Highlighted rows differ between the two models.
| Specification | Tamron SP AF 11-18mm f/4.5-5.6 Di II LD Aspherical (IF) - Monture Canon EF-S | Tokina 16-50mm f/2.8 AT-X Pro DX AF - Monture Canon EF-S |
|---|---|---|
| Mount | ||
| Mount | canon-ef-s | canon-ef-s |
| Optics | ||
| Focal (difference) | 11-18 mm | 16-50 mm |
| Aperture (difference) | f/4.5-5.6 | f/2.8 |
| Prime | No | No |
| Stabilization | No | No |
Pick Model A if you need an ultra-wide angle for landscapes, architecture, or tight interiors and can accept a dimmer f/4.5–5.6 aperture. Model B stays the better choice if you prioritize a fast f/2.8 constant aperture for low light, portraits, or general-purpose shooting from 16–50 mm.