Quote:
Originally Posted by postcardcv
I had the Sigma 70-200 f2.8 for a while and it's a nice lens, while using it I has no complaints about it. Then I tried a Canon 70-200 f4 and realised that the Sigma was falling short. The Canon was sharper across a range of apertures and gave much truer colour rendition, I decided that I could live without the f2.8 so swapped over the the Canon f4 (non-IS) lens and have not regretted it for a moment. As well as the optical improvement the Canon handles better and also the AF is significantly faster and more acurate. If I'd had the cash I'd have gone for an f2.8 IS, but the standard f4 is a very good cheaper alternative.
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I also own the f4 NON IS and totally agree with this statement - couldn't have written it better...........