I use P series square filter with 24mm. Here are some
results.
1) "square filter holder + square filter + circular
polarizer" resulted in vignetting.
2) "square filter holder + square filter" did not have
vignetting.
3) "square filter + circular polarizer" did not have
vignetting. In this method, I will hold the filter by
hand, this is fast, more light comes into camera and I
will get to use polarizer. I use this method while
using 50mm, 100mm lens.
Thanks
Ramesh
--- Mark Roberts <[EMAIL PROTECTED]> wrote:
> Stephen Moore <[EMAIL PROTECTED]> wrote:
>
> >
> >To those who've had experience with these things --
> >
> >At 84mm, is the Cokin P system likely to vignette
> >if used with lenses having 77mm front elements?
> >Or do I need to be thinking about the Hitech-size
> >systems instead?
>
> I use the Cokin P holder (with HiTech filters) on
> lenses with 77mm
> filter threads (Pentax FA*80-200/2.8 and Tokina
> 28-70/2.6-2.8). Never
> had vignetting problems with either, even at 28mm.
>
> --
> Mark Roberts
> Photography and writing
> www.robertstech.com
>
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