Peripheric colour shift correction

[Orio]

My M9 does occasionally show some peripheric red colour shift when used with Snapshot-Skopar 4/25 lens at an angle where sunlight can bypass the hood and enter the frame.
I did not really care about this so far because it's really a minor issue. In any case I have found a software that does correct this issue with excellent results, it is called Cornerfix:

https://sites.google.com/site/cornerfix/

If you have peripheric colour shift issues with your digital rangefinder or evil camera, give it a try. It really works.