Sigma 20-200mm f/3.5-6.3 DG Contemporary

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Zoom lens

A zoom lens by Sigma for Full frame cameras, 20-200mm f/3.5-6.3. A 10x full-frame travel zoom that starts at 20mm.

What it frames like

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

How wide 20mm sees at its wide end on each sensor it covers.

f/3.5 wide open, to scale against f/1.4.

On full frame (Sony E, L-Mount): as marked, 20-200mm.
On APS-C (Sony E, L-Mount): like 30-300mm on full frame; f/3.5-6.3 gives about the depth of field of f/5.2-9.4 there.