The Olympus PEN E-P3 interchangeable-lens camera has a lot of improvements that make it one of the best DSLR alternatives out there: a new sensor, a new image processor, and perhaps most importantly, a new high-speed autofocus system. Add these features to touch-focus controls, creative modes, manual controls, and small size and it has everything it needs to fight for the top spot in the compact interchangeable-lens camera market.

This story, "Olympus PEN E-P3: A Small, Jam-Packed DSLR Alternative" was originally published by PCWorld.

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