Currently there are 13 native Wideangle Prime lenses for Fujifilm X-T2 and 7 of these lenses are autofocus (AF) type.
Fujifilm X-T2 doesn't have a sensor based image stabilization system and none of these lenses have optical Image Stabilization.
Since Fujifilm X-T2 has environmental sealings (Weather Sealing), you may like to couple your camera with one of these 2 Wideangle Prime lenses with Weather Sealings.