A new compact, lightweight, fast, ultra wide-angle lens has now been added to the M.Zuiko Digital PRO series whose hallmark is its excellent mobility and superb optical performance, providing high image quality in any shooting environment. It boasts a brightness of f/2.8 at all focal lengths, making it an ideal lens for shooting nightscapes and stars. The separately available waterproof lens port makes it possible to use this lens for wide-angle photography underwater.