The LUMIX G adopts Contrast AF for its focus system. Compared with the Phase difference system AF, the Contrast AF boasts higher accuracy especially in shooting with bright lens with small F value. The DMC-GX7 also features high-speed Light Speed AF, making it possible to capture even the fast-moving subject clearly. The camera and the lens exchange the digital signal at max. 240 fps to minimize the time to focus.http://panasonic.net/avc/lumix/system...

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