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Viltrox AF 13mm f/1.4 STM — Prime/zoom
Viltrox

Viltrox AF 13mm f/1.4 STM

Prime/zoom

84
/ 100
From $449
VS
Sony FE 50mm f/1.4 GM wins by 12
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
Specdex verdict

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

In our weighted Specdex score, Viltrox AF 13mm f/1.4 STM lands at 84 and Sony FE 50mm f/1.4 GM at 96. That puts Sony FE 50mm f/1.4 GM ahead by 12 points — a decisive margin driven mostly by its strengths in the categories below.

Pick Viltrox AF 13mm f/1.4 STM if…

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

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
Viltrox AF 13mm f/1.4 STM 84
vs
96 Sony FE 50mm f/1.4 GM

Score breakdown

Viltrox AF 13mm f/1.4 STM
84
sharpness 84
af 80
build 90
value 86
bokeh 0
Sony FE 50mm f/1.4 GM
96
sharpness 98
af 98
build 96
value 84
bokeh 96

Specs side-by-side

Viltrox AF 13mm f/1.4 STM versus Sony FE 50mm f/1.4 GM — full spec comparison
Spec Viltrox AF 13mm f/1.4 STM Sony FE 50mm f/1.4 GM
Mount
Sony E
Focal length
50 mm
Aperture
f/1.4 to f/16
Construction
14 elements / 11 groups
Min focus
0.41 m
Filter
67 mm
Weight
516 g

Viltrox AF 13mm f/1.4 STM

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

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

FAQ: Viltrox AF 13mm f/1.4 STM vs Sony FE 50mm f/1.4 GM

Which is better, Viltrox AF 13mm f/1.4 STM or Sony FE 50mm f/1.4 GM? +

Sony FE 50mm f/1.4 GM scores 96 on our weighted rubric — ahead by 12. Your best pick depends on the sub-scores above.

Is Viltrox AF 13mm f/1.4 STM worth the price? +

At $449, Viltrox AF 13mm f/1.4 STM delivers a Specdex score of 84 — strongest in build.

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.

Does Viltrox AF 13mm f/1.4 STM or Sony FE 50mm f/1.4 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.