Canon EF 20mm f/2.8 USM


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Canon EF 20mm f/2.8 USM

With a wide angle of view and a fast aperture, this lens is ideal for capturing landscapes or reportage. With its wide angle of view and extended depth of field, the EF 20mm f/2.8 is a great choice for photographers shooting landscapes, architecture or reportage. A lens that can be used almost anywhere.

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Take a more detailed look at the Canon EF 20mm f/2.8 USM

Dynamic wide angle design

By offering a field of view of 94˚, the Canon EF 20mm f/2.8 USM is able to take in the complete field of human vision, and much more. A great lens for the landscape or documentary photographer. Distortion is highly corrected, for a natural perspective when shooting architecture and interiors.

Fast maximum aperture

A maximum aperture of f/2.8 allows flash-free, hand-held shooting in low-light conditions when using a tripod is impractical.

Aspherical and UD elements

For optimum visual performance, the lens incorporates aspherical elements, to correct spherical aberrations, and Super UD (ultra-low dispersion) elements to eliminate chromatic aberrations. The result is crisp, high-contrast undistorted image quality all the way across the frame.

Ultrasonic focusing

A ring-type ultrasonic motor drives autofocus extremely quickly, and in near silence. Excellent holding torque ensures the point of focus is reached accurately, without overshooting. Furthermore, full-time manual override is available, making it possible to adjust focus without leaving AF mode.

Super Spectra coating

Super Spectra coatings help ensure accurate colour balance and high contrast. They also suppress flare and ghosting by absorbing light that would otherwise be reflected off internal lens elements and the camera’s digital sensor.


  • Ultra-wide-angle lens with angle of view of 94°
  • USM focus motor with full-time manual focus override
  • 25cm closest focusing distance
  • Super Spectra coatings


Angle of view (horzntl, vertl, diagnl)

84°, 62°, 94°

Lens construction (elements/groups)


No. of diaphragm blades


Minimum aperture


Closest focusing distance (m)


Maximum magnification (x)


AF actuator


Filter diameter (mm)


Max. diameter x length (mm)

77.5 – 70.6

Weight (g)


Magnification – Extension Tube EF12 II

0.72 – 0.60

Magnification – Extension Tube EF25 II

Lens Cap

E-72U / E-72II

Lens hood


Hard case


Soft case



AF actuator – ¹ Mechanical full-time manual focusing built-in.