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[OM] Re: 7-14 digital zoom / polarizing effect

Subject: [OM] Re: 7-14 digital zoom / polarizing effect
From: Mark Dapoz <md@xxxxxxxxxxxx>
Date: Fri, 11 Aug 2006 13:27:56 -0400 (EDT)
On Fri, 11 Aug 2006, John Hudson wrote:
>
> Have any other 7-14 users experienced a similar effect?

Yes, I've noticed it as well.

> Although this is a filterless lenses, does the optical architecture generate
> this polarizing effect in the right lighting conditions? This is not the
> first occasion I have experienced the polarizing effect with this lens.

I'm not sure exactly what is causing the polarisation effect, but it's
definitely more pronounced in the 7-14mm than it is with the OM's 21mm or
18mm lens.  Maybe it has something to do with the design of an ultra-wide
zoom vs a fixed focal length lens.
                                                -mark

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