Sigma 85mm F1.4 EX DG HSM: Digital Photography Review

The Sigma 85mm F1.4 EX DG HSM is a short telephoto prime lens for full-frame and APS-C DSLRs. It features a hypersonic focus motor with full-time manual focus override, a 9-bladed aperture diaphragm for attractive background blur, and has a minimum focus

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