| Button | Function | Why | |--------|----------|-----| | (top) | Focus Mode (AF-S / AF-C / MF) | Quickly switch between stills and action | | C2 (near lens) | ISO | Faster than the Fn menu | | AEL toggle | Eye AF | Hold to focus on eyes instantly |
Published: April 17, 2026 | Category: Camera Guides sony a6400 camera guide
If you’ve just unboxed a Sony a6400, congratulations. You’re holding one of the best APS-C mirrorless cameras ever made. It’s fast, compact, and packed with features like “real-time tracking” autofocus that was previously only found in Sony’s pro-level bodies. | Button | Function | Why | |--------|----------|-----|