Sigma has announced the US price for the 28mm f/1.4 DG HSM Art Lens for Sony E-mount full frame mirrorless cameras. The US price for this lens is $1,399.00, now available for pre-order B&H Photo Video/Adorama. The release date for Sony E-mount is not released yet.
Sigma 28mm f/1.4 DG HSM Art Lens for Sony E-mount – $1,399.00 – at B&H Photo Video/Adorama
It seems that this lens has same price as recently released Sony FE 24mm f/1.4 GM lens ($1,398, while still out of stock everywhere.)