Until recently, there were no third-party autofocus lenses for RF mount; now, the Tamron joins several options from Sigma, including the quite similar 10-18mm ... to see the sample gallery $ ...

Sharpness is very good at f/1.8 and f/2, excellent from f/2.8 to f/8 and very good at f/11 and f/16. The edges are good at f/1.8 and f/2, very good from f/2.8 to f/5.6, good at f/8 and f/11 and ...