As promised, Canon tonight launched the EOS-7D, its most advanced crop-frame digital SLR camera to date. The camera not only shoots at 18 megapixels, one of the highest resolutions for a camera that isn't full-frame, but also gives it two DIGIC 4 processors that help it shoot more quickly than other cameras in its class. It can shoot bursts of 8 frames per second for up to 15 shots in RAW or 126
