How to Measure Camera Dynamic Range with an OECF Chart — A Complete Practical Guide
There’s a mistake we see every month in camera test labs around the world: a team buys an 80:1 reflective OECF chart to characterize a brand-new HDR sensor that claims 14 stops of dynamic range. They run the test, get a measurement of about 6.5 stops, and conclude that “the sensor doesn’t perform as advertised.” […]