Traditionally, phase detection in DSLRs has been conducted by a dedicated AF sensor.

传统上，数码单反相机使用一个单独的对焦感应器进行相位侦测。

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An optical apparatus is disclosed which can reliably form AF images and split the AF images to provide excellent focus detection performance in the phase difference detection method.

公开了一种光学装置，该光学装置在相位差检测方法中能可靠地形成AF像并分离该AF像以提供优良的焦点检测性能。

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The F900EXR uses its EXR-CMOS II sensor to shoot video full HD at a smooth 60 frames per second with improved Phase Detection AF with superior color reproduction.

ENGADGET: Fujifilm launches alphabet soup of point-and-shoot, compact and bridge cameras

The F900EXR automatically switches between Phase Detection AF and Contrast Detection AF depending on the subject and scene, guaranteeing superb ease-of-use and fast, accurate autofocus no matter what the setting or shooting conditions.

ENGADGET: Fujifilm launches alphabet soup of point-and-shoot, compact and bridge cameras