Nikon is in a very competitive market, so that has to do other manufacturers a direct impact on Nikon's product direction. Twenty years ago, followed, established in the possession of the Nikon professional 35mm photography, and then AF came from digital. Canon has traditionally been the No. 2 company. However, with autofocus, Canon procedures performed, since both companies updated their product lines with new technology. Then came digital photography, seized the opportunity, Canon, and byInnovation and marketing more aggressively than Nikon, they took the number one. They became the camera of choice for most professionals, the early 21st Century. Nikon responds hard in late 2007 with the launch of the D3 and D300 - who are precisely the Olympic Games in Beijing, that about half of the professional witnesses were shooting Nikon, Canon and the rest. Four years ago in Athens, Nikon's were few and far between. Now it's the second half of 2008, and Canon is shooting ba...