Olympus M.Zuiko Digital ED 40-150mm f/2.8 ProOffering long reach with an advanced feature set and optical design, the M. Zuiko Digital ED 40 150mm f 2. 8 PRO from Olympus is a versatile 80 300mm equivalent telephoto zoom for Micro Four Thirds mirrorless cameras. As part of the PRO series of advanced lenses, this zoom distinguishes itself with a bright f 2. 8 constant maximum aperture for consistent illumination throughout the zoom range to suit working in a variety of lighting conditions. Its