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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/1.2 GM wins by 3
Sony FE 50mm f/1.2 GM — Prime/Zoom
Sony

Sony FE 50mm f/1.2 GM

Prime/Zoom

95
/ 100
From $1,998
Specdex verdict

Sony FE 50mm f/1.2 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/1.2 GM at 95. That puts Sony FE 50mm f/1.2 GM ahead by 3 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/1.2 GM 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

Sony FE 50mm f/1.2 GM

Compared on the sharpness sub-score

Sony FE 50mm f/1.2 GM leads on sharpness (95 vs 92).

Build

Sony FE 50mm f/1.2 GM

Compared on the build sub-score

Sony FE 50mm f/1.2 GM leads on build (94 vs 90).

Autofocus

Sony FE 50mm f/1.2 GM

Compared on the autofocus sub-score

Sony FE 50mm f/1.2 GM leads on af (94 vs 88).

Value for money

Tie

Specdex score per dollar at MSRP

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

Canon EF 70-200mm f/2.8L IS III USM 92
vs
95 Sony FE 50mm f/1.2 GM

Score breakdown

Canon EF 70-200mm f/2.8L IS III USM
92
sharpness 92
af 88
build 90
value 86
Sony FE 50mm f/1.2 GM
95
sharpness 95
af 94
build 94
value 84

Specs side-by-side

Canon EF 70-200mm f/2.8L IS III USM versus Sony FE 50mm f/1.2 GM — full spec comparison
Spec Canon EF 70-200mm f/2.8L IS III USM Sony FE 50mm f/1.2 GM

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/1.2 GM

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

FAQ: Canon EF 70-200mm f/2.8L IS III USM vs Sony FE 50mm f/1.2 GM

Which is better, Canon EF 70-200mm f/2.8L IS III USM or Sony FE 50mm f/1.2 GM? +

Sony FE 50mm f/1.2 GM scores 95 on our weighted rubric — ahead by 3. 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/1.2 GM worth the price? +

At $1,998, Sony FE 50mm f/1.2 GM delivers a Specdex score of 95 — strongest in sharpness.

Does Canon EF 70-200mm f/2.8L IS III USM or Sony FE 50mm f/1.2 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.

Which is better for sharpness, Canon EF 70-200mm f/2.8L IS III USM or Sony FE 50mm f/1.2 GM? +

Sony FE 50mm f/1.2 GM — leads on sharpness (95 vs 92). Compared on the sharpness sub-score.

Which is better for build, Canon EF 70-200mm f/2.8L IS III USM or Sony FE 50mm f/1.2 GM? +

Sony FE 50mm f/1.2 GM — leads on build (94 vs 90). Compared on the build sub-score.