Cool: Tamron patented a new 20-50mm f/2.0 FE lens

It looks like Tamron might release some more super fast zooms for the Sony E-mount. This newly published Japanese patent describes the design of a new 20-50mm f/2.0 FE zoom. The total length of the lens would be 15cm.

specs:
f (focal length) 25.78 35.45 48.51
Fno (F value) 2.06 2.06 2.06
W (half angle of view) 41.07 31.21 23.00
Y (image height) 20.61 21.63 21.63
TL (total length) ) 150.05 145.05 144.82