Panasonic Lumix S 18-40mm f/4.5-6.3

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Zoom lens

A zoom lens by Panasonic for Full frame cameras, 18-40mm f/4.5-6.3.

What it frames like

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

How wide 18mm sees at its wide end on each sensor it covers.

f/4.5 wide open, to scale against f/1.4.

On full frame (L-Mount): as marked, 18-40mm.
On APS-C (L-Mount): like 27-60mm on full frame; f/4.5-6.3 gives about the depth of field of f/6.8-9.4 there.