Canon EF 400mm f/5.6 L USM vs Sigma 500mm f/4.5 EX APO HSM - Monture Canon EF
Prices & availability
Specification comparison
Highlighted rows differ between the two models.
| Specification | Canon EF 400mm f/5.6 L USM | Sigma 500mm f/4.5 EX APO HSM - Monture Canon EF |
|---|---|---|
| Mount | ||
| Mount | canon-ef | canon-ef |
| Optics | ||
| Focal (difference) | 400 mm | 500 mm |
| Aperture (difference) | f/5.6 | f/4.5 |
| Prime | Yes | Yes |
| Stabilization | No | No |
Verdict
Pick Model B if you need the extra 100 mm reach and a brighter f/4.5 aperture for better low-light performance. Model A stays the better choice if you prefer a slightly lighter, more compact lens or want to save 20 EUR without sacrificing optical quality.