The Zuiko Digital ED 90-250mm f2.8 lens is a versatile and durable high-performance lens that offers high performance in an easy-to-handle size with superb edge to edge sharpness, detail and color. This Digital Specific Lens delivers light directly to each of the sensor s pixels. From center to edge, each image is filled with rich, accurate color, high contrast and subtle gradation. Designed exclusively for digital photography, Zuiko Digital Lenses provide a level of precision thats unattainable from a digital body using a traditional 35mm film lens. The ED glass and fast f2.8 aperture of this performance telephoto zoom give you the flexibility to shoot sports, nature and more close at 90mm (the 35mm equivalent of 180mm) out to 250mm (500 mm equivalent). Splashproof and dust-proof, with all-metal barrel construction, this is the lens you can depend on, in any environment.