Canon EF 70-300mm f/4-5.6L IS USM

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Zoom lens

A zoom lens by Canon for Full frame cameras, 70-300mm f/4-5.6.

Maker	Canon
Focal length	70-300mm (zoom)
Maximum aperture	f/4-5.6 (it gets darker as you zoom in)
Made for	Full frame sensors
Mounts	Canon EF
Stabilised	yes
Autofocus	yes

What it frames like

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

How wide 70mm sees at its wide end on each sensor it covers.

f/4 wide open, to scale against f/1.4.

On full frame (Canon EF): as marked, 70-300mm.
On APS-C (Canon) (Canon EF): like 112-480mm on full frame; f/4-5.6 gives about the depth of field of f/6.4-9 there.