Sigma 120-300mm f/2.8 EX DG OS HSM Review
Posted on 2012-03-01 14:31:57 by Thomas De MaesschalckHigh-quality telephoto lenses for DSLRs are tricky to buy. They're a huge investment, with prices starting at around £1,500 and heading sharply skywards. There are also considerable usability problems: long focal lengths require fast shutter speeds, which require large apertures, which all results in lots of heavy, fine-tuned and extremely expensive glass.
Link: Techradar
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