Tamron 28-75mm F/2.8 Di III VXD G2 (A063) vs Tamron 17-70mm F/2.8 Di III-A VC RXD (B070)
Both are Nikon Z mount zooms for standard prime and everyday — here's how the specs differ and which to pick. Every spec is from the manufacturer's own catalog.
| Spec | Tamron 28-75mm F/2.8 Di III VXD G2 (A063) | Tamron 17-70mm F/2.8 Di III-A VC RXD (B070) |
|---|---|---|
| Focal length | 28-75mm | 17-70mm |
| Max aperture | f/2.8 | f/2.8 |
| Type | zoom | zoom |
| Coverage | full-frame | APS-C |
| Mount | Nikon Z | Nikon Z |
Which should you buy?
- the Tamron 28-75mm F/2.8 Di III VXD G2 (A063) covers 28-75mm and the Tamron 17-70mm F/2.8 Di III-A VC RXD (B070) covers 17-70mm — pick the range that matches what you shoot
- the Tamron 28-75mm F/2.8 Di III VXD G2 (A063) covers full-frame (also works on APS-C bodies); the Tamron 17-70mm F/2.8 Di III-A VC RXD (B070) is APS-C-only — it won't fill a full-frame sensor
Where to buy
Tamron 28-75mm F/2.8 Di III VXD G2 (A063)See price on Amazon
Tamron 17-70mm F/2.8 Di III-A VC RXD (B070)See price on Amazon
FAQ
What's the difference between the Tamron 28-75mm F/2.8 Di III VXD G2 (A063) and the Tamron 17-70mm F/2.8 Di III-A VC RXD (B070)?
The Tamron 28-75mm F/2.8 Di III VXD G2 (A063) is 28-75mm f/2.8 zoom, full-frame; the Tamron 17-70mm F/2.8 Di III-A VC RXD (B070) is 17-70mm f/2.8 zoom, APS-C. Both fit the Nikon Z mount.
Do the Tamron 28-75mm F/2.8 Di III VXD G2 (A063) and Tamron 17-70mm F/2.8 Di III-A VC RXD (B070) fit the same camera?
Yes — both are Nikon Z mount lenses, so they fit Nikon Z series (Z6/Z7/Z8/Z9 full-frame, Z50/Zfc APS-C). Note the Tamron 17-70mm F/2.8 Di III-A VC RXD (B070) is APS-C-only and won't fill a full-frame sensor.
More Nikon Z comparisons: Nikon NIKKOR Z 50mm f/1.8 S vs Nikon NIKKOR Z 85mm f/1.8 S · Nikon NIKKOR Z 40mm f/2 vs Nikon NIKKOR Z 50mm f/1.8 S · Tamron 50-400mm F/4.5-6.3 Di III VC VXD (A067) vs Tamron 70-300mm F/4.5-6.3 Di III RXD (A047) · Viltrox MF 20mm f/1.8 vs Yongnuo YN 11mm f/1.8Z DA DSM WL · all Nikon Z lenses · all comparisons