Product Highlights

Aperture Range: f/1.4 to f/16
One Molded Glass Aspherical Element
Three Special Low Dispersion Elements
Super Multi-Layer Coating
Floating System & Large Diameter Design
Hyper Sonic AF Motor
Rounded Nine-Blade Diaphragm
Thermally Stable Composite Material
Brass Bayonet Mount
Compatible with Sigma USB Dock

in box;

Sigma 50mm f/1.4 DG HSM Art Lens for Nikon F
LCF III 77mm Front Lens Cap
LCR II Rear Lens Cap for Nikon F
LH830-02 Lens Hood
Limited 1-Year  Southerners Warranty Against Manufacturing and Workmanship Defects
Limited 3-Year S.A. Extended Warranty Extension Against Manufacturing and Workmanship Defects