Canon RF lens
Canon RF135mm F1.8 L IS USM
135 mm, f/1.8, made for full frame, stabilised. It mounts natively on 5 of our APS-C cameras; on the EOS R50 it frames like 216 mm.
- 135 mm · 216 mm equiv. on EOS R50
- f/1.8
- 82 mm filter
- 935 g
- Stabilised
- Weather-sealed
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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 | 216 mm | 1,291 g | Fits and works | |
| Canon EOS R50 | 216 mm | 1,310 g | Fits and works | |
| Canon EOS R50 V | 216 mm | 1,305 g | Fits and works | |
| Canon EOS R10 | 216 mm | 1,364 g | Fits and works | |
| Canon EOS R7 | 216 mm | 1,547 g | Fits and works |
What it frames
At its closest (70 cm from the sensor) it fills the frame of the EOS R50 with a subject about 8.6 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 RF400mm F2.8 L IS USM640 mm equiv. · f/2.8 · 2,890 g (+1955 g) · Drop-in filterCompare
- Canon RF600mm F11 IS STM960 mm equiv. · f/11 · 930 g (−5 g) · 82 mmCompare
- Canon RF600mm F4 L IS USM960 mm equiv. · f/4 · 3,090 g (+2155 g) · Drop-in filterCompare
- Canon RF800mm F11 IS STM1280 mm equiv. · f/11 · 1,260 g (+325 g) · 95 mmCompare
- Canon RF800mm F5.6 L IS USM1280 mm equiv. · f/5.6 · 3,140 g (+2205 g) · Drop-in filterCompare
- Canon RF1200mm F8 L IS USM1920 mm equiv. · f/8 · 3,340 g (+2405 g) · Drop-in filterCompare
Questions about this lens
Which cameras does the Canon RF135mm F1.8 L 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?
135 mm frames like 216 mm on the EOS R50 (1.6x).
What filter size does it take?
82 mm screw-in filters. Every lens with a 82 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
- 135 mm
- Maximum aperture
- f/1.8
- Lens stabilisation
- Yes
- Weather sealing
- Yes, per the maker
- Filter thread
- 82 mm
- Weight
- 935 g
- Size (diameter × length)
- 89.2 × 130.3 mm
- Closest focus
- 70 cm
- Maximum magnification
- 0.26x
- Autofocus
- Yes
- Announced
- 2022