Hi Tim, thank you very much for the thorough analysis. I do appreciate your time here! You're correct that shooting in Manual modes eliminates the issue. That said, it seems that all of the auto modes have the same problem of metering differently ...
Thanks very much Tim, no problem. Here's a new pair using the same settings. (This links to the files, in case there's an issue with the embeded shots below... Dropbox - Canon Examples )
I'm having the same problem with my T4i. The exact same shot comes out different depending which view mode you're in when shooting. In RAW mode, the downloaded files are safe, yet on the camera screen it still previews images shot with the viewfind...