Currently there are 16 native Wideangle Prime lenses for Sony A99 II and 9 of these lenses are autofocus (AF) type.
A99 II also has a sensor based image stabilization system which means that all of these lenses will be stabilized when used on A99 II.
Since Sony A99 II has environmental sealings (Weather Sealing), you may like to couple your camera with one of these 1 Wideangle Prime lenses with Weather Sealings.