I am more than likely going to purchase a 70-200 f/2.8 IS very soon and I am wondering about the range of it. What I woud like to know is this: How far away is the 200mm usable? In other words, how far away could I get a head shot, upper body shot, or focus on an animal in the wild? I am just trying to get an idea of the usable range of this lens and I am having a difficult time figuring it out from the pictures people have posted. They may say, taken at 200mm, but they do not say the distance from the object. Any help would be greatly appreciated. Thanks.




