Interview: Canon's Chuck Westfall on the EOS 5DS and 5DS R

Canon's Chuck Westfall has seen the company introduce a lot of new technology, but it's safe to say he hasn't seen anything quite like the launch of the EOS 5DS and 5DS R. Our own Richard Butler sat down with Chuck to talk about the new 50MP sensor, what sort of noise performance and dynamic range we can expect to see from it and the cameras' intended audience. See video