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Canon RF 100-500mm f/4.5-7.1L IS USM — Prime/Zoom
Canon

Canon RF 100-500mm f/4.5-7.1L IS USM

Prime/Zoom

93
/ 100
From $2,699
VS
Canon RF 100-500mm f/4.5-7.1L IS USM wins by 3
Sigma 14-24mm f/2.8 DG DN Art — Prime/Zoom
Sigma

Sigma 14-24mm f/2.8 DG DN Art

Prime/Zoom

90
/ 100
From $1,399
Specdex verdict

Canon RF 100-500mm f/4.5-7.1L IS USM takes it — here’s why.

In our weighted Specdex score, Canon RF 100-500mm f/4.5-7.1L IS USM lands at 93 and Sigma 14-24mm f/2.8 DG DN Art at 90. That puts Canon RF 100-500mm f/4.5-7.1L IS USM ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Canon RF 100-500mm f/4.5-7.1L IS USM if…

  • ✓Fast autofocus
  • ✓Weather-sealed
  • ✓Premium optics

Pick Sigma 14-24mm f/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

Tie

Compared on the build sub-score

Effectively tied — neither pulls a 2-point weighted lead.

Sharpness

Canon RF 100-500mm f/4.5-7.1L IS USM

Compared on the sharpness sub-score

Canon RF 100-500mm f/4.5-7.1L IS USM leads on sharpness (93 vs 90).

Autofocus

Canon RF 100-500mm f/4.5-7.1L IS USM

Compared on the autofocus sub-score

Canon RF 100-500mm f/4.5-7.1L IS USM leads on af (92 vs 89).

Value for money

Sigma 14-24mm f/2.8 DG DN Art

Specdex score per dollar at MSRP

Sigma 14-24mm f/2.8 DG DN Art more score per dollar ($1,399 vs $2,699).

Canon RF 100-500mm f/4.5-7.1L IS USM 93
vs
90 Sigma 14-24mm f/2.8 DG DN Art

Score breakdown

Canon RF 100-500mm f/4.5-7.1L IS USM
93
sharpness 93
af 92
build 94
value 84
Sigma 14-24mm f/2.8 DG DN Art
90
sharpness 90
af 89
build 94
value 84

Specs side-by-side

Canon RF 100-500mm f/4.5-7.1L IS USM versus Sigma 14-24mm f/2.8 DG DN Art — full spec comparison
Spec Canon RF 100-500mm f/4.5-7.1L IS USM Sigma 14-24mm f/2.8 DG DN Art

Canon RF 100-500mm f/4.5-7.1L IS USM

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

Sigma 14-24mm f/2.8 DG DN Art

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

FAQ: Canon RF 100-500mm f/4.5-7.1L IS USM vs Sigma 14-24mm f/2.8 DG DN Art

Which is better, Canon RF 100-500mm f/4.5-7.1L IS USM or Sigma 14-24mm f/2.8 DG DN Art? +

Canon RF 100-500mm f/4.5-7.1L IS USM scores 93 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.

Is Canon RF 100-500mm f/4.5-7.1L IS USM worth the price? +

At $2,699, Canon RF 100-500mm f/4.5-7.1L IS USM delivers a Specdex score of 93 — strongest in build.

Is Sigma 14-24mm f/2.8 DG DN Art worth the price? +

At $1,399, Sigma 14-24mm f/2.8 DG DN Art delivers a Specdex score of 90 — strongest in build.

Does Canon RF 100-500mm f/4.5-7.1L IS USM or Sigma 14-24mm f/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 sharpness, Canon RF 100-500mm f/4.5-7.1L IS USM or Sigma 14-24mm f/2.8 DG DN Art? +

Canon RF 100-500mm f/4.5-7.1L IS USM — leads on sharpness (93 vs 90). Compared on the sharpness sub-score.

Which is better for autofocus, Canon RF 100-500mm f/4.5-7.1L IS USM or Sigma 14-24mm f/2.8 DG DN Art? +

Canon RF 100-500mm f/4.5-7.1L IS USM — leads on af (92 vs 89). Compared on the autofocus sub-score.