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Canon EF 11-24mm f/4L USM vs Tamron AF 17-50mm f/2.8 XR Di-II LD (Model A16)

Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.

Verdict at a glance

  • Canon EF 11-24mm f/4L USM is faster by 1.3 stops (f/11.0 vs f/17.0), letting in more light.
  • Canon EF 11-24mm f/4L USM goes wider (11mm vs 17mm).
  • Tamron AF 17-50mm f/2.8 XR Di-II LD (Model A16) reaches further (50mm vs 24mm).
Specification comparison
Spec EF 11-24mm f/4L USM AF 17-50mm f/2.8 XR Di-II LD (Model A16)
Brand Canon Tamron
Mount Canon EF Canon EF
Type Wide Zoom Zoom
Focal length 11-24mm (wider) 17-50mm
Max aperture f/11.0 (faster) f/17.0
Released 2015 n/a
Blades 9 n/a
Format full-frame n/a
Groups 11 n/a
Af motor USM n/a
Elements 16 n/a
Weight g 1180.0 n/a
Length mm 132.0 n/a
Diameter mm 108.0 n/a
Min focus m 0.28 n/a
Max magnification 0.16 n/a

Canon EF 11-24mm f/4L USM

A rectilinear ultra-wide zoom that goes wider than most full-frame lenses. It has a bulbous front element and no front filter thread.

Pros

  • Extreme 11mm wide end
  • Straight lines, not a fisheye
  • Constant f/4
  • Sharp for the range

Cons

  • No front filter thread
  • Heavy (about 1.2 kg)
  • Bulbous front element is exposed

Tamron AF 17-50mm f/2.8 XR Di-II LD (Model A16)

Tamron AF 17-50mm f/2.8 XR Di-II LD (Model A16): an APS-C fast standard zoom lens with a 17-50mm focal length and a maximum aperture of f/2.8, made for Canon EF mount cameras. The range covers everything from wide scenes to portraits, so it works as a general-purpose lens.

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