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
Nikon F Lens Mount
Compatible with Sigma USB Dock