Which is better for travel?

The Nikon. It weighs 480 g against 3.95 lb for the Sigma and covers a wider 24-120mm equivalent range. The Sigma is a full-frame lens and will not mount on a Nikon DX body at all.

Which is better in low light?

The Sigma, because it holds f/2.8 at every focal length while the Nikon falls to f/4 at 80mm. On a full-frame body the Sigma also gathers light from a larger sensor area.

Is the Sigma worth the extra money?

Only if you shoot full-frame Canon EF and need constant f/2.8. At $1,258.46 as of November 3, 2026 it costs $609.46 more than the Nikon's $649.00, and it is far heavier.

Which has better stabilization?

The Nikon has Vibration Reduction rated to about four stops, with Sport and Tripod modes. The Sigma's listing does not state optical stabilization, so check your body's in-body stabilization.

Can I use either lens on a mirrorless camera?

Yes, with the right adapter: Nikon F to Z for the 16-80mm, Canon EF to RF or E for the Sigma. Autofocus speed depends on the adapter.

Neither is stated as weather-sealed, so both need care in rain and dust. The Sigma's metal Art-series build is generally sturdier than the Nikon's plastic barrel, but it is also much heavier to carry.

Nikon AF-S DX Nikkor 16-80mm f/2.8-4E ED VR vs Sigma 24-70mm f/2.8 DG OS HSM Art

Buy the Nikon 16-80mm if you shoot a DX body and want one light walk-around zoom; buy the Sigma 24-70mm Art if you shoot full-frame Canon EF and need a constant f/2.8. The Nikon is $649.00 at Willoughby's Photo Emporium as of November 3, 2026, and the Sigma is $1,258.46 at Amazon as of November 3, 2026. The Nikon is the better value for crop-sensor shooters; the Sigma is the better low-light and portrait lens on full frame.

Today the Nikon AF-S DX Nikkor 16-80mm f/2.8-4E ED VR costs $390.00 less at its best price.

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