Tok­ina AT-X 12-28mm f/4 Pro DX £540, $500

Tok­ina’s re­cently launched 12-28mm goes fur­ther than most at the long end of the zoom range

NPhoto - - Test Team -

Buck­ing the trend of re­cent ul­tra-wide DX zoom lenses, this Tok­ina gives an ‘ef­fec­tive’ zoom range of 18-42mm. As such, the widest an­gle of view doesn’t hit triple fig­ures, top­ping out at 99 de­grees. The rel­a­tive lack of width can be no­tice­able when shoot­ing but, at the long end of the zoom range, it comes that bit closer to giv­ing the per­spec­tive of a stan­dard lens.

Typ­i­cal of Tok­ina lenses, build qual­ity feels re­as­sur­ingly ro­bust. More un­usu­ally, it fea­tures a new SD-M (Silent Drive-Mod­ule) aut­o­fo­cus sys­tem. Aut­o­fo­cus is much quicker and qui­eter than in most Tok­ina lenses, al­though it still lacks full-time man­ual over­ride. At least the fo­cus ring doesn’t ro­tate dur­ing aut­o­fo­cus, and the ‘one-touch fo­cus clutch’ mech­a­nism that’s com­mon to many Tok­ina lenses is re­tained. This en­ables a quick and easy push-pull ac­tion of the fo­cus ring for switch­ing be­tween aut­o­fo­cus and man­ual fo­cus.

Per­for­mance

Along with the mod­est max­i­mum view­ing an­gle comes well-con­trolled bar­rel dis­tor­tion at 12mm, shrink­ing to neg­li­gi­ble amounts at mid to long zoom set­tings. Sharp­ness is re­spectable, while colour fring­ing peaks in the mid­dle of the zoom range. In terms of price, it’s much more at­trac­tive in the USA than in the UK.

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