Currently there are 18 native Telephoto Zoom lenses for Sigma Quattro and all of these lenses are autofocus (AF) type.
Sigma Quattro doesn't have a sensor based image stabilization system but 11 of these Telephoto Zoom lenses features optical image stabilization.
Since Sigma Quattro has environmental sealings (Weather Sealing), you may like to couple your camera with one of these 5 Telephoto Zoom lenses with Weather Sealings.