Sigma will announce a new lens on June 1st the Sigma 16-28mm f/2.8 DG DN Contemporary according to CameraBeta.
[Sigma full-frame micro-single head 16-28mm F2.8 DG DN|C or officially released on June 1] The new head adopts 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 grams, Sony E and Mareson L-mount versions will be launched.
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