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Tamron 17-70mm F2.8 Di III-A VC RXD
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Tamron · 17-70 mm · f/2.8 · Nikon Z mount

Tamron 17-70mm F2.8 Di III-A VC RXD

From $789 — 1 offer
Mount
KEY FACTS
BrandTamron
Announcement dateJun 2026
Released2026
Production started2026
Production statusIn Production
What We Like
+Class-leading 4.1x zoom ratio maintains constant f/2.8 aperture throughout entire range for consistent exposure and low-light capability
+Effective built-in VC image stabilization (approximately 5 stops) especially valuable on APS-C crop cameras that often lack in-body stabilization
+Fast, quiet RXD autofocus with minimal focus breathing makes it excellent for both stills and video work
+Compact, lightweight design (540g for Nikon Z version) with excellent close focus capability (0.19m at 17mm) ideal for travel and everyday use
+Versatile 25.5-105mm equivalent focal length range covers wide-angle through short telephoto without lens changes
+Weather-resistant construction with fluorine-coated front element provides durability for outdoor shooting
Worth Knowing
−AF tracking responsiveness may decrease during zooming in video mode on Nikon Z mount version (documented limitation)
−Some distortion at extreme focal lengths, though automatically corrected in JPEGs and RAW converters
−Longitudinal chromatic aberration present, particularly noticeable as cyan/magenta fringing beyond the plane of focus
−No physical AF/MF or VC ON/OFF switches on Nikon Z version (only available on Canon RF mount)

General

Brand
Tamron
Announcement date
ⓘ
Refers to the date the manufacturer publicly announced the upcoming release and general specs of this camera.
Jun 2026
Released
ⓘ
Refers to the year this camera was officially made available for sale.
2026
Production started
2026
Production status
ⓘ
Current status of lens manufacturing (e.g., in production, discontinued).
In Production
Read our notes on general
The Tamron 17-70mm f/2.8 Di III-A VC RXD is an outstanding all-in-one travel and everyday lens for Nikon Z APS-C cameras, delivering a class-leading 4.1x zoom ratio while maintaining a constant fast f/2.8 aperture throughout. Its built-in VC stabilization, quiet RXD autofocus, and compact 540g design make it particularly valuable for shooters on crop-sensor bodies lacking in-body stabilization, while the 25.5-105mm equivalent range and superior optics combine practicality with professional results.

Optics

Focal Length (35mm equivalent)
25.5-105mm
Minimum Aperture
f/22
Zoom Ratio
4.1x
Lens Construction
16 elements in 12 groups
Min focal length
17 mm
Max focal length
70 mm
Focal range
ⓘ
Shortest to longest focal length of the lens (zoom range start - end )
17-70 mm
Zoom lens
ⓘ
Zoom allows you to vary the focal length, change between long shots and close-ups
Yes
Max aperture wide
2.8
Max aperture zoom
2.8
Blades
ⓘ
Number of diaphragm blades in aperture
9020
Autofocus mode
Yes

Autofocus

AF Motor
RXD (Rapid eXtra-silent stepping Drive)
AF Type
Stepping motor with internal focus
Manual Focus
Full-time manual focus override (by-wire)

Image stabilization

System
VC (Vibration Compensation)
Effectiveness
Approximately 5 stops
Video Optimization
AI-assisted for video shooting

Close focus

Minimum Focus Distance (wide)
0.19m (7.5 inches)
Minimum Focus Distance (telephoto)
0.39m (15.4 inches)
Maximum Magnification
1:4.8

Build

Weight (Nikon Z version)
540g (19 oz)
Construction
Moisture-resistant
Coatings
Fluorine-coated front element, BBAR-G2 anti-reflection coating

Video features

Focus Breathing
Suppressed
Constant Aperture
Yes (f/2.8 throughout zoom range)
AF During Zoom
Note: May be less responsive during video zoom (Nikon Z caveat)
Firmware Updates
USB-C port with TAMRON Lens Utility application

Included accessories

Lens Hood
HA036
Caps
Front and rear lens caps

Physical

Lens mount
ⓘ
The lens mount will tell you what type of lens range you can fit onto the camera body. Often the same camera company will have different lens ranges for different cameras.
Nikon Z
Front filter size
ⓘ
Diameter of attachable filters.
67 mm
Lens length
ⓘ
How long the lens is from front to back.
119.3 mm
Lens diameter
ⓘ
Width of the lens at its widest point
74.6 mm