Quote:
Originally Posted by k28slm
The reason I am going for the 70-300 is because it has Macro capability and cant really stretch to a dedicated Macro lens at the moment.
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Don't make the mistake of thinking this is, in any way, a macro lens. I wish lens makers wouldn't call things like this "macro" - it's just not anywhere near true.
The close focus distances of the two lenses are almost identical (1.1m and 1m) so you gain nothing there.
The Nikon also has a ring type AF-S focus motor while the Tamron has a rather old style micro motor. The chromatic aberration in these Tamron lenses is another reason why I'd avoid it, along with the lack of stabilisation.
Of course, its your money, but I would steer clear of the Tamron lens. The extra 100mm on of range on the Tamron is completely outweighed by the poor optical quality above about 140-160mm, the lack of stabilsation and the far superior AF system in the Nikon lens.