Highlighted rows differ between the two models.
| Specification | Canon EF 200mm f/2 L IS USM | Sigma 500mm f/4 DG OS HSM SPORT - Compatible Canon EF |
|---|---|---|
| Mount | ||
| Mount | canon-ef | canon-ef |
| Optics | ||
| Focal (difference) | 200 mm | 500 mm |
| Aperture (difference) | f/2.0 | f/4.0 |
| Prime | Yes | Yes |
| Stabilization | Yes | Yes |
Pick Model A if you need a brighter f/2 aperture for low-light shooting or shallower depth of field at 200 mm. Choose Model B if the extra reach of 500 mm is essential and you can accept the one-stop slower f/4 maximum aperture. Model A stays the better choice if budget is a concern, given its lower used price.