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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
VS
Sigma 24-70mm f/2.8 DG DN II Art wins by 2
Tamron 28-75mm f/2.8 Di III VXD G2 — Prime/Zoom
Tamron

Tamron 28-75mm f/2.8 Di III VXD G2

Prime/Zoom

88
/ 100
From $899
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 90 and Tamron 28-75mm f/2.8 Di III VXD G2 at 88. That puts Sigma 24-70mm f/2.8 DG DN II Art ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.

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

Pick Tamron 28-75mm f/2.8 Di III VXD G2 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

Tamron 28-75mm f/2.8 Di III VXD G2

Compared on the build sub-score

Tamron 28-75mm f/2.8 Di III VXD G2 leads on build (94 vs 90).

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 (92 vs 88).

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 (90 vs 87).

Value for money

Tamron 28-75mm f/2.8 Di III VXD G2

Specdex score per dollar at MSRP

Tamron 28-75mm f/2.8 Di III VXD G2 more score per dollar ($899 vs $1,199).

Sigma 24-70mm f/2.8 DG DN II Art 90
vs
88 Tamron 28-75mm f/2.8 Di III VXD G2

Score breakdown

Sigma 24-70mm f/2.8 DG DN II Art
90
sharpness 92
af 90
build 90
value 96
Tamron 28-75mm f/2.8 Di III VXD G2
88
sharpness 88
af 87
build 94
value 84

Specs side-by-side

Sigma 24-70mm f/2.8 DG DN II Art versus Tamron 28-75mm f/2.8 Di III VXD G2 — full spec comparison
Spec Sigma 24-70mm f/2.8 DG DN II Art Tamron 28-75mm f/2.8 Di III VXD G2
Mount
Sony E, L-Mount
—
Aperture
f/2.8
—
Weight
745 g
—

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

Tamron 28-75mm f/2.8 Di III VXD G2

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

FAQ: Sigma 24-70mm f/2.8 DG DN II Art vs Tamron 28-75mm f/2.8 Di III VXD G2

Which is better, Sigma 24-70mm f/2.8 DG DN II Art or Tamron 28-75mm f/2.8 Di III VXD G2? +

Sigma 24-70mm f/2.8 DG DN II Art scores 90 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.

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

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

Is Tamron 28-75mm f/2.8 Di III VXD G2 worth the price? +

At $899, Tamron 28-75mm f/2.8 Di III VXD G2 delivers a Specdex score of 88 — strongest in build.

Does Sigma 24-70mm f/2.8 DG DN II Art or Tamron 28-75mm f/2.8 Di III VXD G2 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, Sigma 24-70mm f/2.8 DG DN II Art or Tamron 28-75mm f/2.8 Di III VXD G2? +

Tamron 28-75mm f/2.8 Di III VXD G2 — leads on build (94 vs 90). Compared on the build sub-score.

Which is better for sharpness, Sigma 24-70mm f/2.8 DG DN II Art or Tamron 28-75mm f/2.8 Di III VXD G2? +

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