Yesterday Nikon announced their newest DSLR camera, the Nikon D7000.  What’s unique about this camera is that when shooting video in full HD, the camera has full-time auto-focus, which means as you shoot video, the camera will do all of the focusing for you.  Up until now, auto-focus hasn’t been available in DSLR cameras…at least not when shooting full HD. The D7000 is a mid...