Positioned as a workhorse lens among Sony E-mount full-frame mirrorless systems, the Sigma 24-70mm f/2.8 DG DN Art is a versatile wide-angle to portrait-length zoom characterized by its f/2.8 constant maximum aperture. The bright design suits working in available lighting conditions and also affords increased control over depth of field. The optical design incorporates a series of low dispersion and aspherical elements that greatly reduce a variety of aberrations in order to achieve high sharpness, enhanced clarity, and improved color accuracy. Both Super Multi-Layer and Nano Porous Coatings have also been applied to improve contrast and color rendering by suppressing lens flare and ghosting when working in strong lighting conditions. Complementing the optical attributes, this lens also sports a stepping AF motor, which yields fast, precise, and notably quiet autofocus performance. At the wide end of the zoom range, a maximum magnification ratio of 1:2.9 suits working with close-up subjects and an 11-blade diaphragm contributes to a pleasing bokeh quality. Additionally, a weather-sealed design benefits working in trying environmental conditions. Bundle Includes: Sigma 24-70mm f/2.8 DG DN Art Lens for Sony E Manufacturer's Accessories: Sigma LCF-82 III 82mm Lens Cap Sigma Rear Cap LCR II for Sony E Mount Lenses LH878-03 Lens Hood Lens Case Additional Accessories: 6PC Gradual Color Filter Kit(Purple, Grey, Blue, Red, Orange, Yellow) 4PC Macro Close-Up Lens Filter Kit (+1, +2, +4, +10 Diopter) 3PC Professional UV Filter Kit (UV, CPL, FLD) Water Resistant Backpack with Fully Padded, Adjustable Dividers for Customization 6.5” Tabletop “Pistol Grip” Tripod Lens Cap Keeper 5PC Deluxe Maintenance Kit