Tok­ina AT-X 16-28mm f/2.8 PRO FX

£700, $630 One of Tok­ina’s newer lenses, it’s a chunky beast de­signed for the pro­fes­sional mar­ket

NPhoto - - Test Team -

A big, heavy lens, this Tok­ina weighs al­most as much as the Nikon 14-24mm, which is the weight­i­est in the group. Nei­ther is much less than a kilo­gram. The two lenses also share a pro feel to their build qual­ity, a fast f/2.8 con­stant aper­ture, and weather seals on their mount­ing plates.

One area in which they dif­fer is aut­o­fo­cus. The Nikon has ring-type ul­tra­sonic aut­o­fo­cus, but the Tok­ina em­ploys a ‘silent’ DC mo­tor and GMR (Gi­ant Mag­ne­tore­sis­tance) mod­ule. Tok­ina claims this gives faster, qui­eter aut­o­fo­cus. It’s cer­tainly true com­pared with some of Tok­ina’s older lenses, but aut­o­fo­cus is nowhere near as rapid or near-silent as in the Nikon 14-24mm.

This lens has Tok­ina’s trade­mark ‘one-touch fo­cus clutch’ – es­sen­tially a push-pull mech­a­nism cou­pled to the fo­cus ring, for switch­ing be­tween aut­o­fo­cus and man­ual fo­cus. It’s slicker than the sys­tem used in the Sigma 20mm lens as you don’t need to switch be­tween AF/M on the cam­era body.

Per­for­mance

Han­dling and im­age qual­ity are very good, with high lev­els of cen­tre sharp­ness and re­strained colour fring­ing, though cor­ners could be sharper. The built-in hood helps to avoid ghost­ing but pre­cludes the use of fil­ters.

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