Looking for some advice.
I'm a keen amateur with a budget looking to upgrade my Canon EF 70-300mm f/4-5.6 IS USM - and there's no way on this earth I can afford a canon 70-200 2.8MK2!
So, that leaves either the new Sigma or the old Canon Mk1 (if I can track one down)
Does anyone have any comparisons or thoughts regarding the quality of the Sigma against the canon?
Btw...I'm not bothered about wether sealing, and I'm a 5dMk2 user