Europeans can already preorder the new Sony 50mm f/1.2 GM lens:
In Germany:
Fotokoch Germany. Calumet Germany, Foto Erhardt.
In UK:
ParkCameras UK. Jessops.
USA (preorders will open at 10:00 New York time):
Sony 50mm f/1.2 GM at BHphoto. Amazon. Adorama. FocusCamera.