Currently there are 12 native Wideangle Zoom lenses for Sony A7 and 11 of these lenses are autofocus (AF) type.
Sony A7 doesn't have a sensor based image stabilization system but 1 of these Wideangle Zoom lenses features optical image stabilization.
Since Sony A7 has environmental sealings (Weather Sealing), you may like to couple your camera with one of these 11 Wideangle Zoom lenses with Weather Sealings.