The Olympus M.Zuiko Digital ED 300mm f4 IS PRO is a professional telephoto prime lens engineered for the Micro Four Thirds system. With a 35mm equivalent focal length of 600mm and a constant f4 maximum aperture, this compact and weather-sealed lens delivers exceptional sharpness and clarity for wildlife, sports, and nature photography. Weighing just 1.27kg and measuring 227mm in length, the 300mm f4 IS PRO is remarkably portable for a super telephoto, fitting easily into camera bags and backpacks. The lens features integrated optical image stabilisation providing four stops of compensation on its own, or up to six stops when paired with compatible OM-D cameras via Sync IS technology. With 17 optical elements including three Super ED lenses, premium coatings, and comprehensive weather sealing with dust, splash and freezeproof construction, this is a professional-grade instrument designed to perform reliably in demanding conditions.