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[OM] Re: Polarizer issue

Subject: [OM] Re: Polarizer issue
From: "Dean Tyler" <dtyler@xxxxxxxxxxxxxx>
Date: Thu, 19 Jan 2006 09:29:36 -0500
I am kind of surprised by this thread.  I never had an vignetting issues
with the 24mm, oly filters, and hood.  I regularly use a 49mm oly c.pol with
my 21mm with no issues.  Also, standard heliopan filters marked "slim" are
the same thickness as oly filters.  Since almost all of my filters are 55mm,
I regularly use a 49-55mm step up ring with no problem.  The B+W wide
filters are nice.  I don't think B+W makes a polarizer in their wide models.

-----Original Message-----
From: John Hudson [mailto:OM4T@xxxxxxxxxxx]
Sent: Wednesday, January 18, 2006 7:31 PM
To: olympus@xxxxxxxxxx
Subject: [OM] Re: Polarizer issue




----- Original Message -----
From: "Andrew Fildes" <afildes@xxxxxxxxxxxxxx>
To: <olympus@xxxxxxxxxx>
Sent: Wednesday, 18 January, 2006 07:42 PM
Subject: [OM] Re: Polarizer issue


>
> B+W has made 'wide' filters for some time, where the glass size is
> far larger than the filter thread size. rather pricey and essentially
> the same effect as a simple solution - get a skinny step-up ring and
> mount a bigger filter! (As in the Zuiko 18mm 49-72mm hood). On the
> 24mm use a 49-55mm step-up and you should be fine

not so in my experience: to avoid vignetting with my 24mm/f2.8 I have always
used a 49-72 step up ring. Anything less than a 49-72 step up has been a
problem.

jh

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