Quote Originally Posted by Steve U View Post
This new model 120-300mm is weathersealed and may be a half priced alternative to the Canon 300/2.8, for those in the market for that sort of lens.
Other than being able to shoot at 300mm at f/2.8, it will be a tall order for the 120-300mm to compete in IQ. The 300mm f/2.8 I and II version are both in a league of their own. The 70-200mm F/2.8L II doesn't even compete in this league.