Illustration, not a product photo.
Canon RF 50mm f/1.8 STM
Overview
The Canon RF 50mm f/1.8 STM is a full frame 50mm f/1.8 prime lens for the Canon RF / RF-S mount. It weighs about 160g and takes 43mm filters.
It's a strong choice for portraits, everyday & travel. Around 85mm equivalent with a fast aperture (f/1.8 or brighter) for background blur.
In our database it fits 16 camera bodies natively. Approximate new price is £209; used at MPB it sells for £124–164 depending on condition and mount (checked 5 November 2026).
Specifications
| Brand | Canon |
| Mounts | Canon RF / RF-S (First-party) |
| Coverage | Full frame |
| Focal length | 50mm |
| Equivalent on Full frame | 50mm |
| Equivalent on APS-C (×1.5) | 75mm |
| Maximum aperture | f/1.8 |
| Focus | Autofocus |
| Stabilisation | No |
| Weather sealing | No |
| Weight | ≈160 g |
| Filter thread | 43 mm |
| Approx. new price | £209 |
| Used at MPB (Canon RF / RF-S) | £124–164 |
Compatible camera bodies
16 native
Alternatives to compare
Where to buy
*Used prices on this site come from MPB on 5 November 2026. MPB only lists what it has bought in, so "None listed" means none in their stock that day, not that Canon RF 50mm f/1.8 STM is hard to find. Check these trusted UK dealers too.
See example photos
Real-world shots taken with the Canon RF 50mm f/1.8 STM lens. Results are searches on each site, so check the camera or lens listed in each photo's details.
Frequently asked questions
Which cameras is the Canon RF 50mm f/1.8 STM compatible with?
It's available for Canon RF / RF-S. Native bodies here include Canon EOS R5 Mark II, Canon EOS R3, Canon EOS R5, Canon EOS R10, Canon EOS R7, Canon EOS R8.
Is the Canon RF 50mm f/1.8 STM weather sealed?
No, it has no weather sealing; protect it in rain.
Does the Canon RF 50mm f/1.8 STM have image stabilisation?
No. Use a camera with in-body stabilisation (IBIS) for steady hand-held shots.
What is the Canon RF 50mm f/1.8 STM best for?
Portraits, Everyday & travel. Around 85mm equivalent with a fast aperture (f/1.8 or brighter) for background blur.