Kit includes ZEISS Milvus 15mm f/2.8 ZE Lens for Canon EF, 2x 64GB Memory Cards, Memory Card Wallet, USB/SD/microSD Card Reader, Heavy Duty Lens Case, UV Filter, Cleaning Kit. An impressive wide-angle prime for Canon EF-mount cameras, however can also be used with APS-C models where it will provide a 24mm equivalent focal length. EF-Mount Lens/Full-Frame Format Aperture Range: f/2.8 to f/23. Five Low Dispersion Elements Two Aspherical Elements. Distagon optical concept affords high sharpness, well-corrected image quality from edge-to-edge, and very low field curvature