Thanks Andrew, I'd rather have the extra 3mm, esp. with DSLRs. Guess the best way would be to lug the old laptop and a camera (or two) to the store, shoot, download and review it... :)... I think I'll leave for when I really _need_ to buy another lens... Will keep it in mind though, thanks. Deen At 2004-05-15, 22:56:00 you wrote: >The 12-24mm Sigma is a full frame lens - on a film body you get actual >12mm, a real selling point for me. Played with one today on my 10D and >quite impressed. >However - reviews on Fred Miranda's site seem to suggest that there is >variability in quality control that makes the Russians look consistent! >Might be best to buy from a reputable local dealer who'll let you try >several and pick the best one rather than by auction site or mail >order. >Also, the 15-30mm is smaller, lighter, cheaper and gets more consistent >praise so it may be a better pick if you don't need that extra 3mm. >AndrewF