There is an excellent analysis of the Sony A7R from the standpoint of a very thoughtful and talented American landscape photographer, Michael Frye, in his blog. http://www.michaelfrye.com/landscape-photography-blog/2014/04/18/sony-a7r/#more-6081.
He has been shooting 4x5 and Canon, and his comments are particularly relevant for someone with a complement of high quality Canon lenses.
He has been shooting 4x5 and Canon, and his comments are particularly relevant for someone with a complement of high quality Canon lenses.