Kit Includes Sigma 16mm f/1.4 DC DN Contemporary Lens for Sony E , USB Card Reader, 67mm UV Filter, Cleaning kit, Padded lens case. Wide-angle prime is designed for APS-C-format Sony E-mount mirrorless cameras and provides a 24mm equivalent focal length. E-Mount Lens/APS-C Format 24mm (35mm Equivalent). Aperture Range: f/1.4 to f/16. Two SLD Elements, Three FLD Elements