Camera Beta on weibo is claiming Tamron will release multiple f/2 lenses based on a patent that was found from Tamron:
20mm f / 2.0
24mm f / 2.0
28mm f / 2.0
35mm f / 2.0
40mm f / 2.0
60mm f / 2.5
85mm f / 2.0
via weibo
Camera Beta on weibo is claiming Tamron will release multiple f/2 lenses based on a patent that was found from Tamron:
20mm f / 2.0
24mm f / 2.0
28mm f / 2.0
35mm f / 2.0
40mm f / 2.0
60mm f / 2.5
85mm f / 2.0
via weibo