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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 24-70mm f/2.8 DG DN II Art — Mirrorless standard zoom · 745 g
Sigma

Sigma 24-70mm f/2.8 DG DN II Art

Mirrorless standard zoom · 745 g

90
/ 100
From $1,199
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 24-70mm f/2.8 DG DN II 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 24-70mm f/2.8 DG DN II Art if…

  • ✓Great optics for half the price of GM
  • ✓Dual HLA motors
  • ✓Solid sealing
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Winner by scenario

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

Sharpness

Tie

Compared on the sharpness sub-score

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

Build

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

Compared on the build sub-score

Canon RF 100-500mm f/4.5-7.1L IS USM leads on build (94 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 90).

Value for money

Sigma 24-70mm f/2.8 DG DN II Art

Specdex score per dollar at MSRP

Sigma 24-70mm f/2.8 DG DN II Art more score per dollar ($1,199 vs $2,699).

Canon RF 100-500mm f/4.5-7.1L IS USM 93
vs
90 Sigma 24-70mm f/2.8 DG DN II Art

Score breakdown

Canon RF 100-500mm f/4.5-7.1L IS USM
93
sharpness 93
af 92
build 94
value 84
Sigma 24-70mm f/2.8 DG DN II Art
90
sharpness 92
af 90
build 90
value 96

Specs side-by-side

Canon RF 100-500mm f/4.5-7.1L IS USM versus Sigma 24-70mm f/2.8 DG DN II Art — full spec comparison
Spec Canon RF 100-500mm f/4.5-7.1L IS USM Sigma 24-70mm f/2.8 DG DN II Art
Mount
—
Sony E, L-Mount
Aperture
—
f/2.8
Weight
—
745 g

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 24-70mm f/2.8 DG DN II Art

Pros
  • +Great optics for half the price of GM
  • +Dual HLA motors
  • +Solid sealing
Cons
  • −Slightly slower AF than GM II
  • −Heavier than GM II
  • −Focus breathing present

FAQ: Canon RF 100-500mm f/4.5-7.1L IS USM vs Sigma 24-70mm f/2.8 DG DN II Art

Which is better, Canon RF 100-500mm f/4.5-7.1L IS USM or Sigma 24-70mm f/2.8 DG DN II 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 24-70mm f/2.8 DG DN II Art worth the price? +

At $1,199, Sigma 24-70mm f/2.8 DG DN II Art delivers a Specdex score of 90 — strongest in value.

Does Canon RF 100-500mm f/4.5-7.1L IS USM or Sigma 24-70mm f/2.8 DG DN II 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 100-500mm f/4.5-7.1L IS USM or Sigma 24-70mm f/2.8 DG DN II Art? +

Canon RF 100-500mm f/4.5-7.1L IS USM — leads on build (94 vs 90). Compared on the build sub-score.

Which is better for autofocus, Canon RF 100-500mm f/4.5-7.1L IS USM or Sigma 24-70mm f/2.8 DG DN II Art? +

Canon RF 100-500mm f/4.5-7.1L IS USM — leads on af (92 vs 90). Compared on the autofocus sub-score.