Canon RF 24-105mm F2.8 L IS USM Z vs Tamron 17-70mm f/2.8 Di III-A VC RXD
Both are Canon RF zoom lenses. Here is what actually differs.
Pick the Canon RF 24-105mm F2.8 L IS USM Z if
- You need more reach: 105mm vs 70mm at the long end
- You shoot full frame: the Tamron 17-70mm f/2.8 Di III-A VC RXD is made for APS-C
- You care about the shape of out-of-focus highlights: 11 aperture blades vs 9
- Our notes say it suits: Hybrid photo and video, events, documentary
Pick the Tamron 17-70mm f/2.8 Di III-A VC RXD if
- You want a wider view: 17mm vs 24mm at the wide end
- You shoot video: RXD autofocus is smooth and quiet (the Canon RF 24-105mm F2.8 L IS USM Z uses USM)
- You shoot close-ups: it focuses down to 0.19 m vs 0.45 m
- You want bigger close-ups: 0.21× vs 0.08× maximum magnification
- You prefer a newer design: released 2026 vs 2023
Spec differences
14 differences| Canon RF 24-105mm F2.8 L IS USM Z | Tamron 17-70mm f/2.8 Di III-A VC RXD | |
|---|---|---|
| Brand |
Canon
|
Tamron
|
| Format |
Full frame
|
APS-C
|
| Focal length |
24-105mm
|
17-70mm
|
| Weight |
1330 g
|
not listed
|
| Length |
199 mm
|
not listed
|
| Diameter |
88.5 mm
|
74.6 mm
slimmer
|
| Filter thread |
82 mm
|
67 mm
|
| Min focus distance |
0.45 m
|
0.19 m
closer
|
| Max magnification |
0.08×
|
0.21×
larger
|
| Aperture blades |
11
more blades
|
9
|
| Optical design |
23 elements / 18 groups
|
16 elements / 12 groups
|
| Autofocus motor |
USM
|
RXD
|
| Weather sealing |
not listed
|
Yes
|
| Released |
2023
|
2026
|
4 identical specs hidden: mount, type, max aperture, image stabilization. Show all
- Mount
- Canon RF both
- Type
- Zoom both
- Max aperture
- f/2.8 both
- Image stabilization
- Yes both
Our notes
Canon RF 24-105mm F2.8 L IS USM Z
Canon's standard zoom with a constant f/2.8 aperture, image stabilization and an internal zoom design, introduced in 2023. It is aimed at hybrid shooters who work in both stills and video.
Pros
- Constant f/2.8 across a wide range
- Image stabilization
- Barrel length stays fixed when zooming
- Sealed construction
Cons
- Heavy at about 1.3kg
- Large 82mm filter thread
Our notes
Tamron 17-70mm f/2.8 Di III-A VC RXD
More comparisons
Canon RF 24-105mm F2.8 L IS USM Z vs Sigma 18-50mm f/2.8 DC DN Contemporary
more reach (105mm) vs 1030 g lighter
Canon RF 15-35mm F2.8 L IS USM vs Tamron 17-70mm f/2.8 Di III-A VC RXD
wider (15mm) vs more reach (70mm)
Canon RF 24-105mm F2.8 L IS USM Z vs Sigma 50-120mm f/2.8 DC OS Contemporary
wider (24mm) vs 920 g lighter
Canon RF 24-105mm F2.8 L IS USM Z vs Tamron 16-50mm f/2.8 A
more reach (105mm) vs 1025 g lighter
Sigma 18-50mm f/2.8 DC DN Contemporary vs Tamron 17-70mm f/2.8 Di III-A VC RXD
0.36× magnification vs wider (17mm)
Sigma 10-18mm f/2.8 DC DN Contemporary vs Tamron 17-70mm f/2.8 Di III-A VC RXD
wider (10mm) vs more reach (70mm)