In article , mdberger@access2.digex.net says...

>I have seen some used Zuiko f/1.4 50mm lenses in my
>local photo shop for around $80. They do not have
>"MC" printed on them, and therefore I suspect that
>they are not multi-coated. The salesman says that
>they are multi-coated, and that you can tell by
>looking at them. Could this be true? Are are there
>multi-coated versions without the "MC"? Can you
>tell by looking at it?

Multi-coated lenses often appear to have multiple
colors when you look into them. But I wouldn't
worry too much - multicoating offers only a slight
advantage in lenses with few air-glass surfaces,
contrary to the advertising hype......
Hope This Helps