Lenses,

Sigma 85mm F1.4 DG HSM Art, 12-24mm F4 DG HSM Art, and 500mm F4 DG OS HSM Sport Lenses

Mark Goldstein

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Sigma have unveiled its new 85mm F1.4 DG HSM Art, 12-24mm F4 DG HSM Art and 500mm F4 DG OS HSM Sport lenses.

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