Kit Includes Sigma 50mm f/2 DG DN Contemporary Lens, 256GB Memory Card, USB Card Reader, Heavy Duty Lens Case, 3 Piece Filter Kit, 12 Inch Flexible Tripod, Deluxe Cleaning Kit. The Sigma 50mm f/2 DG DN Contemporary Lens delivers sophisticated optical performance and fast autofocus in a compact and lightweight design. Full-Frame f/2 to f/22 Fast Internal Focus System. Sharp, Compact Prime I Series Lens. Dust & Splash-Resistant Design Knurled Focus and Aperture Rings