Canon RF lens
Canon RF100-400mm F5.6-8 IS USM
100–400 mm, f/5.6–8, made for full frame, stabilised. It mounts natively on 5 of our APS-C cameras; on the EOS R50 it frames like 160–640 mm.
- 100–400 mm · 160–640 mm equiv. on EOS R50
- f/5.6–8
- 67 mm filter
- 635 g
- Stabilised
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On your camera
The view, the weight with the camera (battery and card included) and what the maker says about each pair. It is made for full-frame sensors and covers APS-C with room to spare.
| Camera | View (35 mm equiv.) | With the camera | Fit and maker's notes | Kit |
|---|---|---|---|---|
| Canon EOS R100 | 160–640 mm | 991 g | Fits and works | |
| Canon EOS R50 | 160–640 mm | 1,010 g | Fits and works | |
| Canon EOS R50 V | 160–640 mm | 1,005 g | Fits and works | |
| Canon EOS R10 | 160–640 mm | 1,064 g | Fits and works | |
| Canon EOS R7 | 160–640 mm | 1,247 g | Fits and works |
What it frames
At its closest (88 cm from the sensor) it fills the frame of the EOS R50 with a subject about 5.4 cm wide.
On the EOS R50, to scale
Other telephoto zooms for Canon RF
The nearest in focal length, with the numbers that differ.
- Canon RF100-500mm F4.5-7.1 L IS USM160–800 mm equiv. · f/4.5–7.1 · 1,370 g (+735 g) · 77 mmCompare
- Canon RF100-300mm F2.8 L IS USM160–480 mm equiv. · f/2.8 · 2,650 g (+2015 g) · Drop-in filterCompare
- Canon RF75-300mm F4-5.6120–480 mm equiv. · f/4–5.6 · 507 g (−128 g) · 58 mmCompare
- Canon RF70-200mm F4 L IS USM112–320 mm equiv. · f/4 · 695 g (+60 g) · 77 mmCompare
- Canon RF70-200mm F2.8 L IS USM112–320 mm equiv. · f/2.8 · 1,070 g (+435 g) · 77 mmCompare
- Canon RF70-200mm F2.8 L IS USM Z112–320 mm equiv. · f/2.8 · 1,115 g (+480 g) · 82 mmCompare
Questions about this lens
Which cameras does the Canon RF100-400mm F5.6-8 IS USM fit?
5 APS-C cameras in our catalogue: EOS R100, EOS R50, EOS R50 V, EOS R10, EOS R7. It is made for full frame, so it also fits the full-frame cameras on its mount.
What does it frame like on APS-C?
100–400 mm frames like 160–640 mm on the EOS R50 (1.6x).
What filter size does it take?
67 mm screw-in filters. Every lens with a 67 mm thread.
Where these facts come from
Facts checked 9 Oct 2026 against the makers' specification pages. How we check
Size, weight, filter thread, close focus and magnification are Canon's published figures. We have not tested this lens; for image quality, read reviews from people who have.
Specifications
- Mount
- Canon RF
- Made for
- Full-frame sensors (covers APS-C too)
- Focal length
- 100–400 mm
- Maximum aperture
- f/5.6–8
- Lens stabilisation
- Yes
- Weather sealing
- No
- Filter thread
- 67 mm
- Weight
- 635 g
- Size (diameter × length)
- 79.5 × 164.5 mm
- Closest focus
- 88 cm
- Maximum magnification
- 0.41x
- Autofocus
- Yes
- Announced
- 2021