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Panasonic Lumix S PRO 24-70mm f/2.8 vs Sigma 28-70mm f/2.8 DG DN Contemporary

Both are L-Mount mount zooms for pro standard zoom and everyday — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.

Last verified 2026-06-21 · L-Mount mount · prices change — check the retailer

SpecPanasonic Lumix S PRO 24-70mm f/2.8Sigma 28-70mm f/2.8 DG DN Contemporary
Focal length24-70mm28-70mm
Max aperturef/2.8f/2.8
Typezoomzoom
Coveragefull-framefull-frame
MountL-MountL-Mount

Which should you buy?

Where to buy

Check the Panasonic Lumix S PRO 24-70mm f/2.8 price on Amazon →

Check the Sigma 28-70mm f/2.8 DG DN Contemporary price on Amazon →

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FAQ

What's the difference between the Panasonic Lumix S PRO 24-70mm f/2.8 and the Sigma 28-70mm f/2.8 DG DN Contemporary?
The Panasonic Lumix S PRO 24-70mm f/2.8 is 24-70mm f/2.8 zoom, full-frame; the Sigma 28-70mm f/2.8 DG DN Contemporary is 28-70mm f/2.8 zoom, full-frame. Both fit the L-Mount mount.

Do the Panasonic Lumix S PRO 24-70mm f/2.8 and Sigma 28-70mm f/2.8 DG DN Contemporary fit the same camera?
Yes — both are L-Mount mount lenses, so they fit Panasonic Lumix S, Leica SL, and Sigma fp full-frame bodies (the L-Mount Alliance).

More L-Mount comparisons: Panasonic Lumix S PRO 50mm f/1.4 vs Sigma 50mm f/1.4 DG DN Art · Panasonic Lumix S 18mm f/1.8 vs Sigma 24mm f/1.4 DG DN Art · Panasonic Lumix S PRO 70-200mm f/2.8 OIS vs Sigma 70-200mm f/2.8 DG DN OS Sports · Sigma 24-70mm f/2.8 DG DN II Art vs Sigma 28-70mm f/2.8 DG DN Contemporary · all L-Mount lenses · all comparisons