Skip to content
Specdex
Compare now
Canon RF 28-70mm f/2L USM — Prime/Zoom
Canon

Canon RF 28-70mm f/2L USM

Prime/Zoom

96
/ 100
From $2,999
VS
Canon RF 28-70mm f/2L USM wins by 2
Sony FE 16-35mm f/2.8 GM II — Prime/Zoom
Sony

Sony FE 16-35mm f/2.8 GM II

Prime/Zoom

94
/ 100
From $2,298
Specdex verdict

Canon RF 28-70mm f/2L USM takes it — here’s why.

In our weighted Specdex score, Canon RF 28-70mm f/2L USM lands at 96 and Sony FE 16-35mm f/2.8 GM II at 94. That puts Canon RF 28-70mm f/2L USM ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.

Pick Canon RF 28-70mm f/2L USM if…

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

Pick Sony FE 16-35mm f/2.8 GM II if…

  • ✓Fast autofocus
  • ✓Weather-sealed
  • ✓Premium optics
Share this comparison: Share to Reddit X / Twitter

Winner by scenario

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

Sharpness

Canon RF 28-70mm f/2L USM

Compared on the sharpness sub-score

Canon RF 28-70mm f/2L USM leads on sharpness (96 vs 94).

Autofocus

Canon RF 28-70mm f/2L USM

Compared on the autofocus sub-score

Canon RF 28-70mm f/2L USM leads on af (95 vs 93).

Build

Tie

Compared on the build sub-score

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

Value for money

Sony FE 16-35mm f/2.8 GM II

Specdex score per dollar at MSRP

Sony FE 16-35mm f/2.8 GM II more score per dollar ($2,298 vs $2,999).

Canon RF 28-70mm f/2L USM 96
vs
94 Sony FE 16-35mm f/2.8 GM II

Score breakdown

Canon RF 28-70mm f/2L USM
96
sharpness 96
af 95
build 94
value 84
Sony FE 16-35mm f/2.8 GM II
94
sharpness 94
af 93
build 94
value 84

Specs side-by-side

Canon RF 28-70mm f/2L USM versus Sony FE 16-35mm f/2.8 GM II — full spec comparison
Spec Canon RF 28-70mm f/2L USM Sony FE 16-35mm f/2.8 GM II

Canon RF 28-70mm f/2L USM

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

Sony FE 16-35mm f/2.8 GM II

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

FAQ: Canon RF 28-70mm f/2L USM vs Sony FE 16-35mm f/2.8 GM II

Which is better, Canon RF 28-70mm f/2L USM or Sony FE 16-35mm f/2.8 GM II? +

Canon RF 28-70mm f/2L USM scores 96 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.

Is Canon RF 28-70mm f/2L USM worth the price? +

At $2,999, Canon RF 28-70mm f/2L USM delivers a Specdex score of 96 — strongest in sharpness.

Is Sony FE 16-35mm f/2.8 GM II worth the price? +

At $2,298, Sony FE 16-35mm f/2.8 GM II delivers a Specdex score of 94 — strongest in sharpness.

Does Canon RF 28-70mm f/2L USM or Sony FE 16-35mm f/2.8 GM II 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 28-70mm f/2L USM or Sony FE 16-35mm f/2.8 GM II? +

Canon RF 28-70mm f/2L USM — leads on sharpness (96 vs 94). Compared on the sharpness sub-score.

Which is better for autofocus, Canon RF 28-70mm f/2L USM or Sony FE 16-35mm f/2.8 GM II? +

Canon RF 28-70mm f/2L USM — leads on af (95 vs 93). Compared on the autofocus sub-score.