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)