Nikon D4S in pictures: Top-spec camera eyed behind glass at CES trade show - photo 1Nikon D4S in pictures: Top-spec camera eyed behind glass at CES trade show - photo 2Nikon D4S in pictures: Top-spec camera eyed behind glass at CES trade show - photo 3Nikon D4S in pictures: Top-spec camera eyed behind glass at CES trade show - photo 4Nikon D4S in pictures: Top-spec camera eyed behind glass at CES trade show - photo 5Nikon D4S in pictures: Top-spec camera eyed behind glass at CES trade show - photo 6