Canon RF lens
Canon RF800mm F11 IS STM
800 mm, f/11, made for full frame, stabilised. It mounts natively on 5 of our APS-C cameras; on the EOS R50 it frames like 1280 mm.
- 800 mm · 1280 mm equiv. on EOS R50
- f/11
- 95 mm filter
- 1,260 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 | 1280 mm | 1,616 g | Fits and works | |
| Canon EOS R50 | 1280 mm | 1,635 g | Fits and works | |
| Canon EOS R50 V | 1280 mm | 1,630 g | Fits and works | |
| Canon EOS R10 | 1280 mm | 1,689 g | Fits and works | |
| Canon EOS R7 | 1280 mm | 1,872 g | Fits and works |
What it frames
At its closest (600 cm from the sensor) it fills the frame of the EOS R50 with a subject about 16 cm wide.
On the EOS R50, to scale
Other telephoto primes for Canon RF
The nearest in focal length, with the numbers that differ.
- Canon RF800mm F5.6 L IS USM1280 mm equiv. · f/5.6 · 3,140 g (+1880 g) · Drop-in filterCompare
- Canon RF600mm F11 IS STM960 mm equiv. · f/11 · 930 g (−330 g) · 82 mmCompare
- Canon RF600mm F4 L IS USM960 mm equiv. · f/4 · 3,090 g (+1830 g) · Drop-in filterCompare
- Canon RF1200mm F8 L IS USM1920 mm equiv. · f/8 · 3,340 g (+2080 g) · Drop-in filterCompare
- Canon RF400mm F2.8 L IS USM640 mm equiv. · f/2.8 · 2,890 g (+1630 g) · Drop-in filterCompare
- Canon RF135mm F1.8 L IS USM216 mm equiv. · f/1.8 · 935 g (−325 g) · 82 mmCompare
Questions about this lens
Which cameras does the Canon RF800mm F11 IS STM 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?
800 mm frames like 1280 mm on the EOS R50 (1.6x).
What filter size does it take?
95 mm screw-in filters. Every lens with a 95 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
- 800 mm
- Maximum aperture
- f/11
- Lens stabilisation
- Yes
- Weather sealing
- No
- Filter thread
- 95 mm
- Weight
- 1,260 g
- Size (diameter × length)
- 101.6 × 351.8 mm
- Closest focus
- 600 cm
- Maximum magnification
- 0.14x
- Autofocus
- Yes
- Announced
- 2020
- Note
- Fixed f/11 aperture; collapses for carrying