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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 4
Tamron 17-28mm f/2.8 Di III RXD — Prime/Zoom
Tamron

Tamron 17-28mm f/2.8 Di III RXD

Prime/Zoom

86
/ 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 17-28mm f/2.8 Di III RXD at 86. That puts Sigma 24-70mm f/2.8 DG DN II Art ahead by 4 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 17-28mm f/2.8 Di III RXD if…

  • ✓Fast aperture
  • ✓Quiet autofocus
  • ✓Weather-sealed (most)
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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 (92 vs 86).

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).

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 84).

Value for money

Tamron 17-28mm f/2.8 Di III RXD

Specdex score per dollar at MSRP

Tamron 17-28mm f/2.8 Di III RXD more score per dollar ($899 vs $1,199).

Sigma 24-70mm f/2.8 DG DN II Art 90
vs
86 Tamron 17-28mm f/2.8 Di III RXD

Score breakdown

Sigma 24-70mm f/2.8 DG DN II Art
90
sharpness 92
af 90
build 90
value 96
Tamron 17-28mm f/2.8 Di III RXD
86
sharpness 86
af 84
build 88
value 85

Specs side-by-side

Sigma 24-70mm f/2.8 DG DN II Art versus Tamron 17-28mm f/2.8 Di III RXD — full spec comparison
Spec Sigma 24-70mm f/2.8 DG DN II Art Tamron 17-28mm f/2.8 Di III RXD
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 17-28mm f/2.8 Di III RXD

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

FAQ: Sigma 24-70mm f/2.8 DG DN II Art vs Tamron 17-28mm f/2.8 Di III RXD

Which is better, Sigma 24-70mm f/2.8 DG DN II Art or Tamron 17-28mm f/2.8 Di III RXD? +

Sigma 24-70mm f/2.8 DG DN II Art scores 90 on our weighted rubric — ahead by 4. 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 17-28mm f/2.8 Di III RXD worth the price? +

At $899, Tamron 17-28mm f/2.8 Di III RXD delivers a Specdex score of 86 — strongest in build.

Does Sigma 24-70mm f/2.8 DG DN II Art or Tamron 17-28mm f/2.8 Di III RXD 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 17-28mm f/2.8 Di III RXD? +

Sigma 24-70mm f/2.8 DG DN II Art — leads on sharpness (92 vs 86). Compared on the sharpness sub-score.

Which is better for build, Sigma 24-70mm f/2.8 DG DN II Art or Tamron 17-28mm f/2.8 Di III RXD? +

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