The Multi-CAM 4800 DX AF sensor works in tandem with the Scene Recognition System to accurately acquire and track subjects throughout the frame.

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Whether shooting lush landscapes, action sports or the elusive animals of the Serengeti, Nikon's Scene Recognition System and 2, 016 pixel RGB sensor excels in any situation.

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Meanwhile, the 2, 016-pixel RGB metering sensor provides precise data to the camera's Scene Recognition System, which optimises exposure, autofocus and white balance immediately before the shutter is released.

ENGADGET: Nikon reveals D5200 SLR with D7000-taunting specs: 24MP sensor, 39-point AF, wireless port (hands-on)

What's more, Nikon's Scene Recognition system draws upon the 420-pixel RGB color 3D Matrix Meter for outstanding exposures under a variety of lighting conditions by integrating a database of tens of thousands of sample images.

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The Nikon D5200 shares an AF system, metering sensor and scene recognition with the Nikon D7000 series, giving this camera a new level of performance and much enhanced image quality.

ENGADGET: Nikon reveals D5200 SLR with D7000-taunting specs: 24MP sensor, 39-point AF, wireless port (hands-on)

The first step for a facial recognition system is to recognise a human face and extract it from the rest of the scene.

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