The Canon RF 28mm f/2.8 STM is a compact, pancake-style wide-angle prime lens engineered for Canon RF-mount full-frame mirrorless cameras. Delivering a bright f/2.8 maximum aperture and three aspherical elements, it combines exceptional sharpness with a feather-light form factor — making it the perfect everyday companion for travel, street photography, and video.
Featuring a whisper-quiet gear-type STM autofocus motor, Super Spectra Coating for outstanding contrast and colour fidelity, and a customisable Control Ring for on-the-fly exposure adjustments, the RF 28mm f/2.8 STM punches well above its weight. Whether you shoot on a full-frame body or an APS-C RF-mount camera (where it delivers an effective ~45mm field of view), this lens offers remarkable versatility at an accessible price point.
Key features
- Pancake-Ready Portability: Ultracompact and lightweight design slides effortlessly into any bag, making it the ideal walkaround lens for travel and street photography.
- Bright f/2.8 Aperture: Excels in available-light situations and delivers pleasing background separation with its 7-blade rounded diaphragm for smooth, natural bokeh.
- Three Aspherical Elements: Precisely control distortion and deliver edge-to-edge sharpness across the full-frame image circle.
- Gear-Type STM Autofocus Motor: Fast, silent, and smooth AF performance — ideal for continuous video recording and candid still shooting without distracting noise.
- Super Spectra Coating: Minimises lens flare and ghosting in strong or backlit lighting conditions, preserving rich contrast and accurate colour reproduction.
- Close-Focus Capability & Customisable Control Ring: A minimum focus distance of just 9.1″ (0.17x magnification) enables compelling close-up shots, while the configurable Control Ring lets you adjust aperture, ISO, or exposure compensation intuitively.
Specifications
| Mount | Canon RF |
|---|---|
| Format Compatibility | Full-Frame (APS-C compatible, ~45mm equivalent) |
| Focal Length | 28mm |
| Maximum Aperture | f/2.8 |
| Minimum Aperture | f/22 |
| Aperture Blades | 7 (Rounded) |
| Autofocus Motor | Gear-Type STM |
| Minimum Focus Distance | 9.1 inches (approx. 23 cm) |
| Maximum Magnification | 0.17x |
| Optical Coating | Super Spectra Coating |
Frequently asked questions
Is the Canon RF 28mm f/2.8 STM compatible with APS-C Canon RF-mount cameras?
Yes. While designed for full-frame RF-mount cameras, the RF 28mm f/2.8 STM works on APS-C RF-mount bodies as well, where the crop factor gives it an effective focal length of approximately 45mm — a classic normal-view perspective ideal for everyday shooting.
How close can the Canon RF 28mm f/2.8 STM focus, and is it good for close-up photography?
The lens has a minimum focusing distance of 9.1 inches (approx. 23 cm) and achieves a maximum magnification of 0.17x. While not a true macro lens, this close-focus capability makes it a versatile option for detailed close-up shots while still maintaining attractive depth of field.
Is the STM autofocus motor in this lens suitable for video recording?
Absolutely. The gear-type STM (Stepping Motor) delivers fast, quiet, and smooth autofocus transitions that are specifically well-suited to video recording. The near-silent operation ensures AF changes are not picked up by on-camera microphones, and Full-Time Manual Focus allows seamless override at any point.
