Sigma 120-300mm f/2.8 DG OS HS M | S £2,700/$3,600

A whop­per in terms reach, as well as size

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Com­pared with all of the 70-200mm f/2.8 lenses on test, this Sigma uniquely main­tains a fast and con­stant f/2.8 aper­ture rat­ing while stretch­ing the zoom range to 120-300mm. That equates to an im­pres­sive 50 per cent ex­tra fo­cal length at full stretch. It comes at a price though: not only is this Sigma the most ex­pen­sive lens on test, but it’s also rel­a­tively large, at 121x291mm, and has a fil­ter thread of 105mm.

Typ­i­cal re­fine­ments in­clude ring-type ul­tra­sonic aut­o­fo­cus and dual-mode static/pan­ning op­ti­cal sta­bi­liza­tion – well worth en­gag­ing even when us­ing a much-needed mono­pod. Two FLD and one SLD el­e­ments are in­cluded and, un­like most Sigma lenses, it fea­tures weather seals.


As one of Sigma’s Sport-line lenses, it’s de­signed for ac­tion pho­tog­ra­phy and, as such, the aut­o­fo­cus sys­tem is very fast and ef­fi­cient. Sharp­ness and con­trast are su­perb, even at the widest aper­ture, through­out the en­tire zoom range. All as­pects of per­for­mance are ab­so­lutely ex­cel­lent.

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