Currently there are 20 native Wideangle Zoom lenses for Canon 1Ds MIII and all of these lenses are autofocus (AF) type.
Canon 1Ds MIII doesn't have a sensor based image stabilization system but 3 of these Wideangle Zoom lenses features optical image stabilization.
Since Canon 1Ds MIII has environmental sealings (Weather Sealing), you may like to couple your camera with one of these 12 Wideangle Zoom lenses with Weather Sealings.