The frame lines frame precisely the shot the photographer envisages, while allowing a clear view of the scene outside the viewfinder frame.

ENGADGET: Leica M9-P looks like it costs a fortune, doesn't disappoint

Enthusiasts will also appreciate other thoughtful features made to appeal to more advanced photographers, such as the 100% frame coverage seen through optical viewfinder.

ENGADGET: Nikon unveils lightweight, full-frame D600 DSLR -- hands-on and low-light samples (video)