Kit includes Sigma 16-28mm f/2.8 DG DN Contemporary Lens (Sony E), 128GB Memory Card, Memory Card Case, USB Card Reader, Heavy Duty Lens Case, UV Filter, 12 Inch Flexible Tripod, Deluxe Cleaning Kit. The Sigma 16-28mm f/2.8 DG DN Contemporary Lens is a compact, high-performance ultrawide zoom providing a versatile range of focal lengths in a small and lightweight package. Full-Frame Format f/2.8 to f/22 Internal Focus and Zoom Design. Weather-Sealed Construction Stepping AF Motor. Rounded 9-Blade Diaphragm