I was hunting down the old Mk I model but I see there is a newer version of the VC 15mm II which reputes to fix corners.
I might hold off now till this is available. So I could end up with the Mk III 15mm on the A7 Mk II. So many Marks.
First image of the new Voigtlander 15mm Heliar III on the A7r. | sonyalpharumors