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
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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