Canon
Canon RF 15-35mm f/2.8L IS USM
Prime/Zoom
93
/ 100
From $2,299
VS
Sony FE 135mm f/1.8 GM wins by 2
Sony
Sony FE 135mm f/1.8 GM
Prime/Zoom
95
/ 100
From $2,098
Specdex verdict
Sony FE 135mm f/1.8 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 135mm f/1.8 GM at 95. That puts Sony FE 135mm f/1.8 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 135mm f/1.8 GM if…
- ✓Fast autofocus
- ✓Weather-sealed
- ✓Premium optics
Canon RF 15-35mm f/2.8L IS USM 93
vs 95 Sony FE 135mm f/1.8 GM
Score breakdown
Canon RF 15-35mm f/2.8L IS USM
93 sharpness 93
af 92
build 94
value 84
Sony FE 135mm f/1.8 GM
95 sharpness 95
af 94
build 94
value 84
Specs side-by-side
| Spec | Canon RF 15-35mm f/2.8L IS USM | Sony FE 135mm f/1.8 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 135mm f/1.8 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 135mm f/1.8 GM
Which is better, Canon RF 15-35mm f/2.8L IS USM or Sony FE 135mm f/1.8 GM? +
Sony FE 135mm f/1.8 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 135mm f/1.8 GM worth the price? +
At $2,098, Sony FE 135mm f/1.8 GM delivers a Specdex score of 95 — strongest in sharpness.
Does Canon RF 15-35mm f/2.8L IS USM or Sony FE 135mm f/1.8 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.