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Mike Chaney's Tech Corner > Mike's Software > Qimage Ultimate > Fringing Filter seems to do little or nothing
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Author Topic: Fringing Filter seems to do little or nothing  (Read 5148 times)
johngie
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« on: April 08, 2013, 02:00:07 PM »
Looking for some help here! One of my cameras (Panasonic LX5) displays green/magenta fringing in corners. If I open the image in the editing mode and click "Fringing" I would have expected to see some difference. I don't - even holding the "Entire Filter on/off" button shows absolutely no difference in the 1x preview. Am I missing something?

The images are RAW (.RW2) by the way.

Regards

John
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Terry-M
The Honourable Metric Mann
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« Reply #1 on: April 08, 2013, 09:39:24 PM »
Hi John,
I think that particular filter was designed a long time ago for earlier digital camera images of not much more that 2Mpx.
My previous "everyday" 17-85 mm lens was not good for chromatic aberrations; I largely solved the problem by buying a new lens (15-85mm) when I updated my Canon DSLR last year.
An inexpensive program for correcting most lens aberrations is PT lens http://epaperpress.com/ptlens/. You will have to convert a problem image to use it.
Terry
« Last Edit: April 09, 2013, 07:00:54 AM by Terry-M » Logged
johngie
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« Reply #2 on: April 08, 2013, 09:54:04 PM »
Thank you Terry - especially for reminding me about PT Lens. I had this program ages ago on a now defunct computer - if I can find the original license key I might be able to re-use it.

Luckily the Nikon D300 doesn't have this problem!

Regards

John
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