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Canon EF 24-70mm f/2.8L II USM vs Canon EF 100-400mm f/4.5-5.6L IS II USM

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

Verdict at a glance

  • Canon EF 24-70mm f/2.8L II USM is faster by 10.3 stops (f/2.8 vs f/100.0), letting in more light.
  • Canon EF 24-70mm f/2.8L II USM is lighter by 765g.
  • Canon EF 24-70mm f/2.8L II USM goes wider (24mm vs 100mm).
  • Canon EF 100-400mm f/4.5-5.6L IS II USM reaches further (400mm vs 70mm).
  • Canon EF 100-400mm f/4.5-5.6L IS II USM is the newer design (2014 vs 2012).
Specification comparison
Spec EF 24-70mm f/2.8L II USM EF 100-400mm f/4.5-5.6L IS II USM
Brand Canon Canon
Mount Canon EF Canon EF
Type Zoom Telephoto Zoom
Focal length 24-70mm (wider) 100-400mm
Max aperture f/2.8 (faster) f/100.0
Released 2012 2014
Blades 9 9
Format full-frame full-frame
Groups 13 16
Af motor USM USM
Elements 18 21
Weight g 805.0 (lighter) 1570.0
Filter mm 82 77
Length mm 113.0 193.0
Diameter mm 88.5 94.0
Min focus m 0.38 (closer focusing) 0.98
Max magnification 0.21 0.31
Stabilized n/a Yes

Canon EF 24-70mm f/2.8L II USM

The second generation of Canon's pro standard zoom, with a constant f/2.8 aperture and weather sealing for demanding full-frame work.

Pros

  • Constant f/2.8
  • Sharp across the zoom range
  • Weather-sealed
  • Wide-to-short-tele range

Cons

  • No image stabilization
  • Heavy (about 800 g)
  • Large 82mm filter thread

Canon EF 100-400mm f/4.5-5.6L IS II USM

The EF 100-400mm f/4.5-5.6L IS II USM is a telephoto zoom with a twist-to-zoom design, improved optics and image stabilization. It replaced the push-pull original and suits wildlife and sports.

Pros

  • Twist zoom ring
  • Sharp across the range
  • Effective stabilization
  • Weather-sealed

Cons

  • Variable aperture
  • Heavy for a zoom (about 1.6 kg)
  • Large

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