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Canon RF 70-200mm F4 L IS USM vs Canon RF 100-400mm F5.6-8 IS USM

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

Verdict at a glance

  • Canon RF 70-200mm F4 L IS USM is faster by 1 stop (f/4.0 vs f/5.6), letting in more light.
  • Canon RF 100-400mm F5.6-8 IS USM is lighter by 60g.
  • Canon RF 70-200mm F4 L IS USM goes wider (70mm vs 100mm).
  • Canon RF 100-400mm F5.6-8 IS USM reaches further (400mm vs 200mm).
Specification comparison
Spec RF 70-200mm F4 L IS USM RF 100-400mm F5.6-8 IS USM
Brand Canon Canon
Mount Canon RF Canon RF
Type Telephoto Zoom Telephoto Zoom
Focal length 70-200mm (wider) 100-400mm
Max aperture f/4.0 (faster) f/5.6
Released 2021 2021
Blades 9 9
Format full-frame full-frame
Groups 11 9
Af motor USM USM
Elements 16 12
Weight g 695.0 635.0 (lighter)
Filter mm 77 67
Length mm 119.0 164.7
Stabilized Yes Yes
Diameter mm 83.5 79.5
Min focus m 0.6 (closer focusing) 0.88
Max magnification 0.28 0.41

Canon RF 70-200mm F4 L IS USM

A very compact f/4 telephoto zoom for Canon RF full-frame cameras with image stabilization. Small enough for hiking and travel.

Pros

  • Very compact and light (695 g)
  • Image stabilization
  • Weather-sealed L build
  • Constant f/4

Cons

  • f/4 limits low light
  • Less shallow depth of field
  • Extends when zooming

Canon RF 100-400mm F5.6-8 IS USM

A telephoto zoom for Canon RF full-frame cameras with image stabilization and a light build for its range.

Pros

  • Light (635 g)
  • Image stabilization
  • Long range
  • Compact

Cons

  • Slow aperture
  • Not an L-series build
  • Less sharp than L lenses

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