over active area, 60-40 outside
Flatness: 3 - 4l 3 - 4l 3 - 4l
Stock No. / Price #62-536 £425.00 #62-537 £425.00 #62-538 £494.70
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