Canon RF 24-70mm F2.8L IS USM vs Canon RF 28-70mm F2.8 IS STM
Every published spec side by side, with today's lowest prices for the market you've chosen.
Key differences
- Closest focus: 0.21 m on the RF 24-70mm F2.8L IS USM, against 0.24 m on the RF 28-70mm F2.8 IS STM.
- Max magnification: 0.30× on the RF 24-70mm F2.8L IS USM, against 0.24× on the RF 28-70mm F2.8 IS STM.
- Weight: 495 g on the RF 28-70mm F2.8 IS STM, against 900 g on the RF 24-70mm F2.8L IS USM.
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|---|---|---|
| Lowest price today | $2,399 new | $1,049 new |
| Optics | ||
| Focal length | 24–70mm | 28–70mm |
| 35mm equivalent | 24–70mm (full frame) | 28–70mm (full frame) |
| Maximum apertureLower f-number lets in more light. A zoom wins only when it is as bright at both ends. | f/2.8 | f/2.8 |
| Minimum aperture | f/22 | f/22 |
| Made for | Full frame | Full frame |
| Elements / groups | 21 / 15 | 15 / 12 |
| Aperture blades | 9 | 9 |
| Closest focus | 0.21 m (best) | 0.24 m |
| Max magnification | 0.30× (best) | 0.24× |
| Focus & handling | ||
| Autofocus | Yes (Nano USM) | Yes (STM) |
| Optical stabilisation | Yes | Yes |
| Weather sealed | Yes | Yes |
| Internal zoom | No | No |
| Aperture ring | No | No |
| Teleconverter compatible | No | No |
| Size & weight | ||
| Weight | 900 g | 495 g (best) |
| Diameter × length | 88.5 × 125.7 mm | 76.5 × 92.2 mm |
| Filter thread | 82 mm | 67 mm |
Green marks the better figure where “better” is unambiguous. A dash means the maker doesn't publish it or we haven't verified it yet.

