Canon Canon EF Telephoto Zoom

EF 70-200mm f/4L USM + EF 1.4x extender

70-200mm
f/70.0
Telephoto Zoom

Quick answer

The Canon EF 70-200mm f/4L USM + EF 1.4x extender is a standard to telephoto telephoto zoom lens covering 70-200mm at f/70.0 for the Canon EF mount. Its smaller maximum aperture favours daylight shooting and keeps the lens compact.

About this lens

Canon EF 70-200mm f/4L USM + EF 1.4x extender: a telephoto zoom lens with a 70-200mm focal length and a maximum aperture of f/4, made for Canon EF mount cameras, from the Canon L series with ultrasonic-motor autofocus. A lighter and more affordable L-series telephoto zoom than the f/2.8 version, with a constant f/4 aperture.

Canon EF 70-200mm f/4L USM + EF 1.4x extender specifications

Brand: Canon
Mount: Canon EF
Focal length: 70-200mm
Maximum aperture: f/70.0
Lens type: Telephoto Zoom

What can you shoot with the Canon EF 70-200mm f/4L USM + EF 1.4x extender?

At 70-200mm this is a standard to telephoto telephoto zoom, which typically suits:

Everyday and street photography
Natural-perspective portraits
Documentary and travel work
Portraits with a flattering perspective
Events and weddings

Its smaller maximum aperture favours daylight shooting and keeps the lens compact.

Full-frame equivalent and field of view

Calculated from the focal length and crop factor. Not measured.

Sensor	Crop	Equivalent	Horizontal FOV	Diagonal FOV
Full frame	1.0x	70–200mm	10.3–28.8°	12.3–34.3°
APS-C	1.6x	112–320mm	6.4–18.3°	7.7–21.9°

Try the field-of-view calculator

Frequently asked questions

What mount does the Canon EF 70-200mm f/4L USM + EF 1.4x extender use?

It uses the Canon EF mount, so it fits Canon EF cameras directly.

What is the focal length of the Canon EF 70-200mm f/4L USM + EF 1.4x extender?

It zooms across 70-200mm with a maximum aperture of f/70.0. That makes it a standard to telephoto lens.

Is the Canon EF 70-200mm f/4L USM + EF 1.4x extender a prime or a zoom lens?

It is a zoom lens covering 70-200mm, so you can reframe without moving. Its maximum aperture is f/70.0.

What is the Canon EF 70-200mm f/4L USM + EF 1.4x extender equivalent on a crop sensor?

On APS-C (1.6x crop) it frames like 112–320mm on full frame, with a 6.4–18.3° horizontal and 7.7–21.9° diagonal field of view. These figures are calculated from the focal length and crop factor.