Sony has just unveiled the RX100 Mark VII, and the latest iteration of their popular, powerful point-and-shoot camera is a veritable speed demon. Thanks to a new sensor, the RX100 VII can shoot at 20fps with no blackout and full AF/AE, can perform 90fps bursts with AF/AE locked, and promises Sony a9 level autofocus performance. On the surface, the Sony RX100 VII looks the same as the previous iteration. It features the same 24-200mm f/2.8-f/4.5 zoom lens, the same pop-up…