Tam­ron SP AF 10-24mm f/3.5-4.5 Di II £370, $500

This af­ford­able Tam­ron of­fer­ing matches the com­pet­ing Nikon lens for zoom range and aper­ture

NPhoto - - Test Team -

This Tam­ron costs much less than the equiv­a­lent Nikon lens yet of­fers an iden­ti­cal, class-leading 2.4x zoom range. It’s from the SP (Su­per Per­for­mance) line and fea­tures low-dis­per­sion and aspher­i­cal el­e­ments for cor­rect­ing aber­ra­tions, plus multi-coat­ings on in­ner sur­faces to re­duce ghost­ing and flare.

Un­like some ear­lier Tam­ron lenses that were sub­se­quently up­dated, the Nikon-fit edi­tion of this one has al­ways fea­tured an in­ter­nal aut­o­fo­cus mo­tor, so it can aut­o­fo­cus on any Nikon D-SLR – al­though the some­what ba­sic elec­tric mo­tor is a bit slug­gish. The man­ual fo­cus ring is quite large and is po­si­tioned to­wards the front of the lens. It ro­tates dur­ing aut­o­fo­cus, so you have to be care­ful not to foul its ac­tion with your fin­gers.

Per­for­mance

We found ex­po­sure to be more ac­cu­rate and con­sis­tent than when we used pre­vi­ous re­view sam­ples of this lens, where we’d of­ten have to ap­ply neg­a­tive ex­po­sure com­pen­sa­tion. How­ever, sharp­ness is dis­ap­point­ing to­wards the edges and cor­ners of the frame, and there’s more no­tice­able bar­rel dis­tor­tion at mid to long zoom set­tings than with most com­pet­ing lenses. On bal­ance, the Sigma 10-20mm f/4-5.6 is a bet­ter budget buy.

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