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[OM] Re: E-510 Kit Update

Subject: [OM] Re: E-510 Kit Update
From: David Thatcher <davidt@xxxxxxxxxxxxxxxxxxx>
Date: Tue, 12 Jun 2007 23:18:19 +0930
On Tue, Jun 12, 2007 at 03:49:31AM -0700, Moose wrote:
> Well, here I am with PTLens again.  :-)   It does a pretty good job, but 
> there is still a slight sinusoidal wave along the horizon. Looks like 
> one of you folks with that lens need to point out the problem to Tom and 
> send him a better sample for calibration.
> http://www.moosemystic.net/Gallery/Others/Hudson/Eco-Centre.htm
> 
> By the way, it may seem to some that you need PS to use PTLens, and 
> indeed it is a good plug-in.
> 
> However --- it also comes with a stand-alone version which works just 
> the same.
> 
> Moose

Hi Moose, 

I have been looking at WideAngle (a plugin for The Gimp), it works
fairly well too, if one wants or needs to do it manually (say, its
already been cropped! & you need to offset the distortion axis)...

Would you consider it appropriate or useful for me to send a
Gimp/Wideangle corrected version of John's 'Irving' image to you for
inclusion in your page?   Subject to John's permission, of course!

Wideangle plugin info, source and 'doze binaries:
http://registry.gimp.org/plugin?id=4876
author's page, info & gimptools source for building linux/unix/mac version  
http://members.ozemail.com.au/~hodsond/wideangle.html 

I'm still playing with a group photograph taken with the 14-45mm at
about 16mm (unfortunately I had to be in that one, so (tripod)
composition wasn't perfect). I downloaded the PTlens trial & used the
standalone to apply the appropriate profile (it was amazingly easy to
use- choose the camera & the lens, tick the box, click 'Apply', that's
it!) & I compared it to a one manually made by WideAngle.  There didn't
appear to be a great deal of difference (I guess that says something
nice about the uniformity of the distortion in the 14-45).  I can't post
the group image I'm working on because I don't have permission for
various reasons.

davidt



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