Canon EF 20mm f/2.8 USM vs Tamron SP 45mm f/1.8 Di VC USD - Monture Canon EF
Prices & availability
Specification comparison
Highlighted rows differ between the two models.
| Specification | Canon EF 20mm f/2.8 USM | Tamron SP 45mm f/1.8 Di VC USD - Monture Canon EF |
|---|---|---|
| Mount | ||
| Mount | canon-ef | canon-ef |
| Optics | ||
| Focal (difference) | 20 mm | 45 mm |
| Aperture (difference) | f/2.8 | f/1.8 |
| Prime | Yes | Yes |
| Stabilization (difference) | No | Yes |
| Build | ||
| Weight (g) (difference) | — | 540,000 g |
Verdict
Pick Model A if you need a wider 20mm field of view and a slightly lower price. Model B stays the better choice if you prefer a brighter f/1.8 aperture and a tighter 45mm focal length, despite its higher weight and cost.