Kit Includes Sigma 16mm f/1.4 DC DN Contemporary Lens for Micro Four Thirds, 67mm Filter kit, 64GB Memory Card, USB Card Reader,Padded Lens Case,Cleaning Kit. Wide-angle prime is designed for Micro Four Thirds mirrorless cameras and provides a 32mm equivalent focal length. Micro Four Thirds System 32mm (35mm Equivalent). Aperture Range: f/1.4 to f/16 Two SLD Elements, Three FLD Elements