I came across this almost by chance, but it's worth sharing. At this point, I'm convinced that the appearance of this phenomenon with the OM-D is not limited to the Panasonic 7-14mm f/4. It is definitely most obvious with the 7-14mm, but it's clearly there even with the 9-18mm. I was working on processing this shot of a bicycle taken with the 9-18mm. And I wanted to see if I could saturate the colours of the bike a little more. By chance, I pushed the purple slider to +100. I wasn't expect that this would be a useable setting, but I like to test extremes before I work my way to the middle. This is what I got: lots of purple in places that I wouldn't have expected: So I started looking a little closer at the original image. I've found that the purple "flare" definitely exists even with the 9-18mm. It's a lot harder to see, but its clearly there. You can see the side by side here: It isn't overwhelmingly visible on the left side, but there is still very much a faint purple colouring. The defringe local adjustment brush doesn't do anything to it. Anyway, looks like 9-18mm OM-D users will need to watch their lighting as well, though perhaps not as much as 7-14mm users.