Sigma 50-100mm f/1.8 DC HS M | A £950/$1,100

A ut­tle some­thing for DX Cam­eras

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This is the only lens in the test group that’s ac­tu­ally de­signed ex­clu­sively for DX­for­mat cam­eras, on which it gives an ‘ef­fec­tive’ zoom range of 75-150mm. De­spite the rel­a­tively small im­age cir­cle re­quired by APS-C for­mat sen­sors, and the down­sized zoom range, it’s still about the same size and weight as most 70-200mm f/2.8 lenses, and has an over­sized 82mm fil­ter at­tach­ment thread. This is due to its main claim to fame: its su­per-fast f/1.8 con­stant aper­ture.

The lens’ rel­a­tively short fo­cal length range and ex­traw­ide aper­ture are more ben­e­fi­cial to cre­ative pho­tog­ra­phy with tight depths of field, mak­ing the Sigma more de­sir­able for por­trai­ture and still life cap­ture rather than ac­tion sports and wildlife pho­tog­ra­phy.


One of Sigma’s Art rather than Sport lenses, it re­tains a ring-type ul­tra­sonic aut­o­fo­cus sys­tem but AF speed is rel­a­tively slow, and there’s no op­ti­cal sta­bi­lizer.

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