Based on ISO 12233:2000, the QA-77 has all of the original features as the QA-72 plus several new ones, such as; Star Sector target; 5° slant bar; 5° dark gray square for SFR analysis as well as a greater resolution range, from 100 - 4000 Line Width / Pixel Height and hyperbolic wedges.
Common standard specifications
| Product NO | Multiple | Size |
| NE-10-50A | 0,5X | 10x17.8 cm |
| NE-10-100A | 1X | 20x35.6 cm |
| NE-10-200A | 2X | 40x71.1 cm |
| NE-10-400A | 4X | 80x142.2 cm |
| NE-10-800A | 8X | 160x284.4 cm |
This chart does not conform to the updated ISO 12233:2014 standard. We recommend thePhotographic ISO 12233:2014 E-SFR chart for testing that does not specifically require the old chart.
