Tam­ron Packs more Punch InTo com­PacT Zoom

Camera - - WHAT’S NEW -

IT WOulDN’T HAvE been pos­si­ble not so very long ago, but Tam­ron has man­aged to shoe-horn the 18-400mm fo­cal range into a zoom lens that mea­sures around 12 cen­time­tres in length and weighs a shade over 700 grams.

The new Tam­ron 18-400mm f3.5-6.3 Di II VC HLD zoom is de­signed for use with ‘APS-C’ for­mat D-SLRs which means the ef­fec­tive fo­cal range is 27-600mm on a Nikon ‘DX’ body and 29-640mm on a Canon EF-S mount body. It’s the world’s first ‘ul­tra zoom’ – the zoom­ing ra­tio is 22.2x – and it’s packed with Tam­ron’s lat­est lens tech, in­clud­ing two moulded as­pher­i­cal el­e­ments, a hy­brid as­pher­i­cal el­e­ment and three low-dis­per­sion types. The op­ti­cal con­struc­tion com­prises 16 el­e­ments in 11 groups.

The 18-400mm zoom also em­ploys an ‘High/Low Torque Mo­du­lated Drive’ (HLD) for fast aut­o­fo­cus­ing and ‘Vi­bra­tion Com­pen­sa­tion’ (VC) op­ti­cal im­age sta­bil­i­sa­tion which gives up to 2.5 stops of cor­rec­tion for cam­era shake. The min­i­mum fo­cus­ing dis­tance is 45 cen­time­tres which, at 400mm, gives a max­i­mum mag­ni­fi­ca­tion ra­tio of 1:2.9. The min­i­mum aper­ture range is f22-40, and the screwthread fil­ter fit­ting is 72 mil­lime­tres. The bar­rel is sealed against the in­tru­sion of dust and mois­ture and both the Canon and Nikon mount ver­sions have an elec­tro­mag­net­i­cally-con­trolled di­aphragm with seven blades.

The new Tam­ron 18-400mm f3.5-6.3 Di II zoom is priced at $999. More in­for­ma­tion is avail­able at www.tam­ron.com.au

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