Archived posting to the Leica Users Group, 2000/12/01

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Subject: Re: [Leica] leica zoom lenses
From: Douglas Herr <telyt560@cswebmail.com>
Date: 1 Dec 2000 21:30:34 -0800

On Fri, 01 December 2000, Ted wrote:

> 
<SNIP>
> Dan & Guys,
> Honest,  I'm not trying to be factious or a smart ass,  but what is "pin cushion
> distortion" and how do you recognize it when shooting a building burning down? Hell,  I
> don't even know what it is to start with let alone where and how it might effect my
> pictures. Nor what to look for.
>

It's the opposite of barrel distortion.  Straight lines bow inward, most noticable with lines parallel to the edges of the picture, especially at the far edges.

In many kinds of photos it's unnoticable but may be way too obvious for architectural pictures.

Doug Herr
Birdman of Sacramento
http://ourworld.compuserve.com/homepages/telyt
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