22MP full frame CMOS sensor
ISO 100-25600 standard, 50-102, 800 expanded
6 fps continuous shooting
Shutter rated to 150, 000 frames
1080p30 video recording, stereo sound via external mic
61 point AF system
63 zone iFCL metering system
100% viewfinder coverage
1040k dot 3:2 LCD
Dual card slots for CF and SD
Most of the key specs are substantially upgraded compared to the 5D Mark II. The new sensor, coupled with Canons latest DIGIC 5+ processor, offers a standard ISO range of 100 - 25, 600 thats expandable to 50 - 102, 800.