Skip to content
Specdex
Compare now
Rokinon 14mm f/2.8 IF ED UMC — Prime/zoom
Rokinon

Rokinon 14mm f/2.8 IF ED UMC

Prime/zoom

80
/ 100
From $399
VS
Sigma 24-70mm f/2.8 DG DN II Art wins by 10
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

Sigma 24-70mm f/2.8 DG DN II Art takes it — here’s why.

In our weighted Specdex score, Rokinon 14mm f/2.8 IF ED UMC lands at 80 and Sigma 24-70mm f/2.8 DG DN II Art at 90. That puts Sigma 24-70mm f/2.8 DG DN II Art ahead by 10 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Rokinon 14mm f/2.8 IF ED UMC if…

  • ✓Proven optical formula
  • ✓Weather-sealing (L/GM/S)
  • ✓Strong resale

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
Share this comparison: Share to Reddit X / Twitter

Winner by scenario

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

Build

Tie

Compared on the build sub-score

Effectively tied — neither pulls a 2-point weighted lead.

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 80).

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 76).

Value for money

Rokinon 14mm f/2.8 IF ED UMC

Specdex score per dollar at MSRP

Rokinon 14mm f/2.8 IF ED UMC more score per dollar ($399 vs $1,199).

Rokinon 14mm f/2.8 IF ED UMC 80
vs
90 Sigma 24-70mm f/2.8 DG DN II Art

Score breakdown

Rokinon 14mm f/2.8 IF ED UMC
80
sharpness 80
af 76
build 90
value 86
Sigma 24-70mm f/2.8 DG DN II Art
90
sharpness 92
af 90
build 90
value 96

Specs side-by-side

Rokinon 14mm f/2.8 IF ED UMC versus Sigma 24-70mm f/2.8 DG DN II Art — full spec comparison
Spec Rokinon 14mm f/2.8 IF ED UMC Sigma 24-70mm f/2.8 DG DN II Art
Mount
—
Sony E, L-Mount
Aperture
—
f/2.8
Weight
—
745 g

Rokinon 14mm f/2.8 IF ED UMC

Pros
  • +Proven optical formula
  • +Weather-sealing (L/GM/S)
  • +Strong resale
Cons
  • −Mount-specific
  • −Older AF motor on some
  • −Heavier than modern counterparts

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: Rokinon 14mm f/2.8 IF ED UMC vs Sigma 24-70mm f/2.8 DG DN II Art

Which is better, Rokinon 14mm f/2.8 IF ED UMC or Sigma 24-70mm f/2.8 DG DN II Art? +

Sigma 24-70mm f/2.8 DG DN II Art scores 90 on our weighted rubric — ahead by 10. Your best pick depends on the sub-scores above.

Is Rokinon 14mm f/2.8 IF ED UMC worth the price? +

At $399, Rokinon 14mm f/2.8 IF ED UMC delivers a Specdex score of 80 — strongest in build.

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 Rokinon 14mm f/2.8 IF ED UMC 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, Rokinon 14mm f/2.8 IF ED UMC or Sigma 24-70mm f/2.8 DG DN II Art? +

Sigma 24-70mm f/2.8 DG DN II Art — leads on sharpness (92 vs 80). Compared on the sharpness sub-score.

Which is better for autofocus, Rokinon 14mm f/2.8 IF ED UMC or Sigma 24-70mm f/2.8 DG DN II Art? +

Sigma 24-70mm f/2.8 DG DN II Art — leads on af (90 vs 76). Compared on the autofocus sub-score.