Canon EF-S 18-135mm f/3.5-5.6 IS 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 18-135mm f/3.5-5.6 IS | Sigma 18-50mm f/2.8 EX DC - Monture Canon EF-S |
|---|---|---|
| Mount | ||
| Mount | canon-ef-s | canon-ef-s |
| Optics | ||
| Focal (difference) | 18-135 mm | 18-50 mm |
| Aperture (difference) | f/3.5-5.6 | f/2.8 |
| Prime | No | No |
| Stabilization (difference) | Yes | No |
| Build | ||
| Weight (g) (difference) | 455,000 g | — |
Verdict
Pick Model A if you need the extra reach to 135 mm and can accept the dimmer f/5.6 tele end; its lower price also leaves room for other gear. Model B stays the better choice if you prioritize a brighter f/2.8 aperture for low-light work and don’t require focal lengths beyond 50 mm.