What Does the Surge In Third Party Mirrorless Lenses Tell Us?

If you didn't notice the onslaught of third-party lens manufacturers launching mirrorless focused lenses last month you must have been living under a rock. It is notable, for many reasons, but for starters, it is very telling in how it shows what these companies are thinking with regards to Mirrorless systems, but in particular, Sony's FE system. These companies are businesses, obviously, and they have people whose job it is to identify potential revenue streams and decide the direction the comp...