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Re: [OM] IMG Optical distortion in M43 drives me mad

Subject: Re: [OM] IMG Optical distortion in M43 drives me mad
From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
Date: Tue, 08 Oct 2013 17:21:52 -0400
Well I'm glad to hear that no lens did that.

Chuck Norcutt


On 10/8/2013 7:41 AM, Brian Swale wrote:
> Chuck wrote:
>> That's a lot of distortion.  Would that have been corrected as a JPEG on
>> a Panasonic body?  I just tried correcting 8959 using PTLens Lumix G
>> 14/2.5 raw and JPEG profiles.  Must not be the right lens as the raw
>> profile seems to make a mash of it and the JPEG profile alters it but  not
>> significantly.
>
> Not that simple, Chuck. PT lens doesn't work at all well at fixing 
> non-vertical uprights,
> non-level floors, diamonded doorways and windows where the basic problem is 
> with the
> houses being built on a swamp for many centuries ...  Worse than the biblical 
> houses built on
> sand ..
>
> I suspect they did better in Venice where thousands of tree-trunks were used 
> as piles. But
> they didn't have even swamp to start with, I suspect. Just shallow water. And 
> mosquitoes.
>
> Very nice photos, by the way, Frank.
>
> Brian Swale
>
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