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Sony FE 50mm f/1.4 GM — GM Series · Compact · Aperture ring
Sony

Sony FE 50mm f/1.4 GM

GM Series · Compact · Aperture ring

96
/ 100
From $1,298
VS
Sony FE 50mm f/1.4 GM wins by 6
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
Specdex verdict

Sony FE 50mm f/1.4 GM takes it — here’s why.

In our weighted Specdex score, Sony FE 50mm f/1.4 GM lands at 96 and Sigma 24-70mm f/2.8 DG DN II Art at 90. That puts Sony FE 50mm f/1.4 GM ahead by 6 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Sony FE 50mm f/1.4 GM if…

  • ✓Best 50mm AF lens for Sony E-mount
  • ✓Compact for f/1.4 GM glass
  • ✓Click-able aperture ring

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
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Winner by scenario

Derived from the sub-score breakdown · not a separate test

Sharpness

Sony FE 50mm f/1.4 GM

Compared on the sharpness sub-score

Sony FE 50mm f/1.4 GM leads on sharpness (98 vs 92).

Autofocus

Sony FE 50mm f/1.4 GM

Compared on the autofocus sub-score

Sony FE 50mm f/1.4 GM leads on af (98 vs 90).

Build

Sony FE 50mm f/1.4 GM

Compared on the build sub-score

Sony FE 50mm f/1.4 GM leads on build (96 vs 90).

Value for money

Tie

Specdex score per dollar at MSRP

Effectively tied — similar score-per-dollar at MSRP.

Sony FE 50mm f/1.4 GM 96
vs
90 Sigma 24-70mm f/2.8 DG DN II Art

Score breakdown

Sony FE 50mm f/1.4 GM
96
sharpness 98
af 98
build 96
bokeh 96
value 84
Sigma 24-70mm f/2.8 DG DN II Art
90
sharpness 92
af 90
build 90
bokeh 0
value 96

Specs side-by-side

Sony FE 50mm f/1.4 GM versus Sigma 24-70mm f/2.8 DG DN II Art — full spec comparison
Spec Sony FE 50mm f/1.4 GM Sigma 24-70mm f/2.8 DG DN II Art
Mount
Sony E
Sony E, L-Mount
Focal length
50 mm
—
Aperture
▲ f/1.4 to f/16
f/2.8
Construction
14 elements / 11 groups
—
Min focus
0.41 m
—
Filter
67 mm
—
Weight
▲ 516 g
745 g

Sony FE 50mm f/1.4 GM

Pros
  • +Best 50mm AF lens for Sony E-mount
  • +Compact for f/1.4 GM glass
  • +Click-able aperture ring
Cons
  • −Premium pricing
  • −No image stabilization (relies on IBIS)
  • −No filter included

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

FAQ: Sony FE 50mm f/1.4 GM vs Sigma 24-70mm f/2.8 DG DN II Art

Which is better, Sony FE 50mm f/1.4 GM or Sigma 24-70mm f/2.8 DG DN II Art? +

Sony FE 50mm f/1.4 GM scores 96 on our weighted rubric — ahead by 6. Your best pick depends on the sub-scores above.

Is Sony FE 50mm f/1.4 GM worth the price? +

At $1,298, Sony FE 50mm f/1.4 GM delivers a Specdex score of 96 — strongest in sharpness.

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.

Does Sony FE 50mm f/1.4 GM or Sigma 24-70mm f/2.8 DG DN II 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 sharpness, Sony FE 50mm f/1.4 GM or Sigma 24-70mm f/2.8 DG DN II Art? +

Sony FE 50mm f/1.4 GM — leads on sharpness (98 vs 92). Compared on the sharpness sub-score.

Which is better for autofocus, Sony FE 50mm f/1.4 GM or Sigma 24-70mm f/2.8 DG DN II Art? +

Sony FE 50mm f/1.4 GM — leads on af (98 vs 90). Compared on the autofocus sub-score.