Good first impression is deceptive. Blurred picture in the border area!

I have three of these adapters tested on my OM-D E-M10 on an Olympus 14-54 II lens. Autofocus works well (and relatively fast). However, the pictures on the screen at all three of the adapter out of focus (the center is fine!) Particularly painful I've noticed this with a group photo of a wedding party. In addition: None of the lens adapter is properly seated "stable" but lummelt something around in the area. The E-M10 with the kit lens delivers sharp images crack-up in the last corner, the lens on a E-510 also. The problem is so clearly in the adapter. Too bad, then you will probably still have to bite the bullet and pick up the original.