I just received a new Canon 70-200L/2.8 IS (Import). It was sealed and packed as expected of a new lens. Upon close inspection I noticed a very very small speck on the outside of the front glass. What I thought was dust was actually a small scratch in the outside coating. It doesn't seem to showup in the pics or other wise noticable. Should I try to exchange it or is this consistant with acceptable QA standands by today's lens manufactors?

