The Olympus 7-14mm lens clearly exhibits purple fringing in its extreme corners in this test when zoomed-out, but at a focal length of 7mm, the lens was positioned extremely close to our chart for it to fill the frame. The effect of coloured fringing reduces at longer distances and we rarely noticed it in our real-life shots as seen on our Gallery. Zoomed-into 14mm, the fringing is much reduced.

In terms of actual sharpness in the corners though, the 7-14mm performs very well, both in this test at very close range, and also with subjects further away, again as seen in our Gallery. It's a very well-corrected lens.