Canon RF 24-240mm f/4-6.3 IS USM vs Laowa 17mm f/4 Zero-D Shift (Canon RF)
The bottom line
These cover different focal lengths — the Canon RF 24-240mm f/4-6.3 IS USM is 24-240mm, the Laowa 17mm f/4 Zero-D Shift (Canon RF) is 17mm — so they're not really substitutes. Pick by the field of view you actually need: the Canon RF 24-240mm f/4-6.3 IS USM for telephoto, the Laowa 17mm f/4 Zero-D Shift (Canon RF) for wide-angle.
Choose the Canon RF 24-240mm f/4-6.3 IS USM if…
- ✓You need more reach — it goes to 240mm vs 17mm for distant subjects, wildlife and sport.
- ✓You want one-lens flexibility — a 24-240mm zoom covers what the fixed 17mm can't reframe.
- ✓You shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't.
Choose the Laowa 17mm f/4 Zero-D Shift (Canon RF) if…
- ✓You prefer a fast, compact single focal length — a 17mm prime over a zoom.
Where they differ
- ›Focal range: Canon RF 24-240mm f/4-6.3 IS USM is 24-240mm, Laowa 17mm f/4 Zero-D Shift (Canon RF) is 17mm — different framing and reach.
- ›Type: the Canon RF 24-240mm f/4-6.3 IS USM is a zoom (flexible framing), the Laowa 17mm f/4 Zero-D Shift (Canon RF) a prime (one focal length, usually brighter and lighter).
- ›Stabilisation: only the Canon RF 24-240mm f/4-6.3 IS USM has optical stabilisation — steadier handheld shots, especially on bodies without IBIS.
Frequently asked
Is the Canon RF 24-240mm f/4-6.3 IS USM or the Laowa 17mm f/4 Zero-D Shift (Canon RF) better?
These cover different focal lengths — the Canon RF 24-240mm f/4-6.3 IS USM is 24-240mm, the Laowa 17mm f/4 Zero-D Shift (Canon RF) is 17mm — so they're not really substitutes. Pick by the field of view you actually need: the Canon RF 24-240mm f/4-6.3 IS USM for telephoto, the Laowa 17mm f/4 Zero-D Shift (Canon RF) for wide-angle.
Who should choose the Canon RF 24-240mm f/4-6.3 IS USM?
Choose the Canon RF 24-240mm f/4-6.3 IS USM if you need more reach — it goes to 240mm vs 17mm for distant subjects, wildlife and sport. Choose it if you want one-lens flexibility — a 24-240mm zoom covers what the fixed 17mm can't reframe. Choose it if you shoot handheld or on an unstabilised body — it has optical stabilisation, the other doesn't.
Who should choose the Laowa 17mm f/4 Zero-D Shift (Canon RF)?
Choose the Laowa 17mm f/4 Zero-D Shift (Canon RF) if you prefer a fast, compact single focal length — a 17mm prime over a zoom.
What is the main difference between the Canon RF 24-240mm f/4-6.3 IS USM and the Laowa 17mm f/4 Zero-D Shift (Canon RF)?
Focal range: Canon RF 24-240mm f/4-6.3 IS USM is 24-240mm, Laowa 17mm f/4 Zero-D Shift (Canon RF) is 17mm — different framing and reach.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 24-240mm | 17mm |
| Lens Type | Zoom | Prime |
| Optical Elements | 18 | 18 |
| Optical Groups | 13 | 12 |
| Aperture & Iris | ||
| Maximum Aperture | f/4 | f/4 |
| Minimum Aperture | f/40 | f/22 |
| Aperture Blades | 9 | 14 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | Full-Frame |
| Lens Mount | Canon RF | Canon RF |
| Angle of View | 84° – 10° | 104° |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | No |
| Focus Motor | Nano USM | Manual |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | No |
| Min Focus Distance | 50 cm | 25 cm |
| Max Magnification | 0.26x | − |
| Stabilization & Video | ||
| Optical Stabilization | Yes | No |
| Aperture Ring | No | Yes |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $949 | $999 |
| Filter Size | 72mm | 86mm |
| Diameter | 80.4mm | 93mm |
| Length | 122.5mm | 110mm |
| Weight | 750g (1.65 lb) | 770g (1.70 lb) |
| Weather Sealed | No | No |
| Tripod Collar | No | No |






