Canon RF 50mm f/1.8 STM
The RF 50mm f/1.8 STM is a small, light and affordable lens with a fast f/1.8 aperture, ideal in low light and great for creative depth-of-field. With new optics and a very quiet STM motor, this modern ‘nifty fifty’ will advance your photography.
Wide aperture creativity
Create artistic and impactful images at lower ISO thanks to a wide f/1.8 aperture that achieves sharp focus on a subject yet delivers a beautiful blurred background.
Sharp, quiet focusing
The STM (Stepping Motor) technology focuses very smoothly and in near-silence, ideal for stills and video. Super Spectra Coating on the lens elements ensure quality.
Compact and lightweight
At 160g and 40.5mm, it is a highly compact and lightweight partner for your day-to-day shooting with EOS R-series cameras, with no adapter required.
Supplied Accessories: Lens Cap E-43 - Lens Dust Cap RF
| Lens type | Prime lens |
| Max Format size | 35mm FF |
| Focal length | 50 mm |
| Image stabilization | No |
| Lens mount | Canon RF |
| Maximum aperture | F1.8 |
| Minimum aperture | F22 |
| Aperture ring | No |
| Number of diaphragm blades | 7 |
| Elements | 6 |
| Groups | 5 |
| Special elements / coatings | 1 aspherical element + Super Spectra Coating |
| Minimum focus | 0.30 m (11.81″) |
| Maximum magnification | 0.25× |
| Autofocus | Yes |
| Motor type | Stepper motor |
| Full time manual | No |
| Focus method | Internal |
| Distance scale | No |
| DoF scale | No |
| Weight | 160 g (0.35 lb) |
| Diameter | 69 mm (2.72″) |
| Length | 41 mm (1.61″) |
| Sealing | No |
| Colour | Black |
| Filter thread | 43 mm |
| Hood supplied | No |
| Hood product code | ES-65B |
