|Contrast Value||1.15:1 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, in both 4:3 and 16:9 ratios.
The QA-70D-1-E-P-RM has a contrast ratio of 1.15 to 1.