Canon EF 28-135mm f/3.5-5.6 IS USM

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Zoom lens

A zoom lens by Canon for Full frame cameras, 28-135mm f/3.5-5.6.

What it frames like

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

How wide 28mm sees at its wide end on each sensor it covers.

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

On full frame (Canon EF): as marked, 28-135mm.
On APS-C (Canon) (Canon EF): like 45-216mm on full frame; f/3.5-5.6 gives about the depth of field of f/5.6-9 there.