It’s increadibly sharp for it’s age, but the auto focus is very slow, because it doesn’t have it’s own motor as far as I understand and relies on the motors from the camera body.
Here’s a link to a small album of some shots I can share made using the lens. The shots with multiple minis in it the minis are at most 6 inches apart.
I’m currently in the process of putting a bunch of my pictures on my Deviantart‡ account, I haven’t done a lot yet because I don’t want to flood it all at once but it’s a slow process of uploading.