Currently there are 22 native Wideangle Prime lenses for Canon R7 and 12 of these lenses are autofocus (AF) type.
R7 also has a sensor based image stabilization system which means that all of these lenses will be stabilized when used on R7.
Since Canon R7 has environmental sealings (Weather Sealing), you may like to couple your camera with one of these 9 Wideangle Prime lenses with Weather Sealings.