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Re: [OM] IMG: another panorama, this time BIG

Subject: Re: [OM] IMG: another panorama, this time BIG
From: Moose <olymoose@xxxxxxxxx>
Date: Wed, 03 Jun 2009 22:04:34 -0700
Nathan Wajsman wrote:
> Thanks for looking, Moose. There was no barrel distortion on the individual 
> images, the cigar distortion in the picture must therefore be the result of 
> the tripod not being perfectly level (and the degree of un-levelness changing 
> as I rotated the tripod head). I need to get a dedicated panorama head which 
> will allow me to align things more precisely and to ensure that the camera 
> rotates around the optical node.
>   

All a perfectly good idea, except it will not fix the cigar distortion.

If you read my rant reply to AG, I go into more detail. Or look up cigar 
distortion on the web, where there are discussions and examples. It's 
simple optical geometry. It will continue to happen with a perfectly 
level head and perfect rotation around the lens node.

The solution is in stitching software that corrects for it. Or using an 
ultra wide lens

Moose
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