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Nikon Cameras & Lenses - New Nikon Z 50mm f/1.8 S lens review and comparison with the Sigma 50mm f/1.4 DG HSM Art lens (Nikon wins): https://nikonrumors.com/2018/12/06/new-nikon-z-50mm-f-1-8 -s-lens-review-and-comparison-with-the-sigma-50mm-f-1-4-dg-hsm ...
Sigma 50mm f/1.4 DG HSM Art lens review - Nikon Rumors
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Battle of the Fast 50mm's: Nikon f1.8 vs f1.4 vs Sigma f1.4 – DigitalRev
