Highlighted rows differ between the two models.
| Specification | Canon EF-S 17-85mm f/4-5.6 IS USM | 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) | 17-85 mm | 16-50 mm |
| Aperture (difference) | f/4.0-5.6 | f/2.8 |
| Prime | No | No |
| Stabilization (difference) | Yes | No |
| Build | ||
| Weight (g) (difference) | 475,000 g | — |
Pick Model A if you need the extra reach to 85 mm and want to save 32 EUR. Model B stays the better choice if you prioritize a brighter f/2.8 aperture across its 16–50 mm range and can accept the higher price.