Canon RF 15-35mm F2.8 L IS USM vs Canon RF 28-70mm F2.8 IS STM
Side-by-side comparison from our catalogue data. Better values are highlighted only where a clear difference exists.
Verdict at a glance
- Canon RF 28-70mm F2.8 IS STM is lighter by 345g.
- Canon RF 15-35mm F2.8 L IS USM goes wider (15mm vs 28mm).
- Canon RF 28-70mm F2.8 IS STM reaches further (70mm vs 35mm).
- Canon RF 28-70mm F2.8 IS STM is the newer design (2024 vs 2019).
| Spec | RF 15-35mm F2.8 L IS USM | RF 28-70mm F2.8 IS STM |
|---|---|---|
| Brand | Canon | Canon |
| Mount | Canon RF | Canon RF |
| Type | Wide Zoom | Zoom |
| Focal length | 15-35mm (wider) | 28-70mm |
| Max aperture | f/2.8 | f/2.8 |
| Released | 2019 | 2024 |
| Blades | 9 | 9 |
| Format | full-frame | full-frame |
| Groups | 12 | 12 |
| Af motor | USM | STM |
| Elements | 16 | 15 |
| Weight g | 840.0 | 495.0 (lighter) |
| Filter mm | 82 | 67 |
| Length mm | 126.8 | 92.2 |
| Stabilized | Yes | Yes |
| Diameter mm | 88.5 | 76.5 |
| Min focus m | 0.28 | 0.27 (closer focusing) |
| Max magnification | 0.21 | 0.24 |
Canon RF 15-35mm F2.8 L IS USM
A wide-angle zoom for Canon RF full-frame cameras with a constant f/2.8 aperture and image stabilization, for landscape, event and video work.
Pros
- Constant f/2.8
- Image stabilization
- Weather-sealed L build
- Sharp across the frame
Cons
- Heavy for a wide zoom (840 g)
- 82mm filter thread
- Relies on in-camera correction
Canon RF 28-70mm F2.8 IS STM
A compact f/2.8 standard zoom for Canon RF full-frame cameras with stabilization and stepping-motor autofocus.
Pros
- Constant f/2.8
- Small and light (495 g)
- Image stabilization
Cons
- Starts at 28mm
- Narrower range than a 24-70
- Relies on digital corrections