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Canon RF 15-35mm f/2.8L IS USM — Prime/Zoom
Canon

Canon RF 15-35mm f/2.8L IS USM

Prime/Zoom

93
/ 100
From $2,299
VS
Sony FE 50mm f/1.2 GM wins by 2
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 RF 15-35mm f/2.8L IS USM lands at 93 and Sony FE 50mm f/1.2 GM at 95. That puts Sony FE 50mm f/1.2 GM ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Canon RF 15-35mm f/2.8L IS USM if…

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

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 93).

Build

Tie

Compared on the build sub-score

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

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 92).

Value for money

Sony FE 50mm f/1.2 GM

Specdex score per dollar at MSRP

Sony FE 50mm f/1.2 GM more score per dollar ($1,998 vs $2,299).

Canon RF 15-35mm f/2.8L IS USM 93
vs
95 Sony FE 50mm f/1.2 GM

Score breakdown

Canon RF 15-35mm f/2.8L IS USM
93
sharpness 93
af 92
build 94
value 84
Sony FE 50mm f/1.2 GM
95
sharpness 95
af 94
build 94
value 84

Specs side-by-side

Canon RF 15-35mm f/2.8L IS USM versus Sony FE 50mm f/1.2 GM — full spec comparison
Spec Canon RF 15-35mm f/2.8L IS USM Sony FE 50mm f/1.2 GM

Canon RF 15-35mm f/2.8L IS USM

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

Sony FE 50mm f/1.2 GM

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

FAQ: Canon RF 15-35mm f/2.8L IS USM vs Sony FE 50mm f/1.2 GM

Which is better, Canon RF 15-35mm f/2.8L IS USM or Sony FE 50mm f/1.2 GM? +

Sony FE 50mm f/1.2 GM scores 95 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.

Is Canon RF 15-35mm f/2.8L IS USM worth the price? +

At $2,299, Canon RF 15-35mm f/2.8L IS USM delivers a Specdex score of 93 — strongest in build.

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 RF 15-35mm f/2.8L IS 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 RF 15-35mm f/2.8L IS USM or Sony FE 50mm f/1.2 GM? +

Sony FE 50mm f/1.2 GM — leads on sharpness (95 vs 93). Compared on the sharpness sub-score.

Which is better for autofocus, Canon RF 15-35mm f/2.8L IS USM or Sony FE 50mm f/1.2 GM? +

Sony FE 50mm f/1.2 GM — leads on af (94 vs 92). Compared on the autofocus sub-score.