Sigma 90mm F2.8 DG DN Contemporary Review

The Sigma 90mm F2.8 DG DN Contemporary ($639) is another entry in the I Series, a family of compact, metal-barrel lenses for full-frame mirrorless cameras. Like others in the family, the 90mm F2.8 is made for photographers who want to pack small, lightweight kits, prefer fixed focal views to zoom, and appreciate on-lens aperture control.

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