Summary: This lens lets ton of light in through the shutter, which makes it very fast lens, very well built, very good pictures. You can read about it in professional reviews, and you'll see it gets pretty good ratings from everyone.
Summary: I needed a wider angle, all-purpose type of lens for everyday shooting. I almost got a "nifty 50," but at the last minute chose this one. I may still get a nice 50mm, but this lens is gorgeous. I recently used it on a wedding shoot and the pictures turned out beautifully.