Lenses for mirrorless: how Canon, Nikon, Panasonic and Sony full-frame options compare

The move to mirrorless by some of the industry's biggest players put the focus on their new lens lineups. In our recent look at ~$2000 full frame mirrorless cameras, we said that choosing between them is as much about buying into a lens system as anything else. In this article, we're going to have a look at the four full-frame mirrorless systems to see what they offer and where they might yet go. As well as the lenses currently available, we'll consider the degree of support provided by third-pa...