In a message dated 9/12/98 6:21:55 AM Eastern Daylight Time,
Richard.Schaetzl@xxxxxxxxxxxxxxxxxxxx writes:
<< > I just purchased a very nice used 18mm f/3.5 Zuiko today*, and am worried
> about that front element bulging out unprotected. I have seen that a
"49-72
> step up adapter" is needed if I want a Sky-1A running interference for this
> sweetheart. Are these available as a one shot deal, or do they have to be
> built up with progressively bigger adapters?
No, you can screw in filters with normal sized frames, without
vignetting. >>
While I don't own one of these lenses, I thought attempting to screw on a
normal 49mm filter would scratch the protruding front element.
Paul Schings
Coventry, RI
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