Kit includes Tokina 17-35mm f/4 Pro FX Lens for Canon Cameras, 2x 128GB Memory Card, Corel Mac Software, USB Card Reader, Memory Card Wallet, 3 Piece Filter, Heavy Duty Lens Case, Deluxe Cleaning Kit. The 17-35mm f/4 Pro FX Lens for Canon Cameras from Tokina is designed for use with a Canon full frame digital or film camera. Wide-Angle 17-35mm Zoom Two Super-Low Dispersion Glass Elements. Bright Constant f/4 for Low Light Photos One Aspheric Glass Element. This compact wide-angle zoom has a bright constant F/4 aperture make viewing and auto focus possible in lower light situations