Highlighted rows differ between the two models.
| Specification | Canon EF 70-200mm f/4 L USM | Sigma 50-500mm f/4-6.3 EX APO DG HSM - Monture Canon EF |
|---|---|---|
| Mount | ||
| Mount | canon-ef | canon-ef |
| Optics | ||
| Focal (difference) | 70-200 mm | 50-500 mm |
| Aperture (difference) | f/4.0 | f/4.0-6.3 |
| Prime | No | No |
| Stabilization | No | No |
Pick Model A if you prioritize consistent sharpness and a lighter build at f/4 throughout the 70-200mm range, or if budget is tight. Choose Model B if you need the extra reach to 500mm and can accept the dimmer f/6.3 aperture beyond 100mm, despite the higher price.