Class-Leading* 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 Co., Ltd. (President & CEO: Shogo Sakuraba; Headquarters: Saitama City, Japan; “TAMRON”), a leading manufacturer of optics for diverse applications, 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.

PRODUCT NAME	DATE OF LAUNCH
17-70mm F/2.8 Di III-A VC RXD (Model B070) For Nikon Z mount, CANON RF mount	July 2, 2026

* Among the fast-aperture F2.8 standard zoom lenses for APS-C mirrorless cameras (As of May 2026 – TAMRON)

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 17-70mm,1 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), and a fast, quiet AF2 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 (7.5in) 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

1. Versatile 17-70mm Focal Length — Excellent in Every Shooting Scenario
2. Constant F2.8 Aperture — Beautiful Bokeh and Exquisite Detail
3. Built-In VC — Achieves Stable Shooting for Stills and Video
4. High Performance AF — Fast, Quiet, and Ready to Capture Decisive Moments
5. Suppressed Focus Breathing — For Natural, Seamless Video Expression
6. MOD of 0.19m (7.5in) for Amazing Close-Ups
7. Lightweight and Compact Design for Superior Mobility
8. AF/MF Switch and VC ON/OFF Switch for CANON RF Mount
9. Firmware Updates via TAMRON Lens Utility^TM for Nikon Z and CANON RF Mounts
10. Unified 67mm Filter Size
11. Protective Features (Moisture-Resistant Construction and Fluorine Coating)

Note
1 The full-frame equivalent of 25.5-105mm for Nikon Z mount and 27.2-112mm for CANON RF mount
2 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.

Specifications

Model	B070
Focal Length	17-70mm < a full-frame equivalent > 25.5-105mm for Nikon Z mount 27.2-112mm for CANON RF mount
Maximum Aperture	F2.8
Angle of View (diagonal)	80°37'-23°17' (for Nikon APS-C mirrorless format) 77°0'- 21°52' (for CANON APS-C mirrorless format)
Optical Construction	16 elements in 12 groups
Minimum Object Distance	0.19m / 7.5in (WIDE), 0.39m / 15.4in (TELE)
Maximum Magnification Ratio	1:4.8 (WIDE) / 1:5.2 (TELE)
VC (Vibration Compensation)	Yes
Filter Size	φ67mm
Maximum Diameter	φ74.6mm
Length*	121.3mm (4.8in) for Nikon Z mount 117.3mm (4.6in) for CANON RF mount
Weight	Weight : 540g (19oz) for Nikon Z mount 530g (18.7oz) for CANON RF mount
Aperture Blades**	9 (circular diaphragm)
Minimum Aperture	F22
Standard Accessories	Flower-shaped hood, Front cap, Rear cap
Mount	Nikon Z mount, CANON RF mount

* Length is the distance from the front end of the lens to the lens mount face.
** The circular diaphragm stays almost perfectly circular up to two stops down from maximum aperture.
Specifications, appearance, functionality, etc. are subject to change without prior notice.

This product is developed, manufactured, and sold under the license agreement with Nikon Corporation.
This product is developed, manufactured, and sold under license from Canon Inc.