Mister Roboto: No thanks, I will stick with my E-M10 + 9mm BCL. ^_^
For now, the Hexanon AR lens stay on my NEX-6.
You bring up a 18mm f/16 equiv. fixed aperture fisheye, that costs $90 on the product announcement page for a 10mm f/5.6 full frame lens costing hundreds of dollars? Really?