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Sigma 24 70mm f 2 8 dg dn ii art vs samyang af 24 70mm f 2 8 fe?

Both are 24-70mm f/2.8 zooms for full frame, with autofocus and no stabilisation. The main difference is mounts. The Sigma 24-70mm f/2.8 DG DN II Art fits both Sony E and L-Mount, so it's the better pick if you shoot Leica or Panasonic or might switch. The Samyang AF 24-70mm f/2.8 FE is Sony E only.

If you're on a Sony E body, either will give you the same constant f/2.8 zoom range. I'd lean Sigma for the wider mount support. Check the third-party lenses notes before you buy, and remember that f/2.8 keeps exposure steady across the zoom.

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