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m9 and Cornerfix: what is it


scjohn

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I have read many posts suggesting "Cornerfix" as the solution to vignetting with lenses like the 15mm voightlander. What is "cornerfix" and how do you use it? Do you use it when importing or processing?

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Cornerfix is a free tool produced by Sandy McGoffug here on the forum, that's available at sourceforge.net. (Google is your friend :rolleyes:).

 

It basically lets you shoot a reference image using your lenses to determine the vignette/colour shift profile which you can then use with captured images to adjust the raw files automatically to correct them, just like the M8/M9 does in camera (only with your specific lens profile vs generic). It allows you to correct uncoded lenses from any manufacturer.

 

There's a decent tutorial/readme with the application if you download it.

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Cornerfix is a small stand-alone freeware app that can be used only by Windows boxes, not by computers.

 

Lars, now be nice.........you know that there has been a Mac OS X version of CornerFix for years now, right?

 

Sandy

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