Canon RF 24-70mm f/2.8 L IS USM
L-series zoom · 5-stop IS · Weather-sealed
Sony FE 24-70mm f/2.8 GM II
Standard zoom · 695 g · XD linear
Dead heat — it comes down to priorities.
In our weighted Specdex score, Canon RF 24-70mm f/2.8 L IS USM lands at 95 and Sony FE 24-70mm f/2.8 GM II at 95. With scores tied, the decision hinges on which sub-scores matter most to you.
Pick Canon RF 24-70mm f/2.8 L IS USM if…
- ✓Sharp corner-to-corner
- ✓5-stop in-lens stabilization
- ✓Weather-sealed L-series build
Pick Sony FE 24-70mm f/2.8 GM II if…
- ✓Much lighter than v1
- ✓Superb AF speed
- ✓Zero focus breathing
Winner by scenario
Derived from the sub-score breakdown · not a separate testAutofocus
Sony FE 24-70mm f/2.8 GM IICompared on the autofocus sub-score
Sony FE 24-70mm f/2.8 GM II leads on af (98 vs 96).
Sharpness
TieCompared on the sharpness sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Build
Canon RF 24-70mm f/2.8 L IS USMCompared on the build sub-score
Canon RF 24-70mm f/2.8 L IS USM leads on build (96 vs 94).
Value for money
TieSpecdex score per dollar at MSRP
Effectively tied — similar score-per-dollar at MSRP.
Score breakdown
Specs side-by-side
| Spec | Canon RF 24-70mm f/2.8 L IS USM | Sony FE 24-70mm f/2.8 GM II |
|---|---|---|
| Mount | Canon RF | Sony E |
| Focal length | 24-70 mm | — |
| Aperture | f/2.8 to f/22 | f/2.8 |
| Construction | 21 elements / 15 groups | — |
| Stabilization | 5 stops | — |
| Min focus | 0.21 m | — |
| Filter | 82 mm | — |
| Weight | 900 g | ▲ 695 g |
| Filter size | — | 82 mm |
Canon RF 24-70mm f/2.8 L IS USM
- +Sharp corner-to-corner
- +5-stop in-lens stabilization
- +Weather-sealed L-series build
- −Premium pricing
- −Heavier than DSLR predecessor
- −Variable rear element
Sony FE 24-70mm f/2.8 GM II
- +Much lighter than v1
- +Superb AF speed
- +Zero focus breathing
- −Still expensive
- −No IS (relies on body IBIS)
- −Hood rattle complaints
FAQ: Canon RF 24-70mm f/2.8 L IS USM vs Sony FE 24-70mm f/2.8 GM II
Which is better, Canon RF 24-70mm f/2.8 L IS USM or Sony FE 24-70mm f/2.8 GM II? +
Both score 95 on our weighted rubric — tied. Your best pick depends on the sub-scores above.
Is Canon RF 24-70mm f/2.8 L IS USM worth the price? +
At $2,299, Canon RF 24-70mm f/2.8 L IS USM delivers a Specdex score of 95 — strongest in sharpness.
Is Sony FE 24-70mm f/2.8 GM II worth the price? +
At $2,298, Sony FE 24-70mm f/2.8 GM II delivers a Specdex score of 95 — strongest in af.
Does Canon RF 24-70mm f/2.8 L IS USM or Sony FE 24-70mm 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 autofocus, Canon RF 24-70mm f/2.8 L IS USM or Sony FE 24-70mm f/2.8 GM II? +
Sony FE 24-70mm f/2.8 GM II — leads on af (98 vs 96). Compared on the autofocus sub-score.
Which is better for build, Canon RF 24-70mm f/2.8 L IS USM or Sony FE 24-70mm f/2.8 GM II? +
Canon RF 24-70mm f/2.8 L IS USM — leads on build (96 vs 94). Compared on the build sub-score.