Tamron announced that the new 20mm F/2.8 Di III OSD M1:2 (Model F050) lens for Sony E-mount will be on sale in the USA on January 30, 2020 for $349 (pre-orders now open at Adorama and B&H).
Now, all three close-focusing prime lenses including the 24mm f/2.8 Di III OSD M1:2 (Model F051) and the 35mm f/2.8 Di III OSD M1:2 (Model F053) will be on the market (see Adorama and B&H). Lens features: