Sigma 30mm f/1.4 DC DN Contemporary Lens for Micro Four Thirds Specifications: - Micro Four Thirds System - 60mm (35mm Equivalent) - Aperture Range: f/1.4 to f/16 - Three Aspherical Surfaces - One High-Refractive Index Element - Super Multi-Layer Coating - Stepping AF Motor - Rounded 9-Blade Diaphragm - TSC Construction, Brass Bayonet Mount What's in the box Sigma 30mm f/1.4 DC DN Contemporary Lens for Micro Four Thirds LCF-52 III 52mm Lens Cap Rear Cap LCR II for Micro 4/3 Mount Lenses Lens Hood for 30mm f/1.4 DC DN Contemporary Lens