Skip to content
Specdex
Compare now
Canon EF 70-200mm f/2.8L IS III USM — Prime/zoom
Canon

Canon EF 70-200mm f/2.8L IS III USM

Prime/zoom

92
/ 100
From $2,099
VS
Sony FE 50mm f/1.4 GM wins by 4
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, Canon EF 70-200mm f/2.8L IS III USM lands at 92 and Sony FE 50mm f/1.4 GM at 96. That puts Sony FE 50mm f/1.4 GM ahead by 4 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Canon EF 70-200mm f/2.8L IS III USM 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
Canon EF 70-200mm f/2.8L IS III USM 92
vs
96 Sony FE 50mm f/1.4 GM

Score breakdown

Canon EF 70-200mm f/2.8L IS III USM
92
sharpness 92
af 88
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

Canon EF 70-200mm f/2.8L IS III USM versus Sony FE 50mm f/1.4 GM — full spec comparison
Spec Canon EF 70-200mm f/2.8L IS III USM 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

Canon EF 70-200mm f/2.8L IS III USM

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: Canon EF 70-200mm f/2.8L IS III USM vs Sony FE 50mm f/1.4 GM

Which is better, Canon EF 70-200mm f/2.8L IS III USM or Sony FE 50mm f/1.4 GM? +

Sony FE 50mm f/1.4 GM scores 96 on our weighted rubric — ahead by 4. Your best pick depends on the sub-scores above.

Is Canon EF 70-200mm f/2.8L IS III USM worth the price? +

At $2,099, Canon EF 70-200mm f/2.8L IS III USM delivers a Specdex score of 92 — strongest in sharpness.

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 Canon EF 70-200mm f/2.8L IS III USM 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.