With the new 28-70mm F2.8 DG DN Contemporary lens, Sigma is expanding its product range for mirrorless full-frame cameras with L-mount (Leica, Panasonic, and Sigma cameras) and with E-mount (Sony) to include another high-light standard zoom. The new Sigma 28-70mm F2.8 is a more compact and lighter alternative to the 28-70mm F2.8 DG DN Art lens. The new lens was …
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