Covering a useful and familiar range with a svelte form factor, the OM SYSTEM M-Zuiko Digital ED 12-45mm f/4-0 PRO Lens Black is a 24-90mm-equivalent zoom for Micro Four Thirds mirrorless cameras- Distinguished by its f/4 constant maximum aperture, this lens strikes a balance between a bright design and a highly compact design to suit its use in everyday situations- Myriad specialized elements are incorporated into the optical design, which help to suppress spherical aberrations, color fringing, and distortion in order to produce sharp, colour-accurate imagery- A ZERO coating is also featured, which controls flare and ghosting for improved contrast when working in bright and backlit conditions- Complementing the optics is a Movie & Still Compatible autofocus system, which achieves fast, smooth, and silent focusing performance, and a maximum 0-25x magnification throughout the zoom range to suit working with close-up subjects- Additionally, the lens is weather-sealed to enable its use in trying weather conditions- {Key Features} - Micro Four Thirds System - Aperture Range: f/4 to f/22 - 2 HR, 1 Super HR, and 2 ED Elements - 24-90mm (35mm Equivalent) {Box Contents} - OM SYSTEM M-Zuiko Digital ED 12-45mm f/4 PRO Lens - Lens Cap - Rear Lens Cap - Lens Hood