The Tokina FiRIN 20mm f/2 FE AF lens is one of upcoming Sony full frame E-mount lens at CP+ Show. The release date for this lens is in late May, 2018. You can check price and pre-order option at B&H Photo Video.
Here is the first AF test of Tokina FiRIN 20mm f/2 FE AF lens at CP+ Show 2018. You can see the video above.