The M.Zuiko Digital ED 12-40mm f/2.8 PRO II from OM SYSTEM gives you exceptional image quality anywhere you go. Compact and lightweight for maximum portability, this wide-to-portrait-length zoom is a 24-80mm equivalent lens for Micro Four Thirds mirrorless cameras. Its advanced optical design includes a variety of sophisticated elements that reduce both chromatic and spherical aberrations throughout the zoom range for notable clarity, sharpness, and color accuracy. The lens features a high-speed movie and still compatible autofocus system for fast, smooth, and silent focusing performance, and with a minimum focusing distance of just 7.9" you can get close-up shots whenever you desire.  

The lens construction integrates two ED (extra-low dispersion) elements, two aspherical elements, one DSA (dual super aspherical) element, one EDA extra-low dispersion aspherical element, one HD element, and two HR (high-refractive index) elements into its design to minimize aberrations, distortion. A ZERO (Zuiko extra-low reflection optical) coating minimizes lens flare and ghosting for improved contrast and color fidelity when working in strong lighting conditions. Fluorine coating provides protection to the optical system and repels dust, water droplets, grease, and dirt, ensuring easy removal even when they adhere to the lens surface. Standard wide-angle to a portrait-length zoom lens is designed for Micro Four Thirds mirrorless cameras and provides a 24-80mm equivalent focal length range. Constant f/2.8 maximum aperture enables consistent low-light performance and selective focus control throughout the zoom range. Combined with a rounded seven-blade diaphragm. Movie and still compatible (MSC) autofocus system benefits both photo and video applications due to its smooth, quiet, and fast performance. A reliable weather-sealed design ensures the lens's performance in inclement and harsh conditions.