Originally posted by Docrwm Went through this process a year ago myself and selected the Tamron 10-24. It's get a better track record than the Sigma for QC issues, has a longer warranty, has the range at both ends of the other two lenses, and is less expensive with the rebates in place. I'd consider it.
What he said. But I'll also argue that UWA isn't for landscapes nor weddings. 16-45 is a good landscape range. 28-75 is a good wedding range. 50-135 is a good portraiture range. Yes, any subject can be shot with any focal length. But work outside these customary ranges must be carefully planned; distances and angles can trip you up. The reason these focal ranges are customary is all about distance, and thus perspective. Generally, the wider the lens, the closer you must be to the subject. Keep that in mind when matching lenses to applications. Good luck!