Supporting the D600 is Nikon's heritage in optical excellence, more than 70 NIKKOR AF and AF-S compatible lenses for maximum versatility.

ENGADGET: Nikon unveils lightweight, full-frame D600 DSLR -- hands-on and low-light samples (video)

To support the ample sensitivity of the new camera's sensor, the EOS 6D camera's Auto Focus (AF) system includes a newly-developed 11-point AF sensor featuring a high-precision center cross-type point with an exceptional EV -3 sensitivity rating for accurate focusing even in extremely low-light conditions.

ENGADGET: Canon unveils EOS 6D DSLR: full frame sensor and WiFi for $2,099 in December

It follows NICE's recent approval of another drug - dabigatran - for AF.

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The combination of the speedy response of the touchscreen panel and the FAST (Frequency Acceleration Sensor Technology) AF system, the same technology that made the Olympus OM-D the world's fastest autofocusing camera, gives users the power to capture precisely the image they want at precisely the moment they want it.

ENGADGET: Olympus E-PL5 and E-PM2: Micro Four Thirds cameras with OM-D-like focusing, performance boosts (hands-on)

Both cameras are equipped with Canon's latest advancements in auto focus (AF) technology enhancing AF speeds over previous SX-series cameras to capture the excitement in brilliant clarity and quality.

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The camera's subject tracking of moving objects in three dimensions, with full time servo AF (AF-F), ensures focus of moving objects throughout filming.

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