Illustration, not a product photo.
Canon EF 50mm f/1.8 STM
Overview
The Canon EF 50mm f/1.8 STM is a full frame 50mm f/1.8 prime lens for the Canon EF / EF-S mount. It weighs about 160g and takes 49mm 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 11 camera bodies natively and 23 with an adapter. Approximate new price is £129; used at MPB it sells for £77–101 depending on condition and mount (checked 5 November 2026).
Specifications
| Brand | Canon |
| Mounts | Canon EF / EF-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 | 49 mm |
| Approx. new price | £129 |
| Used at MPB (Canon EF / EF-S) | £77–101 |
Compatible camera bodies
11 native · 23 adapted
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 EF 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 EF 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 EF 50mm f/1.8 STM compatible with?
It's available for Canon EF / EF-S. Native bodies here include Canon EOS 5D Mark IV, Canon EOS 6D Mark II, Canon EOS 90D, Canon EOS 80D, Canon EOS 250D, Canon EOS-1D X Mark III, and it adapts to Canon mirrorless bodies.
Is the Canon EF 50mm f/1.8 STM weather sealed?
No, it has no weather sealing; protect it in rain.
Does the Canon EF 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 EF 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.