Reviews and Problems with Sigma APO 500mm F4.5 EX DG /HSM
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Value for money 9
Picture quality 8
Sigma APO 50-500mm f/4.5-6.3 EX DG OS HSM Review
What Digital Camera
29 April 2011
Summary: So has Sigma been over-ambitious? Yes, a little. This would be a much better performer if it were a 50-400mm zoom, especially given that it is compatible with Sigma’s 1.4x and 2.0x tele-converters for when extra reach is needed.
Conclusion: Overall this lens performs extremely well and produces some excellent shots. In the specialist areas where it would be used, such as Wildlife and sports, it proves easy to handle and, just as importantly, carry.
Pros: Good build and finish, Fast quiet autofocus, Very usable wide open, Manageable for its type, Close focus distance is good.
Cons: Lacks a little contrast, Hood a little short for the focal length.