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The17-70mmF2.8-4DCMacroHSMOSisthefirstlensintheContemporarycategoryofSigma’sGlobalVision.TheSigma17-70mmF2.8-4wasdesignedtobetheidealall-purposelensforAPS-Csizedsensors.Withagreatfocallengthandmacrocapability,the17-70mmF2.8-4isalsoequippedwithaHyperSonicMotor(HSM)andanOpticalStabilizer(OS)forsuperiorimagequality.TheHSMensuresquiet,accurate,andfastautofocusingwhiletheOScompensatesforcamerashakewhenshootingbyhand.Theconstructionofthe17-70mmincludesnewTSCmaterial(ThermallyStableComposite),whichallowsforincreaseddurabilityaswellareductioninsizeby30%comparedtoconventionalmodels.TwoFLDglasselements,whichhaveperformanceequaltofluorite,areincorporatedwithoneSLDelementtoreducecoloraberrationatthehighestdegree.The17-70mmF2.8-4MacroDCHSMOSiscompatiblewiththeSigmaUSBdockforanincreasedlevelofcustomization.Theperfectall-purposetravellens,the17-70mmF2.8MacroDCHSMOSisamusthaveforanycamerabag.
Dimensions(DiameterxLength):79mmx82mmmm/3.1inx3.2in
Weight:465g/16.4oz
Sigmahasdevelopedspecialsoftware(SIGMAOptimizationPro)thatcanupdatethelensfirmwareandadjustparameterssuchasfocus.
Since1961,andwiththerecentintroductionofSigmaGlobalVision,wehaveworkedtowardonesingle,simplegoal:Toholdourselvestothehigheststandardofdesign&manufacturingofimagingproducts.Photographyisallwedo.Andit’sallwe’vedone.Soyoucanrestassuredthatit’ssomethingweknowextensivelyandcaredeeplyabout.Youhaveavision.We’vemadeitourmission.