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Review: The Sigma Art 50mm f/1.4 for Nikon - Wake Forest / Raleigh NC Photographer Anthony S. Torres' Blog : Wake Forest / Raleigh NC Photographer Anthony S. Torres' Blog
Sigma 50mm f1.4 ART DG HSM Nikon Mount lens – Camera Exchange
Sigma AF 50mm f/1.4 DG HSM | A ("Art") (Nikon FX) - Review / Test Report