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[OM] Re: Lanscape's via PC stitching, was: Zuiko 18mm and 21mm

Subject: [OM] Re: Lanscape's via PC stitching, was: Zuiko 18mm and 21mm
From: Chris Barker <ftog@xxxxxxxxxxxxxxxx>
Date: Fri, 15 Apr 2005 14:05:28 +0100
And this assumes that you want a perfect join, from top to bottom.  
Surely, with all the other problems that exist in lenses, you would not 
want to use the whole coverage of the lens, top to bottom, when joining 
images to make a biggy?

So, why bother with a shift lens, unless the fiddling with the shift is 
an end in itself? ;-)


On 15 Apr 2005, at 13:33, Piers Hemy wrote:

> I think what you say is correct, Chuck, but needs a small elaboration.
> Stitching two images from the same viewpoint using a shift lens should
> provide a seamless join.  If not using a shift lens, you could indeed 
> get
> the same result in the way you describe, but the seamless joint would
> require the rotation to be precisely around the optical centre of the 
> lens
> in use.  The centre can be found empirically with little problem, but
> repeatability of the process in the field is not something I would 
> want to
> have to do.
> --
> Piers

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