This video might help
http://www.youtube.com/watch?v=DjCoD0_V2RM
If the charts were comparable, which I don't think they are, the Canon is beating the Sigma's wide open and it compares closely to the Sigma 105mm stopped down.
This video might help
http://www.youtube.com/watch?v=DjCoD0_V2RM
If the charts were comparable, which I don't think they are, the Canon is beating the Sigma's wide open and it compares closely to the Sigma 105mm stopped down.
Last edited by HDNitehawk; 05-02-2012 at 07:05 PM.