Lens Comparison
Canon RF 24-105mm f/4 L IS USM vs Canon RF 24-240mm f/4-6.3 IS USM
The bottom line
These two are closely matched. The differences below are where they diverge — weigh the ones that map to what you shoot, and let size, price and handling break the tie.
Choose the Canon RF 24-105mm f/4 L IS USM if…
- ✓You work outdoors — it's weather-sealed against dust and moisture; the other isn't.
Choose the Canon RF 24-240mm f/4-6.3 IS USM if…
- ✓You need more reach — it goes to 240mm vs 105mm for distant subjects, wildlife and sport.
Where they differ
- ›Focal range: Canon RF 24-105mm f/4 L IS USM is 24-105mm, Canon RF 24-240mm f/4-6.3 IS USM is 24-240mm — different framing and reach.
- ›Price: the Canon RF 24-240mm f/4-6.3 IS USM is $949, $150 under the Canon RF 24-105mm f/4 L IS USM.
- ›Durability: the Canon RF 24-105mm f/4 L IS USM is weather-sealed; the other isn't.
Frequently asked
Is the Canon RF 24-105mm f/4 L IS USM or the Canon RF 24-240mm f/4-6.3 IS USM better?
These two are closely matched. The differences below are where they diverge — weigh the ones that map to what you shoot, and let size, price and handling break the tie.
Who should choose the Canon RF 24-105mm f/4 L IS USM?
Choose the Canon RF 24-105mm f/4 L IS USM if you work outdoors — it's weather-sealed against dust and moisture; the other isn't.
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 105mm for distant subjects, wildlife and sport.
What is the main difference between the Canon RF 24-105mm f/4 L IS USM and the Canon RF 24-240mm f/4-6.3 IS USM?
Focal range: Canon RF 24-105mm f/4 L IS USM is 24-105mm, Canon RF 24-240mm f/4-6.3 IS USM is 24-240mm — different framing and reach.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 24-105mm | 24-240mm |
| Lens Type | Zoom | Zoom |
| Optical Elements | 18 | 18 |
| Optical Groups | 14 | 13 |
| Aperture & Iris | ||
| Maximum Aperture | f/4 | f/4 |
| Minimum Aperture | f/22 | f/40 |
| Aperture Blades | 9 | 9 |
| Rounded Aperture | Yes | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | Full-Frame |
| Lens Mount | Canon RF | Canon RF |
| Angle of View | 84° – 23.5° | 84° – 10° |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | Nano USM | Nano USM |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 45 cm | 50 cm |
| Max Magnification | 0.24x | 0.26x |
| Stabilization & Video | ||
| Optical Stabilization | Yes | Yes |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | No |
| Internal Zoom | No | No |
| General | ||
| Price (MSRP) | $1,099 | $949 |
| Filter Size | 77mm | 72mm |
| Diameter | 83.5mm | 80.4mm |
| Length | 107.3mm | 122.5mm |
| Weight | 700g (1.54 lb) | 750g (1.65 lb) |
| Weather Sealed | Yes | No |
| Tripod Collar | No | No |
