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 8 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.