Sigma 30mm f/2.8 DN ART Lens for Sony E-mount Nex Series Cameras, Black - Bundle with 46mm Filter Kit (UV/CPL/ND), Lenscap Leash II, Cleaning Kit, Lens Wrap, Special Professional Software Package Sigma 30mm f/2.8 DN ART Lens for Sony E-mount Nex Series Cameras - Front & Rear Lens Caps - Lens Hood - Carrying Case - Sigma 1 Year North and South America Limited Warranty (3 Year USA Extended Warranty Totaling 4 Years from Date of Purchase) - Bundle Includes: - 46mm Filter Kit (UV/CPL/ND2) - Lens Cap Leash - Cleaning Kit - Lens Wrap (15x15) - Software Package (Corel PaintShop Pro X9; Corel VideoStudio 9; Corel AfterShot 2 Pro; AutoFx Mystical Ultimate Bundle Gen2; FileCenter Pro) Standard length 30mm prime lens for Sony E-mount cameras with a 45mm focal length equivalent Maximum aperture of f/2.8 is effective in low light situations and able to create lovely shallow depth of field images Inner focusing system and linear autofocus motor for efficient, smooth, quiet and accurate focus Two glass molded aspherical elements, including a double-sided aspherical element and Super Multi-Layer Coating minimizes aberrations and reduces flare and ghosting for sharp, high contrast images