Canon EF 14mm F2.8L II USM vs Rokinon 14mm f/2.8 ED AS IF UMC
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Rokinon
14mm f/2.8 ED AS IF UMC
| Spec | EF 14mm F2.8L II USM | 14mm f/2.8 ED AS IF UMC |
|---|---|---|
| Brand | Canon | Rokinon |
| Mount | Canon EF | Canon EF |
| Type | Prime | Prime |
| Focal length | 14mm | 14mm |
| Max aperture | f/2.8 | f/2.8 |
| Released | 2007 | n/a |
| Blades | 6 | n/a |
| Format | full-frame | n/a |
| Groups | 11 | 10 |
| Af motor | USM | n/a |
| Elements | 14 | 14 |
| Weight g | 645.0 | n/a |
| Length mm | 94.0 | n/a |
| Diameter mm | 80.0 | n/a |
| Min focus m | 0.15 (closer focusing) | 0.28 |
| Max magnification | 0.1 | n/a |
Canon EF 14mm F2.8L II USM
A fast ultra-wide rectilinear prime for full frame with a bulbous front element and a weather-sealed L build.
Pros
- f/2.8 maximum aperture
- Rectilinear, not a fisheye
- Weather-sealed
- Good corner sharpness for its class
Cons
- No front filter thread
- Heavy and bulbous
- Coma in corners at f/2.8
Rokinon 14mm f/2.8 ED AS IF UMC
The Rokinon-branded version of the Samyang 14mm f/2.8, sold in North America. It is a manual-focus ultra-wide popular with astro shooters.
Pros
- f/2.8 for night skies
- Sharp in the center
- Wide 14mm view
Cons
- Manual focus
- Distortion needs correction