From Kenko Tokina:
Kenko Tokina Co., Ltd. is pleased to announce the worldwide sales date for the new Tokina opera 50mm F1.4 FF lens (Canon EF/Nikon F mount) for full frame DSLR cameras.
Sales will commence on October 26th, 2018
50mm F1.4 FF is the debut lens in the new Tokina opera series released on September 21st and presented at Photokina 2018, marking the launch of the new generation premium full frame line for high-end DSLR cameras.
Tokina opera 50mm f/1.4 FF Lens - B&H