The I3A/ISO Camera Resolution Chart conforms to the ISO-12233 standard, "Photography-Electronic still picture cameras - Resolution measurements". This target's active area at 1X size, measures 20 cm high and has features of 0.1 mm. All features vary as a multiple of the overall chart size. Hyperbolic wedges for resolution evaluation range from 100 - 2000 lines per picture height. Other features include checker patterns, multiple slant-edge lines, a center-focus zone plate and framing marks for 1:1, 4:3, 3:2, and 16:9 aspect ratios.
For image quality evaluation using this target by means of SFR, see (software location) for the Slant Edge Analysis Tool
Based on ISO-12233, the QA-77 has all of the original features as the QA-72 plus several new one...