According Nokishita blog, Tokina is rumored to announced their first full frame E-mount lens for Sony Alpha mirrorless cameras. The Tokina FiRIN 20mm f/2 FE MF lens.
Tokina FiRIN 20mm f/2 FE MF lens is a manual focus lens. Specs & price is not available yet. Stay tuned for more info.
via: Nokishita