Product Highlights: Aperture Range: f/1.8-16 Fast Constant Maximum Aperture Designed for APS-C-Sized Sensors 35mm Equivalent Focal Length: 27-52.5mm Hyper Sonic AF Motor Internal Focusing and Zoom Design Four Aspherical & 5 SLD Glass Elements Super Multi-Layer Coating Sigma SA Lens Mount Compatible with Sigma USB Dock
