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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
VS
Sigma 24-70mm f/2.8 DG DN II Art wins by 6
Tamron 50-400mm f/4.5-6.3 Di III VC VXD — Prime/zoom
Tamron

Tamron 50-400mm f/4.5-6.3 Di III VC VXD

Prime/zoom

87
/ 100
From $1,299
Specdex verdict

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

In our weighted Specdex score, Sigma 24-70mm f/2.8 DG DN II Art lands at 93 and Tamron 50-400mm f/4.5-6.3 Di III VC VXD at 87. That puts Sigma 24-70mm f/2.8 DG DN II Art ahead by 6 points — a decisive margin driven mostly by its strengths in the categories below.

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

Pick Tamron 50-400mm f/4.5-6.3 Di III VC VXD if…

  • ✓Proven optical formula
  • ✓Weather-sealing (L/GM/S)
  • ✓Strong resale
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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 87).

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 83).

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 $1,299).

Sigma 24-70mm f/2.8 DG DN II Art 93
vs
87 Tamron 50-400mm f/4.5-6.3 Di III VC VXD

Score breakdown

Sigma 24-70mm f/2.8 DG DN II Art
93
sharpness 95
af 92
build 92
value 95
Tamron 50-400mm f/4.5-6.3 Di III VC VXD
87
sharpness 87
af 83
build 90
value 86

Specs side-by-side

Sigma 24-70mm f/2.8 DG DN II Art versus Tamron 50-400mm f/4.5-6.3 Di III VC VXD — full spec comparison
Spec Sigma 24-70mm f/2.8 DG DN II Art Tamron 50-400mm f/4.5-6.3 Di III VC VXD
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
—

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

Tamron 50-400mm f/4.5-6.3 Di III VC VXD

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

FAQ: Sigma 24-70mm f/2.8 DG DN II Art vs Tamron 50-400mm f/4.5-6.3 Di III VC VXD

Which is better, Sigma 24-70mm f/2.8 DG DN II Art or Tamron 50-400mm f/4.5-6.3 Di III VC VXD? +

Sigma 24-70mm f/2.8 DG DN II Art scores 93 on our weighted rubric — ahead by 6. Your best pick depends on the sub-scores above.

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.

Is Tamron 50-400mm f/4.5-6.3 Di III VC VXD worth the price? +

At $1,299, Tamron 50-400mm f/4.5-6.3 Di III VC VXD delivers a Specdex score of 87 — strongest in build.

Does Sigma 24-70mm f/2.8 DG DN II Art or Tamron 50-400mm f/4.5-6.3 Di III VC VXD 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, Sigma 24-70mm f/2.8 DG DN II Art or Tamron 50-400mm f/4.5-6.3 Di III VC VXD? +

Sigma 24-70mm f/2.8 DG DN II Art — leads on sharpness (95 vs 87). Compared on the sharpness sub-score.

Which is better for build, Sigma 24-70mm f/2.8 DG DN II Art or Tamron 50-400mm f/4.5-6.3 Di III VC VXD? +

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