Sigma 16mm f1.4 DC DN Contemporary Lens for Canon EF-M

Key Features
EF-M-Mount Lens/APS-C Format
25.6mm (35mm Equivalent)
Aperture Range: f/1.4 to f/16
Two SLD Elements, Three FLD Elements
Two Aspherical Elements
Super Multi-Layer Coating
Stepping Motor AF System
Weather-Sealed Construction
Rounded 9-Blade Diaphragm