Rokinon
Rokinon 14mm f/2.8 IF ED UMC
Prime/zoom
80
/ 100
From $399
VS
Canon RF 800mm f/11 IS STM wins by 2
Canon
Canon RF 800mm f/11 IS STM
Prime/Zoom
82
/ 100
From $899
Specdex verdict
Canon RF 800mm f/11 IS STM takes it — here’s why.
In our weighted Specdex score, Rokinon 14mm f/2.8 IF ED UMC lands at 80 and Canon RF 800mm f/11 IS STM at 82. That puts Canon RF 800mm f/11 IS STM ahead by 2 points — a narrow margin driven mostly by its strengths in the categories below.
Pick Rokinon 14mm f/2.8 IF ED UMC if…
- ✓Proven optical formula
- ✓Weather-sealing (L/GM/S)
- ✓Strong resale
Pick Canon RF 800mm f/11 IS STM if…
- ✓Fast aperture
- ✓Quiet autofocus
- ✓Weather-sealed (most)
Rokinon 14mm f/2.8 IF ED UMC 80
vs 82 Canon RF 800mm f/11 IS STM
Score breakdown
Rokinon 14mm f/2.8 IF ED UMC
80 sharpness 80
af 76
build 90
value 86
Canon RF 800mm f/11 IS STM
82 sharpness 82
af 80
build 88
value 85
Specs side-by-side
| Spec | Rokinon 14mm f/2.8 IF ED UMC | Canon RF 800mm f/11 IS STM |
|---|
Rokinon 14mm f/2.8 IF ED UMC
Pros
- +Proven optical formula
- +Weather-sealing (L/GM/S)
- +Strong resale
Cons
- −Mount-specific
- −Older AF motor on some
- −Heavier than modern counterparts
Canon RF 800mm f/11 IS STM
Pros
- +Fast aperture
- +Quiet autofocus
- +Weather-sealed (most)
Cons
- −Mount-specific
- −Weight varies
- −Price scales with quality
FAQ: Rokinon 14mm f/2.8 IF ED UMC vs Canon RF 800mm f/11 IS STM
Which is better, Rokinon 14mm f/2.8 IF ED UMC or Canon RF 800mm f/11 IS STM? +
Canon RF 800mm f/11 IS STM scores 82 on our weighted rubric — ahead by 2. Your best pick depends on the sub-scores above.
Is Rokinon 14mm f/2.8 IF ED UMC worth the price? +
At $399, Rokinon 14mm f/2.8 IF ED UMC delivers a Specdex score of 80 — strongest in build.
Is Canon RF 800mm f/11 IS STM worth the price? +
At $899, Canon RF 800mm f/11 IS STM delivers a Specdex score of 82 — strongest in build.
Does Rokinon 14mm f/2.8 IF ED UMC or Canon RF 800mm f/11 IS STM 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.