We've seen plenty of 4K cameras, and we've even heard a whisper or two about 8K, but the quality of a viewing experience isn't tied only to resolution -- frame rate also comes into play, especially with fast-moving subjects. NHK's prototype Super Hi-Vision camera doubles the capture rate from the standard 60Hz to a much speedier 120Hz, yielding sharper motion. While the difference isn't noticeable with static or slow-moving scenes, it certainly comes into play when fi