High-Speed Sync vs. Global Shutter for Flash Portraits in Bright Sun

Shoot a flash portrait at f/1.2 in midday sun and you run into a wall fast: most cameras stop syncing with a flash somewhere around 1/160 to 1/250 s, and anything faster leaves dark bands across the frame. Sony's a9 III and its global shutter offer a way past that wall, which puts high-speed sync, the usual workaround, in an interesting spot. [Read More]