Sigma 56mm f/1.4 DC DN Contemporary Lens for Micro Four Thirds Specifications: - Micro Four Thirds System - 112mm (35mm Equivalent) - Aperture Range: f/1.4 to f/16 - One SLD Element, Two Aspherical Elements - Super Multi-Layer Coating - Stepping Motor AF System - Weather-Sealed Construction - Rounded 9-Blade Diaphragm What's in the box Sigma 56mm f/1.4 DC DN Contemporary Lens for Micro Four Thirds LCF-55 III 55mm Lens Cap Rear Cap LCR II for Micro 4/3 Mount Lenses LH582-01 Lens Hood