The A6400 can track eyes even when the subject turns away. Amazing for kids and pets.
Unlike many predecessors, the a6400 has no 29-minute video record limit and features improved heat management for long shoots. Notable Drawbacks Sony A6400 Review: A perfect vlogging camera? sony a6400 camera guide
At first glance, it looked like any other mirrorless camera. But the moment she pressed the power button, the screen flipped upward 180 degrees—click—and the autofocus system, a silent digital ghost, instantly locked onto her eye from across the room. She hadn't even touched a lens. The A6400 can track eyes even when the subject turns away
Press the Fn button. Hold it down until the menu pops up. Here is the optimal layout for the a6400: a silent digital ghost