Sigma 16-28mm f/2.8 DG DN Contemporary

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Zoom lens

A zoom lens by Sigma for Full frame cameras, 16-28mm f/2.8.

What it frames like

Its full-frame-equivalent focal length on the sensor it was made for.

How wide 16mm sees at its wide end on each sensor it covers.

f/2.8 wide open, to scale against f/1.4.

On full frame (Sony E, L-Mount): as marked, 16-28mm.
On APS-C (Sony E, L-Mount): like 24-42mm on full frame; f/2.8 gives about the depth of field of f/4.2 there.