Canon EF 100mm f/2 USM

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Prime lens

A prime lens by Canon for Full frame cameras, 100mm f/2.

What it frames like

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

How wide 100mm sees on each sensor it covers.

f/2 wide open, to scale against f/1.4.

On full frame (Canon EF): as marked, 100mm.
On APS-C (Canon) (Canon EF): like 160mm on full frame; f/2 gives about the depth of field of f/3.2 there.

See what it frames: its view on the Canon EOS 850D at any distance, and its depth of field, drawn to scale.