Canon 5D mark III book appeared on amazon France and the release date of the book is March 9, 2012, according to latest rumors 5D mark III/X is expected to announced on Feb 28, 2012 .
The 5D mark III/X will feature 21 Mp FF sensor, 61 AF point, DIGIC 5 image processor, 6.9 fps, improved ISO and IQ, expected to arrive in stock at the end of march or 1st week April.
src - canon rumors
