Nokishita has just confirmed that Canon will soon announce two new RF lenses in the next few days. These two RF lenses are RF 70-200mm f/4L IS USM lens and RF 50mm f/1.8 STM lens. The lens hood for RF 70-200mm f/4L IS USM lens is ET-83G (WIII), the lens hood for RF 50mm f/1.8 STM lens is ES-65B.
According to CR, a new RF mount lens roadmap for Canon full frame mirrorless cameras seems leaked online. Along with soon to be announced RF 70-200mm f/4L IS USM lens and RF 50mm f/1.8 STM lens, there will be a total 14 new RF lenses coming in 2021, including “ground-breaking” TS-R autofocus tilt-shift lenses for the RF mount.
Finally, the exact announcement date for Canon EOS R5, EOS R6, and 6 new RF lenses & 2 teleconverters now confirmed, these new products will be officially announced on July 9th, 2020. CR has also leaked the new Canon RF mount lineup image above. The RF 600mm DO & RF 800mm DO IS STM lenses are in silver color.