Highlighted rows differ between the two models.
| Specification | Canon EF-S 18-200mm f/3.5-5.6 IS | Sigma 18-250mm f/3.5-6.3 DC OS HSM - Monture Canon EF-S |
|---|---|---|
| Mount | ||
| Mount | canon-ef-s | canon-ef-s |
| Optics | ||
| Focal (difference) | 18-200 mm | 18-250 mm |
| Aperture (difference) | f/3.5-5.6 | f/3.5-6.3 |
| Prime | No | No |
| Stabilization | Yes | Yes |
| Build | ||
| Weight (g) (difference) | 595,000 g | — |
Pick Model A if you need the brighter f/5.6 tele end and slightly better build weight for steadier handheld shots. Model B stays the better choice if budget is tight and the extra 50 mm reach outweighs the dimmer f/6.3 aperture at 250 mm.