Quote Originally Posted by conropl View Post
When I use my 100-400mm (which is a far amount), it is usually at 400mm (640mm equivalant). The FF is not going to afford me that kind of reach, and I do not see a solution to that beyond spending a lot of money.
Keep your 7D handy, or if the 7D sale is funding the full-frame, buy a 1.4X extender. Distant wildlife, and the occasional agility movie are the only uses my 7D sees these days, and I've got an ancient FF camera.