Currently there are 22 native Standard Prime lenses for Fujifilm S2 Pro and 14 of these lenses are autofocus (AF) type.
Fujifilm S2 Pro doesn't have a sensor based image stabilization system but 1 of these Standard Prime lenses features optical image stabilization.
Since Fujifilm S2 Pro has environmental sealings (Weather Sealing), you may like to couple your camera with one of these 4 Standard Prime lenses with Weather Sealings.