By ROY FURCHGOTT
The sharp Sigma’s 18-35mm f/1.8 zoom doesn’t compromise despite its lower cost.
Published: December 12, 2013 at 12:00AM
from NYT Technology http://www.nytimes.com/2013/12/12/technology/personaltech/review-sigma-18-35mm-f-1-8-zoom-lens.html
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