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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
Canon RF 50mm f/1.2L USM wins by 3
Canon RF 50mm f/1.2L USM — Prime/Zoom
Canon

Canon RF 50mm f/1.2L USM

Prime/Zoom

96
/ 100
From $2,299
Specdex verdict

Canon RF 50mm f/1.2L USM takes it — here’s why.

In our weighted Specdex score, Sigma 24-70mm f/2.8 DG DN II Art lands at 93 and Canon RF 50mm f/1.2L USM at 96. That puts Canon RF 50mm f/1.2L USM ahead by 3 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 Canon RF 50mm f/1.2L USM if…

  • ✓Fast autofocus
  • ✓Weather-sealed
  • ✓Premium optics
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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

Canon RF 50mm f/1.2L USM

Compared on the autofocus sub-score

Canon RF 50mm f/1.2L USM leads on af (95 vs 92).

Build

Canon RF 50mm f/1.2L USM

Compared on the build sub-score

Canon RF 50mm f/1.2L USM leads on build (94 vs 92).

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 $2,299).

Sigma 24-70mm f/2.8 DG DN II Art 93
vs
96 Canon RF 50mm f/1.2L USM

Score breakdown

Sigma 24-70mm f/2.8 DG DN II Art
93
sharpness 95
af 92
build 92
value 95
Canon RF 50mm f/1.2L USM
96
sharpness 96
af 95
build 94
value 84

Specs side-by-side

Sigma 24-70mm f/2.8 DG DN II Art versus Canon RF 50mm f/1.2L USM — full spec comparison
Spec Sigma 24-70mm f/2.8 DG DN II Art Canon RF 50mm f/1.2L USM
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

Canon RF 50mm f/1.2L USM

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

FAQ: Sigma 24-70mm f/2.8 DG DN II Art vs Canon RF 50mm f/1.2L USM

Which is better, Sigma 24-70mm f/2.8 DG DN II Art or Canon RF 50mm f/1.2L USM? +

Canon RF 50mm f/1.2L USM scores 96 on our weighted rubric — ahead by 3. 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 Canon RF 50mm f/1.2L USM worth the price? +

At $2,299, Canon RF 50mm f/1.2L USM delivers a Specdex score of 96 — strongest in sharpness.

Does Sigma 24-70mm f/2.8 DG DN II Art or Canon RF 50mm f/1.2L USM 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 Canon RF 50mm f/1.2L USM? +

Canon RF 50mm f/1.2L USM — leads on af (95 vs 92). Compared on the autofocus sub-score.

Which is better for build, Sigma 24-70mm f/2.8 DG DN II Art or Canon RF 50mm f/1.2L USM? +

Canon RF 50mm f/1.2L USM — leads on build (94 vs 92). Compared on the build sub-score.