Providing long reach with an advanced optical design, the M.Zuiko Digital ED 40-150mm f/4 PRO from OM SYSTEM gives you high-resolution image quality anywhere you go. Compact and lightweight for maximum portability, this versatile telephoto zoom is an 80-300mm equivalent lens for Micro Four Thirds mirrorless cameras. The lens offers outstanding edge-to-edge sharpness, and 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 27.6" you can easily get beautifully detailed and intricate shots of closeup subjects.