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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
Tamron 28-75mm f/2.8 Di III VXD G2 wins by 1
Tamron 28-75mm f/2.8 Di III VXD G2 — Sony E · f/2.8 · 540g · $899
Tamron

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

Sony E · f/2.8 · 540g · $899

91
/ 100
From $899
Specdex verdict

Tamron 28-75mm f/2.8 Di III VXD G2 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 91. That puts Tamron 28-75mm f/2.8 Di III VXD G2 ahead by 1 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…

  • ✓540g — lightest f/2.8 24-70 alternative
  • ✓Better than first-party G Master at $899
  • ✓Quiet VXD AF motor
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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.

Autofocus

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

Compared on the autofocus sub-score

Tamron 28-75mm f/2.8 Di III VXD G2 leads on af (92 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 (90 vs 88).

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
91 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
91
sharpness 92
af 92
build 88
value 96

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
Sony E
Aperture
f/2.8
f/2.8
Weight
745 g
▲ 540 g
Focal length
—
28-75 mm
Construction
—
17 elements / 15 groups
Min focus
—
0.18 m
Filter
—
67 mm

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
  • +540g — lightest f/2.8 24-70 alternative
  • +Better than first-party G Master at $899
  • +Quiet VXD AF motor
Cons
  • −28mm wide-end vs 24mm of Sony GM
  • −No image stabilization
  • −No fluorine front coating

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? +

Tamron 28-75mm f/2.8 Di III VXD G2 scores 91 on our weighted rubric — ahead by 1. 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 91 — strongest in value.

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 autofocus, 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 af (92 vs 90). Compared on the autofocus sub-score.

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? +

Sigma 24-70mm f/2.8 DG DN II Art — leads on build (90 vs 88). Compared on the build sub-score.