As we might expect with a camera that is designed for use by sports and reportage photographers, the majority of the changes made since the Nikon D3S for the D4 are aimed at making the new camera quicker and easier to use. The move to a faster EXPEED 3 processing system, for example, is an obvious step, but there are other control and ergonomic changes that make a significant difference to how the camera is used.



Link: Techradar