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Canon RF 100-400mm f/5.6-8 — Prime/Zoom
Canon

Canon RF 100-400mm f/5.6-8

Prime/Zoom

84
/ 100
From $649
VS
Sigma 35-150mm f/2-2.8 DG DN Art wins by 7
Sigma 35-150mm f/2-2.8 DG DN Art — Prime/Zoom
Sigma

Sigma 35-150mm f/2-2.8 DG DN Art

Prime/Zoom

91
/ 100
From $1,499
Specdex verdict

Sigma 35-150mm f/2-2.8 DG DN Art takes it — here’s why.

In our weighted Specdex score, Canon RF 100-400mm f/5.6-8 lands at 84 and Sigma 35-150mm f/2-2.8 DG DN Art at 91. That puts Sigma 35-150mm f/2-2.8 DG DN Art ahead by 7 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Canon RF 100-400mm f/5.6-8 if…

  • Fast aperture
  • Quiet autofocus
  • Weather-sealed (most)

Pick Sigma 35-150mm f/2-2.8 DG DN Art if…

  • Fast autofocus
  • Weather-sealed
  • Premium optics
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Build

Sigma 35-150mm f/2-2.8 DG DN Art

Compared on the build sub-score

Sigma 35-150mm f/2-2.8 DG DN Art leads on build (94 vs 88).

Sharpness

Sigma 35-150mm f/2-2.8 DG DN Art

Compared on the sharpness sub-score

Sigma 35-150mm f/2-2.8 DG DN Art leads on sharpness (91 vs 84).

Autofocus

Sigma 35-150mm f/2-2.8 DG DN Art

Compared on the autofocus sub-score

Sigma 35-150mm f/2-2.8 DG DN Art leads on af (90 vs 82).

Value for money

Canon RF 100-400mm f/5.6-8

Specdex score per dollar at MSRP

Canon RF 100-400mm f/5.6-8 more score per dollar ($649 vs $1,499).

Canon RF 100-400mm f/5.6-8 84
vs
91 Sigma 35-150mm f/2-2.8 DG DN Art

Score breakdown

Canon RF 100-400mm f/5.6-8
84
sharpness 84
af 82
build 88
value 85
Sigma 35-150mm f/2-2.8 DG DN Art
91
sharpness 91
af 90
build 94
value 84

Specs side-by-side

Canon RF 100-400mm f/5.6-8 versus Sigma 35-150mm f/2-2.8 DG DN Art — full spec comparison
Spec Canon RF 100-400mm f/5.6-8 Sigma 35-150mm f/2-2.8 DG DN Art

Canon RF 100-400mm f/5.6-8

Pros
  • +Fast aperture
  • +Quiet autofocus
  • +Weather-sealed (most)
Cons
  • Mount-specific
  • Weight varies
  • Price scales with quality

Sigma 35-150mm f/2-2.8 DG DN Art

Pros
  • +Fast autofocus
  • +Weather-sealed
  • +Premium optics
Cons
  • Heavy
  • Expensive
  • Focus breathing varies

FAQ: Canon RF 100-400mm f/5.6-8 vs Sigma 35-150mm f/2-2.8 DG DN Art

Which is better, Canon RF 100-400mm f/5.6-8 or Sigma 35-150mm f/2-2.8 DG DN Art? +

Sigma 35-150mm f/2-2.8 DG DN Art scores 91 on our weighted rubric — ahead by 7. Your best pick depends on the sub-scores above.

Is Canon RF 100-400mm f/5.6-8 worth the price? +

At $649, Canon RF 100-400mm f/5.6-8 delivers a Specdex score of 84 — strongest in build.

Is Sigma 35-150mm f/2-2.8 DG DN Art worth the price? +

At $1,499, Sigma 35-150mm f/2-2.8 DG DN Art delivers a Specdex score of 91 — strongest in build.

Does Canon RF 100-400mm f/5.6-8 or Sigma 35-150mm f/2-2.8 DG DN Art last longer? +

Based on our long-term update and support ratings, both ship with multi-year support. Battery and reliability scores are visible in the breakdown above.

Which is better for build, Canon RF 100-400mm f/5.6-8 or Sigma 35-150mm f/2-2.8 DG DN Art? +

Sigma 35-150mm f/2-2.8 DG DN Art — leads on build (94 vs 88). Compared on the build sub-score.

Which is better for sharpness, Canon RF 100-400mm f/5.6-8 or Sigma 35-150mm f/2-2.8 DG DN Art? +

Sigma 35-150mm f/2-2.8 DG DN Art — leads on sharpness (91 vs 84). Compared on the sharpness sub-score.