Canon EF 100-400mm f/4.5-5.6 L IS USM vs Canon EF 70-300mm f/4-5.6 L IS USM
Prices & availability
Specification comparison
Highlighted rows differ between the two models.
| Specification | Canon EF 100-400mm f/4.5-5.6 L IS USM | Canon EF 70-300mm f/4-5.6 L IS USM |
|---|---|---|
| Mount | ||
| Mount | canon-ef | canon-ef |
| Optics | ||
| Focal (difference) | 100-400 mm | 70-300 mm |
| Aperture (difference) | f/4.5-5.6 | f/4.0-5.6 |
| Prime | No | No |
| Stabilization | Yes | Yes |
Verdict
Pick Model A if you need the extra reach to 400 mm and can accept the slightly dimmer f/4.5 maximum aperture at the wide end. Model B stays the better choice if you prefer a brighter f/4 aperture at 70 mm and a more compact zoom range that starts wider, all for a marginally lower price.