Highlighted rows differ between the two models.
| Specification | Canon EF-M 11-22mm f/4-5.6 IS STM | Canon EF-M 15-45mm f/3.5-6.3 IS STM |
|---|---|---|
| Mount | ||
| Mount | canon-ef-m | canon-ef-m |
| Optics | ||
| Focal (difference) | 11-22 mm | 15-45 mm |
| Aperture (difference) | f/4.0-5.6 | f/3.5-6.3 |
| Prime | No | No |
| Stabilization | Yes | Yes |
Pick Model A if you need the wider 11 mm start and can accept the slightly dimmer f/4 maximum aperture at the wide end. Model B stays the better choice if you prefer the longer 45 mm reach and the brighter f/3.5 aperture at 15 mm, especially in low light.