TAM­RON UP­DATES SUPERTELE ZOOM

Camera - - WHAT’S NEW -

AL­READY POP­U­LAR WITH sports and wildlife pho­tog­ra­phers, Tam­ron’s 150-600mm su­pertele­photo zoom has been sig­nif­i­cantly up­graded in a new sec­ond-gen­er­a­tion ‘G2’ model with changes both ex­ter­nally and in­ter­nally. Pho­tok­ina 2016 was the first chance to see this lens in the flesh.

Com­pletely restyled with a new, sleeker look the new SP 150-600mm f5.0-6.3 Di VC USD G2 will ini­tially be avail­able in the Nikon F and Canon EF mounts with a Sony Al­pha mount ver­sion to fol­low. The new lens’s bar­rel is sealed to pre­vent the in­tru­sion of dust and mois­ture, while a flu­o­rine coat­ing is used on the face of the front el­e­ment to pre­vent the build-up of dirt and grease. The in­te­grated tri­pod mount­ing bracket is now made of mag­ne­sium al­loy to save weight and has an Arca-Swiss mount­ing plate. Also new is a ‘Flex Zoom Lock’ which en­ables the quick lock­ing of the lens at any fo­cal length by sim­ply slid­ing the zoom­ing col­lar. On the in­side, the G2 150- 160mm has an op­ti­cal con­struc­tion com­pris­ing 21 ele­ments in 13 groups. Three of these ele­ments are low-dis­per­sion (LD) types to re­duce ax­ial and trans­verse chro­matic aber­ra­tions. Tam­ron’s ‘eBAND’ nano-struc­tured multi-coat­ing is em­ployed to min­imise in­ter­nal re­flec­tions, the BBAR (Broad-Band Anti-Re­flec­tion) coat­ings are used to counter ghost­ing and flare.

Aut­o­fo­cus­ing is via a ring-type ‘Ul­tra­sonic Si­lent Drive’ (USD) mo­tor with a full-time man­ual over­ride and a min­i­mum fo­cus­ing dis­tance of 2.2 me­tres which, at 600mm, gives a max­i­mum re­pro­duc­tion ra­tio of 1:3.9.

A nine-bladed di­aphragm gives smoother outof-fo­cus ef­fects and is elec­tro-mag­net­i­cally con­trolled (on both mount ver­sions) for more pre­cise aper­ture set­ting. An up­dated ver­sion of Tam­ron’s ‘Vi­bra­tion Com­pen­sa­tion’ (VC) op­ti­cal im­age sta­bil­i­sa­tion is in­stalled and of­fers up to 4.5 stops of cor­rec­tion for cam­era shake. Ad­di­tion­ally, there are now three VC modes, in­clud­ing one de­signed for use when pan­ning. The stan­dard VC mode is con­fig­urable – to de­ter­mine viewfinder pri­or­ity – via the op­tional Tam­ron TAP-In Con­sole.

While the new 150-600mm is a ‘Di’ lens – Tam­ron’s des­ig­na­tion for the full-35mm sen­sor size – it can be used on ‘APS-C’ for­mat cam­eras when the ef­fec­tive fo­cal length be­comes 233-930mm. If these fo­cal ranges still aren’t long enough for you, Tam­ron has also de­vel­oped two ded­i­cated tele­con­vert­ers for its new tele­zoom, with 1.4x and 2.0x mag­ni­fi­ca­tion. The 1.4x ver­sions gives a fo­cal range of 210840mm (326-1302mm on ‘APS-C’) while the 2.0x con­verter bumps it up to 300-1200mm (a mas­sive 465-1860mm on an ‘APS-C’ D-SLR).

New Tam­ron dis­trib­u­tor, TNS Con­nect, ex­pects to G2 150-600mm lens to be avail­able lo­cally from the first week in Oc­to­ber priced at around $2100. For more in­for­ma­tion visit www.tam­ron.com.au

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