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Tamron 70-180mm f/2.8 Di III VC VXD G2 — Prime/Zoom
Tamron

Tamron 70-180mm f/2.8 Di III VC VXD G2

Prime/Zoom

90
/ 100
From $1,299
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, Tamron 70-180mm f/2.8 Di III VC VXD G2 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 Tamron 70-180mm f/2.8 Di III VC VXD G2 if…

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

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).

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 88).

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 88).

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).

Tamron 70-180mm f/2.8 Di III VC VXD G2 90
vs
93 Sigma 24-70mm f/2.8 DG DN II Art

Score breakdown

Tamron 70-180mm f/2.8 Di III VC VXD G2
90
sharpness 90
af 88
build 88
value 85
Sigma 24-70mm f/2.8 DG DN II Art
93
sharpness 95
af 92
build 92
value 95

Specs side-by-side

Tamron 70-180mm f/2.8 Di III VC VXD G2 versus Sigma 24-70mm f/2.8 DG DN II Art — full spec comparison
Spec Tamron 70-180mm f/2.8 Di III VC VXD G2 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

Tamron 70-180mm f/2.8 Di III VC VXD G2

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

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: Tamron 70-180mm f/2.8 Di III VC VXD G2 vs Sigma 24-70mm f/2.8 DG DN II Art

Which is better, Tamron 70-180mm f/2.8 Di III VC VXD G2 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 Tamron 70-180mm f/2.8 Di III VC VXD G2 worth the price? +

At $1,299, Tamron 70-180mm f/2.8 Di III VC VXD G2 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 Tamron 70-180mm f/2.8 Di III VC VXD G2 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, Tamron 70-180mm f/2.8 Di III VC VXD G2 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 autofocus, Tamron 70-180mm f/2.8 Di III VC VXD G2 or Sigma 24-70mm f/2.8 DG DN II Art? +

Sigma 24-70mm f/2.8 DG DN II Art — leads on af (92 vs 88). Compared on the autofocus sub-score.