Canon EF 14mm f/2.8L 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 f/2.8L 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 | 1991 | n/a |
| Blades | 5 | n/a |
| Format | full-frame | n/a |
| Groups | 10 | 10 |
| Af motor | USM | n/a |
| Elements | 14 | 14 |
| Weight g | 560.0 | n/a |
| Length mm | 89.0 | n/a |
| Diameter mm | 77.0 | n/a |
| Min focus m | 0.25 (closer focusing) | 0.28 |
| Max magnification | 0.1 | n/a |
Canon EF 14mm f/2.8L USM
Canon's 1991 ultra-wide rectilinear prime, with a bulbous front element and a built-in hood. The Mark II replaced it in 2007.
Pros
- Very wide rectilinear view
- L-series build
- Fast USM focusing
- Low distortion for the angle
Cons
- Front filters cannot be fitted
- Softer corners wide open
- Large front element is easy to scratch
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