Canon EOS 70D: Yet Another Incredible Video DSLR From CanonS
Canon has always been one step ahead of the pack when it comes
to putting video in DSLRs. From the pro 5D to the beginner Rebel
T's, it's been a leader. But the new tech in the Canon EOS 70D
could change things forever once again.  The Canon EOS 70D uses
a new 20.2-megapixel APS-C sensor. That spec might not sound all
the remarkable from the outset, but the sensor's architecture is
completely new, which allows the camera to achieve the fastest
and most precise continuous autofocus while recording video. For
many shooters, this is the holy grail. The killer feature
they've been waiting for.  Canon EOS 70D: Yet Another Incredible
Video DSLR From CanonS  Let's back up. On the entry-level T4i
last year, Canon started using a hybrid autofocus system that
used a combination contrast and phase detection autofocus system
so that the camera could focus continuously while recording
video.  When recording video, DSLRs use sensor-based autofocus,
rather than t