This is one of the sharpest lenses I own. Since aquiring the Olympus series of m4/3 cameras, I've been moving slowly to legacy manual focus lenses. Two reasons really, the first being that it is fun using these lenses (especially with the Olympus cameras). Secondly, they are cheap (but prices are rising fast). It slows you down so that you have to focus where you want the focus to be and that helps composition immensly. You look around the edges more, you move closer to your subject or move away if you're too close. If you haven't tried this yet, please do. It brings back some life into your photography.