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| Image: Tamron |
Tamron has announced that it's bringing its 17-70mm F2.8 APS-C lens to Canon's RF and Nikon's Z mounts, providing a versatile option for shooters on those systems. It delivers a 26-105mm equiv. range for Nikon shooters, and is a 28-112mm equiv. on Canon.
The lens, formally named the 17-70mm F2.8 Di III-A VC RXD, offers essentially the same experience as the E-mount version that was announced in 2020. The Z-mount weighs 540g (19oz), with the RF version coming in 10g lighter, and it uses an optical formula with 16 elements in 12 groups. At the wide end, it can focus on subjects as close as 0.19m (7.5"). zoomed in, that goes up to 0.39m (15.4").
Unlike the Sony and Nikon versions, the RF version of the lens has physical controls for turning its optical stabilization on and off and for selecting whether it's in auto or manual focus mode. Both the Z and RF versions of the lens have a USB-C port for firmware updates and for use with Tamron's Lens Utility app.
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| Image: Tamron |
This lens is a welcome addition to both systems, as there wasn't anything really comparable for either. RF-mount has the Sigma 18-50mm (29-80mm equiv.) F2.8, and Z-mount has Nikon's 16-50mm (26-75mm equiv.) F2.8, but neither has an option that goes that bit further while still maintaining a constant aperture. For those looking for a single lens they can use while walking around, the 17-70mm F2.8 may be a more versatile option.
When we reviewed the lens in 2021, we found it was generally quite good, with a few optical downsides like distortion, onion-ring bokeh and longitudinal chromatic aberration. Given its price, though, there will likely be many willing to make those tradeoffs.
The Tamron 17-70mm F2.8 Di III-A VC RXD will retail for $749 – $50 more than the Sony version, and $50 less than the Fujifilm one – and will be available starting July 2nd.
Tamron 17-70mm F2.8 sample gallery
We got our hands on a copy of the RF-mount version of the lens and had the opportunity to shoot a small sample gallery with the Canon EOS R7. In addition to these sample photos, you can also check out our more extensive sample gallery, captured when the lens was originally launched for E-mount.
Please do not reproduce any of these images on a website or any newsletter/magazine without prior permission (see our copyright page). We make the originals available for private users to download to their own machines for personal examination or printing (in conjunction with this review); we do so in good faith, so please don't abuse it.
Press release:
Class-Leading1 4.1x Zoom Ratio Standard Zoom with Built-In VC 17-70mm F/2.8 Di III-A VC RXD (Model B070) For Nikon Z Mount and CANON RF Mount APS-C Mirrorless Cameras
June 24, 2026 – TAMRON announces the launch of the 17-70mm F/2.8 Di III-A VC RXD (Model B070), a fast-aperture standard zoom lens, compatible with Nikon Z mount and CANON RF mount APS-C mirrorless cameras. The lens will be available in both mounts on July 2 at a retail price of $749 USD / $949 CAD.
The 17-70mm F/2.8 Di III-A VC RXD (Model B070) is a fast aperture standard zoom lens for APS-C mirrorless cameras. It's engineered to deliver both a broad zoom range and excellent image quality. With a focal length range of 17-70mm2, it achieves a 4.1x zoom ratio, class-leading for an APS-C standard zoom lens, while maintaining a fast, constant maximum aperture of F2.8.
The 17-70mm F2.8 VC includes VC (Vibration Compensation)3, and a fast, quiet AF system. With focus breathing and AF noise effectively suppressed, the 17-70mm F2.8 VC is optimized for both stills and video shooting. Despite offering a class-leading zoom ratio and VC, the 17-70mm F2.8 VC remains notably lightweight and compact. This makes the 17-70mm F2.8 VC an outstanding choice for daily use, as well as for travel where minimizing weight is essential. Excelling in close-up work, the 17-70mm F2.8 VC achieves an MOD (Minimum Object Distance) of just 0.19m (7.5”) at the wide end. Capture unique, expressive images in a variety of everyday scenes, including street photography and portraits. Functionality and versatility are enhanced by features such as Moisture-Resistant Construction and Fluorine Coating. In your everyday life and on your trips to distant places, the 17-70mm F2.8 VC captures all the excitement and discoveries with the finest possible detail.
Product Features
- Versatile 17-70mm Focal Length: Excellent in Every Shooting Scenario
- Constant F2.8 Aperture: Beautiful Bokeh and Exquisite Detail
- Built-In VC: Achieves Stable Shooting for Stills and Video
- High Performance AF: Fast, Quiet, and Ready to Capture Decisive Moments
- Suppressed Focus Breathing: For Natural, Seamless Video Expression
- MOD of 0.19m (7.5”) for Amazing Close-Ups
- Lightweight and Compact Design for Superior Mobility
- AF/MF Switch and VC ON/OFF Switch for CANON RF Mount
- Firmware Updates via TAMRON Lens UtilityTM for Nikon Z and CANON RF Mounts
- Unified 67mm Filter Size
- Protective Features (Moisture-Resistant Construction and Fluorine Coating)
1 Among the fast-aperture F2.8 standard zoom lenses for APS-C mirrorless cameras (As of May 2026 – TAMRON)
2 The full-frame equivalent of 25.5-105mm for Nikon Z mount and 27.2-112mm for CANON RF mount
3 With the 17-70mm F2.8 VC for CANON RF and Nikon Z mounts, the autofocus may become less responsive when tracking subjects during zooming in video shooting.
English (US) ·