I was of the impression that a circular polarizer was needed when you had one of
those
screwy lenses  (like the 80-320) in which the focusing action rotated the front
element (and the
filter mount) making it difficult to keep a conventional polarizer correctly
oriented.  Maybe I am wrong.

Stefan Schloemer wrote:

> Ciao Robert!
>
> "Robert P. VanNatta" wrote:
>
> [...]
>
> > Have you considered a longer zoom range.   I use a Pentax SMC-FA  80-320
> > in this lens niche.  It is about the same size (uses 58 mm filters--and needs a
> > circular polarizer) and is quite affordable.
>
> Just for a clarification:
> The necessary type of polarizer (linear vs. circular) depends only on
> the body, and not on the lens.
>
> Regards
> Stefan
> --
> -------------------------------------------------------------------------
> Dr. Stefan Schloemer ([EMAIL PROTECTED])
> EniTecnologie SpA, Via F. Maritano 26, 20097 San Donato Milanese, Italy
> Phone: ++39 02 520 56 814         FAX: ++39 02 520 56 364
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