The Canon RF 100-400mm f/5.6-8 IS USM is a compact, lightweight telephoto zoom lens that brings distant subjects within reach while maintaining the portability required for handheld shooting.
| focal_length | 100-400mm |
| maximum_aperture | f/5.6 to f/8 |
| lens_mount | Canon RF |
| minimum_focus_distance | 2.89 ft / 0.88 m (at 200mm) |
| filter_size | 67mm |
| weight | 1.4 lb / 635 g |
| diaphragm_blades | 9, rounded |
No, this lens is not weather-sealed. It is recommended to use a rain cover when shooting in dusty or wet environments.
No, the RF 100-400mm is designed exclusively for the mirrorless RF mount and cannot be used on DSLR bodies like the 5D or 90D.
Yes, it is fully compatible with the Extender RF 1.4x and Extender RF 2x, allowing for a maximum reach of up to 800mm.