Sigma 50mm F1.4 EX DG HSM vs Sigma 50mm F1.4 DG HSM | A | SIGMA Blog

Adding either of these Sigma 50mm F1.4s camera lenses to your kit is a great idea. Is the Sigma 50mm F1.4 DG HSM | A or 50mm F1.4 EC DG HSM right for you? ... Overall, the Art 50 does outperform the EX 50, but but are far and away a superior purchase ...

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