Just posted: Sigma 28-70mm f/2.8 DG DN Contemporary Lens Review.
Find out how this standard zoom lens compares to the others in its class, including the directly-competing Tamron 28-75mm f/2.8 Di III RXD Lens.
The Sigma 28-70mm f/2.8 DG DN Contemporary Lens is in stock at B&H | Adorama | Amazon USA | WEX
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