A refined take on the fast standard zoom, the Sony FE 24-70mm f/2.8 GM II is not only smaller and lighter than the previous generation, it also features a variety of optical, focusing, and handling upgrades, catering to both photo and video applications, that make this the most well-rounded G Master zoom to date. 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 Dust and Moisture-Resistant Construction Eleven-Blade Circular Diaphragm