Join Date: Sep 2011
Location: Douglas, Wyoming
Yeah, it's just hard plastic on the back of the screen, like the rest of the camera body. You can still shoot photos, you just have to use the camera's small viewfinder for framing your shot and checking your focus, ISO, shutter speed, and aperture.
But you can't shoot video with it closed. The reason for that is because when you start shooting video, the camera has to lock the interior mirror in the open position for continuous recording, so you have to use the LCD screen to see what your camera is recording.