I guess many of us were waiting for this: the possibility to use Sigma's excellent…
Yongnuo Might Soon Release Another RF Mount Lens, The YN 50mm F1.8R DF DSM
After the YN 85mm F1.8R DF DSM, Yongnuo might soon release a second lens for the RF mount.
It seems the YN 50mm F1.8R DF DSM has been displayed at P&I Shanghai (image on top). No information about the release to the general public and about the specifications.
[via asobinet]