Hi Mary
I have owned this lens for about 10 years and it is my weapon of choice for product photography work. It is built like a tank with very low distortion and is sharp.
It is slightly wider than the 28mm and 2/3 of stop faster
I took my son's wedding photos with this lens on a 40D
example here
http://www.worldphotographyforum.com...hp?photo=41847
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Rob
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Solar powered Box Brownie Mk2
Captain Sunshine, to be such a man as he, and walk so pure between the earth and the sea.
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