|Contrast Value||80:1 ratio|
|Overall Size||15.58 in. x 9.45 in. - 395.7mm x 240.1mm|
Wedges of 4 dark lines converge to allow measurement of digital camera resolution up to 8000 TVL ("lines per picture height"). Measurements to 8000 lines can be performed in the center and all 4 corners. The chart is arrayed for both 16:9 and 4:3 ratios.
The QA-70D-1-A-P-RM has a contrast ratio of 80 to 1.