Canon RF 24-105mm f/4-7.1 IS STM vs Canon RF20-50mm F4 L IS USM PZ
The bottom line
There's a clear price gap: the Canon RF 24-105mm f/4-7.1 IS STM at $499 versus the Canon RF20-50mm F4 L IS USM PZ at $1,399. Check the differences below to see whether the pricier lens's advantages are ones you'll actually use.
Choose the Canon RF 24-105mm f/4-7.1 IS STM if…
- ✓You need more reach — it goes to 105mm vs 50mm for distant subjects, wildlife and sport.
- ✓You're on a budget — $499 vs $1,399 leaves more for other gear.
Choose the Canon RF20-50mm F4 L IS USM PZ if…
- ✓You work outdoors — it's weather-sealed against dust and moisture; the other isn't.
- ✓You use filters or shoot video — internal zoom keeps length and balance constant.
Where they differ
- ›Focal range: Canon RF 24-105mm f/4-7.1 IS STM is 24-105mm, Canon RF20-50mm F4 L IS USM PZ is 20-50mm — different framing and reach.
- ›Price: the Canon RF 24-105mm f/4-7.1 IS STM is $499, $900 under the Canon RF20-50mm F4 L IS USM PZ.
- ›Durability: the Canon RF20-50mm F4 L IS USM PZ is weather-sealed; the other isn't.
Frequently asked
Is the Canon RF 24-105mm f/4-7.1 IS STM or the Canon RF20-50mm F4 L IS USM PZ better?
There's a clear price gap: the Canon RF 24-105mm f/4-7.1 IS STM at $499 versus the Canon RF20-50mm F4 L IS USM PZ at $1,399. Check the differences below to see whether the pricier lens's advantages are ones you'll actually use.
Who should choose the Canon RF 24-105mm f/4-7.1 IS STM?
Choose the Canon RF 24-105mm f/4-7.1 IS STM if you need more reach — it goes to 105mm vs 50mm for distant subjects, wildlife and sport. Choose it if you're on a budget — $499 vs $1,399 leaves more for other gear.
Who should choose the Canon RF20-50mm F4 L IS USM PZ?
Choose the Canon RF20-50mm F4 L IS USM PZ if you work outdoors — it's weather-sealed against dust and moisture; the other isn't. Choose it if you use filters or shoot video — internal zoom keeps length and balance constant.
What is the main difference between the Canon RF 24-105mm f/4-7.1 IS STM and the Canon RF20-50mm F4 L IS USM PZ?
Focal range: Canon RF 24-105mm f/4-7.1 IS STM is 24-105mm, Canon RF20-50mm F4 L IS USM PZ is 20-50mm — different framing and reach.
| Product | ||
|---|---|---|
| Optical Design | ||
| Focal Length | 24-105mm | 20-50mm |
| Lens Type | Zoom | Zoom |
| Optical Elements | 15 | 13 |
| Optical Groups | 11 | 11 |
| Aperture & Iris | ||
| Maximum Aperture | f/4 | f/4 |
| Minimum Aperture | f/22 | f/22 |
| Aperture Blades | 7 | 9 |
| Rounded Aperture | No | Yes |
| Coverage & Angle | ||
| Format Coverage | Full-Frame | Full-Frame |
| Lens Mount | Canon RF | Canon RF |
| Angle of View | 84° – 23° | 94° – 46° |
| 35mm Equivalent | − | − |
| Focus | ||
| Autofocus | Yes | Yes |
| Focus Motor | STM | Nano USM |
| Focus Limiter | No | No |
| AF/MF Switch | Yes | Yes |
| Min Focus Distance | 33 cm | − |
| Max Magnification | 0.5x | − |
| Stabilization & Video | ||
| Optical Stabilization | Yes | Yes |
| Aperture Ring | No | No |
| Declickable Aperture | No | No |
| Parfocal | No | Yes |
| Internal Zoom | No | Yes |
| General | ||
| Price (MSRP) | $499 | $1,399 |
| Filter Size | 67mm | 67mm |
| Diameter | 76.6mm | − |
| Length | 88.8mm | − |
| Weight | 395g (13.9 oz) | 420g (14.8 oz) |
| Weather Sealed | No | Yes |
| Tripod Collar | No | No |







