Sigma 150-600mm f/5-6.3 DG OS HSM | S £1200, $2000

A SIGMA ‘SPORT’ LINE LENS THAT LIVES UP TO ITS BILLING

NPhoto - - Gear Zone -

Com­pared with Sigma’s Con­tem­po­rary 150-600mm, the first thing you no­tice about the Sport edi­tion is that it’s big­ger and nearly a kilo­gram heav­ier. In­deed, at a pinch un­der three kilo­grams, it’s the heav­i­est lens in the group. How­ever, it’s solidly built, and whereas the C-class Sigma has a weather-sealed mount, this one has a full set of seals around the joints and switches.

The S-class lens builds on the fea­ture set of the C-class one, with the same multi-mode aut­o­fo­cus and stabilisation sys­tems and cus­tom set­tings fa­cil­i­ties, plus an ex­tra top­grade FLD (Flu­o­rite Low Dis­per­sion) el­e­ment, mak­ing a to­tal of two FLD el­e­ments and three SLD (Spe­cial Low Dis­per­sion) ones.

Per­for­mance

True to its sporty claims, the lens fea­tures very fast aut­o­fo­cus that beats that of the other 150-600mm lenses on test, and the Nikon 200500mm. It also beats them for sharp­ness at the long end of the zoom range, and is par­tic­u­larly im­pres­sive for such a long lens.

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