seems cheap to me but i really dont know.
may be of use to someone
http://www.amazon.co.uk/Canon-Lens-...1?ie=UTF8&s=electronics&qid=1273007093&sr=8-1
may be of use to someone
http://www.amazon.co.uk/Canon-Lens-...1?ie=UTF8&s=electronics&qid=1273007093&sr=8-1