Classic ISO 12233 vs eSFR Chart: Which Test Chart Do You Need?
TLDR — The 30-Second Answer Buy the classic ISO 12233 chart if you need backward compatibility with legacy test rigs, visual resolution reading from hyperbolic wedges, or a single chart that covers 1:1 / 4:3 / 3:2 / 16:9 framing in one shot. Buy the eSFR ISO chart if you are running automated image quality […]