A tour of the Canon EOS 40D.
Though the joystick (middle inset) isn't new, it remains one of the nicer navigation controls available on a digital camera.
Accommodating the larger LCD meant moving the buttons from the left side to the bottom. I generally find them easier to use when they're on the left, but my bigger complaint is the new feel; they're smaller and more flush with the body, which makes them a little harder to use. Canon also added a direct-access control for the Picture Styles on the far right.
Another addition to the body is an AF-ON button for initiating autofocus when in Live View mode. However, the button can also be configured to work like a traditional focus lock. Canon has historically eschewed the use of a separate focus button.
Photo Credit: CNET Networks