Useful for measuring Video System distortion. Known dot diameters and spacing used to quantify Image field Actual distances versus Predicted distances. Corrections result for image processing or direct readings.
Pattern: Five (5) square dot arrays on 8” X 10” white film. (1) Dot spacing: 6.00mm. Dot dia.: 3.00mm. Square length (center to center): 150.00mm (2) Dot spacing: 3.00mm. Dot dia.: 1.50mm. Square length (center to center): 102.00mm. (3) Dot spacing: 1.50mm Dot dia.: 0.75mm. Square length (center to center): 72.00mm. (4) Dot spacing: 1.00mm. Dot dia.: 0.50mm. Square length (center to center): 48.00mm. (5) Dot spacing: 0.50mm. Dot dia.: 0.25mm. Square length (center to center): 24.00mm.
Material: White film with black emulsion dots for high contrast. Includes N.I.S.T. Traceable Certificate of Accuracy.