Sigma has announced the 40mm f/1.4 DG HSM Art and 105mm f/1.4 DG HSM Art lenses for the L mounts. The Sigma 40mm f/1.4 DG HSM Art lens incorporates a series of low dispersion and aspherical elements which help to improve sharpness and clarity. The lens features Sigma Super Multi-Layer and a protective coating has been applied to the front …
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