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

Photo Rumors hears the two shooters will switch to a newer, faster hybrid (both contrast and phase detection) focusing system that also includes Sony NEX-style manual focus peaking, which provides a rough visual guide as to when a subject is as sharp as possible.

ENGADGET: Fujifilm X20 and X100s details reportedly leak, put focus at center stage

The A99's dual phase-detection autofocus systems also serves the A99 well, particularly when shooting videos.

ENGADGET: Sony Alpha A99 DSLR sample shots and video, plus comparison with the RX1 full-frame compact

Thus, boost-phase interception requires very prompt detection of a missile launch -- which adverse cloud and weather conditions can make difficult or impossible.

CENTERFORSECURITYPOLICY: Multilateral madness