The F900EXR automatically switches between Phase Detection AF and ContrastDetection AF depending on the subject and scene, guaranteeing superb ease-of-use and fast, accurate autofocus no matter what the setting or shooting conditions.
Unfortunately, the autofocus is only contrast-detection, but Samsung is steadfast to claim that it's one of the fastest to the draw against the competition.
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.
Dr. Kaul is an internationally recognized heart researcher renowned for developing microbubble-based myocardial contrast echocardiography for the early detection of coronary heart disease.