Sony FE 24-70mm f/2.8 GM II Lens Mid-Range Telephoto Prime Lens Sony FE 24-70mm f/2.8 GM II is smaller and lighter than the previous generation it also provides a variety of optical focusing and upgrades for a greater resolution clarity & bokeh quality that makes this the most well-rounded G Master Zoom to date. Features & Specifications E-Mount Lens/Full-Frame Format Aperture Range: f/2.8 to f/22 22% Lighter 18% Smaller than Previous XA and Super ED Elements Nano AR Coating II and Fluorine Coating Four XD Linear AF Motors Floating Focus Aperture De-Click and Lock Switches Zoom Smoothness Switch Eleven-Blade Circular Diaphragm Dust and Moisture-Resistant Construction In the Box Sony FE 24-70mm f/2.8 GM II Lens Sony ALC-SH168 Lens Hood Sony ALC-F82S 82mm Front Lens Cap Sony ALC-R1EM Rear Lens Cap Lens Case Lens Configuration 1. Extreme aspherical lens (XA) lens 2. Aspherical lens 3. Super ED glass 4. ED (extra-low dispersion) glass