Lens Details
Tamron
17-70mm F/2.8 Di III-A VC RXD (Canon RF)
$799~
MSRP (prices vary)
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Released: July 2, 2026
Who it's for
The Tamron 17-70mm F/2.8 Di III-A VC RXD (Canon RF) is a 17-70mm f/2.8 zoom lens — a standard zoom option. Here's what it's best at and what to keep in mind.
Best for
- ✓Everyday, travel and events — a versatile 17-70mm walkaround range.
- ✓Handheld stills and video — optical stabilisation smooths shake.
- ✓Outdoor and travel use — a weather-sealed build.
17-70mm
Focal Length
f/2.8
Max Aperture
APS-C
Coverage
○
Stabilized
525g
Weight
67mm
Filter
Full Specifications
Optical Design
| Focal Length | 17-70mm |
|---|---|
| Lens Type | Zoom |
| Optical Elements | 16 |
| Optical Groups | 12 |
Aperture & Iris
| Maximum Aperture | f/2.8 |
|---|---|
| Minimum Aperture | f/22 |
| Aperture Blades | − |
| Rounded Aperture | No |
Coverage & Angle
| Format Coverage | APS-C |
|---|---|
| Lens Mount | Canon RF |
| Angle of View | 79.9° – 22.7° |
| 35mm Equivalent | 27-112mm |
Focus
| Autofocus | Yes |
|---|---|
| Focus Motor | RXD |
| Focus Limiter | No |
| AF/MF Switch | No |
| Min Focus Distance | 19 cm |
| Max Magnification | − |
Stabilization & Video
| Optical Stabilization | Yes |
|---|---|
| Aperture Ring | No |
| Declickable Aperture | No |
| Parfocal | No |
| Internal Zoom | No |
General
| Price (MSRP) | $799 |
|---|---|
| Filter Size | 67mm |
| Diameter | 74.6mm |
| Length | 119.3mm |
| Weight | 525g (1.16 lb) |
| Weather Sealed | Yes |
| Tripod Collar | No |
