Canon EF-S 10-18mm f/4.5-5.6 IS STM vs Sigma 18-50mm f/2.8 EX DC - Monture Canon EF-S
Prices & availability
Specification comparison
Highlighted rows differ between the two models.
| Specification | Canon EF-S 10-18mm f/4.5-5.6 IS STM | Sigma 18-50mm f/2.8 EX DC - Monture Canon EF-S |
|---|---|---|
| Mount | ||
| Mount | canon-ef-s | canon-ef-s |
| Optics | ||
| Focal (difference) | 10-18 mm | 18-50 mm |
| Aperture (difference) | f/4.5-5.6 | f/2.8 |
| Prime | No | No |
| Stabilization (difference) | Yes | No |
Verdict
Pick Model A if you need an ultra-wide angle for landscapes or tight interiors and can accept a dimmer f/4.5–5.6 aperture. Model B stays the better choice if you prefer a brighter f/2.8 constant aperture and a standard 18–50 mm zoom range for portraits or low-light scenes.