Just posted: Our hands-on preview of Canon's latest mid-range SLR, the EOS 70D. From the outside it looks very similar to the EOS 60D, but on the inside it sports a brand-new 'Dual Pixel CMOS AF' sensor that promises much-improved focusing in live view and movie mode. It also borrows most of the best bits of Canon's existing SLRs, including the AF module from the EOS 7D, the articulated touchscreen from the EOS 700D, and built-in Wi-Fi from the EOS 6D. In our detailed preview we take a closer look, and try to get to grips with its innovative sensor technology.