Canon EF 11-24mm f/4L USM Lens

Model #9520B002

USA Version
Canon 9520b002 1
Canon 9520b002 1
Canon 9520b002 2
Canon 9520b002 3
Canon 9520b002 4
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Weight 2.6 lb (1.18 kg)
Filter Thread Rear:
Dimensions (DxL) Approx. 4.3 x 5.2" (109.22 x 132.08 mm)


Format Compatibility 35mm Film / Full-Frame Digital Sensor
Canon (APS-C)
Angle of View 126° 5' - 84°
Minimum Focus Distance 11.02" (28 cm)
Focal Length 11 - 24mm
Diaphragm Blades 9, Rounded
Elements/Groups 16/11
Aperture Maximum: f/4
Camera Mount Type Canon EF


Autofocus Yes
Expert Reviews
20 May 2015

The new EF 11-24mm f/4L USM Ultra Wide-Angle Zoom Lens was primarily designed for full-frame cameras. You can use it on an APS-C (cropped-sensor) body, but it would be a shame to lose the dramatic perspective afforded by that 11mm focal length (in APS-C-speak, that roughly translates into 18mm).

The digital picture.32823291
7 February 2015

on the far right. Primarily because of its smaller front, the Sigma is easily the smallest of this group. The ultra-alert will notice that the Sigma is sitting slightly higher in this comparison.

19 June 2015

This new ultra-wide angle zoom lens is currently the widest rectilinear lens available for full frame SLR cameras. It sports a reasonable f/4 aperture throughout the zoom range, silent Ultrasonic focusing, with full time manual override and a weather resistant build.

25 June 2015

The world’s widest angle rectilinear zoom lens gets put through our lab testing procedure in our Canon EF 11-24mm f/4L review. Canon has some superb full-frame ultra-wide-angle zoom lenses, but until recently the only option shorter than 16mm was the EF 8-15mm f/4L Fisheye USM (£915/$1,249).

User Reviews
B h photo.32817553
19 May 2015

I'm an editorial photographer and recently bought Canon's 11-24 f/4L lens. First, let me state that this unique ultra wide angle lens is not for everybody. It is expensive, but a bargain considering the nature of the lens. It is heavy, but relatively compact.

  • +

    Consistent Output, Fast / accurate auto-focus, Strong Construction, Unique

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14 April 2015

Having had another 12-24mm Brand Nicknamed Popeye, I have grown to appreciate a very wide angle lens for many years, but I could not crop the picture with out a fair amount of loss in picture quality. This new Canon EF 11-24 mm Ultra-Wide changes the game. This lens is an answer to a prayer.

Abt electronics.32817785
24 October 2015

Excellent quality. Great effects with this lens also.

  • +

    Consistent Output, Fast / accurate auto-focus

  • -


6 October 2015

As a real estate photographer, you will not find a better lens for your full frame Canon DSLR. Minimal geometric distortion for such a wide angle lens is a big plus.

Product Highlights
  • EF Mount L-Series Lens/Full-Frame Format
  • Constant f/4 Maximum Aperture
  • Super UD, UD, and 4 Aspherical Elements
  • SWC, Air Sphere, and Fluorine Coatings
  • Ring-Type USM Autofocus Motor
  • Internal Focus; Full-Time Manual Focus
  • Weather-Resistant Design
  • Rounded 9-Blade Diaphragm
Average Expert Score
Average User Score
In The Box
  • Canon EF 11-24mm f/4L USM Lens
  • Front Lens Cap
  • Lens Dust Cap E (Rear)
  • LP 1424 Lens Case
  • Limited 1-Year Warranty
Still Have Questions?
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