Re: [OM] 18/3.5 & c-pol

[johnsonpa]

>Is it visible at all apertures? I have noticed vignetting in my wideangle
>shots  (Zuiko 28/3.5 and wide end of Tamron 35-70/3.5) with polariser (esp.
>if there's lots of sky in the frame) when they are wide open, or near. It
>goes away when the lens is stopped down to f/8 (maybe even f/5.6).

What I'm talking about is clipped corners on the edge of the frame (distinct
black spots).  I think you are referring to is light falloff that occurs
whether a polariser/filter is in place or not....or do I have it wrong?

--p.j.



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