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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
VS
Sigma 24-70mm f/2.8 DG DN II Art wins by 1
Sony FE 100mm f/2.8 STF GM — Prime/Zoom
Sony

Sony FE 100mm f/2.8 STF GM

Prime/Zoom

92
/ 100
From $1,498
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 93 and Sony FE 100mm f/2.8 STF GM at 92. That puts Sigma 24-70mm f/2.8 DG DN II Art 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…

  • ✓Sharper than first-party Sony GM at 1/3 the price
  • ✓Aperture ring with click toggle
  • ✓Weather-sealed

Pick Sony FE 100mm f/2.8 STF GM 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 (95 vs 92).

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 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 (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 $1,498).

Sigma 24-70mm f/2.8 DG DN II Art 93
vs
92 Sony FE 100mm f/2.8 STF GM

Score breakdown

Sigma 24-70mm f/2.8 DG DN II Art
93
sharpness 95
af 92
build 92
value 95
Sony FE 100mm f/2.8 STF GM
92
sharpness 92
af 90
build 88
value 85

Specs side-by-side

Sigma 24-70mm f/2.8 DG DN II Art versus Sony FE 100mm f/2.8 STF GM — full spec comparison
Spec Sigma 24-70mm f/2.8 DG DN II Art Sony FE 100mm f/2.8 STF GM
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
—

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

Sony FE 100mm f/2.8 STF GM

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 Sony FE 100mm f/2.8 STF GM

Which is better, Sigma 24-70mm f/2.8 DG DN II Art or Sony FE 100mm f/2.8 STF GM? +

Sigma 24-70mm f/2.8 DG DN II Art scores 93 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 $1,099, Sigma 24-70mm f/2.8 DG DN II Art delivers a Specdex score of 93 — strongest in sharpness.

Is Sony FE 100mm f/2.8 STF GM worth the price? +

At $1,498, Sony FE 100mm f/2.8 STF GM delivers a Specdex score of 92 — strongest in sharpness.

Does Sigma 24-70mm f/2.8 DG DN II Art or Sony FE 100mm f/2.8 STF GM 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 Sony FE 100mm f/2.8 STF GM? +

Sigma 24-70mm f/2.8 DG DN II Art — leads on sharpness (95 vs 92). Compared on the sharpness sub-score.

Which is better for autofocus, Sigma 24-70mm f/2.8 DG DN II Art or Sony FE 100mm f/2.8 STF GM? +

Sigma 24-70mm f/2.8 DG DN II Art — leads on af (92 vs 90). Compared on the autofocus sub-score.