Tamron 17-70mm F/2.8 Di III-A VC RXDvsTamron 28-75mm F/2.8 Di III VXD G2
17-70mm F/2.8 Di III-A VC RXD
17-70mm / F2.8
26-105mm equiv.
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28-75mm F/2.8 Di III VXD G2
28-75mm / F2.8
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Which to choose
When the 17-70mm F/2.8 Di III-A VC RXD suits you better
- Zoom rangeCovers 17-70mm in a single lens
- StabilizationHas stabilization
When the 28-75mm F/2.8 Di III VXD G2 suits you better
No standout advantage in this comparison.
These points are derived mechanically from the numbers. How a lens actually renders does not show up in specifications, so look at samples before deciding.
Size compared
- 17-70mm F/2.8 Di III-A VC RXD121.3mm long × 74.6mm diameter
- 28-75mm F/2.8 Di III VXD G2119.8mm long × 75.8mm diameter
Specifications compared
| Specification | Tamron 17-70mm F/2.8 Di III-A VC RXD | Tamron 28-75mm F/2.8 Di III VXD G2 | Difference |
|---|---|---|---|
| Focal length (wide) | 17mm | 28mm | −11mm |
| Focal length (tele) | 70mm | 75mm | −5mm |
| Max aperture (wide) | F2.8 | F2.8 | — |
| Max aperture (tele) | F2.8 | F2.8 | — |
| Min focus distance | 19cm | 18cm | +0.01m |
| Weight | 540g | 550g | −10g |
| Length | 121.3mm | 119.8mm | +1.5mm |
| Diameter | 74.6mm | 75.8mm | −1.2mm |
| Filter size | 67mm | 67mm | — |
| Released | 2026 | 2024 | +2year |
| Stabilization | Yes | No | Yes |
| Weather sealing | Yes | Yes | — |
| Macro | No | No | — |
| Autofocus | Yes | Yes | — |
The difference column reads as 17-70mm F/2.8 Di III-A VC RXD relative to 28-75mm F/2.8 Di III VXD G2.The highlighted cell is the better side for that specification.
Check prices
17-70mm F/2.8 Di III-A VC RXD
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28-75mm F/2.8 Di III VXD G2
ADLinks to Amazon, B&H Photo, Adorama, KEH Camera, MPB, eBay are affiliate links. We may earn a commission if you buy through them, at no extra cost to you.Links marked “Search results” go to that retailer’s search page for this lens name.Check price and availability on the retailer’s own site.
17-70mm F/2.8 Di III-A VC RXD in detail28-75mm F/2.8 Di III VXD G2 in detailAll Z mount lenses