OM System M.Zuiko D 2.8 / 40-150 Pro ED Telephoto Zoom Lens. The M.Zuiko 40-150mm F2.8 Pro (80 - 300mm equivalent in 35mm) is a compact, fully equipped zoom lens with a high-quality metal construction and professionally high-grade lens elements. It is lightweight (779 g), weather-sealed, delivers super sharp image quality from edge to edge, and features the innovative Dual VCM autofocus mechanism. A smooth, fast autofocus is a crucial factor for image quality. The innovative Dual VCM (Voice Coil Motor) AF of the 40-150mm F2.8 PRO ensures this. The lens's high-quality metal housing contains 16 elements in 10 groups. Sometimes, the most challenging conditions offer the most dramatic photographic opportunities.