Material Reflective Material
Polarity Positive
Contrast Value 1.6:1 ratio
Overall Size 15.58 in. x 9.45 in. - 395.7mm x 240.1mm
  x $315.00

Wedges of 4 dark lines converge to allow measurement of digital camera resolution up to 8000 Lines Per Picture Height (TVL). Measurements can be performed in the center and all 4 corners to 8000 lines, in both 4:3 and 16:9 ratios. 

The QA-70D-1-D-P-RM has a contrast ratio of 1.6 to 1.

Additional Information: