Angel Lobo wrote:
Are you sure you are getting vigneting - physical cutting off of the
corners by the filter - and not just fall-off in the area of
polarisation which is normal for a wide angle?
I have found that even 24mm is too wide for a Polariser.
Giles
> Hi all.
>
> After get some vigneting with normal pol. filter on 24 and 21mm, last Febr
> I buy one circ. pol. filter of B+W on the thin (and expensive) version.
>
> I take a test picture with the Zuiko 21mm f 3.5 on f 8 to a clear blue sky
> and I have a great vigneting.
>
> This new filter is " B + W 49ES SLIM C - POL Germany ".
>
> Some experience with this Slim B+W filter ?
>
> Can someone tell me one Circ. Pol. for the 21 3.5 without vigneting ?
>
> Thanks in advance.
>
> Angel Lobo.
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