The Sigma 28-70mm F2.8 DG DN Contemporary ($899) is a relatively compact zoom lens for full-frame cameras. It's smaller and less expensive than more common 24-70mm F2.8 optics, adding appeal for ...
Photographers often bristle at plastic parts on their cameras and lenses. As part of a larger effort to build a smaller, lighter walk-around lens, however, Sigma has opted for revamped plastic ...
The Sigma 28-70mm F2.8 DG DN Contemporary ($899) is a relatively compact zoom lens for full-frame cameras. It's smaller and less expensive than more common 24-70mm F2.8 optics, adding appeal for ...
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