Product guide · Canon
Canon RF100-400mm F5.6-8 IS USM
The Canon RF100-400mm provides long wildlife reach in a 635 g RF-mount lens. It fits both full-frame and APS-C EOS R cameras and uses optical stabilization for steadier framing.
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The tradeoff to consider
At 400mm the maximum aperture is f/8, so fast wildlife in shade can demand high ISO.
Exact variant reviewed
Black RF-mount lens
Key specifications
- Compatibility
- Canon RF, Canon RF-S
- Weight
- 22.4 oz · 635 g
- Dimensions
- 3.1 × 6.5 in · 79.5 × 164.7 mm
- US variant
- Documented for the US market
What to verify before ordering
- Confirm RF-mount compatibility and enough carrying support for the camera plus lens.
- Current availability, included accessories, warranty, and return conditions.
Official source
Information last checked on .
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