Enhanced Digital Camera Resolution Chart Based on ISO-12233, 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.
Part No. QA-77-1-P-CG QA-77-1-P-OP QA-77-2-P-CG QA-77-2-P-OP QA-77-P-RM QA-77-3-P-RM QA-77-4-P-RM
Active Area 20 x 36mm (0.79 x 1.4in) 20 x 36mm (0.79 x 1.4in) 100 x 178mm (3.94 x 7in) 100 x 178mm (3.94 x 7in) 200 x 356mm (7.87 x 14in) 400 x 711mm (15.75 x 28in) 800 x 1422mm (31.5 x 56in)
Material Chrome on Glass OPal glass Chrome on Glass OPal glass Reflective Material Reflective Material Reflective Material