8.2-megapixel CMOS sensor--3:2 aspect ratio the same as in 35mm cameras
Compatible with Canon professional EF lenses (except the EF-S line)
Continuous shooting 8.5 frames per second at full resolution; rugged, weather-resistant magnesium alloy
Supports both CompactFlash Type I and II and Secure Digital (SD) memory cards
Powered by rechargeable NiMH battery pack; connects to PCs and Macs via FireWire and USB 1.1