A versatile wide-angle zoom for Micro Four Thirds mirrorless cameras, the M.ZUIKO Digital ED 7-14mm f/2.8 PRO Lens from Olympus is a 14-28mm equivalent lens featuring a constant f/2.8 maximum aperture for consistent performance throughout the zoom range. Various aspherical, extra-low dispersion, and high-refractive index elements are incorporated within the design, and help to minimise chromatic aberrations and distortions for increased clarity and sharpness. Additionally, a ZERO coating has been applied to elements to control flare and ghosting for improved contrast and colour fidelity. A weather-resistant design benefits handling in trying conditions while an L-Fn button offers lens-based control over various settings. As a fast, high-performance wide-angle zoom, this Micro Four Thirds lens pairs an optimised optical layout with refined physical details to excel in a variety of working conditions. This lens is in good overall condition with some signs of use. The glass is clean and in good condition. The lens barrel shows some cosmetic marks. There is some light dust within the lens, which would not affect optical performance at all. The focus ring is in good condition. The lens mount shows signs of use.This lens has moisture within the internal elements.