Olympus revs up auto-focusing speeds with the E-3, a single-lens reflex (SLR) digital camera loaded with an 11-point focusing sensor that can accurately capture fast-moving scenes. Designed for serious digital photographers, the 10-megapixel camera boasts a live image sensor, a 1/8,000-second shutter speed and a continuous shooting pace of five-frames-per second. The dust-resistant, splash-proof ...