Quote Originally Posted by Kayaker72 View Post
That has always been my assumption. But, for example Peety has said the 5DsR AF is far superior to the 5DIII. All I am saying is that I am reading and paying attention. If the 5DIV is generating similar buzz, that would be a big selling point to me. It may not be 1D level, but that is the type of improvement that I would absolutely gain something from.
I "blame" that on CPU support. 5D3 is single Digic. 5DsR is dual Digic. 1Dx is two Digics solely for image processing, and a third (older model) Digic for exposure and AF. All three (AFAIK) share the exact same AF sensor.