Sigma 24-70 2.8 how sharp should it be?

[Farno]

When i first got my Sigma 24-70ƒ2.8 i decided to test it here are the results
http://www.flickr.com/photos/neil-farnworth/sets/72157625497750519/with/4125924964/

 

[combat squirrel]

Yeah once you go 'pro quality' you dont go back, i had a tamron 28-75 for a while but looked soft, got the 24-70 and will NEVER go back its just another level and awesome.