I'm happy that Sigma has decided to include OS in these lenses. I'm sure we'll see more OS functionality included with the other line of lenses. I just can't understand how Sigma could have a 50-500 without some sort of stabilisation. I do understand the added cost, but in the long run, I think it's worth it. I know that I could take advantage of this feature.


I'm curious as to what the reviews will bring!


Edited: Having a look at Sigma's website, if I'm not mistaken it seems that the pricing on some of the comparable lenses to Canon's L series are not too far apart.


One example would be the 24-70mm F2.8 IF EX DG HSM non macro MSRP of 1400 whereas the Canon 24-70 is 1249!