9 out of 10 points and recommendedIQ, versatility, useful focal length, constructionsoft wide open, CA
This is a good focal length for landscapes, scenery, and architecture. In fact, I use this lens more than any other. The image quality and contrast is good. It can be a little soft near the edges wide open and I have experienced on occasion chromatic aberration, green to blue shift, in areas of high contrast.reviewed January 9th, 2007 (purchased for $678)
The lens is well constructed and the AF is generally fast and accurate. Given the cost of other comparable L lens, this lens is a good value.