This is the image of the rumored Yongnuo YN 85mm F1.8 lens. According to the latest rumors from NR, Yongnuo will soon announce this new lens along with YN 100mm F2 and YN 50mm F1.4.
So far, there are two cheap DSLR full frame lenses: 50mm f/1.8 and 35mm f/2 in the market.