EF 70-200mm f/2.8L USM
http://www.usa.canon.com/consumer/co...0&modelid=7341

manufacturers site provides no info that i need on the lens. so i looked here
http://www.the-digital-picture.com/P...05-23_16-35-42
as i expected long lenses have a very thin depth of field, so only small parts of the photo are in focus. nice stuff. description is good too.