Tokina 11-16mm f/2.8 AT-X116 Pro DX II for Canon + 77mm UV Filter + Mini Tripod Kit Designed for Cameras with APS-C Sensors Mount availability: Canon and Nikon APS-C Focal length: 11 - 16mm Maximum aperture: f/2.8 Minimum ap 11-16mm f/2.8 AF Lens Internal Silent Focusing AF Motor One Touch Focus Clutch Mechanism