Canon EF 50mm f/1.8 STM vs Yongnuo YN50mm f/1.4
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Yongnuo YN50mm f/1.4 is faster by 0.7 stops (f/1.4 vs f/1.8), letting in more light.
| Spec | EF 50mm f/1.8 STM | YN50mm f/1.4 |
|---|---|---|
| Brand | Canon | Yongnuo |
| Mount | Canon EF | Canon EF |
| Type | Prime | Prime |
| Focal length | 50mm | 50mm |
| Max aperture | f/1.8 | f/1.4 (faster) |
| Released | 2015 | n/a |
| Blades | 7 | n/a |
| Format | full-frame | n/a |
| Groups | 5 | n/a |
| Af motor | STM | n/a |
| Elements | 6 | n/a |
| Weight g | 160.0 | n/a |
| Filter mm | 49 | n/a |
| Length mm | 39.3 | n/a |
| Diameter mm | 69.2 | n/a |
| Min focus m | 0.35 | n/a |
| Max magnification | 0.21 | n/a |
Canon EF 50mm f/1.8 STM
Compact 50mm f/1.8 prime with an STM stepping motor and a metal mount, replacing the older f/1.8 II. Covers full frame and works on APS-C EOS bodies.
Pros
- Fast f/1.8 aperture
- Light and small
- Quiet STM focusing
- Metal lens mount
Cons
- No image stabilization
- Corners soften at f/1.8
- Focus ring is electronic rather than mechanically coupled
Yongnuo YN50mm f/1.4
Yongnuo YN50mm f/1.4: a fast standard prime lens with a 50mm focal length and a maximum aperture of f/1.4, made for Canon EF mount cameras. The natural field of view suits street, documentary and everyday photography.