The Slovenian website e-fotografija have posted a review of the Olympus Zuiko Digital ED 50-200mm lens (equivalent to 100-400mm on a 35mm camera). There is a varied selection of sample photos that really show what this E-System lens is capable of in conjunction with the Olympus E-1 DSLR.

Website: e-fotografija - Olympus Zuiko Digital ED 50-200mm Lens Review