Sigma will soon announce a new 105mm f/2.8 DG DN Macro Art lens for Sony E-mount cameras. The US price for the telephoto zoom lens will be $799. Here are the first images and specs of the Sigma 105mm f/2.8 DG DN Macro Art lens.

The telephoto zoom lens is designed specially for Sony E-mount and Leica L-mount mirrorless cameras. The official announcement of the lens is expected to happen in the next several days.
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https://www.dailycameranews.com/2020/09/first-images-specs-of-sigma-105mm-f-2-8-dg-dn-macro-art-lens/