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Canon EF 16-35mm f/2.8L III USM — Prime/zoom
Canon

Canon EF 16-35mm f/2.8L III USM

Prime/zoom

90
/ 100
From $2,199
VS
Sigma 24-70mm f/2.8 DG DN II Art wins by 3
Sigma 24-70mm f/2.8 DG DN II Art — L/E mount · Constant f/2.8 · 745g
Sigma

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

L/E mount · Constant f/2.8 · 745g

93
/ 100
From $1,099
Specdex verdict

Sigma 24-70mm f/2.8 DG DN II Art takes it — here’s why.

In our weighted Specdex score, Canon EF 16-35mm f/2.8L III USM lands at 90 and Sigma 24-70mm f/2.8 DG DN II Art at 93. That puts Sigma 24-70mm f/2.8 DG DN II Art ahead by 3 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Canon EF 16-35mm f/2.8L III USM if…

  • ✓Proven optical formula
  • ✓Weather-sealing (L/GM/S)
  • ✓Strong resale

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

  • ✓Sharper than first-party Sony GM at 1/3 the price
  • ✓Aperture ring with click toggle
  • ✓Weather-sealed
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Winner by scenario

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

Sharpness

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

Compared on the sharpness sub-score

Sigma 24-70mm f/2.8 DG DN II Art leads on sharpness (95 vs 90).

Build

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

Compared on the build sub-score

Sigma 24-70mm f/2.8 DG DN II Art leads on build (92 vs 90).

Autofocus

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

Compared on the autofocus sub-score

Sigma 24-70mm f/2.8 DG DN II Art leads on af (92 vs 86).

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 ($1,099 vs $2,199).

Canon EF 16-35mm f/2.8L III USM 90
vs
93 Sigma 24-70mm f/2.8 DG DN II Art

Score breakdown

Canon EF 16-35mm f/2.8L III USM
90
sharpness 90
af 86
build 90
value 86
Sigma 24-70mm f/2.8 DG DN II Art
93
sharpness 95
af 92
build 92
value 95

Specs side-by-side

Canon EF 16-35mm f/2.8L III USM versus Sigma 24-70mm f/2.8 DG DN II Art — full spec comparison
Spec Canon EF 16-35mm f/2.8L III USM Sigma 24-70mm f/2.8 DG DN II Art
Mount
—
L-Mount + Sony E
Focal length
—
24-70 mm
Aperture
—
f/2.8
Construction
—
19 elements / 15 groups
Min focus
—
0.18 m
Filter
—
82 mm
Weight
—
745 g

Canon EF 16-35mm f/2.8L III USM

Pros
  • +Proven optical formula
  • +Weather-sealing (L/GM/S)
  • +Strong resale
Cons
  • −Mount-specific
  • −Older AF motor on some
  • −Heavier than modern counterparts

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

Pros
  • +Sharper than first-party Sony GM at 1/3 the price
  • +Aperture ring with click toggle
  • +Weather-sealed
Cons
  • −Heavier than Sony GM II
  • −Not stabilized — relies on body IBIS
  • −Hood plastic

FAQ: Canon EF 16-35mm f/2.8L III USM vs Sigma 24-70mm f/2.8 DG DN II Art

Which is better, Canon EF 16-35mm f/2.8L III USM or Sigma 24-70mm f/2.8 DG DN II Art? +

Sigma 24-70mm f/2.8 DG DN II Art scores 93 on our weighted rubric — ahead by 3. Your best pick depends on the sub-scores above.

Is Canon EF 16-35mm f/2.8L III USM worth the price? +

At $2,199, Canon EF 16-35mm f/2.8L III USM delivers a Specdex score of 90 — strongest in sharpness.

Is Sigma 24-70mm f/2.8 DG DN II Art worth the price? +

At $1,099, Sigma 24-70mm f/2.8 DG DN II Art delivers a Specdex score of 93 — strongest in sharpness.

Does Canon EF 16-35mm f/2.8L III 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 sharpness, Canon EF 16-35mm f/2.8L III USM or Sigma 24-70mm f/2.8 DG DN II Art? +

Sigma 24-70mm f/2.8 DG DN II Art — leads on sharpness (95 vs 90). Compared on the sharpness sub-score.

Which is better for build, Canon EF 16-35mm f/2.8L III USM or Sigma 24-70mm f/2.8 DG DN II Art? +

Sigma 24-70mm f/2.8 DG DN II Art — leads on build (92 vs 90). Compared on the build sub-score.