Improved Autofocus (stills)
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Improved Autofocus (stills)

One of the major features is the camera's improved autofocus. The biggest changes come when shooting bursts of stills. Panasonic says it found a way to re-work its subject recognition algorithm in a way that lets the AF system perform more Depth-from-Defocus calculations. This reduces the amount of hunting (and distracting viewfinder flutter) when performing continuous AF.

In addition to being able to use DFD more, the S5 also gains human head recognition, on top of the body, face and eye recognition that were already offered. This helps make sure that subject tracking doesn't lose your subject or switch to a different person if your original subject turns away from the camera.

AF in stills is also based on reading the sensor out faster, which improves the speed at which it can recognize subjects. Other improvements allow it to recognize subjects that are smaller in the frame, better-recognize faces if they're tilted to one side, and recognize eyes when subjects are side-on to the camera.