The al servo AF has also improved tracking for slow-moving subjects during macro photography.

该基地伺服自动对焦也有所改善，慢速拍摄对象，在宏观跟踪。

youdao

The focusing "torque" of the AF-S moving from area to area when tracking is the same speed and snappiness .

s模式下焦点从一个区域其换到另一格区域的反映速度与上述相同，很爽快。

youdao

The GF6 boasts high-speed, high precision Light Speed AF (auto focus) including practical full-time AF and tracking AF is available for video recording.

ENGADGET: Panasonic Lumix GF6 announced for the US, shipping in June for $600

Teamed with enhanced tracking AF, the upgraded lens is now even more suitable for capturing stills and Full HD video of fast-moving subjects.

ENGADGET: Sony NEX-3N and Alpha A58 unveiled, heading to Europe this spring

The VH-510 is equipped with simple auto functions, such as iAUTO, and Auto Tracking AF that allow anyone to easily take beautiful photos, even those who are new to digital cameras.

ENGADGET: Olympus expands its point-and-shoot offerings with Stylus VH-410 and VH-515