50mm F1.4 EX DG HSM - Sigma Corporation of America

DG DG for Digital Designed to deliver the ultimate in performance on full-frame digital SLRs, Sigma DG lenses also bring out the best in 35mm SLR film cameras and APS-C ... Sigma's 50mm F1.4 EX DG HSM is high quality, professional optics and you’ll know i

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