The Olympus M.ZUIKO Digital ED 300mm f/4 IS Pro is a professional weather-sealed telephoto lens for the Micro Four Thirds system. Offering a 35mm equivalent focal range of 600mm, the Olympus M.ZUIKO Digital ED 300mm f/4 IS Pro offers a maximum aperture of f/4, fast and quiet auto focusing and an optical formula comprising 17 elements arranged in 10 groups, including three Super ED lenses that eliminate peripheral chromatic aberration, three High Refractive index lenses and one Extra-High Refractive index lens. The Olympus M.ZUIKO Digital ED 300mm f/4 IS Pro features integrated optical stabilization for up to 4 EV steps of compensation, which can be boosted to 6 EV steps of compensation in conjunction with the 5-Axis IS system in the OM-D E-M1 or OM-D E-M5 Mark II cameras. Other highlights include Z Coating Nano to reduce ghosting and flare, a manual focus clutch mechanism, built-in lens hood, focus limiter switch and a customisable L-Fn button. In the UK the Olympus M.ZUIKO Digital ED 300mm f/4 IS Pro lens retails for £2199.99, and in the US it costs $2499.
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