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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
VS
Sigma 35-150mm f/2-2.8 DG DN Art wins by 5
Sigma 35-150mm f/2-2.8 DG DN Art — Prime/Zoom
Sigma

Sigma 35-150mm f/2-2.8 DG DN Art

Prime/Zoom

91
/ 100
From $1,499
Specdex verdict

Sigma 35-150mm f/2-2.8 DG DN Art takes it — here’s why.

In our weighted Specdex score, Tamron 17-28mm f/2.8 Di III RXD lands at 86 and Sigma 35-150mm f/2-2.8 DG DN Art at 91. That puts Sigma 35-150mm f/2-2.8 DG DN Art ahead by 5 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Tamron 17-28mm f/2.8 Di III RXD if…

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

Pick Sigma 35-150mm f/2-2.8 DG DN Art 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

Sigma 35-150mm f/2-2.8 DG DN Art

Compared on the build sub-score

Sigma 35-150mm f/2-2.8 DG DN Art leads on build (94 vs 88).

Sharpness

Sigma 35-150mm f/2-2.8 DG DN Art

Compared on the sharpness sub-score

Sigma 35-150mm f/2-2.8 DG DN Art leads on sharpness (91 vs 86).

Autofocus

Sigma 35-150mm f/2-2.8 DG DN Art

Compared on the autofocus sub-score

Sigma 35-150mm f/2-2.8 DG DN 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 $1,499).

Tamron 17-28mm f/2.8 Di III RXD 86
vs
91 Sigma 35-150mm f/2-2.8 DG DN Art

Score breakdown

Tamron 17-28mm f/2.8 Di III RXD
86
sharpness 86
af 84
build 88
value 85
Sigma 35-150mm f/2-2.8 DG DN Art
91
sharpness 91
af 90
build 94
value 84

Specs side-by-side

Tamron 17-28mm f/2.8 Di III RXD versus Sigma 35-150mm f/2-2.8 DG DN Art — full spec comparison
Spec Tamron 17-28mm f/2.8 Di III RXD Sigma 35-150mm f/2-2.8 DG DN Art

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

Sigma 35-150mm f/2-2.8 DG DN Art

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

FAQ: Tamron 17-28mm f/2.8 Di III RXD vs Sigma 35-150mm f/2-2.8 DG DN Art

Which is better, Tamron 17-28mm f/2.8 Di III RXD or Sigma 35-150mm f/2-2.8 DG DN Art? +

Sigma 35-150mm f/2-2.8 DG DN Art scores 91 on our weighted rubric — ahead by 5. Your best pick depends on the sub-scores above.

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.

Is Sigma 35-150mm f/2-2.8 DG DN Art worth the price? +

At $1,499, Sigma 35-150mm f/2-2.8 DG DN Art delivers a Specdex score of 91 — strongest in build.

Does Tamron 17-28mm f/2.8 Di III RXD or Sigma 35-150mm f/2-2.8 DG DN 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 build, Tamron 17-28mm f/2.8 Di III RXD or Sigma 35-150mm f/2-2.8 DG DN Art? +

Sigma 35-150mm f/2-2.8 DG DN Art — leads on build (94 vs 88). Compared on the build sub-score.

Which is better for sharpness, Tamron 17-28mm f/2.8 Di III RXD or Sigma 35-150mm f/2-2.8 DG DN Art? +

Sigma 35-150mm f/2-2.8 DG DN Art — leads on sharpness (91 vs 86). Compared on the sharpness sub-score.