Canon RF 100-500mm f/4.5-7.1L IS USM
Prime/Zoom
Sony FE 24-70mm f/2.8 GM II
Prime/Zoom
Sony FE 24-70mm f/2.8 GM II takes it — here’s why.
In our weighted Specdex score, Canon RF 100-500mm f/4.5-7.1L IS USM lands at 93 and Sony FE 24-70mm f/2.8 GM II at 95. That puts Sony FE 24-70mm f/2.8 GM II ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Canon RF 100-500mm f/4.5-7.1L IS USM if…
- ✓Fast autofocus
- ✓Weather-sealed
- ✓Premium optics
Pick Sony FE 24-70mm f/2.8 GM II if…
- ✓Fast autofocus
- ✓Weather-sealed
- ✓Premium optics
Winner by scenario
Derived from the sub-score breakdown · not a separate testSharpness
Sony FE 24-70mm f/2.8 GM IICompared on the sharpness sub-score
Sony FE 24-70mm f/2.8 GM II leads on sharpness (95 vs 93).
Build
TieCompared on the build sub-score
Effectively tied — neither pulls a 2-point weighted lead.
Autofocus
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 (94 vs 92).
Value for money
Sony FE 24-70mm f/2.8 GM IISpecdex score per dollar at MSRP
Sony FE 24-70mm f/2.8 GM II more score per dollar ($2,298 vs $2,699).
Score breakdown
Specs side-by-side
| Spec | Canon RF 100-500mm f/4.5-7.1L IS USM | Sony FE 24-70mm f/2.8 GM II |
|---|
Canon RF 100-500mm f/4.5-7.1L IS USM
- +Fast autofocus
- +Weather-sealed
- +Premium optics
- −Heavy
- −Expensive
- −Focus breathing varies
Sony FE 24-70mm f/2.8 GM II
- +Fast autofocus
- +Weather-sealed
- +Premium optics
- −Heavy
- −Expensive
- −Focus breathing varies
FAQ: Canon RF 100-500mm f/4.5-7.1L IS USM vs Sony FE 24-70mm f/2.8 GM II
Which is better, Canon RF 100-500mm f/4.5-7.1L IS USM or Sony FE 24-70mm f/2.8 GM II? +
Sony FE 24-70mm f/2.8 GM II scores 95 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is Canon RF 100-500mm f/4.5-7.1L IS USM worth the price? +
At $2,699, Canon RF 100-500mm f/4.5-7.1L IS USM delivers a Specdex score of 93 — strongest in build.
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 sharpness.
Does Canon RF 100-500mm f/4.5-7.1L 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 sharpness, Canon RF 100-500mm f/4.5-7.1L IS USM or Sony FE 24-70mm f/2.8 GM II? +
Sony FE 24-70mm f/2.8 GM II — leads on sharpness (95 vs 93). Compared on the sharpness sub-score.
Which is better for autofocus, Canon RF 100-500mm f/4.5-7.1L IS USM or Sony FE 24-70mm f/2.8 GM II? +
Sony FE 24-70mm f/2.8 GM II — leads on af (94 vs 92). Compared on the autofocus sub-score.