ricardovaste Posted June 10, 2009 Share Posted June 10, 2009 <p>Sorry, but Sigma & Tamron make very sharp lenses. It's the micro contrast of the ZA lenses that is the issue here.</p> Link to comment Share on other sites More sharing options...
eddevlam Posted June 10, 2009 Share Posted June 10, 2009 <p>Hello Richard. Of course Sigma and Tamron make sharp zoom lenses too, but not as sharp as the Zeiss at F2.8. And I like the high micro contrast, even for portraits. Just a matter of taste.</p> Link to comment Share on other sites More sharing options...
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