“The EF-S 10-22/3.5-4.5 USM isn’t a “cheap and nasty” consumer lens. It has three aspheric elements as well as one super-UD glass element. It also has a ring USM with full time manual focus and a distance scale. The street price should be around $800. Not cheap by any standard. The Sigma 12-24 sells for around $670, and Nikon users get to pay $1000 for their 12-24 lens.”

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