Mini reviewThe 180mm focal length and f/2.8 maximum aperture are ideal for low-light sports/action photography as well as tight close-ups.
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Mini reviewThird-party lenses aren't always the poor relations – they can give more features and more performance for your money.
The Sigma 120-300mm f/2.8 EX DG OS HSM is a cheaper option than Nikon and Canon's astronomically expensive (although superb) pro telephoto lenses. With the new model you get optical stabilisation (OS), and the whole thing adds up to a lens that is far from a lightweight.
Not the newest, but this Sigma zoom lens still has something to offer at the price
Small but feature-packed, this Sigma zoom lens aims to go large on value for money