The Olympus 50-200mm f/2.8-3.5 ED SWD Zuiko Zoom Lens is a high-performance zoom-telephoto lens that features, for the first time, the SWD (Supersonic Wave Drive) autofocus system. ED lens elements are used extensively to correct the color blurring that can occur when telescopic lenses are extended to their maximum focal length, while the digital-dedicated design ensures high-definition performance with clear, crisp images from edge to edge. It offers an equivalent focal length in 35mm terms of 100-400mm.
The lens' autofocus is powered by Olympus' innovative SWD focusing technology. SWD combines different technologies to provide both high speed and high precision autofocusing, while allowing the lens to be operated with lower noise than before. Optimized for use with the new E-3, this lens enables the camera to demonstrate the full power of its high-speed capability, providing extremely fast focusing.
Special optical glass elements are used to correct various types of aberrations, while the 100% digital design ensures high-definition performance with clear, crisp images from edge to edge. Close-up shooting capability is also superb, with a minimum shooting distance of just 3.9' (1.2 m) throughout the zoom range.