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Sigma stage online will have an event on June 1st to announce the Sigma 16-28mm f/2.8 DG DN. Sigma 16-28mm F2.8 DG DN Contemporary 11 groups of 16 optical structures the closest focusing distance: 25cm the maximum magnification: 1:5.6 9 pieces Circular aperture blade filter interface: 72mm, size: φ77.2×100.6mm (E-mount version is 102.6mm) weight: 450 […]