The great outdoors: Canon EOS 5DS and 5DSR Field Test

Mikey Shaefer is no stranger to the great outdoors. As a professional photographer who specializes in shooting in some of the most extreme environments on earth, he tests his body - and his gear - to the limits. In this field test we're following Mikey as he shoots outdoor sports with Canon's EOS 5DS and 5DSR, near his home town in Oregon.