After using Olympus for the 11 years I decided to make a change so I purchased a Canon EOS 7D and Canon 100-400mm f/4.5-5.6L EF IS Zoom Lens, so far I am very happy with. I am a wildlife nut and I am looking for another lens besides the 400mm which will be good for birds. I have a bad wirst and lugging that 400 and a tripod around is a pain.