Sigma 24-105mm F/4 DG OS HSM Art Lens for Nikon Bundle Includes Manufacturer Accessories + 3PC Filter Kit + Lens Cap + Lens Pen + Cap Keeper + Microfiber Cleaning Cloth For Full Frame and Crop Sensor Cameras 3 Aspherical, 2 SLD, and 2 FLD Elements Optical Stabilizer; Thermally Stable Composite Internal Focusing System; Hyper Sonic AF Motor Compatible with Sigma USB Dock